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Comparative Analysis of Image Denoising Based on DCT and DWT
Wei Yu Lu(륙위여),Songhyun Yu(유송현),Jechang Jeong(정제창) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
Digital images are often interfered by imaging equipment and external environmental noise during digitization and transmission. It is called a noisy image. Image denoising is the process of reducing the noise of noisy images. This paper briefly introduces the concept of image noise using DCT and DWT denoising algorithms, and compares the denoising effects of DCT and DWT through experiments.