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| RED-package | RED: Regularization by Denoising |
| cameraman | Photograph of a cameraman |
| degrade | Degradation of an image |
| error | Error measurements of images |
| fft_convolve | Convolution of two images via FFT |
| lenna | Photograph of Lenna |
| MAE | Error measurements of images |
| MSE | Error measurements of images |
| PSNR | Error measurements of images |
| RED | RED: Regularization by Denoising |
| register | Registration parameter estimation |
| resample | Resampling of an image |
| shift | shifting operator |
| transform | Transform an image |