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Conference Paper
Enhancement of TIMD in ECM with Skipped Non-Angular Blending
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- Authors
- Kyuri Kim, Gihwa Moon, Jinho Lee, Jae-Gon Kim
- Issue Date
- 2026-01
- Citation
- International Workshop on Advanced Image Technology (IWAIT) 2026, pp.1-1
- Publisher
- NCKU
- Language
- English
- Type
- Conference Paper
- Abstract
- In pursuit of higher compression efficiency beyond the Versatile Video Coding (VVC) standard, the Joint Video Experts Team (JVET) is developing the Enhanced Compression Model (ECM) as a platform for exploring next-generation coding technologies. Among various intra prediction tools, Template-based Intra Mode Derivation (TIMD) derives prediction modes at the decoder side without mode signaling and further improves coding efficiency through candidate fusion. In this paper, we propose a selective fusion method for TIMD that skips the blending of a non-angular mode when two angular modes exhibit high similarity. Experimental results show that this approach eliminates redundant fusion, thereby improving prediction accuracy and enhancing coding efficiency.
- KSP Keywords
- Coding efficiency, Compression model, Fusion method, Intra mode, Intra-prediction, Next-generation, Prediction accuracy, Prediction mode, compression efficiency, template-based, video coding