DeScratch 0.9.0.0
DeScratch : Scratches Removing FilterThe DeScratch plugin was designed to remove vertical scratches from films. Also it can be used for removing of horizontal noise lines such as drop-outs from analog VHS captures (after image rotation).The plugin firstly detects scratches, then removes them.It works with every frame, uses spatial information only from current frame.I adapt it to restoration of my old 8 mm films, may be it will be useful to somebody else.Scratch detectingApply some vertical blur to frame copy, for suppression of image thin structure, inclined lines and noise. Search for local extremes of luma in every row, with luma difference criterion. Put these extremes in some map (frame). Optional close vertical gaps in extrems by vertical expanding of extreme points. Test extremes map with length and angle criterions, so select real long scratches only.Scratch removingScratches may be either partially transparent, smooth (with image details), or opaque (with no details or almost destroyed). In the first case, plugin can subtract smooth (blurred) part of luma scratches variation from original image. Therefore, image details are kept. In the second case, plugin replaces scratched pixels by mean luma values from some neighbours pixels (in same row). We have also intermediate case by setting some percent of detail to keep. The plugin have some adaptation of keeped value according to pixels luma difference. In all cases, some nearest neighbours may also partially changed for more smoothed transition.
Conclusion
To conclude DeScratch works on Windows operating system(s) and can be easily downloaded using the below download link according to GNU Public License license. DeScratch download file is only 264 KB in size.DeScratch was filed under the Audio Video category and was reviewed in softlookup.com and receive 5/5 Score.
DeScratch has been tested by our team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. We will recheck DeScratch when updated to assure that it remains clean.
DeScratch user Review
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| Category: | Audio Video |
| Publisher: | Alexander G. Balakhnin |
| Last Updated: | 16/11/2023 |
| Requirements: | Not specified |
| License: | GNU Public License |
| Operating system: | Windows |
| Hits: | 542 |
| File size: | 264 KB |
| Price: | Not specified |
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