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Effective Image Filtering And Enhancement With Block Diagonal Representation

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Image DE blurring is the process of obtaining the original image by using the knowledge of the degrading factors. Degradation comes in many forms such as blur, noise, and camera Mis-focus. A major drawback of existing restoration methods for images is that they suffer from poor convergence properties, the algorithms converge to local minima, that they are impractical for real imaging applications. Added to its disadvantage, some methods make restrictive assumptions on the PSF or the true image that limits the algorithm’s portability to different applications. In conventional approach, DE blurring filters are applied on the degraded images without the knowledge of blur and its effectiveness. In this area blur will be added and removed by the filters. Median filter is used for the filtering purpose. Then finally we can remove the noise. Add blur and de-blur then apply to restoration. Then you can get good image



Owing to the influence of environment, transmission channel, and other factors, images are inevitably contaminated by noise during acquisition, compression, and transmission, leading to distortion and loss of image information. With the presence of noise, possible subsequent image processing tasks, such as video processing, image analysis, and tracking, are adversely affected. Therefore, image denoising plays an important role in modern image processing systems. Image denoising is to remove noise from a noisy image, so as to restore the true image. However, since noise, edge, and texture are high frequency components, it is difficult to distinguish them in the process of denoising and the denoised images could inevitably lose some details. Overall, recovering meaningful information from noisy images in the process of noise removal to obtain high quality images is an important problem nowadays.


Existing Method:

  • Weiner filter


Proposed Method:

  • Gaussian Noise
  • Median Filter


Block  Diagram:

Image Filtering And Enhancement With Block Diagonal Representation



  • High computational process
  • Disadvantages:
  • Less Accuracy
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