APPLICATIONS OF EDGE PRESERVATION RATIO IN IMAGE PROCESSING

被引：0
|
作者：
Yu, Shaode [1 ]
Zhang, Wentao [1 ,2 ]
Wu, Shibin [1 ]
Li, Xiaolong [1 ,2 ]
Xie, Yaoqin [1 ]
机构：
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Beijing 100864, Peoples R China
[2] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China
来源：
2014 12TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING (ICSP) | 2014年
关键词：
Edge preservation ratio; image quality assessment; image processing; QUALITY ASSESSMENT;
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：
Edge preservation ratio (EPR) is a full-reference metric for objective image quality assessment (IQA). It is under the assumption that key messages to human visual systems are mainly from image structures, and these structures can be extracted by edge detection. EPR measure is twofold: accuracy and robustness, and a color map is synthesized to reveal structure changes before and after image processing. The feasibility and superiority of EPR have been validated via image magnification and noise reduction. Experimental results suggest that: (1) it is challenging to frilly recover lost messages by image magnification; (2) high image contrast may be derived from concise and distinct image structures.
引用
收藏
页码：698 / 702
页数：5
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