Thursday, July 25, 2019
Sanpshot for PR class Assignment Example | Topics and Well Written Essays - 500 words
Sanpshot for PR class - Assignment Example The campaign aims at encouraging them to seek appropriate support and care for psychological health concerns. Print materials including brochures and advertisement cards were used for informing veterans, service members and their families on the presence of help for psychological and other support measures (Ruolo, 2013). Real warriors collaborated with organizations and individuals to aid in spreading the resources and information on the help available to the affected as well as the avenues through which they can be able to access this treatment including Deployment Health Clinical Center, National Center for Telehealth and Technology, and Defense and Veterans Brain Injury Center. Mobile websites and an interactive website were the other strategies used to ensure access to campaign materials to the supporters of the campaign and ensuring the resources, videos, social media, live chat, and other outreach areas provided for the affected members of the community Social media were used in the Real warriorââ¬â¢s campaign through reaching out to military personnel and their families with information on psychological help and support as well as requesting other members to join the course The Real warriorââ¬â¢s campaign has been successful in meeting the needs of the audience to which the campaign was directed and has been able to achieve augmented numbers of veterans, family, and service men receiving treatment and rehabilitation. In my opinion, the campaign is well handled and received with an emphasis on the messages tailored for the veterans, service members, and their families. The messages of the campaign and objectives are well stated, and testimonial videos from military personnel and veterans suffering from mental illnesses are very compelling (Acosta et al., 2012). The campaign is creative and uses innovative measures coupled with technologically advanced
Wednesday, July 24, 2019
Analysis of miami's real estate market Research Paper
Analysis of miami's real estate market - Research Paper Example The price per square foot has also increased for example in 2013 the price stood at $180 but this has increased with 13.9% in 2014. The table below indicates the average process for houses in the last 5 years. During the month of May 2014, the median prices indicated an increment both for condominiums as well as single family homes. According to MIAMI Association of REALTORS, in 2013 the median sale price for single family homes was standing at 225,000. As more local people increased their demand for comfortable and quality houses, the sellers raised the prices in order to maximize their profits at the expense of the buyers. The prices for similar single family homes in 2014 increased by 8% getting to the level of 243,000 (Jonathan and Miller 16). Another notable change in the market can be indicated by the upward adjustment in sale prices in the months of April 2014 and May 2014. For instance, during the month of April 2014, the average price for single family homes was 421,207. Based on an increase in demand during the month of May 2014, the average price increased by 11.3% to reach 469,088. Currently, Miami real estate continues to experience a fast rate of selling while at the same ti me indicating asking prices. This is an indication that the real estate are being at an appropriate methods. On their part, the buyers have embarked on remaining competitive in the current market situation. When analyzed at the national and state levels, the same trends in the local Miami real estate market are noted. According to MIAMI Association of REALTORS, the sales for condominiums, single family homes, co-ops and town homes depicted an increment of 1.3% by comparing the months of May 2014 and March 2014. Similarly, the REALTORS data indicates that as the result of high demand nationally for all houses types, the existing home prices for all types was estimated to be 201,700 in the month of April 2014
How import and export restraints governing foreign trade can affect a Essay
How import and export restraints governing foreign trade can affect a country positively and negatively - Essay Example This research will begin with the issue of export restraints. The exports of a country represent the goods and services that are produced locally to then be sold and shipped to customer in other countries. In 2006 the world top exporter was Germany with $1,133,000,000,000 in outgoing trade. In order to achieve high export total countries need to have open and flexible economic system with excellent manufacturing and production capabilities. In new knowledge economy the ability to transfer information at rapid speeds has allowed the proliferation of service exports. The governmental policies of a country can provide exports restrains that may negatively or positively affect an economic system. For example in a country with restrictive environmental laws many industries such as the chemical industry may not be able to establish operation, thus the country will be a poor exporter of these types of goods. A closed economic system can be a major restraint for exporting activities. In Chin a before the reforms of 1979 which began a path towards economic recovery Chinaââ¬â¢s export were low and could not compete in the international marketplace. The country changed its economic policies that created a semi-open system. The changes which culminated with creation of open economy after China gain entrance into the World Trade Organization in December of 2001 have allowed China to have three consecutive decades of 10% annual economic growth. A country culture and beliefs system can become a restraint for export activity.
