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Motion Capture Emilio Cantu, Jin He, Gerard Louis, Brian Orchosky, Chelsey Salberg

Motion Capture

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Motion Capture. Emilio Cantu , Jin He , Gerard Louis, Brian Orchosky, Chelsey Salberg. Challenges and New Techniques. Expense Hardware Software More Sensing Methods. Expense. Very expensive Vicon Complete Vicon MX40 Motion Capture System - $220,000. Hardware and software. Hardware - PowerPoint PPT Presentation

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Page 1: Motion  Capture

Motion CaptureEmilio Cantu, Jin He, Gerard Louis, Brian Orchosky, Chelsey Salberg

Page 2: Motion  Capture

Challenges and New Techniques

● Expense● Hardware● Software● More Sensing Methods

Page 3: Motion  Capture

Expense

● Very expensive● Vicon● Complete Vicon MX40 Motion Capture

System - $220,000

Page 4: Motion  Capture

Hardware and software

● Hardware○ Real time○ High frame rate○ High bandwidth

● Software○ Image processing algorithms○ Extract the target image from its background

Page 5: Motion  Capture

New Methods

● IR Camera Based○ Leap Motion

● Electrical signal based○ MYO

● Wifi Based○ WiSee○ Wivi

Page 6: Motion  Capture

Leap Motion

● Human computer interaction● Hand and finger motion● Smaller observationarea and higher resolution

● 2 IR cameras and 3 IR LEDs● Provide SDK, C++● App store - new● https://www.leapmotion.com/

Page 7: Motion  Capture

MYO

● Wristband● Electrical activity in muscles.● https://www.youtube.com/watch?v=oWu9

TFJjHaM● Wirelessly control computer. ● Interact with digital world.

Page 8: Motion  Capture

Wifi Based Methods

● Wisee○ From Univ of Washington○ Published in MobiCom13○ http://wisee.cs.washington.edu/○ Classify a set of 9 gestures○ Achieve 94% accuracy.

Page 9: Motion  Capture

Wifi Based Methods

● Wivi ○ From MIT○ Published in SIGCOMM13○ Motion Capture Behind Walls○ http://people.csail.mit.edu/

fadel/wivi/

Page 10: Motion  Capture

accadAdvanced Computer Center for Arts and Designs

Page 11: Motion  Capture

What is need for Motion Capture

• Need 8 cameras for performances• Need 3 for props• Must avoid occlusion• Input from cameras into giganet that

sends data to computer software processed input

Page 12: Motion  Capture

accad

• Uses 12 Vicon cameras

X 12

Page 13: Motion  Capture

accadMotion Capture Studio

Page 14: Motion  Capture

Autodesk Motion Builder

Page 15: Motion  Capture

Questions?