Spatial selectivity modulated just-noticeable-distortion profile for video

被引：0
|
作者：
Lu, ZK [1 ]
Lin, WS [1 ]
Yang, XK [1 ]
Ong, ER [1 ]
Yao, SS [1 ]
机构：
[1] Agcy Sci Technol & Res, Inst Infocomm Res, Singapore 119613, Singapore
来源：
2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL III, PROCEEDINGS: IMAGE AND MULTIDIMENSIONAL SIGNAL PROCESSING SPECIAL SESSIONS | 2004年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Both visual sensitivity and spatial selectivity determine the overall visibility threshold at each pixel in an image, according to the physiological and psychological evidence towards the human vision system (HVS). Visual sensitivity can be decided by an existing estimator for Just-Noticeable-Distortion (JND). In this paper, a computational model is proposed for incorporating a selectivity measure into the JND profile so that more effective noise shaping is possible in various applications. Experimental results with noise-embedded video sequences confirm that introduction of spatial selectivity enhances the performance of JND profile used in noise shaping.
引用
收藏
页码：705 / 708
页数：4
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