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Sharif Motion Analyzer

Sharif Motion Analyzer. M. Hoviatalab A. Kolahi T. Rezaeian M. Alizadeh M. Bostan Department of Mechanical Engineering, Sharif University of Technology. An Overview on SMA.

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Sharif Motion Analyzer

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  1. Sharif Motion Analyzer M. HoviatalabA. KolahiT. RezaeianM. AlizadehM. BostanDepartment of Mechanical Engineering, Sharif University of Technology

  2. An Overview on SMA Motion analysis software generally detects a target object in a scene, follows it over time, and determines its coordinates. How it works? Components Test Conditions Installation

  3. An Overview on SMA • Advanced User Interface • Without Special Environment Limitations • Low Cost of Hardware • Portable • 2D & 3D Applications • Capturing up to 200Hz • Built in Animator and Simulator units • Built in units for Kinematics and Gait Analysis

  4. How it Works This system includes both hardware and software components. A block diagram of the hardware and software units

  5. System Components • Motion Capturing unit • Synchronizing unit • Deinterlacing unit • Image Processing unit • 2D & 3D Reconstruction units • Gait Analysis unit • Segmentation unit • 2D & 3D Kinematics Analysis units • Simulation and Animation units

  6. Software Requirements

  7. Software Requirements Microsoft Windows XP MATLAB Version 7.0.1 (R14) Service Pack 1 a. DirectX, Version 9.0 b. Image Acquisition Toolbox, Version 1.7 c. Image Processing Toolbox, Version 5.0.1 d. Video and Image Processing Blockset, Version 1.0.1 Microsoft Office (Excel)

  8. Hardware Requirements

  9. Hardware Requirements Ideal configuration for this software is as following Computer: CPU: Dual 3.0 GHz P4, RAM: 1 GB, DISK: 60 GB SATA Camera: JVC GR-DVL 320A IEEE 1394 Host Controller The calibration frame Remote Flasher Markers

  10. Hardware Requirements Remote Flasher

  11. Motion Capturing Unit

  12. Capturing – Double Camera User Interface of Double Camera Mode

  13. Synchronizer Unit

  14. Synchronizer User Interface of Synchronizer Unit

  15. Synchronizer Diagrams of Frames Intensities Left Camera Right Camera

  16. Image Processing Unit

  17. Image Processing The image processing unit obtains 2D coordinates of all of the markers in each frame. It gets Deinterlaced frames as input and produces an Excel file of 2D coordinates of markers in an appropriate coordinate system defined by the user Markers are made of Special phosphoric materials that distinguish them from background

  18. Image Processing – How it works The Markers paths detected by Image Processing Unit

  19. Gait Analysis

  20. Gait Analysis-How it works User Interface of Gait Unit

  21. Gait Analysis The location of markers on body for Gait Analysis

  22. Segmentation-How it works User Interface of Segmentation Unit

  23. Kinematics Analysis

  24. Kinematics Analysis This unit calculates the following 3D Kinematics Parameters Cardan Angles Helical Angles Linear velocity Linear Acceleration Angular Velocity Angular Acceleration

  25. Kinematics Analysis An Example of Kinematics Analysis

  26. Simulation and Animation

  27. Simulation and Animation User Interface of 3D Max Simulator Unit

  28. Simulation and Animation User Interface of 3D Max Simulator Unit in the 3D Max Environment

  29. Simulation and Animation User Interface of Animator Unit

  30. Simulation and Animation An example of Animator Unit

  31. Simulation and Animation Gait Analysis

  32. Biomechanical Applications

  33. Applications - Maei Geri Maei Geri Ankle Angle

  34. Applications Maei Geri Ankle Angle versus normalized duration

  35. Applications - Zenkoutso Zenkoutso Shank Angle

  36. Applications Zenkoutso Shank Angle versus normalized duration

  37. Applications - Zoki Zoki Elbow Angle

  38. Applications Zoki Elbow Angle versus normalized duration

  39. Applications - Combination Combination Ankle vertical displacement

  40. Applications Combination Ankle vertical displacement versus normalized duration

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