文档介绍:第 29 卷第 2 期 计 算 机 应 用 研 究 .29 .2
2t.of Industrial Engineering,
&
Tsinghua University, Beijing 100084, China; 3.Beijing Research Center of Urban Systems Engineering, Beijing 100089, China)
Abstract: 唱 唱
Th唱is paper proposed an adaptive selection filtering strategy algo.rithm on, noise density detection for the filter prob
lem th,at gray scale was polluted by salt a,nd pepper noise of different degree Firstly it detected the noise density of the.polluted
image ,according3 t×o3the detection results the image was judged as either light polluted image.or severe pollu,ted image Fo3r ×th3e
form5er×5it took windows switching median filter algorithm based on statistica.l threshold For the latter it took first 唱
last windows switching median filter algorithm based on statistical threshold Experimental results indicate that the.pro
pKoesyedwaolrgdorsi:thm not only has strong;adaptability but al;so has better image d;etail preservati;on and strong denoising ability
salt and pepper noise density detection statistical threshold median filter noise detection