A Review On Video Denoising Methods

Digital images and videos have great influence in daily life applications such as satellite television, surveillance application, medical image application as well as in areas of research and technology such as geographical information systems and observational astronomy. Consequently noise reduction (denoising) is of key importance in multimedia applications, as digital images and videos are often contaminated by noise. In the process of capturing, recording and transmitting video signals are corrupted by noise, and accordingly denoising is required for visual improvement or as a pre-processing step for subsequent processing tasks, such as compression and analysis. Developing an efficient denoising method for removing noise from the videos, before processing them for further analysis is a great challenge for the researchers. This review covers a summary of important works in the field of video denoising. The advantages and disadvantages of various denoising methods are also discussed. This paper presents the effects of applying various noise types to image models and explores the results of using various denoising methods.