Older desktop software sometimes markets a "deblur" or "depixelate" feature. These use standard sharpening filters or edge detection. They can make a blurry text marginally more readable, but they cannot reconstruct a face from a mosaic. They simply increase contrast at the edges of the blur, which often makes the image look worse.

Specifically targets common censorship methods like mosaic and pixelation.

The censor was gone. But the mirror remained. And it was asking a harder question than any app could answer: Now that you know—what will you become?

explicitly block the reconstruction of nudity, intimate content, or sensitive private information. 5. Conclusion

The goal of these methods is usually to protect privacy (faces, license plates) or to comply with content guidelines regarding nudity or violence.