An Improved Image Denoising Method Based on Wavelet Thresholding

来源 :信号与信息处理(英文) | 被引量 : 0次 | 上传用户:yyj520505
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
VisuShrink, ModineighShrink and NeighShrink are efficient image denoising algorithms based on the discrete wavelet transform (DWT). These methods have disadvantage of using a suboptimal universal threshold and identical neighbouring window size in all wav
其他文献
目的:检测杀虫双对几种水生脊椎动物的微核及核异常效应。方法:采用生物激核测定技术。结果:阳性对照药物丝裂霉素C对鲢鱼的红细胞微核率有显著影响,且有明显的剂量—效应关
采用电生理学方法,观察了体感Ⅰ区对A<sub>3</sub>和C纤维的影响及其可能的外周途径。结果表明,刺激体感Ⅰ区可明显抑制A(?)和C纤维的放电频率。损毁体感Ⅰ区皮层后,A<sub>3</s
Model based implementation of a novel nonlinear adaptive filter for extraction of time varying sinusoids using Xilinx system generator has been presented in thi
如果有人问,世界上最长寿的动物是什么?小朋友们一定会说是龟.其实不然,世界上最长寿的动物应该是珊瑚!
期刊
The physical properties of water, particularly the nature of interfacial water and pH shifts associated with dynamics of the hydronium ion near any surface, may
In this paper a novel multicarrier modulation system called Complex Wavelet Packet Modulation (CWPM) has been proposed. It is based on using the Complex Wavelet
The high peak-to-average power ratio (PAPR) is one of the serious problems in the application of OFDM technology. In this paper, an improved partial transmit se