Multiple Objects Tracking Via Collaborative Background Subtraction Computer Science Essay

Multiple Objects Tracking Via Collaborative Background Subtraction Computer Science Essay Multiple Objects Tracking Via Collaborative Background Subtraction. Object tracking system is a group of integrated modern technology working together to achieve certain of purpose like monitoring, tracking moving object such as vehicle. The main purpose of the object tracking is to achieve monitoring purpose such surveillance in restricted area, providing information about moving vehicle located at road to Intelligent Traffic System and traffic monitoring. This project discusses the development of the object tracking system and the idea of this system is based on vision system available on current market. For this object tracking system, user can monitor and track moving object such as vehicle where the vision system been placed. Software MATLAB is used to program algorithm like detecting and tracking moving object where the vision system is placed and display moving object image for user. TABLE OF CONTENTS Page TITLE DECLARATION i ABSTRACT ii ABSTRAK iii TABLE OF CONTENTS iv LIST OF TABLES vii LIST OF FIGURE viii LIST OF ABBREVIATIONS ix LIST OF TABLES Table No. Description Page Table 4.1: Summarize of three experiment conduct previously. 17 LIST OF FIGURES Page Figure 2.1: Example of Median Filtering, value of current pixel will replaced using new median value 5 Figure 2.2: Normal presentation of a straight line 7 Figure 3.1: Relationship between webcam, MATLAB and GUI 11 Figure 3.2: Flow of work for vehicle tracking system 12 Figure 4.1: Logitech Quickcam Pro 4000 Image 14 Figure 4.2: Image captured for YCbCr return color space 15 Figure 4.3: Image captured for grayscale return color space 16 Figure 4.4: Image captured for grayscale return color space 17 Figure 5.1: Example of frame differencing 23 Figure 5.2: Memory of cache been flush 24 Figure 5.3: GUI window layout design 25 Figure 6.1: Display figure when there is no moving object 28 Figure 6.2: Moving curtain cause by wind 28 Figure 6.3: Moving stand fan motion. Frame start from up to bottom and left to right. 31 LIST OF ABBREVIATIONS CCD Charge-couple Device FPS Frames per Second GUI Graphical User Interface ID Identification Number USB Universal Serial Bus VGA Video Graphics Array CHAPTER 1 INTRODUCTION Overview Object tracking system is defined as a real time vision system which is capable to perform desired surveillance task without human supervision (Nguyen, K. et al., 2002). Besides that, object tracking system is able to detect object which is moving in street such as vehicles or pedestrian without human assistance. Furthermore, an object tracking system may also send amount of vehicle which is moving in desire area to assist data collection for Intelligent Transportation System (R. Reulke et al., 2002). This tracking system may also have the abilities to resist with environmental changes such as shadow of surrounding building or even slow moving vehicles. Therefore, a quick response for vision fields such as real time street monitoring system which are able to perform moving object detection. In this project, the main purpose is to design an object detection mechanism for an object tracking system, from connecting a vision system to a computer. The target is to build an applicable obje ct tracking system. Object tracking system can distinguish between static background and moving objects by itself and able to display and tracking moving objects if any moving objects detected. Hence, it allow us to monitor a heavy load street which having high volume of usage. Furthermore, it can contribute data collection if those areas contain Intelligent Traffic System which can reduce time of waiting for vehicle located at traffic light. Since year 2000, plenty of fast response time or accurate object detection algorithm had been release such as background subtraction, mean shift, Kalmen filter, Markov Chain Monte Carlo, Kernel Density and others. Object Tracking System consists of two major systems which are vision system and moving object detection and tracking software system. The vision system is responsible to export video stream captured and send to tracking system. Meanwhile, the tracking system is to let user monitor and been inform if moving object detected. In this project, object tracking system will be design and developed to ensure it is capable to detect and tracking moving object such as vehicles moving in street. Due to this, it could not effectively detect fast moving object, surrounding light intensity is too low or shadow of building. As a result, the detection algorithm should fast enough to process each frame coming from vision system and can able to encounter problem stated before such as shadow surrounding and slow responding time by tracking system. Problem Statement The current real time object tracking systems developed usually cannot eliminate having slow respond during tracking object which will limit the robustness of object tracking. Hence, the algorithm that able to having less computation time is necessary to be developed. Background