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Rismon Hasiholan
MOTION ANALYSIS AND OBJECT TRACKING USING PYTHON AND TKINTER
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4891918MOTION ANALYSIS AND OBJECT TRACKING USING PYTHON AND TKINTERhttps://www.gandhi.com.mx/motion-analysis-and-object-tracking-using-python-and-tkinter-1230007598258/phttps://gandhi.vtexassets.com/arquivos/ids/4444487/image.jpg?v=638482080046570000135135MXNBALIGE PUBLISHINGInStock/Ebooks/4636429MOTION ANALYSIS AND OBJECT TRACKING USING PYTHON AND TKINTER135135https://www.gandhi.com.mx/motion-analysis-and-object-tracking-using-python-and-tkinter-1230007598258/phttps://gandhi.vtexassets.com/arquivos/ids/4444487/image.jpg?v=638482080046570000InStockMXN99999DIEbook20241230007598258_W3siaWQiOiJmZGM2YjU5MS1mNzJjLTRhZDktODg4ZS00Y2JjMjRmOWVlN2UiLCJsaXN0UHJpY2UiOjE0MywiZGlzY291bnQiOjAsInNlbGxpbmdQcmljZSI6MTQzLCJpbmNsdWRlc1RheCI6dHJ1ZSwicHJpY2VUeXBlIjoiSXBwIiwiY3VycmVuY3kiOiJNWE4iLCJmcm9tIjoiMjAyNS0wNi0wNlQxMTowMDowMFoiLCJ0byI6IjIwMjUtMDYtMzBUMjM6NTk6NTlaIiwicmVnaW9uIjoiTVgiLCJpc1ByZW9yZGVyIjpmYWxzZX0seyJpZCI6IjU4OWEwMGQyLTA1NDYtNDFlNi04OTlmLTEzNTQ3MjYwZWMzNiIsImxpc3RQcmljZSI6MTM1LCJkaXNjb3VudCI6MCwic2VsbGluZ1ByaWNlIjoxMzUsImluY2x1ZGVzVGF4Ijp0cnVlLCJwcmljZVR5cGUiOiJJcHAiLCJjdXJyZW5jeSI6Ik1YTiIsImZyb20iOiIyMDI1LTA3LTAxVDAwOjAwOjAwWiIsInJlZ2lvbiI6Ik1YIiwiaXNQcmVvcmRlciI6ZmFsc2V9XQ==1230007598258_<p>The first project in chapter one, gui_optical_flow_robust_local.py, showcases Dense Robust Local Optical Flow (RLOF) through a graphical user interface (GUI) built using the OpenCV library within a tkinter framework. The projects functionality and structure are comprehensively organized, starting with the importation of essential libraries such as tkinter for GUI, PIL for image processing, imageio for video file reading, and OpenCV (cv2) for optical flow computations. The VideoDenseRLOFOpticalFlow class encapsulates the applications core functionality, initializing the GUI window, managing user interactions, and processing video frames for optical flow calculation and visualization.</p><p>The GUI creation involves setting up widgets to display videos and control buttons for functions like opening files, playback control, and frame navigation. Optical flow is calculated using the Farneback method, and the resulting flow is visually presented alongside the original video frame. Mouse interaction capabilities enable users to pan the video frame and zoom in using the mouse wheel. Additionally, frame navigation features facilitate moving forward or backward through the video sequence. Error handling mechanisms are in place to provide informative messages during video processing. Overall, this project offers a user-friendly interface for exploring dense optical flow in video sequences, with potential for further customization and extension in optical flow research and applications.</p><p>The second project in chapter one implements a graphical user interface (GUI) application for analyzing optical flow in video files using the Kalman filter. The application is built using the Tkinter library for the GUI components and OpenCV for image processing tasks such as optical flow computation. Upon execution, the application opens a window titled "Optical Flow Analysis with Kalman Filter" and provides functionalities for loading and playing video files. Users can open a video file through the "Open Video" button, which prompts a file dialog for file selection. Once a video file is chosen, the application loads it and displays the first frame on a canvas. The GUI includes controls for adjusting parameters such as the zoom scale, step size for optical flow computation, and displacement (dx and dy) for visualizing flow vectors. Users can interactively navigate through the video frames using buttons like "Play/Pause," "Stop," "Previous Frame," and "Next Frame." Additionally, theres an option to jump to a specific time in the video. The core functionality of the application lies in the show_optical_flow method, where optical flow is calculated using the Farneback method from OpenCV. The calculated optical flow is then filtered using a Kalman filter to improve accuracy and smoothness. The Kalman filter predicts the position of flow vectors and corrects them based on the measured flow values, resulting in more stable and reliable optical flow visualization. Overall, this application provides a user-friendly interface for visualizing optical flow in video files while incorporating a Kalman filter to enhance the quality of the flow estimation. It serves as a practical tool for researchers and practitioners in computer vision and motion analysis fields.