In Japan, adult videos (AV) are legally required to have "mosaics" (blurring or pixelation) over certain areas. "Mosaic patched" or "unmosaicked" versions are created using deep learning and AI tools to estimate and reconstruct the original image beneath the blur. 4K Upscaling
: This is a specific identifier or model tag often used in media databases to categorize high-definition content. 4K Resolution ssis698 4k reducing mosaic patched