subtraction at the initial detection will save computation time for faster response to detect an object in real time. To obtain more accurate tracking result, a more precise detection and tracking algorithm will be carried out. It is believe to track the moving object using this algorithm will taking less time and providing more accurate result. Objective The aim of this project is to detect multiple moving objects through real time vision system. This projects aim can be realized by accomplishing the following sub-objectives. To study and identify practical parameters to track a moving object. To implement background subtraction for real time detection purpose. To enhance the developed algorithm for continuous tracking purpose. To ascertain and enhance performance of develop background subtraction based tracking system. 1.4 Scope of Work The main scope of this project is to build an object tracking system capable of detect and track moving object. The object tracking system includes a vision system and an image processing system. The image processing system will able to detect moving objects and tracking it continuously. MATLAB control m-file will be acts as core of the object tracking system, it will be use as detect and track moving vehicle in video supply by vision system. The vehicle tracking system will display in GUI window. Vision system will be use as a supplier to supply tracking system that video capture in desire area. This system should be small enough so that it can be easily set up or take away. Organization of the Report This report includes seven chapters, each chapter is properly divided and plan. Vision system and object tracking system will be discussed in each chapter. Chapter 2 discussed about review of object tracking and detecting method available nowadays. Chapter 3 explains about flow of work require for this tracking system, parameter require during tracking system is running, input and output prediction and concept how to build this tracking system using vision system available in market. Chapter 4 explains hardware and software setup before this tracking system was starting to run. This is to ensure vision system will supply appropriate video require for tracking system and MATLAB will provide suitable arrangement such as memory to process the video supply by vision system. Chapter 5 discuss about algorithm using in this project that is background subtraction using frame difference. In this chapter, an M-file will be constructing and including function requires establishing the tracking system. The tracking system should able running using hardware and software setup preparing at previous chapter together with this M-file. Chapter 6 show image output and result obtain during this tracking system is running. Firstly it will show successful background subtraction and secondly it will show distortion of surrounding such as shadow of object. Chapter 7 will summarizes and concludes the report by stating the limitations of the project as well as the future work of the project. CHAPTER 2 review of object tracking and detecting method 2.1 Overview In this chapter, review of existing method to detect and track object will be discussed. Algorithm that suitable for detect and tracking also will be studied. Several algorithms will be review by student. 2.2 Median Filter Median Filter, use to reduce small noise in an image is a commonly used technique (Al-amri, S.S et al., 2010). According research by Boyle, small noise normally appears very distinct and its having quite different value in grayscale within its neighbor pixel values. By changing its gray value to the median of neighboring pixel value, the noise can be eliminating using this technique. Using example in Figure 2.1, the value of neighboring pixels are 115, 119, 120,123, 124,125,126,127 and 150. By calculating median value using these neighbor pixels, we can obtain median value is 124. Replacing pixels in centre using median value will eliminate the noise. Figure 2.1: Example of Median Filtering, value of current pixel will be replaced using new median value In order to obtain more accurate median value, we should increasing number of neighbor which involve in median value calculating. This technique will become more and more complex when dealing with bigger image. Besides that, computation cost and time require is relatively high because it needs to sort all value in neighbor. 2.3 Canny Edge Detector Canny introduce a well-known technique using edge detection (Neoh, H.S et al., 2005). This method requires few steps to track an object. Remove small noise using smooth a image Two gradient images are generated on both vertical and horizontal direction using one of the gradient operators based on previous image. Result denoted as Gx (m,n) and Gy(m,n) where m and n are pixel coordinate. Calculate edge magnitude and direction images from previous two images. Edge magnitude, M (m,n) = Edge direction, Threshold the edge magnitude image M (m, n). Set pixel to zero if their value below a predefined threshold. Reduce edge breadth by non-maxima operation on MT (m, n) the non-zero pixels in MT (m, n) are set to zero if their value are not greater than their neighbors along the direction indicate by. Result is threshold using two identical thresholds: T1 and T2 where T1 Edge with a magnitude less than T1 will be removed and those greater than T2 are detect as real edge. Edges with magnitude between T1 and T2 also detected as edges if they connect to an edge pixel. 