METHOD AND APPARATUS OF IMAGE DENOISING USING MULTI-SCALE BLOCK REGION DETECTION

摘要

A method and apparatus for removing an image noise by separating the multi-scale block area is disclosed. Video noise reduction method, comprising the steps of comparing each pixel value of the neighboring block which is located in the vicinity of the pixel value of the center block in the reference for dividing the input image area and the center block calculates a difference value; The step of comparing the difference value with a predetermined threshold value binarization neighboring blocks, based on the binarized neighboring blocks determine the region attributes for the reference region; To filter according to a region property of the reference area by a step of removing the noise of the input image. Thus, the complexity has an advantage in terms of processing time to perform detection for a small region, and the restoration is carried out, without distortion to the planar area compared to week ever image quality, details that there is an effect that is preserved as much as possible.