display.slides.printing

display.slides.printing - Some Important Properties of...

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Unformatted text preview: Some Important Properties of Human Vision Some Important Properties of Human Vision CS 450: Introduction to Digital Signal and Image Processing Bryan Morse BYU Computer Science Some Important Properties of Human Vision Introduction Human Vision Some properties of human vision that affect image perception: I Linear and non-linear parts I Nonlinear (approx. logarithmic) encoding of input I Adaptation I Relative-contrast encoding I Varying sensitivity to spatial frequecies I Generally treats brightness and color separately Some Important Properties of Human Vision Psychophysics How Do We Know? Two main ways to measure perception: I Physiological Measure neurological responses (the neurons tell us what they see) I Psychophysical Noninvasive perceptual experiments (the person tells us what they see) Some Important Properties of Human Vision Psychophysics Psychophysics: Discrimination Experiments I Many vision experiments involve comparisons I Two alternative, forced choice experiments: I is it there? (yes/no) I which is brighter, farther apart, etc....
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This note was uploaded on 03/02/2012 for the course C S 450 taught by Professor Morse,b during the Winter '08 term at BYU.

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display.slides.printing - Some Important Properties of...

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