2.4 Hough Transform This technique detects object whose shape can be parameterized in a Hough parameter space (Gurbuz, A.C. et al., 2008).These objects include polynomials, straight line, circle and etc. The peaks detected in Hough parameter space is used to describe the object space. An example, line segment can be described using a parametric notion: Where r is length of a normal from origin to this line and ÃŽÂ ¸ is orientation of r with respect to x-axis. ÃŽÂ ¸ Figure 2.2: Normal presentation of a straight line Using this normal presentation, we can transform the points on the line to curve in a Hough parameter space whose coordinates represent the normal length and orientation. Points which are on the line generate curves intersecting at a common point (r, ÃŽÂ ¸). 2.5 CamShift CamShift or Continuosly Adaptive Mean Shift track objects based their color. This technique was developed and detects an object using centre and size of the object in a given image (Ganoun, A. et al., 2006). Step of tracking an object is as follows: Set the size of search window. Initialize location of searching window. Location of centroid within search window based on the 0th and first moment been computed. Search window is centered at the centroid. Step three and step for is repeated until it has move for distance lee then a preset threshold. In order to use this technique, an identical color of object must be use. Hence, one object with complex color is not suitable for this technique. 2.6 Kalman Filter This algorithm is a state estimation based on feedback control mechanism (Donald, J.S. et al., 1998). This filter will predict the process state and then obtains feedback from the measurement. Equation for Kalman filter is divided to two groups: Time update equation. Measurement update equations Time update equation is used to predict current state and error covariance. Output of these equations is a state of prediction for next time step. In the other hands, the measurement update equations incorporate a new measurement into their prior prediction. Output of this is an improved estimation compared to other estimation. However, Kalman Filter cannot detect fast moving object such as moving vehicle in Highway, this is because changes in speed, acceleration can be dramatic during two consecutive frames. The Kalman filter is not fast enough to respond to constant and sudden changes of system rate. Hence, it is not suitable for detection purpose which require less computation time. 2.7 Markov Chain Monte Carlo Markov Chain Monte Carlo (MCMC) is a class of algorithm for sampling from probability distributions based on constructing a Markov Chain that has desired distribution as its equilibrium distribution. In order to construct a Markov chain Monte Carlo, it must contain three main stages (Jia, Y.Q. et al., 2009): Model Construction. Image is first pre-processed to retrieve its edge features. Models of roads and vehicle also been defined according for this method. Bayesian formulation. Since vehicle detection and segmentation problem is casted as Bayesian problem of finding a MAP solution, a corresponding formulations been defined. Prior probability and like hood of vehicles proposal are defined from which the form of the posterior probability is derived to evaluate different proposals. Detect a vehicle using MCMC. Construct a Markov chain to sample the proposal in the parameter space. Monte Carlo method with simulated annealing been used to search for the position and other related parameters that fixed actual vehicles most. 2.8 Background Subtraction In background subtraction, two image been captured in same location will be compared. Assume first image did not contain any moving object (empty background) and next image contain one moving object. Minus the second image with first image will contain moving object only since background of image been subtracted (Fukushima, H. et al., 1991). The image is read as array format in the image processing, which each pixels is represented by matrix coordinates (x,y). The intensity at position (x,y) is define by I (x,y). (4.1) From Equation 4.1 Where lc, Ib, Is are the contributions from the foreground objects and background objects respectively. In the image for the subtraction, the brightness is written as (4.2) The position adjustment between the two images is easily carried out by using the foreground objects. In order to obtain the foreground object, the first image is subtracted from the second one which contains the foreground object as show in Equation 4.2. CHAPTER 3 CONCEPTUAL DESIGN 3.1 Introduction Method of how to detect and track object will discuss in this chapter. The vision system will capture video in a desire area and send that video to MATLAB for processing. The MATLAB will process data coming from vision system and performing tracking action. Figure below show the mechanism for vision system and MATLAB. The vision system includes webcam which can connect to a computer using USB. The MATLAB will get data from vision system and processing the data. After that, A GUI window will show moving object if moving object exist capture by vision system. Webcam MATLAB GUI Figure 3.1: Relationship between webcam, MATLAB and GUI MATLAB been chosen as platform for detecting and tracking due to it contain powerful toolbox which can use to synchronize with webcam and can produce a simple detect and track vehicle tracking program. Besides that, it also can produce a GUI window which is requiring for the tracking system. 