</p><p>The third project in chapter one presents a GUI application for visualizing optical flow through Lucas-Kanade estimation on video data. Utilizing Tkinter for GUI elements and integrating OpenCV, NumPy, Pillow, and imageio for video processing and visualization, the application opens a window titled "Optical Flow Analysis with Lucas Kanade" upon execution. Users can interact with controls to load video files, manipulate playback, adjust visualization parameters, and navigate frames. The GUI comprises video display, control, and optical flow panels, with functionalities including video loading, playback control, frame display, Lucas-Kanade optical flow computation, and error handling for stability. The VideoLucasKanadeOpticalFlow class encapsulates the application logic, defining event handlers for user interactions and facilitating seamless video interaction until window closure.</p><p>The fourth project in chapter one features a graphical user interface (GUI) for visualizing Gaussian pyramid optical flow on video files, employing Tkinter for GUI components and OpenCV for optical flow calculation. Upon execution, the application opens a window titled "Gaussian Pyramid Optical Flow," enabling users to interact with video files. Controls include options for opening videos, adjusting zoom scale, setting step size for optical flow computation, and navigating frames. The core functionality revolves around the show_optical_flow method, which computes Gaussian pyramid optical flow using the Farneback method from OpenCV. This method calculates optical flow vectors between consecutive frames, visualized via lines and circles on an empty mask image displayed alongside the original video frame, facilitating the observation of motion patterns within the video.</p><p>The "Face Detection in Video Using Haar Cascade" project as first project in chapter two, is aimed at detecting faces in video streams through Haar Cascade, a machine learning-based approach for object detection. The application offers a Tkinter-based graphical user interface (GUI) featuring functionalities like opening video files, controlling playback, adjusting zoom levels, and navigating frames. Upon selecting a video file, OpenCV processes each frame using the Haar Cascade classifier to detect faces, which are then outlined with rectangles. Users can interactively play, pause, stop, and navigate through video frames, observing real-time face detection. This project serves as a simple yet effective tool for visualizing and analyzing face detection in videos, suitable for educational and practical purposes.</p><p>The "Object Tracking with Lucas Kanade" project is the second project in chapter two aimed at tracking objects within video streams using the Lucas-Kanade optical flow algorithm. Built with Tkinter for the graphical user interface (GUI) and OpenCV for video processing, it offers comprehensive functionalities for efficient object tracking. The GUI setup includes buttons for opening video files, playback control, and bounding box selection around objects of interest on the video display canvas. Video loading supports various formats, and playback features enable seamless navigation through frames. The core functionality lies in object tracking using the Lucas-Kanade algorithm, where bounding box coordinates are continuously updated based on estimated motion. Real-time GUI updates display current frames, frame numbers, and tracked object bounding boxes, while error handling ensures smooth user interaction. Overall, this project provides a user-friendly interface for accurate and efficient object tracking in video streams, making it a valuable tool for various applications.</p><p>The third project in chapter two offers real-time object tracking in video streams using the Lucas-Kanade algorithm with Gaussian Pyramid for robust optical flow estimation. Its Tkinter-based graphical user interface (GUI) enables users to interact with the video stream, visualize tracking processes, and control parameters effectively. Upon application launch, users access controls for video loading, zoom adjustment, playback control, frame navigation, and center coordinate display clearance. The core track_object method tracks specified objects within video frames using Lucas-Kanade optical flow with Gaussian Pyramid, continuously updating bounding box coordinates for smooth and accurate tracking. As the video plays, users observe real-time motion of the tracked objects bounding box, reflecting its movement in the scene. With efficient frame processing, display updates, and intuitive controls, the application ensures a seamless user experience, suitable for diverse object tracking tasks.