Tuesday, July 23, 2019
Law Assignment Example | Topics and Well Written Essays - 1750 words
Law - Assignment Example Answer: the Florida State Court would have jurisdiction over the civil case if the complaint filed was for tort and the amount of damage is $5,001/$15,000 and the parties have sufficient contact with the state of Florida. a.) Answer: The Court acquires personal jurisdiction over the plaintiff through the pleadings filed such as complaint and serve the defendants the summons and copy of the complaint. The court has jurisdiction over the person of the plaintiffs since they are residents of the state and they have connection to the geographic area on which the court sits. b.) Answer: State Court acquires jurisdiction over the defendant by serving him the summons and complaint. Ureta 2 c.) Answer: The court acquires personal jurisdiction over Crete Carrier Corp., the Lincoln, Neb., trucking company by serving it the summons and copy of the complaint and by the application of the long arm statute. 5. Answer: The principal, which is the Crete Carrier Corp., the Lincoln, Neb., is primarily liable because under the agency law, the principal is liable for all the acts of the agent which are within the authority usually confided to an agent of that character, notwithstanding limitations, as between the principal and the agent, put upon that authority. The driver was acting within the authority confided to him by the principal when the accident happened. 6. Answer: As an independent contractor, the driver of the truck is primarily liable because the employer has no control how the work is done provided the result was delivered to him. 7. Answer. a. the plaintiffs can collect the entire judgment from either defendant 8. Answer: Punitive damages are in order in this case for this is a tort case of a highhanded nature. 9. Answer: a. The plaintiffs would divide the punitive damages among themselves. 10. a. yes Explanation: In cases of accident, the defendant may be sued criminally and civilly. In the tort case, the defendant is liable for damages while in criminal case, he is liable for the deaths of the 7 children. b. Answer: No Explanation: The trucking company, which is a corporation may only be civilly sued by the plaintiffs in order to recover damages. A corporation cannot be held criminally responsible for any tortuous act of its employeeââ¬â¢s for it cannot be put to jail. Ureta 3 PART B Section 1. Article Identification: Title of the Article: State investigates Slope accident that crushed worker (PINNED: Alaska West Express worker, Fay, suffers crushed chest) Name of Publication: Anchorage Daily News retrieved from http://www.adn.com/2009/11/02/997243/state-investigates-slope-accident.html Date of Publication: November 2, 2009 Article Summary Just before midnight of October 27, 2009, a worker of Arctic Slope Regional, Inc., named John Fay was pinned between a tractor truck and a semi-trailer. An employee of Alaska West Express Inc. a trucking subsidiary of the Anchorage-based Lynden Inc drove the truck. Arctic Slope confirmed that Fay who rem ained in critical care at Providence Alaska Medical Center works for the company. Preliminary information gathered was that the truck either backed into John Fay or ran him over. It operates divisions in petroleum refining and marketing, government technical services, energy services and construction. It was not immediately clear what division of the company Fay worked for but Steve Standley, chief of enforcement at Alaska Occupational Safety and Health, said preliminary reports are that he was a laborer. Section 2: Information About the Type of Case State
Monday, July 22, 2019
Learning and Memory.An introduction to theories of learning Essay Example for Free
Learning and Memory.An introduction to theories of learning Essay Learning and Memory Introduction à à à à à à à à à à à Cleaning the room is the target behaviour in Bobbyââ¬â¢s case. Mr. Kelly tries to keep on reminding his eight year old child to clean his room but it is always in vain. Since Mr. Kelly needs help in increasing the frequency of his child cleaning his room it could be assumed that bobby is trained and knows how to clean his room. The possible reason as to why he keeps on refraining from this task is however unclear. à à à à à à à à à à à Operant conditioning is a method of learning that incorporates acquisition of behaviour and facing the consequences of the behaviour. In this type of learning rewards are given to the learner either to encourage or discourage future repetition of the same behaviour (Olson Hergenhahn, 2013). Operant conditioning can be used to encourage Bobby in cleaning up his room. Through the various components of operant conditioning Mr. Kelly can apply to encourage Bobby clean his room. Operant conditioning has two major concepts, reinforcement and punishment, which could be used in different ways to encourage bobby to clean his room. à à à à à à à à à à à Reinforcement involves using reward that would otherwise increase the chances of bobby cleaning his room more often. Mr. Kelly could use various rewards such as giving bobby time to watch T.V, buying little gifts that are issued each time bobby cleans his room. Such motivating factors will encourage bobby to clean up his room. Reinforcement is of two types, positive and negative reinforcement, both ways can be capitalised in changing the behaviour of bobby. In positive reinforcement for instance Mr. Kelly needs to look for items such as toys or bars of chocolate, preferably Mr. Kelly could choose some of the items bobby loves most and use them to reward bobby after cleaning the room. à à à à à à à à à à à Continuous