3.2 Flow Chart of Work In this section, flow of work requires detecting and tracking moving object will be further discussed. Frame differencing will be using to subtract the background and obtain the masking of moving object. In order to obtain more accurate result, a more accurate algorithm will be use to track moving object. Input Video Frame from camera Pre-processing Store the current frame as background Subtract the next frame with background image Save into memory Update current frame as background Display moving object and track it continuously. Figure 3.2: Flow of work for object tracking system 3.3 Discussion In this chapter, draft and prototype of tracking system been discussed. In order to achieve this objective, the tracking system will be build based on conceptual design discussed previously. In the following chapter, pre-processing will be elaborated and method to connect webcam with MATLAB will be show. Preparation configuration also will discuss in details. CHAPTER 4 Hardware and Software Setup 4.1 Overview Hardware and software setup is defined as a preparation before a simulation is set up in either hardware (tools or instrument) or software (simulation program, programming language) by designer. A setup describes a system will be perfectly connecting between hardware and software to achieve certain mission. Engineer use a tools or instrument that either ready in market or design it according to their requirement. In other way, software such as scientific program also available in market, all that engineer need to do is fully utilize the program by design an efficient flow which can achieve their expectation. Engineer can develop a surveillance system and by using a mathematical modeling to analyze and obtain object which is moving from view of camera. In this chapter, hardware and software setup is carried out for the design of a street monitoring system. It includes the connecting webcam to MATLAB which will let MATLAB ready to get real time video recording from webcam, M-file coding which contain algorithm to extract background which is static from object (vehicles or pedestrians) which is moving. Lastly, is to show image which is moving after process of background subtraction been executed in form of GUI. 4.2 Tools and Software In this section, tools and software using along this project will be describe in details of how they contribute in this project. Tools using in this project is a webcam which can connect to computer via USB 2.0 connection, it can either capture a static picture or even recording a video which can be treat as real time recording device. Software using in this project is MATLAB R2009a. In MATLAB R2009a, toolbox which will be use to develop this street surveillance system is Image Acquisition Toolbox and Image Processing Toolbox. Image Acquisition Toolbox will be use to establish a real time recording from webcam and delivered to MATLAB. In other hands, Image Processing Toolbox will be use to process continuous frames capture which is stored in MATLAB and show moving object which is process by using background subtraction. 4.2.1 Webcam In this project, student will use Webcam which is product of Logitech with model Logitech Quick Cam Pro 4000. Figure 4.1: Logitech Quickcam Pro 4000 Image Source: Logitech Software Support (2010) Logitech Quick Cam Pro is a webcam that able to capture video in 640 x 480 resolutions and able to snapshot a picture with 1280 x 960 resolutions. Besides that, it also contains a build in microphone which able to record sounds around that webcam been located and activated. Video capture from this webcam is using advance VGA CCD sensor and up to 30 fps. (Logitech, 2004) In order to try different video input format, student tried several video input format available for this vision system such as YCbCr, grayscale and RGB. These three return color space been chosen due to vision system using at here, Logitech Quick Cam Pro 4000 only support these three return color space. Three experiments will be performing to choose the suitable return color space from YCbCr, grayscale and RGB. In each experiment, three cases will be using to test different light intensity towards an object (battery) that is low, normal and high. For low light intensity, surrounding of image captured should be dark enough. Normal light intensity test will be performing at inner space with medium light intensity and camera should not point toward a