Blocking Effect Reduction of JPEG Compressed Image


Authors : Vivek Kumar; Bhuvnesh singh; Nitin kashyap; Suresh Kumar; Javed Miya

Volume/Issue : Volume 6 - 2021, Issue 7 - July

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/3l3SIMU

The point of this project was to create algorithm that will produce some improvement in quality of JPEG image, by removing blocking artifacts JPEG decompressed images. The obstructing effect are grouped into three sorts of noise: staircase artifact, corner outlier, grid artifact. The proposed algorithm removes these blocking effects efficiently. The postprocessing algorithm comprise of three stages. In this project we will learn about compression and decompression of JPEG images. For compression we have used the Discrete cosine transform (DCT) technique using the Huffman algorithm and adaptive filter. Converting the image into a 2d matrix using Discrete cosine transform (DCT) and DCT2 and then removing redundant values according to the algorithm. We have then used Inverse discrete cosine transform (IDCT) to form the compressed image.

Keywords : Obstructive Artifacts, JPEG

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