Bio-inspired color image enhancement

Supplementary Material for IS&T / SPIE Electronic Imaging 2004

Link to original raw images

Comparison between MSRCR retinex (demo version) and our method
(click on the image to see the full resolution)

aLogtreeUnil.jpg btreeUnil.jpg treeUnilMSR.jpg
log-encoded Retinex with 1 filter MSRCR (Demo).

“Retinex with 1 filter” method applied on the 3 components of a RGB image or on the luminance channel of a YCbCr image

dLogcoupole.jpg coupole16.ppm_colorChannel_1scaled_all_resultsScaled.jpg ecoupole16.jpg
log-encoded RGB YCbCr


log-encoded retinex
fLogvertical.jpg gvertical16.jpg
hLogcolorCheck.jpg icolorCheck16.jpg
jLogauto16.jpg kauto16.jpg
lLogOfficeLightOnPerson.jpg mOfficeLightOnPerson.jpg
nLogOfficeLightOffPerson.jpg oOfficeLightOffPerson.jpg
pLogcentreSportif.jpg qcentreSportif.jpg