direction with strong light source such as sun or spotlight. In the last case, camera will be capture image in direction towards strong light source such as torchlight. These experiments will be tested using webcam connect to MATLAB and executing command codes. Summarize of three experiment will be included in Table 4.1. Experiment 1: Using YCbCr as video input format and display as figure. After webcam is connecting to MATLAB, code as below will be executing to perform the test. vid = videoinput(winvideo,1); set(vid,ReturnedColorSpace,YCbCr); preview(vid) From Figure 4.2(a), image obtained almost in dark due to low intensity of light surrounding object. Image can be seeing using human eyes in clear view for Figure 4.2(b). For last case, object still can consider as clear although white spot cause by strong light source located at upside of Figure 4.2(c). (a) (b) (c) Figure 4.2: Image captured for YCbCr return color space (a) Low light intensity (b) Normal light intensity (c) High light intensity From this experiment, this return color space is potential to be used in this project. It does not lose color property and only having small changes of color during in high light intensity situation. Experiment 2: Using grayscale as video input format and display as figure. To perform this experiment, previous video object should delete from MATLAB workspace and executing following code. vid = videoinput(winvideo,1); set(vid,ReturnedColorSpace,YCbCr); preview(vid) From both Figure 4.3(b) and Figure 4.3(c), we can see that color property of object only left color, that is black and white. Furthermore, Figure 4.3(c) does not have problem of overexpose. Same as previous, object hard to see in Figure 4.3(a). (a) (b) (c) Figure 4.3: Image captured for grayscale return color space (a) Low light intensity (b) Normal light intensity (c) High light intensity Although performance in handling high light intensity is better, this return color will not consider at this moment since color property of decrease that will limit the improvement of algorithm that may need color property. Experiment 3: Using RGB as video input format and display as figure. (Default returned color space in MATLAB) Since default setting for this webcam is RGB, after delete video object built in previous experiment, a new video input is create and preview directly. No return color space should be set. vid = videoinput(winvideo,1); preview(vid) It is not possible to capture image in dark environment at Figure 4.4(a). Figure 4.4(b) can represent each color of object with details. Furthermore, this return color space did not show problem of overexpose, as in Figure 4.4(c). (a) (b) (c) Figure 4.4: Image captured for grayscale return color space (a) Low light intensity (b) Normal light intensity (c) High light intensity From this experiment, it is clear to show that this return color is most suitable for this project among three return color space. It does not lose color property and yet can encounter overexpose problem. Table 4.1: Summarize of three experiments conduct previously. Property YCbCr Grayscale RGB Able to detect object in low light intensity No No No Color Returned Multi color Black and white Multi color Able to encounter overexpose Partially No Yes From Table 4.1, we can conclude RGB is the most suitable since from human visual view, grayscale return color space will lose its color characteristic since it will threshold the figure into black and white, we will unable to further recognize an object exist in frame of view due its unique characteristic such as color. YCbCr can be defined as a way to encode RGB information, thus using RGB will keep original characteristic remain unchanged. Using RGB, we still can develop other usage of it. Since return color space using is RGB, which is default in toolbox. We can ignore the set return color space in MATLAB coding during import the video input object. Initially, an object will be created to get input from webcam using following MATLAB command, obj = videoinput(winvideo,1) where 1 is ID number of camera input. After this MATLAB command is executed, an object named as obj will be store in workspace of MATLAB. In order to let the video input object continuously acquire the data, student has to instruct MATLAB by command as following: triggerconfig(obj, manual); set(obj, Tag, appTitle, FramesAcquiredFcnCount, 1, TimealrFcn, @locFrameCallback, TimerPeriod, 0.01); 4.2.2 MATLAB M-file Initially, we have to associate object (video input object) with figure in GUI of MATLAB, if it is already existed, we will use it or else create a new one. ud = get(obj, UserData); if ~isempty(ud) isstruct(ud) isfield(ud, figureHandles) ishandle(ud.figureHandles.hFigure) appdata.figureHandles = ud.figureHandles; figure(appdata.figureHandles.hFigure) else appdata.figureHandles = localCreateFigure(obj, appTitle); end An empty array with unset dimension and value will be used to store what the video input object needs in terms of application data. appdata.background = []; obj.UserData = appdata; Function named as imaqmotion which contain MATLAB command will be compile together and compile to ensure no error detect. In order to execute this function, user can create a video input object and executed it by named of function follow by name of video input object in bracket. 