Fast Transforms in Image Processing: Compression, Restoration, and Resampling

Figure 10

2D and 3D local adaptive filtering of a simulated video sequence: (a) one of noisy frames of a test video sequence (image size 256×256 pixels); (b) a result of 2D local adaptive empirical Wiener filtering (filter window 5×5 pixels); (c) a result of 3D local adaptive empirical Wiener filtering (filter window 5×5 pixels × 5 frames).

(a)

(b)

(c)