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INF5470 Fall 2010 Philipp Hfliger Lecture 6: Retinomorphic Vision - PowerPoint PPT Presentation

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INF5470 Fall 2010 Philipp Hfliger Lecture 6: Retinomorphic Vision Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion

  1. INF5470 — Fall 2010 Philipp Häfliger Lecture 6: Retinomorphic Vision

  2. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 2

  3. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 3

  4. Eyeball Cross Section Lecture 6: Retinomorphic Vision 4

  5. Retina Cells Lecture 6: Retinomorphic Vision 5

  6. Schematized Retinal Cells Lecture 6: Retinomorphic Vision 6

  7. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 7

  8. Photo Diode, Impact Ionization Lecture 6: Retinomorphic Vision 8

  9. Photo Diode Layout Lecture 6: Retinomorphic Vision 9

  10. Photo Transistor Layout Lecture 6: Retinomorphic Vision 10

  11. Photo Gate Lecture 6: Retinomorphic Vision 11

  12. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 12

  13. Amplification by Early Effect Lecture 6: Retinomorphic Vision 13

  14. Logarithmic Amplification Lecture 6: Retinomorphic Vision 14

  15. Common Source Amplifier Lecture 6: Retinomorphic Vision 15

  16. Common Source, Negative Feedback Lecture 6: Retinomorphic Vision 16

  17. Source Follower 3-transistor Active Pixel Sensor (APS) Lecture 6: Retinomorphic Vision 17

  18. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 18

  19. Overview ◮ Addressing/Scanning ◮ Charge Coupled Devices (CCD) ◮ Address Event Representation (AER) Lecture 6: Retinomorphic Vision 19

  20. Scanning Lecture 6: Retinomorphic Vision 20

  21. CCD Lecture 6: Retinomorphic Vision 21

  22. AER Lecture 6: Retinomorphic Vision 22

  23. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 23

  24. Adaptive Pixel Lecture 6: Retinomorphic Vision 24

  25. Non-Linear Element (Tobi-Element) Lecture 6: Retinomorphic Vision 25

  26. Retina Pixel (Mahowald) Lecture 6: Retinomorphic Vision 26

  27. Retina Pixel (Boahen) Lecture 6: Retinomorphic Vision 27

  28. Dynamic Vision Sensor (DVS) Pixel (Lichtsteiner) Lecture 6: Retinomorphic Vision 28

  29. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 29

  30. Token Based Motion Processing: Reichardt Detector Lecture 6: Retinomorphic Vision 30

  31. Intensity Based Motion Processing Lecture 6: Retinomorphic Vision 31

  32. Content The Eye and Retina Photo Active CMOS Elements CMOS Photo Circuits Read-Out Strategies Retinomorphic Circuits Further (Neural?) Image Processing Motion Processing Feature Extraction Lecture 6: Retinomorphic Vision 32

  33. A Natural Scene Lecture 6: Retinomorphic Vision 33

  34. ‘Difference of Gaussians’ Kernel(1/2) Lecture 6: Retinomorphic Vision 34

  35. ‘Difference of Gaussians’ Kernel(2/2) Lecture 6: Retinomorphic Vision 35

  36. Contrast Enhanced Natural Scene Lecture 6: Retinomorphic Vision 36

  37. 45 Degrees Edge Kernel (1/2) Lecture 6: Retinomorphic Vision 37

  38. 45 Degrees Edge Kernel (2/2) Lecture 6: Retinomorphic Vision 38

  39. 45 Degrees Edges Extracted from Natural Scene Lecture 6: Retinomorphic Vision 39

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