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CVPR
2010
IEEE
15 years 6 months ago
Estimation of Image Bias Field with Sparsity Constraints
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...
Yuanjie Zheng and James C. Gee
ICB
2009
Springer
586views Biometrics» more  ICB 2009»
15 years 4 months ago
Face Image Quality Evaluation for ISO/IEC Standards 19794-5 and 29794-5
Face recognition performance can be significantly influenced by face image quality. The approved ISO/IEC standard 19794-5 has specified recommendations for face photo taking for...
Jitao Sang, Zhen Lei, Stan Z. Li
MM
2009
ACM
206views Multimedia» more  MM 2009»
15 years 2 months ago
Adaptive, selective, automatic tonal enhancement of faces
This paper presents an efficient, personalizable and yet completely automatic algorithm for enhancing the brightness, tonal balance, and contrast of faces in thumbnails of online...
Hrishikesh Aradhye, George Toderici, Jay Yagnik
DPHOTO
2009
116views Hardware» more  DPHOTO 2009»
14 years 7 months ago
Interleaved imaging: an imaging system design inspired by rod-cone vision
Under low illumination conditions, such as moonlight, there simply are not enough photons present to create a high quality color image with integration times that avoid camera-sha...
Manu Parmar, Brian A. Wandell
BMVC
2002
15 years 12 days ago
Orientation Correlation
A new method of translational image registration is presented: orientation correlation. The method is fast, exhaustive, statistically robust, and illumination invariant. No existi...
A. J. Fitch, Alexander Kadyrov, William J. Christm...