Variable-rate colour image quantization based on quadtree segmentation
作者： Y. Hu , C. Li , J. Chuang , C. Lo
DOI: 10.2478/S11772-011-0025-3
关键词:
摘要: A novel variable-sized block encoding with threshold control for colour image quantization (CIQ) is presented in this paper. In CIQ, the palette used has a great influence on reconstructed quality. Typically, higher quality and larger storage cost are obtained when larger-sized CIQ. To cut down while preserving of images, policy quadtree segmentation Experimental results show that proposed method adaptively provides desired bit rates having better qualities comparing to CIQ usage multiple palettes different sizes.
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