| .m program | page | .mat | what it does |
| section621 | 185 | letters | image denoising by brickwall lowpass filtering |
| section622 | 189 | letters | image denoising by Hamming lowpass filtering |
| section63 | 190 | notch | notch filtering of Mariner space probe image |
| section642 | 192 | letters | simple noiseless deconvolution |
| section645 | 195 | letters | Wiener filter deconvolution |
| section662 | 196 | dui | deconvolution of motion-blurred sign |