Author
Trussell, H. J., Ercan, Ali Özer, Kingsbury, N. G.
Publication Date
2016
Publication Place
-
IEEE
Subject
Color image processing, Spectral measurement
Type
Document
Language
English
Digital
Yes
Manuscript
No
Library
Özyeğin University
Library Asset ID
2381-8549
Record ID
bbd4f1f9-1119-4566-8009-949b2891718c
Library Location
Electrical & Electronics Engineering
Date
2016
Sample Text
It is well known that many more than three or four spectral measurements are required for accurate measurement of color. Previous work has shown seven to ten measurements can yield accurate results on average, but with significant numbers of errors above the threshold of obvious visual detection. Furthermore, the filters used for these measurements are very difficult to fabricate. We show that such filters are not needed and, in fact, have much poorer performance, in perceptual quality measured in ΔEab, than simple narrow-band filters. This is especially true in the presence of Poisson noise at a level common in current digital cameras. In realistic Poisson noise, our filter sets of up to 12 filters allow average ΔEab values around 0.5, with maximum errors below 3.
DOI
10.1109/ICIP.2016.7533108
