Analysis and architecture design of aggregation in BM3D

BM3D (Block-Matching and 3D Filtering) [1] [2] algorithm has the best performance of denoising so far. BM3D algorithm, which is a general Image/Video denoising algorithm, takes good use of the spatial correlation of the image and temporal correlation of the video. BM3D algorithm includes three steps: the first is Block-Matching, the second is 3D-Filtering, and the third is Aggregation. As for Block-Matching, several papers about H.264 encoding have introduced this method [3] [4] [5]. For 3D denoising, many good algorithms have been introduced [6]. But for aggregation issue, nothing has been discussed about ASIC architecture implementation. In this paper, we propose a solution that can effectively realize aggregation.