PS_Measurement_Theory_1

PS_Measurement_Theory_1 - 1 Approaches to Understanding...

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Unformatted text preview: 1 Approaches to Understanding Vision Natural tasks Natural scene statistics Anatomy Responses of individual neurons Responses of neural populations Perceptual/behavioral performance Mathematical and computational modeling 2 Important Visual Tasks Identification of objects and materials Navigation through the environment Prediction of motion trajectories Estimation of physical dimensions Object manipulation Visual communication Vision is very important for human survival. It involves many important and complex tasks. 3 Object Identification Task 4 Contour Completion Task Do contour elements intersecting an occluding surface belong to the same or different contour? A typical natural sub-task. 5 Contour Classification Task What is the physical source of a given contour? Another typical natural sub-task. Image contours can occur for a number of entirely different physical reasons. They can be the result of surface boundaries, surface markings or shading. There can be little doubt that many perceptual tasks depend critically upon identifying whether a contour is a surface boundary, a marking or a shadow. 6...
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  • Spring '08
  • GEISLER
  • Computational Modeling, natural scene statistics, individual neurons Responses, statistics Anatomy Responses, neural populations Perceptual/behavioral

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PS_Measurement_Theory_1 - 1 Approaches to Understanding...

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