Here are some demos, codes, and supplementary files:

MATLAB GUI:

material matching task (material probe): MatMix 1.0

light matching task: MixIM 1.0

 

MATLAB + PTB:

4-category discrimination task (Zhang, de Ridder, & Pont, 2018):

PTB code + stimuli (ZIP format, 3MB)

 

ordering task

MDS task (glossiness perception): PTB code + stimuli (ZIP format, 6MB, not published yet, all rights reserved)

 

rating (15 images simultaneously): (not published yet)

 

light map metrics based on SH (2018, under revision):

.m code + light maps (ZIP format, 8 MB)

.m code without light maps (ZIP format, 8KB)

 

Image features (posterization & thresholding)

.m code + stimuli (ZIP format, 4MB)

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IM (importance map) v.s. LM (light map)