A JPEG-like texture compression with adaptive quantization for 3D graphics application

C. H. Chen*, Chen-Yi Lee

*Corresponding author for this work

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

DCT-based compression is widely used in video and image compression for a high compression ratio, but it suffers from random-access problem when applied to texture compression. In this paper we present a JPEG-Like DCT-based texture compression technique which is suitable for 3D graphics rendering system. We apply a simple adaptive quantization on an 8 × 8 block-size texture, such that the length of the encoded bit stream of one block can be approximated to the target. A pre-defined quantizer scale is encoded with the bit stream with a small overhead. Our technique achieved a high compression ratio, quality control of true color texture, and random access of texture data.

原文English
頁(從 - 到)29-40
頁數12
期刊Visual Computer
18
發行號1
DOIs
出版狀態Published - 1 二月 2002

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