|Hybrid image noise reduction algorithm based on genetic ant colony and PCNN|
|Chong Shen; Ding Wang; Shuming Tang; Huiliang Cao; Jun Liu
|发表期刊||The Visual Computer
|摘要||Pulse Coupled Neural Network (PCNN) has gained widespread attention as a nonlinear filtering technology in reducing the noise while keeping the details of images well, but how to determine the proper parameters for PCNN is a big challenge. In this paper, a method that can optimize the parameters of PCNN by combining the genetic algorithm (GA) and ant colony algorithm is proposed, which named as GACA, and the optimized procedure is named as GACA-PCNN. Firstly, the noisy image is filtered by median filter in the proposed GACA-PCNN method; then, the noisy image is filtered by GACA-PCNN constantly and the median filtering image is used as a reference image; finally, a set of parameters of PCNN can be automatically estimated by GACA, and the pretty effective denoising image will be obtained. Experimental results indicate that GACA-PCNN has a better performance on PSNR (peak signal noise rate) and a stronger capacity of preserving the details than previous denoising techniques.|
Ant Colony Algorithm
Chong Shen,Ding Wang,Shuming Tang,et al. Hybrid image noise reduction algorithm based on genetic ant colony and PCNN[J]. The Visual Computer,2016(1):1-12.
Chong Shen,Ding Wang,Shuming Tang,Huiliang Cao,&Jun Liu.(2016).Hybrid image noise reduction algorithm based on genetic ant colony and PCNN.The Visual Computer(1),1-12.
Chong Shen,et al."Hybrid image noise reduction algorithm based on genetic ant colony and PCNN".The Visual Computer .1(2016):1-12.