Cluster Computing

, Volume 22, Supplement 2, pp 4457–4478 | Cite as

Optimized gradient histogram preservation with block wise SURE shrinkage for noise free image restoration

  • K. Sakthidasan Sankaran
  • S. Prabha
  • P. M. Rubesh AnandEmail author


The image noise removal and restoration techniques invariably employ the hybrid filter and genetic algorithm approaches for recovery of noise free images. However, the desired level of denoising is not met with these approaches. The usage of adaptive genetic algorithm recovers the quality of the restored image. In order to improve the image denoising performance, an innovative noise removal method named optimized gradient histogram preservation (OGHP) is proposed. Initially, the preprocessing is applied on the noise contaminated image. Subsequently, the preprocessed image is subjected to OGHP noise exclusion procedure and stein’s unbiased risk estimate shrinkage. The resulted noiseless images are passed through the image restoration procedure carried out by employing the proposed adaptive genetic algorithm. The performance evaluation of the proposed method compared with the existing techniques demonstrates the efficiency of the proposed technique in noise elimination and effective restoration of image.


Image restoration Histogram preservation Particle swarm optimization Discrete wavelet transform Genetic algorithm 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • K. Sakthidasan Sankaran
    • 1
  • S. Prabha
    • 1
  • P. M. Rubesh Anand
    • 1
    Email author
  1. 1.Department of Electronics and Communication EngineeringHindustan Institute of Technology and ScienceChennaiIndia

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