Image denoising exploiting inter- and intra-scale dependency in complex wavelet domain

CASIA OpenIR > 09年以前成果

	Image denoising exploiting inter- and intra-scale dependency in complex wavelet domain
	Yan, Fengxia 1,2; Cheng, Lizhi 1
发表期刊	CHINESE OPTICS LETTERS
	2007-03-10
卷号	5 期号:3 页码:156-159
文章类型	Article
摘要	A new locally adaptive image denoising method, which exploits the intra-scale and inter-scale dependency in the dual-tree complex wavelet domain, is presented. Firstly, a recently emerged bivariate shrinkage rule is extended to a complex coefficient and its neighborhood, the corresponding nonlinear threshold functions are derived from the models using Bayesian estimation theory. Secondly, an adaptive weight, which is able to capture the inter-scale dependency of the complex wavelet coefficients, is combined to the obtained bishrink threshold. The experimental results demonstrate an improved denoising performance over related earlier techniques both in peak signal-to-noise ratio (PSNR) and visual effect.
WOS标题词	Science & Technology ; Physical Sciences
关键词[WOS]	SHRINKAGE
收录类别	SCI
语种	英语
WOS研究方向	Optics
WOS类目	Optics
WOS记录号	WOS:000255023400010
引用统计
文献类型	期刊论文
条目标识符	http://ir.ia.ac.cn/handle/173211/9471
专题	09年以前成果
作者单位	1.Natl Univ Def Technol, Sch Sci, Changsha 410073, Peoples R China 2.Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China
第一作者单位	中国科学院自动化研究所
推荐引用方式 GB/T 7714	Yan, Fengxia,Cheng, Lizhi. Image denoising exploiting inter- and intra-scale dependency in complex wavelet domain[J]. CHINESE OPTICS LETTERS,2007,5(3):156-159.
APA	Yan, Fengxia,&Cheng, Lizhi.(2007).Image denoising exploiting inter- and intra-scale dependency in complex wavelet domain.CHINESE OPTICS LETTERS,5(3),156-159.
MLA	Yan, Fengxia,et al."Image denoising exploiting inter- and intra-scale dependency in complex wavelet domain".CHINESE OPTICS LETTERS 5.3(2007):156-159.