04a visiual signal processing intorduction

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04a visiual signal processing intorduction

  1. 1. Visual Signal Processing
  2. 2. Visual receptor
  3. 3. Retina histology
  4. 4. Photoreceptors Rod and Cone
  5. 5. Anatomical Distribution of Rods and Cones
  6. 6. Phototransduction
  7. 7. Phototransduction and electrical conduction
  8. 8. Retina Functional organization 1. Retinal cell types 2. Neural Circuitry of Retina 3. Hyperpolarization 4. Neurotransmitters 5. Electrical synapse with graded conduction 6. Lateral inhibition 7. Bipolar cell depolarization/ hyperpolarization
  9. 9. Lateral inhibition mechanism
  10. 10. Central Projections of Retinal Ganglion Cells
  11. 11. Pupillary reflex
  12. 12. Organization of Visual Cortex
  13. 13. Extrastriate Visual Areas Macaque Monkey
  14. 14. Human Visual Cortex fMRI
  15. 15. Simple Cell
  16. 16. Complex cell
  17. 17. Orientation column of visual cortex
  18. 18. Blobs and Ocular dominance Column
  19. 19. AIT = anterior inferior temporal area; CIT = central inferior temporal area; LIP = lateral intraparietal area; Magno = magnocellular layers of the lateral geniculate nucleus; MST = medial superior temporal area; MT = middle temporal area; Parvo = parvocellular layers of the lateral geniculate nucleus; PIT = posterior inferior temporal area; VIP = ventral intraparietal area.) (Based on Merigan and Maunsell 1993.)
  20. 20. Motion in the visual field
  21. 21. MT lesions in Monkey and Man with altered Motion Perception
  22. 22. Depth of vision
  23. 23. Neuronal basis of stereoscopic vision
  24. 24. Illusion of Edges: V2 in Monkey
  25. 25. Inferior Temporal neuron response to Color & Form
  26. 26. Face and Complex Form Recognition ITC
  27. 27. Color Vision
  28. 28. Cones and Color Vision
  29. 29. Surface reflectance
  30. 30. Surface reflected from blue vase in sunlight and skylight
  31. 31. The reflectance function of a natural surface
  32. 32. L+M L-M L+M-S
  33. 33. Receptive field of Primate Ganglion Cells for Color
  34. 34. The Importance of Context in Color Perception
  35. 35. Color blindness Normal Protanope Deuteranope Tritanope
  36. 36. Ishihara Chart for Color blindness testing 21, 2

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