use of negative reinforcement over a long period of time would lead to Bobby developing an attitude towards cleaning his room. Thus positive reinforcement could be applied. For reinforcement to be effective both method should be used concurrently. Fixed ratio schedule and variable ratio schedules can be used to implement and encourage bobby to always clean the room. Fixed ratio schedule will always reward bobby after a number of times he has cleaned the room. This method will give immediate positive responses from bobby but would be consuming for Mr. Kelly. Variable ratio schedule would award bobby after irregular intervals of response from him. This can be very effective to reinforce Bobby to clean the room because the reinforcement can come all through the first week and make the reluctance of cleaning the house an extinct behaviour. à à à à à à à à à à à I will apply the operant conditioning to account for Jackieââ¬â¢s development of the behaviour of phobia towards dogs. This is because the operant conditioning shows or explains why the organisms will acquire learned behaviour that they exhibit. The vital focus of operant conditioning is by use of reinforcements as punishments or reward so as to increase or decrease the likelihood of occurrence or repetition of certain behaviour (Staddon Cerutti, 2003). In the case of Jackie, she received a negative reinforcement from the dog bite and hence the phobia towards dogs development. Also the stitches and the time that she spent on medication made her develop the negative attitude towards dogs. This is because, in operant conditioning, it is clear that continued use of negative reinforcement will lead to the victim developing an attitude towards that object or behaviour. à à à à à à à à à à à Some of the behaviour modification that could be designed to help Jackie to overturn the phobia that she has with dogs could be: Jackie could first of all spend time with her spouse with a company the trained dogs. This will help Jackie to see that dogs were not wild and they always do not bite any time you had an encounter with them. This will somehow help her reverse the phobia she had towards dogs and also help her see the positive side of the dogs. She should also be allowed to spend time with the trained dogs with the dogs being guided by the trainer to remain lively, obedient and helpful to Jackie. This will act as a positive reinforcement towards Jackieââ¬â¢s behaviour. She will slowly by slowly start liking dogs and hence they will have a happy life with her partner thereafter. à à à à à à à à à à à There are two main principles of operant conditioning that are evident in the case of Emma. First by the parents trying to offer Emma some kind of reward, they are trying to positively reinforce the behaviour of cleaning her room and toys through the principle of positive reinforcement. Also through putting her out, they are applying the principle of positive punishment by trying to add something bad so that she cannot repeat the same mistake. à à à à à à à à à à à Operant conditioning theory could be applied in this case to correct Emmaââ¬â¢s behaviour through application of the four main principles of operant conditioning. The parents could apply the principle of negative punishment which is to take something good away so as to decrease certain behaviour. Through application of this principle, they could cut away buying of toys to Emma so that she could be reinforced to clean the room. Also through negative reinforcement principle, which is taking something bad so as to reinforce behaviour could be applied by Emmaââ¬â¢s parents. They could stop putting her in time any time that she cleans her room so that she can be reinforced to always clean her room and toys. à à à à à à à à à à à Extinction of behaviour in operant conditioning theory can be defined as the disappearance of previously learned behaviour if the behaviour is not reinforced (Hunt et al, 2008). As we have earlier said, reinforcement is the necessity for learning and in which certain behaviour grows. It is either a means to encourage or discourage certain behaviour (Olson Hergenhahn, 2013). For instance, the Emma is conditioned to the behaviour that when she screams hard and through the toys away, her parents will collect them and clean them up for her. If the parents stopped this behaviour, Emma could not adopt this behaviour because it will lack reinforcement and slowly it will cease and become extinct. References Hunt, Elgin F. and Colander, David C. (2008). Social Science, An Introduction to the Study of Society. Olson, M. H. Hergenhahn, B. R. (2013). An introduction to theories of learning (9th ed.). Upper Saddle; River, NJ: Pearson. Staddon, J. E. R., Cerutti, D. T. (2003). Operant conditioning. Annual Review of Psychology, 54, 115-44. Source document
Sunday, July 21, 2019
Gravitational force: An overview
