HVS-aware ROI-Based illumination and color restoration

Authors:
Heechul Han;Kwanghoon Sohn
Affiliations:
Digital Media Communication R&D Center, Samsung Electronics and Biometric Engineering Research Center, Dept. of Electrical & Electronic Eng., Yonsei University;Biometric Engineering Research Center, Dept. of Electrical & Electronic Eng., Yonsei University
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

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Abstract

We present the framework for Human visual system (HVS)- aware Region of interest (ROI)-based Illuminatiuon and Color Restoration called 'HRICR' for restoring distorted images taken under the arbitrary illumination environment. The proposed method is effective for appropriate illumination and vivid color restoration as well as suppression of artifacts such as HALO and noise amplification. We introduce the ROI-based parameter estimation dealing with small shadow area against spacious well-exposed background in an image for the touch-screen camera. The perceptual difference threshold is obtained using just-noticeable-difference (JND) based on HVS in response to user interaction.