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Visual information processing of the brain

Writer: DR.GEEKDR.GEEK

2nd-October-2020


Structure of the visual cortex (ventral cortical visual pathway) - propagation with feed forward - hierarchy: simple feature extraction - to complex things - processing in the IT field: "grandmother cell" hypothesis and "population code" hypothesis


How is general object recognition done in the brain?

  • Present images to monkeys; Measure activity patterns of brain V1, V2, V4, IT field • Classify "code" derived from measurement field of IT field by SVM Then you can achieve the same recognition performance as a person - can not do with "code" up to the V4 field



 
 
 

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