Gravitational force: An overview 1.0 Introduction 1.1 What is gravitational force? Gravitational force is defined as a force of attraction which exerts between two objects with mass. It pulls two objects that have mass. (Gravitation and Gravity n.d.). 1.2 Background Information 1.2.1 The discovery of gravitational force One day, Newton was sitting on his garden and observing the falling of an apple from a tree. A sudden inspiration appeared in his mind. There must be a force exerted on the apple since the apple accelerated while falling down from the tree with zero initial velocity. The force is then called ââ¬Å"gravityâ⬠and the acceleration due to the force is called ââ¬Å"acceleration due to gravityâ⬠(Sir Isaac Newton: The Universal Law of Gravitation n.d.). 1.2.2 Effects of gravitation on planets If the force of gravity exerts at the top of the trees and mountains, then it must exerts all the way to the orbit of the moon. It is expected that the orbit of the moon around the earth results from the gravitational force as the acceleration due to the gravity can change the velocity of the moon in such a way it followed an orbit around the earth (Sir Isaac Newton: The Universal Law of Gravitation n.d.). 2.0 The Universal Law of Gravitation 2.1 Keplers law of gravitation Keplers Third Law states that the ratio of the cubes of their mean distances from the Sun is same as the squares of the periods of any two planets orbit about the Sun. P represents the time taken for one revolution about the Sun and R represents the distance between the planet and the Sun. The equation indicates that the period for the planet to orbit the Sun is proportional to the radius of its orbit. (Johannes Kepler: The Law of Planetary Motion n.d.). However, the accurate measurements on the orbits of the planets showed that they do not precisely follow Keplers laws. The validity of the Keplers law is corrected by Newton. The mass of the Sun is extremely greater than any other planet. Thus, the force of attraction between planets will be small compared to the force due to the Sun (Sir Isaac Newton: The Universal Law of gravitation n.d.). 2.2 The law of universal gravitation Law of universal gravitation states that every particle in the universe attracts each another with a force that is proportional to the product of their masses and inversely proportional to the distance apart squared. This force exerts along the line of centers joining the two particles. The magnitude of the gravitational force can be calculated using the formula: Fg = GMm Fg is the magnitude of the gravitational force rà ² G is universal gravitational constant M and m are the masses of the two particles. r is the distance between the two particles. The universal gravitational force is also named universal constant as it is expected to be constant at any times and places. Therefore, it is universally characterized the intrinsic strength of gravitational force (Sir Isaac Newton: The Universal Law of gravitation n.d.). The gravitational constant is very small since we are unaware of the existence of the force of attraction between objects. The accepted value is G = 6.67 x 10-11 Nmà ²/kg2. Based on the equation, the greater the distance between two masses, the smaller the gravitational force (Universal gravitation and weight n.d). 3.0 Gravitational fields Gravitational field is defined as the gravitational force felt by a discrete particle in a particular area (Fowler 2006). 3.1 Field strength Gravitational field strength is defined as force, N per unit mass, kg. The definition of gravitational field strength is derived from the Newtons second law, à £F=ma. By making acceleration, a, as a subject and then substitute acceleration, a with gravitational field strength, g, and we would obtain a formula, g = F/m. F represents the gravitational force, N whereby m represents the mass of an object, kg. Gravitational field strength close to the earths surface is the same as the gravitational acceleration, 9.8Nkg-1. When the force is not given, gravitational field strength can be calculated by using the formula, g = GM/rà ². This formula can be obtained by the substitution of the two equation, F = mg and F = GMm/rà ². Hence, resulted in the formation of the equation, g = GM/rà ². The greater the value of g, the greater the gravitational field strength (Universal Gravitation and Weight n.d.). 3.2 Principle of superposition In terms of gravitation, principle of superposition refers to the total force of an object. Total force is the addition of all the vectors due to the gravitational fields of force acting on the object (Fowler, 2006). Superposition refers to the masses which interact with each other. To find the total force, we have to find the gravitational force for each mass by using the formula, Fg = GMm/rà ². Finally, add up all the forces by using vector addition method (Forces and Fields n.d.). 4.0 Future of Gravitation Einstein theorized that gravity can be explained by the curvature of space time.à Space time is warped by the mass and energy inside of it but not flat. Objects travel in straight line do not hold by mysterious force but follow the curves in space time. The objects move in straight lines along four-dimensional space time but move in elliptical circles in three-dimensional space. Light appears to travel in straight lines although it is actually bent, curved and changed by the fabric of space time. Although it looks like straight out in front of us, it is actually around the corner of the sun because the space time warp morphs the light. We see only the result of the light that is being bent around the sun. This can not be tested since the sun is shining us right in the eyes and we cannot see the stars.à However, it is possible to test out this theory during a total solar eclipse. We are constantly orbiting the sun so we are able to observe the changes of the movement of the star i n orbit (Space Time: The Fabric of the Universe n.d.). 5.0 Conclusion In conclusion, based on the acceptable Newtons gravitational law of gravitation, gravitation is a mutual force. Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Therefore, gravitational force is depends on the masses of the bodies and the distance between the two bodies. Reference List Forces and Fields n.d., viewed 29 July 2009, http://electron9.phys.utk.edu/phys136d/modules/m4/efield.htm Fowler, M 2006, Gravitational Field, viewed 29 July 2009, http://galileo.phys.virginia.edu/classes/152.mf1i.spring02/GravField.htm Gravitation and Gravity n.d., viewed 29 July 2009, http://alex.edfac.usyd.edu.au/Methods/Science/studentwork/MassoftheEarth/gravitationandgravity.htm Johannes Kepler: The Laws of Planetary Motion n.d., viewed 29 July 2009, http://csep10.phys.utk.edu/astr161/lect/history/kepler.html Newtons Law of Gravitation n.d., viewed 29 July 2009, http://theory.uwinnipeg.ca/physics/circ/node7.html Sir Isaac Newton: The Universal Law of Gravitation n.d., viewed 6 June 2009, http://csep10.phys.utk.edu/astr161/lect/history/newtongrav.html Space Time: The Fabric of the Universe n.d., viewed 29 July 2009, http://www.astronomy.pomona.edu/Projects/moderncosmo/alexs%20page%201.html Universal Gravitation and Weight n.d., viewed 29 July 2009, http://dev.physicslab.org/Document.aspx?doctype=3filename=UniversalGravitation_UniversalGravitationWeight.xml Intellectual Disability: Causes and Conditions Intellectual Disability: Causes and Conditions Assessment Demonstrate knowledge of causes and associated conditions related to intellectual disability Outcome 1: Define Intellectual Disability Task 1 1.1 Give 2 definitions of intellectual disability in accordance with a recognised source. Follow prescribed APA format when citing sources. Definition 1: Intellectual disability is a disability characterized by significant limitations in both intellectual functioning and in adaptive behaviour which covers many everyday social and practical skills. This disability originates before the age of 18. Source: World Health Organization. Definition 2: Intellectual disability means a significantly reduced ability to understand new or complex information and to learn and apply new skills (impaired intelligence). Source: World Health Organization. 1.2 Using a definition of intellectual disability give 2 explanations of how this impacts on the persons adaptive skills: The person finds it hard to understand and follow social rules and customs and obeying laws. The person finds it difficult to perform the daily activities which include feeding, bathing, dressing, occupational skills, and navigational skills. Using a definition of intellectual disability give 2 explanations of how this impacts on the persons cognitive ability. A person is not able to think, reason, and solve problems or make decision like what to say while answering the telephone or talking to another person. A person is not able to concentrate, learn new things and does not have the ability to talk or write, resulting in the inability to live independently. Reference: FAQ on Intellectual Disability, American Association on Intellectual and Developmental Disabilities. Outcome 2: Describe the outcomes of intellectual Disability Task 2 2.1 Give 2 examples of causes of intellectual disability that occur before birth and describe two [2] main characteristics of the effects. Example1: Fragile x Syndrome. Source: Bray, Anne, Definitions of intellectual disability, [Donald Beasley Institute, 2003] Main characteristics: If the mother does not follow a low phenylalanine diet before birth then the infants will have a low birth weight and grow more slowly than other children. The child will have heart defects or other heart problems, like abnormal small head size and behavioural problems. Example 2: Downs Syndrome Source: Bray, Anne, Definitions of intellectual disability, [Donald Beasley Institute, 2003] Main characteristics: It is caused by a random error in cell division and results in abnormality in physical characteristics like small chin, round face and almond eyes. The baby will have shorter limbs, protruding or oversized tongue and also have obesity problems. 2.2 Give 2 examples of causes of intellectual disability that occur during or immediately following birth and describe 2 main characteristics of the effects. Example 1: Premature Birth. Source: World Health Organisation, International Classification of Disability, and Health. Main characteristics: It happens when mothers smoke cigarettes, drink alcohol or use illicit drugs which results in unresponsive reflexes and problem in breathing. If the mother suffers from stressful life events, such as death of a loved one or domestic violence which results in slow heart rate or difficult feeding. 2.3 Give 2 examples of causes of intellectual disability that occur during childhood years and describe the impact on the day to day support needs of the person. Example 1: Malnutrition Source: Diagnostic and Statistical Manual of Mental Disorders. Impact: The person will have problems in doing his daily activities like going to school or understand what is happening around him or eating his food at the time and taking his medication. He wonââ¬â¢t be able to concentrate in class and will often feel depressed. He will need words of encouragement from his teachers and parents. His daily activities should be monitored and ensure to keep health appointments with the physio, social worker and therapists. Example 2: Brain injuries. Source: Diagnostic and Statistical Manual of Mental Disorders. Impact: The person will have difficulty with memory tasks like math facts or spelling words. He may not be confident in school will be easily frustrated. He may seem to remember information one day and forget it the next. He will need support in bathing, grooming, and needs reminding of personal hygiene like washing his hands after using the toilet and brushing his teeth. Help from support groups and agencies are also necessary. Outcome 3: Describe conditions frequently associated with intellectual disability. Task 3 Condition 1: Foetal Alcohol syndrome Causes: Mothers drinking during pregnancy leads to foetal alcohol syndrome. Miscarriage, stillbirth