Comparative Analysis of Image Denoising Based on DCT and DWT

초록

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.