Enhanced Color Palette Modeling for Lossless Screen Content Compression

no code implementations • 22 Dec 2023 • Hannah Och, Shabhrish Reddy Uddehal, Tilo Strutz, André Kaup

Compared to VVC and HEVC, the proposed method needs roughly 0. 44 and 0. 17 bits per pixel less on average for 24-bit screen content images, respectively.

Image Segmentation For Improved Lossless Screen Content Compression

no code implementations • 10 May 2023 • Shabhrish Reddy Uddehal, Tilo Strutz, Hannah Och, André Kaup

For SCIs with natural regions, the proposed method achieves a bit-rate reduction of up to 11. 6% and 1. 52% with respect to HEVC and the previous version of the SCF.

Image Segmentation Semantic Segmentation

Improved Screen Content Coding in VVC Using Soft Context Formation

no code implementations • 9 May 2023 • Hannah Och, Shabhrish Reddy Uddehal, Tilo Strutz, André Kaup

Screen content images typically contain a mix of natural and synthetic image parts.