premature birth and small birth weight are all associated with it. When a pregnant women drinks alcohol, it easily passes across the placenta to the fetus which can harm the babyââ¬â¢s development. Main Characteristic 1: Children with FAS have distinct facial features including small and narrow eyes, a small head, a smooth area between the nose and the lips and a thin upper lip. Main characteristic 2: They also have hearing and ear problems. Their immune system are also weak due to FAS and they have issues with their height and weight. Description of the Support Needs of the person with the condition: Physical Support: The person needs to be reminded when to take his medicines or needs assistance in taking his medication. They will need assistance in crossing the road and also with daily activities like bathing, grooming and brushing their teeth or putting on their shoes. They will also need speech therapist so that they can interact with their peers. Social Support: The person will need communication and social skills training for interaction with friends, teachers and others. They will need supportive activities like group work to gain confidence and independence. Regular interaction with other children will boost their self-confidence. Cognitive Support: The person will need special education teacher to teach how to talk and what words he should use while talking to someone. He will need a speech therapist to learn how to pronounce a word or say a word clearly. Condition 2: Autism Causes: It is not certain what causes ASD, but itââ¬â¢s likely both genetics and environment play a role. Some studies suggest that people with ASD have abnormal levels of serotonin or other neurotransmitters in the brain. Main Characteristic: 1 People with Autism will have repetitive, obsessive, and unusual behaviour. They will have difficulty in communicating with others does not speak with anyone. They will have excessive lining up of toys or objects and they also have no response to name or social responsiveness. Main Characteristic: 2 They wonââ¬â¢t have eye contact while talking to another person and avoid bright lights, noises or physical contact. They wonââ¬â¢t be able to understand facial expressions or understand humour or pain, unable to establish friendships and may become isolated. Description of the Support Needs of the person with the condition: Physical Support: They will need an environment which is free from noise and avoid bright lights. They will need constant supervision while doing any work or playing outside. They will need relaxation and stress management like body massage or occupational therapy. Social Support: They will need assistance in learning society rules or social behaviour using logic. They will need advice like how to interact with people and make friends. They will need opportunities for relaxation like chilling out with family and friends. Opportunities for friendships are also important for these people. Cognitive support: The person will need one on one session between him and the therapist. He will need assistance in things like reading a book or solving a math problem. If there is a changes which is made then he should be informed in a manner that makes sense to the person. Reference: FAQ on Intellectual Disability, American Association on Intellectual and Developmental Disabilities. Condition 3: Epilepsy Causes: Epilepsy can be due to severe head injury, strokes, birth trauma, brain tumours, toxins, brain infection, brain diseases, genetic condition or drug abuse.In many cases the cause is unknown. Main Characteristic 1: The person affected will have recurring and spontaneous seizures .The person may be unconscious or completely unaware of what is happening. Main characteristic 2: Some people with epilepsy simply stare blankly for a few seconds during a seizure, while others repeatedly twist their arms or legs. Seizures may be partial affecting small part of the brain or generalised, affecting whole brain. Description of the Support Needs of the person with condition: Physical Support: Making sure that the environment is safe while walking around so that they wonââ¬â¢t get injured when seizure occurs. The environment should be hazard free. He should be monitored weather he is taking his medication at the right time or is he getting any side effects which needs to be reported to the right people. Social Support: He should be encouraged to attend school and work and needs to be reminded constantly that he should not be ashamed of his condition. He should be encouraged to maintain contact and communication with friends and co-workers. He should not be treated differently from other co-workers only because of his condition and he should be treated with respect. His dignity should be maintained during seizure episodes. Cognitive Support: He could be missing learning opportunities during seizure and might need extra teaching support. Keeping an appointment dairy will ensure that he is keeping up to date with his activities. Reference: Bray, Anne, Definitions of intellectual disability. [Donald Beasley Institute,à 2003]
Design of Hybrid Filter With Wavelet Denoising
