A Perceptual Model for Disparity SIGGRAPH 2011

2011/09/27ked

Authors

Piotr Didyk, Tobias Ritschel, Elmar Eisemann,

Karol Myszkowski, Hans-Peter Seidel

Outline

Depth cues Experiment Model Applications

Outline

Depth cues Experiment Model Applications

Reproduce 3D objects on the screen

Vergence

Accommodation

Discussion

disparity frequency &disparity magnitude

Discussion

Outline

Depth cues Experiment Model Applications

One JND

Definition

1 arc second: 1/3600 degree 1 arc minute = 1/60 degree

CPD: Cycles Per Degree “the ability to distinguish fine detail”

disparity frequency &disparity magnitude

Experiment to detect disparity threshold

Remove vergence

Remove accommodation

max. disparity

Looks like

Outline

Depth cues Experiment Model Applications

Fitting

Quadratic polynomial Log-space frequency

Goodness of fit

Transducer

Transducer

Transducer

Transducer

Transducer

Transducer

Laplacian decomposition

Perceptual model

multi-band decomposition

Perceived distortion

B = 4

Outline

Depth cues Experiment Model Applications

Thx.