Technical Program

Paper Detail

Paper:IMDSP-P13.3
Session:Image and Video Coding and Quality
Time:Friday, May 21, 15:30 - 17:30
Presentation: Poster
Topic: Image and Multidimensional Signal Processing: Image Quality
Title: SPATIAL SELECTIVITY MODULATED JUST-NOTICEABLE-DISTORTION PROFILE FOR VIDEO
Authors: Zhongkang Lu; Institute for Infocomm Research 
 Weisi Lin; Institute for Infocomm Research 
 Xiaokang Yang; Institute for Infocomm Research 
 Ee Ping Ong; Institute for Infocomm Research 
 Susu Yao; Institute for Infocomm Research 
Abstract: Both visual sensitivity and spatial selectivity determine theoverall visibility threshold at each pixel in an image, accordingto the physiological and psychological evidence towards the humanvision system (HVS). Visual sensitivity can be decided by anexisting estimator for Just-Noticeable-Distortion (JND). In thispaper, a computational model is proposed for incorporating aselectivity measure into the JND profile so that more effectivenoise shaping is possible in various applications. Experimentalresults with noise-embedded video sequences confirm thatintroduction of spatial selectivity enhances the performance ofJND profile used in noise shaping.
 
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