Design of Hybrid Filter With Wavelet Denoising Simranjit Kaur DESIGN OF HYBRID FILTER WITH WAVELET DENOISING AND ANISOTROPIC DIFFUSION FILTER FOR IMAGE DESPECKLING 1. INTRODUCTION Digital images are images which are formed of picture elements also termed as pixels. The pixels typically are arranged in a rectangular array. The dimensions of the pixel array determine its size. Its width is defined by the number of columns, and height by the number of rows in that array. Digital images are susceptible to various types of noise.Speckleis a form of noise which exists in and decreases the quality of the activeà radarà andà synthetic aperture radarà (SAR) images. Image denoising is an essential task in image processing, both as a component in other processes and as a process itself. Various methods are there to denoise the image. A good image denoising model preserves edges, while removing noise. If the window size is quite large, then the over smoothing will occur and edges become blur out. If the size of window is small, then the smoothing property of the window decreases and doesnââ¬â¢t remove the speckle noise that efficiently. Secondly, in the traditional filters there is no enhancement of edges. Thirdly these existing filters are non directional. Finally, the thresholds which are used in the existing filters, although are inspired by statistical arguments, they are ad hoc improvements which only display the drawbacks of the window-based approach. So, inorder to alleviate this problem, hybrid filter with Wavelet denoising and anisotropic diffusion filter, has been proposed. In this model, we work on the drawbacks of the previous models such as oversmoothing of the images and unnecessaryremoval of the edges. 1.1 SCOPE OF STUDY The scope of work for this model is finding an accurate technique for the development of a hybrid despeckling model whose main purpose is to preserve the edges of the image and avoid oversmoothing during denoising. We have to study various previous techniques and on the basis of the study we will develop a model which overcomes the flaws of existing despeckling methods while improving the quality parameters in the end of filtering process. 2. OBJECTIVES To reduce the speckle noise. To improve the parameters like peak signal to noise ratio, equivalent no of looks and coefficient of correlation. Tocreate a better image processing algorithm To investigate the proper selection of wavelet filters and thresholding scheme which yields optimal visual enhancement of SAR images. Tocreate a better image processing algorithm for denoising technique. To design a hybrid filter from the two existing filters for removal of noise in uniform regions from the image. 3. BRIEF LITERATURE SURVEY Until now, several researches and case studies have been reported about wavelet denoising . Yuan Gao and Zhengyao Bai [2] proposed a speckle reduction method which is based on curvelet domain in SAR images. In this technique, curvelet transform is mapped with wavelet filtering. In the first step, multiplicative noise is converted in to additive noise. Second step is to compute the threshold, by using soft and hard thresholding curvelet coefficients are thresholded. Lastly, opposite CT and exponential transform are applied to reconstruct the original image. This shows that this method is better than other filtering techniques. S.Sudha et al. [3] proposed a tool for noise removal in ultrasound images. The comparison shows that the proposed technique provides better results than other existing techniques. Manish Goyal and Gianetan Singh Sekhon [4] applied wavelet based hybrid thresholding techniques: firstly applied the statistical technique and then filtering based on bayes threshold. Then results are calculated which is followed by applying soft thresholding. The experimental results show that this filter gives better results. Alka Vishwa, Shilpa Sharma [5] created a simple context-based model for the selection of threshold within a wavelet denoising model. Estimations of the local variance with appropriate weights are used for thresholding. Although, it is seen that the denoised image, during removal of a substantial amount of noise also suffers practically node gradation in the sharpness and details. The experimental result shows that this proposed method yields significantly improved visual quality and also better PSNR in comparison with the other techniques for the denoising. Rohit Verma,Jahid Ali [6] has discussed different types of noise that can creep in image during acquisition. In the second section various filtering techniques are presented that can be used for denoising the digital image. Experimental results found that the BM3D along with median filters gave better results and the averaging and minimum filters performed the worst. BM3D is best choice of removing Salt and pepper noise. In all other cases median filter is considered more suitable. K.Bala Prakash ,R.Venu Babu and Venu Gopal [7] proposed a new technique which is independently select the filter for different types of images. In this technique a new independent filter will automatically check which filter gives better results in images,. The results are computed using different parameters. The experimental results shows that proposed technique gives better results than other techniques. Mashaly et al. [8] introduced a new technique which is based on morphological operations. In this paper Synthetic aperture radar images are used. In this morphological operations are applied to remove the speckle noise reduction and the results are compared with different filtering techniques such as adaptive and non adaptive filters. Adib Akl and Charles Yaacoub [9] proposed a method for image denoising that uses wavelet denoising and an adaptive form of the Kuan filter that results in a significant removal of speckle noise. The results are tested in respect of the peak signal to noise ratio, equivalent no of looks and coefficient of correlation. Udomhunskal and Wongsita [10] presented a method for Ultrasonicspeckledenoisingusingthe hybrid technique which is based on wavelet transform and wiener filter to reduce thespecklenoisewhile preserving the details. In this method, firstly apply the 2D discrete wavelet transform for the noisy image. Then, the wiener filter isapplied to each detail subband. The results found that this method removes the ultrasonicspeckle more efficiently. 