</p><p>The fourth project in chapter two implements object tracking through the CAMShift (Continuously Adaptive Mean Shift) algorithm within a Tkinter-based graphical user interface (GUI). CAMShift, an extension of the Mean Shift algorithm, is tailored for object tracking in computer vision applications. Upon running the script, a window titled "Object Tracking with CAMShift" emerges, housing various GUI components. Users can open a video file via the "Open Video" button, loading supported formats such as .mp4, .avi, or .mkv. Playback controls allow for video manipulation, including play, pause, stop, and frame navigation, complemented by a zoom adjustment feature. During playback, the current frame number is displayed, aiding progress tracking. The core functionality centers on object tracking, where users can draw a bounding box around the object of interest on the video canvas. The CAMShift algorithm then continuously tracks this object within the bounding box across subsequent frames, updating its position in real-time. Additionally, the GUI presents the center coordinates of the bounding box in a list box, enhancing tracking insights. In summary, this script furnishes a user-friendly platform for object tracking via the CAMShift algorithm, facilitating visualization and analysis of object movement within video files.</p><p>The fifth project in chapter two implements object tracking utilizing the MeanShift algorithm within a Tkinter-based graphical user interface (GUI). The script organizes its functionalities into five components: GUI Setup, GUI Components, Video Playback and Object Tracking, Bounding Box Interaction, and Main Function and Execution. Firstly, the script initializes the GUI window and essential attributes, including video file details and tracking status. Secondly, it structures the GUI layout, incorporating panels for video display and control buttons. Thirdly, methods for video playback control and object tracking are provided, enabling functionalities like opening video files, playing/pausing, and navigating frames. The MeanShift algorithm tracks objects within bounding boxes interactively manipulated by users through click-and-drag interactions. Lastly, the main function initializes the GUI application and starts the Tkinter event loop, launching the MeanShift-based object tracking interface. Overall, the project offers an intuitive platform for video playback, object tracking, and interactive bounding box manipulation, supporting diverse computer vision applications such as object detection and surveillance.</p><p>The sixth project in chapter two introduces a video processing application utilizing the Kalman Filter for precise object tracking. Implemented with Tkinter, the application offers a graphical user interface (GUI) enabling users to open video files, control playback, and navigate frames. Its core objective is to accurately track a specified object across video frames. Upon initialization, the GUI elements, including control buttons, a canvas for video display, and a list box for center coordinate representation, are set up. The Kalman Filter, initialized with appropriate matrices for prediction and correction, enhances tracking accuracy. Upon opening a video file, the application loads and displays the first frame, enabling users to manipulate playback and frame navigation. During playback, the Kalman Filter algorithm is employed for object tracking. The track_object method orchestrates this process, extracting the region of interest (ROI), calculating histograms, and applying Kalman Filter prediction and correction steps to estimate the objects position. Updated bounding box coordinates are displayed on the canvas, while center coordinates are added to the list box. Overall, this user-friendly application showcases the Kalman Filters effectiveness in video object tracking, providing smoother and more accurate results compared to traditional methods like MeanShift.</p>...1230007598258_BALIGE PUBLISHINGlibro_electonico_1230007598258_1230007598258Rismon HasiholanInglésMéxicohttps://getbook.kobo.com/koboid-prod-public/f2ca928b-958d-498f-bb70-f76c6615d8f6-epub-0a13bdb2-7abc-4be1-a07c-18b295b93163.epub2024-04-04T00:00:00+00:00BALIGE PUBLISHING