4.2.3 Error Catching in M-file To prevent MATLAB contain an existing video input object is running, a stop instruction will be included in M-fie. stop(obj) This is to ensure that only one new desire video input object will be use to perform the monitoring process. Besides that, MATLAB will show a warning if frame import from webcam takes too long returning. This warning can be skipped by using: warning off imaq:peekdata:tooManyFramesRequested MATLAB will stop responding and quit improperly if error that unpredicted occur during the process. Thus, we have catch the error and only pop out a warning message to indicate user that error been occur and MATLAB can stop the execution of function gracefully. catch error(MATLAB:imaqmotion:error, sprintf(IMAQMOTION is unable to run properly.n%s, lasterr)) end 4.3 Discussion In this chapter, student demonstrates how a MATLAB connect with webcam and import real time recording to MATLAB. Follow by preparing an environment where declared video input object will be store in workspace of MATLAB, where this object can be use to start the core of project, subtract object from static background. Steps mention before is to ensure user can executed several step in one simple instruction which is store in MATLAB M-file. In the next chapter, student will show how two consecutive frames being compare and spot which is not belong to previous frame (declare as background of frame) in same location of matrices will be show in MATLAB GUI. CHAPTER 5 BACKGROUND SUBTRACTION USING FRAME DIFFERENCE 5.1 Overview To achieve objective of this project, detect object which is moving from the view of vision system, we need develop a monitoring system which able to distinguish moving object and static background. This can be done using writing an algorithm using different language such as C programming, Open CV or MATLAB. In this chapter, background subtraction using frame difference will be implementing along this project to subtract the background. Background subtraction is a general method where as frame difference is a subset of background subtraction which compare the current frame with previous frame and any pixel not belongs to previous frame is consider as moving object. This method been chosen due to its simple operation and can reduce time require to process those frames import from vision system. Frame use as background will be store as array with constant array which contain information of pixel. This array will use as reference, in another, as a background of image which will be compared with next frame capture by vision system in variable of array. After two frames are being compared by using differencing method, object which consider as moving should be show in a window. Due to simple subtraction method, delay in video processing can be reduced. Those functions contain above ability will be include in M-file. Those instructions will be include in different function so that it can be executed according to flow of project. These include localFrameCallback (a function to update image display by video input object), localUpdateFig (function that update GUI window using latest data), localCreateFigure (function that create and initialize figure), localCreateBar (function that create and initialize bar display). 5.2 Initialize and Creating a Background Image This section is basically disc

Christinan/Musliim responses to black plague

It was a deadly disease that was causing destruction throughout the middle Ages. It devastated many people as well as killed many people. It had many names such as the Black Death, the great plague, and even the great pestilence. None of these names can describe the amount of struggle and devastation this disease brought upon the people living during the medieval times. This deadly disease killed about 25 million people in Europe in the Late 1340s.The plague followed trade routes throughout the Middle East, North Africa, and Europe. Not much knowledge of cleanliness and how sickness was caused was known during the Middle Ages but most believe that the plague was caused by bacterial strains. How was the way the Christian and Muslims’ way of handling the plague different? the meaning of responses mean a way of handling a situation. The first way that Christian and Muslim responses to the Black Death were different was their causes and preventions, which means their beliefs of wh at caused the plague and also what they believed could prevent it. In Europe people believed cause for the plague (document 5) that had nothing to do with religion were miasma carried by warm southern winds, excessive clothing, march 20 1345, and outrageous fashion.Near East people believed that causes for the plague were miasma due to wind carrying stench of Mongol bodies from Crimea, miasma due to overpopulation causing â€Å"evil monsters†, war ovens, demons, sin; alcohol and prostitution. People in Europe believed that some ways to prevent themselves from getting the plague were to build fires to purify