4. GAPS IN STUDY 5. PROBLEM FORMULATION The basic idea of this model is the estimation of the uncorrupted image from the noisy image or distorted image known as ââ¬Å"image denoisingâ⬠. To remove noisy distortions, there are various methods to help restore an image. Choosing the best method plays a very important role for getting the desired image. There are various existing techniques to remove the Speckle Noise Reduction but due to some drawbacks these techniques cannot remove Speckle Noise efficiently. The major drawbacks of the existing filters are: The adaptive filters like Lee filter, Kuan filter and Frost filter are not able to perform a full removal of Speckle without losing any edges because they rely on local statistical data and this Statistical data related to the filtered pixel value and this data depends upon the filter window over an area. As these existing filters are very much sensitive to the Window Shape and Window Size. If the Window Shape is very much larger than over smoothing will occurs. As window size is smaller than the Smoothing Capability of the Window will decrease. So, to overcome these limitations we proposed a new hybrid technique that combines Wavelet based denoising and anisotropic diffusion filter. As Wavelet is Frame based Approach, it does not dependent on Space or Time. Wavelet also provides better Resolution. In Anisotropic diffusion filter, it is based on partial differential equation. It does not depends upon the window size but, on Mean Square Error approach. So it provides better filtering capability and enhances the edges. By applying these techniques the efficiency of the system is increased and noise is reduced to the greater extent. 6.METHODOLOGY Wavelet denoising is a modern approach to denoising which is not based on local statistical data. The wavelet denoising is a frame based approach. In this approach, a wavelet transform is applied on the image, followed by thresholding method. In the end, an inverse wavelet transform is applied to the image for lengthening the image components after they were reduced during wavelet decomposition. A speckled image can be expressed in the form of k=m*n Where m is the original image and the n is noise with mean and unknown variance. The following diagram explains the DWT-denoising.Wavelet-based denoising consists of: Applying the Discrete Wavelet Transform (DWT) to the noisy image k, Thresholding the detail coefficients, and Finally applying inverse discrete wavelet transform (IDWT) technique on the threshold coefficients to obtain an estimation of the original image kas shown in Figure1. Figure1. Block diagram of wavelet denoising Theimage k is inserted in the filter in the logarithmic form i.e. k=m+n. After wavelet transform W is applied, it results in W(k). W(k) undergoes the thresholding process which results in T(W(k)) which is represented asfwin the figure 1.Finally, the de-speckled image is extracted using the inverse transform W-1. Anisotropic diffusion filter: In anisotropic diffusion the main method is to smoothen within the region in preference to the smoothening across the edges. Without bias due to the filter window shape and size the partial differential equation based removal approach allows the generation of image scales consisting of set of filtered image. So, anisotropic diffusion is adaptive and does not utilize the hard thresholds to alter performance in homogeneous areas or in region near edges and small features. This is quite edge sensitive. In the anisotropic diffusion filter, conduction coefficient is taken to be one within given region it is zero near the edges. Equation for anisotropic diffusion is as given I (x, 0) = =div (F) + ââ¬â Here I is input image, is the initial image, div (F) is diffusion flux and is entire coefficient Overview of Framework First load the image using a MATLAB processing tool box and add speckle noise into in the image which can be seen in the form black and white dots. After image is loaded it will pass through wavelet denoising filter where log transformation is applied so as to decrease the multiplicative nature of the image by making it additive for easing the removal process.Here Bayes Shrink Threshold is used for thresholding process. The Bayesian Shrinkage contains a soft-threshold and minimizes the Bayesian risk. Shrink threshold is calculated by considering a Generalized Gaussian Distribution. After that an Inverse wavelet transform will be applied on the threshold output, so as to extract the image. After applying the Wavelet Transform, hybrid of the anisotropic filter and wavelet will be formed, sothat it provides better results than simple Wavelet denoising techniques. After the image passes through the filter, results will be evaluated in terms of peak signal to noise ratio, Coefficient of c orrelation and equivalent No of looks. These results will show that the hybrid model gives better results than other existing techniques. Figure 2.Basic flowchart depicting the despeckling of an image using hybrid model. 7. FACILITIES REQUIRED FOR PROPOSED WORK The various hardware and software facilities of the proposed model are given as under : Hardware Requirements: Intel Core CPU 3 GB RAM Windows server Software Requirements: MATLAB Software(R2012a) 32 bit (win32) 8. PROPOSED PLACE OF WORK Department of Computer Science Engineering, Chandigarh Engineering College, Landran Mohali, India REFERENCES
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