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Advanced Hand Motion Capture Techniques for Finger Tracking in Anatomy Studies

Explore the intricate details of hand anatomy with this informative guide on finger tracking and motion capture techniques. Discover the fundamental structures of the hand, such as carpals, metacarpals, and phalanges, and learn about the complex joints that allow for a wide range of hand movements. Dive into the challenges of finger capture and explore innovative solutions using optical systems and data gloves. Enhance your understanding of hand anatomy and improve your anatomical studies with advanced motion capture technologies.

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Advanced Hand Motion Capture Techniques for Finger Tracking in Anatomy Studies

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  1. HandMotion Capture Dr. Midori Kitagawa School of Arts, Technology and Emerging Communication University of Texas at Dallas

  2. Hand Anatomy • Thebase of carpalsattach to the arm (the radius and the ulna) • Metacarpals allow the hand to ‘cup’.

  3. Hand Anatomy • Each finger has three phalanges, except for the thumb which has two. • Metacaropophalangeal (MCP) joints are biaxial and has two DOF rotation. • Other joints between phalanges have one DOF rotation.

  4. Hand Anatomy • Thumb’s Carpometacarpal (CMC) joint has two DOF rotation and allows the thumb to rotate and face the other fingers.

  5. Finger capture is hard with an optical system because • of occlusion • markers get too close to each other

  6. Hand capture with an optical system • Mitten – allows a hand to grasp • Mitten with an independent thumb • Stretchable mitten – allows fingers to spread.

  7. Hand capture with an optical system • Smaller markers • close-up camera setup

  8. Finger tracking (capture) • Often done with data gloves

  9. Finger tracking • Leap Motion

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