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Machine Vision: Image Capture and Digitization

Machine Vision: Image Capture and Digitization. Matt Asay 14 OCT 2009. Overview. Image Capture Cameras Video or still Lasers Lighting Continuous or strobe Angles Digitization Built-in for some cameras Analog to digital conversion required for most cameras. Cameras. Uses Inspection

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Machine Vision: Image Capture and Digitization

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  1. Machine Vision:Image Captureand Digitization Matt Asay 14 OCT 2009

  2. Overview • Image Capture • Cameras • Video or still • Lasers • Lighting • Continuous or strobe • Angles • Digitization • Built-in for some cameras • Analog to digital conversion required for most cameras

  3. Cameras • Uses • Inspection • Part Orientation • Parameters • Resolution • Typical: VGA (640 x 480) • High end: 16-Megapixel • Frame Rate • Typical: 30 fps • High end: 64 fps • Color or B&W Prosilica 782 x 582 64 fps 4872 x 3248 3 fps

  4. Videos • http://www.youtube.com/watch?v=RhPD_EqSwCc • http://www.youtube.com/watch?v=HnJgFB73GYU

  5. Cameras • Uses • Inspection • Part Orientation • Parameters • Resolution • Typical: VGA (640 x 480) • High end: 16-Megapixel • Frame Rate • Typical: 30 fps • High end: 64 fps • Color or B&W Prosilica 782 x 582 64 fps 4872 x 3248 3 fps

  6. Cameras • Costs • Low end: $150 • High end $4,000 • Supporting Technology • Sensors • Robot

  7. Vendors • Procilica • Cognex Vision • moviMED

  8. References • http://www.prosilica.com/ • http://www.cognex.com/ • Groover, Automation, Production Systems, and Computer-Integrated Manufacturing, Third Edition, Prentice Hall, 2008.

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