Adaptive deblocking technique based on separate modes for removing compression effects in JPEG coded images
Amanpreet Kaur, Jagroop Singh, Jaskarn Singh Bhullar · International Journal of Computers and Applications · 2019
Adaptive post-processing filtering techniques significantly improve the perceptual quality of decoded images by alleviating compression artifacts. However, there are still some noticeable compression artifacts in the block-based coded images especially at a low bit rate. In this paper, we proposed a three-step deblocking filter technique that removes the compression artifacts, undesired noise, and corner outliers. The proposed deblocking technique has been applied to the variety of JPEG compressed images and results are compared with existing post-processing techniques on the basis of standard metrics such as PSNR, PSNR-B. Experimental simulation results illustrate that the proposed technique could effectively improve the perceptual quality of various images and outperform existing deblocking technique.