contaminated air, reside in a house facing north to avoid southerly winds, fill house with sweet smelling plants, drink liquefied Armenian clay, rose water, peppermint, avoid sleeping on back, and breathe in latrine vapors.Near East people believed that some ways of preventing themselves from getting this disease was to consume pickled  onions, pumpkin seeds, and sour ju ices, build fires and fumigate, drink in a solution of Armenian clay, pass severe laws against alcohol and prostitution, stay indoors, avoid sad talk, and use letter magic. Causes and  preventions points to a difference in Christian and Muslim responses to The Black Death because both religions thought differently about the causes of the black plague and the way they should prevent it. It shows that the two religions had a different way of approaching the plague.The second way that the Christian and Muslim responses to the Black Death were different was the role of God, which means the part that God took in the lives of both the Christians and Muslims during the black plague epidemic. The plague was described as (document 4) a blessing from God and something that a Muslim should accept as a divine act. However, the Christians say â€Å"I am overwhelmed, I can’t go on!† Everywhere one turns there is death and bitterness†. The role of God points to a difference i n Christian and Muslim responses to the Black Death because it shows that the Muslims saw the plague as a gift from God while the Christians saw it as overwhelming. This demonstrates that both religions looked at how the plague affected them differently from one another.The way the Christians and Muslims handled the great plague epidemic were different from each other was their beliefs of what caused and how the plague could be prevented and the role God took in their lived during the spread of the disease. The difference between Christian and Muslim responses to the Black Plague is important because it demonstrates the differences between the ways the two religions decided to go about handling the plague. It is important for u to know these differences today because it shows us how the two religions lived their lives during the time that this disease was a huge part of their lives.

Gwu Essay Samples Fundamentals Explained

Gwu Essay Samples Fundamentals Explained Characteristics of Gwu Essay Samples In addition, items are often upgraded in price and features so you might have to trade in your present item in favour of a better one. You may choose to try outlining your essay in numerous formats or the very same format multiple times. Here's a link about it for more info. You may read more on the subject of the different citation styles at this site. Top Choices of Gwu Essay Samples It doesn't need to be a complete paragraph, but you want to at the very least introduce your ideas at the start of your essay and wrap up your conclusions at the conclusion of it. In reality, normally the essay is the only means you would have the ability to disclose your disability. An essay outline is a set of ideas and ideas pertinent to the subject issue. However, the utility of the five paragraph form is that it is a tried-and-true method to continue to keep your essay organized. 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A Place For Call Home Intellectual Disabilities And...

â€Å"A Place to Call Home: Intellectual Disabilities and Residential Services in Nova Scotia,† is an article written by Rachel Barken (PH.D Candidate) from the Department of Sociology at McMaster University. This article is about how Nova Scotia still continues to institutionalize people with intellectual disabilities when other provinces across Canada are working on deinstitutionalizing. Provinces in Canada are moving towards the approach of community living based group homes for people with intellectual disabilities. Barken (2013) based this article on participant observation, document analysis, and qualitative research. She discovered that implicated community members which include policy makers, residential service providers and workers, and advocates have conflicting beliefs about institutionalized and community living based group homes that could be slowing the process down of still have institutions in Nova Scotia. (Barken, 2013) Barken mentions that according to the 2008 Report of Residential Services, over seven hundred Nova Scotians with disabilities are segregated in institutional settings. Institutions that house people with a combination of physical and intellectual disabilities and mental illnesses are referred to as Adult Residential Centres (ARCs) or Regional Rehabilitation Centres (RRCs). (Barken, 2013) Barker cites from the DCS written in 2008 that there are seven institutions or ARCs and RRCs part of a continuum of residential services in Nova Scotia.Show MoreRelatedOut Patient Mental Health Facility Essay986 Words   |  4 PagesOut-patient mental health facility Resources for Human Development (RHD) is a national human services nonprofit founded in 1970. The company currently oversees and supports more than 160 programs in 14 states. 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