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The Comparative Study of Image Coding Based on DCT and Wavelet Transform
Author(s): 
Pages: 5-7
Year: Issue:  10
Journal: INSTRUMENTATION TECHNOLOGY

Keyword:  离散余弦变换离散小波变换图像编码视频编码峰值信噪比;
Abstract: 介绍基于离散余弦变换和离散小波变换的图像和视频编码算法,对二者进行比较,得出结论.对静止图像编码,小波编码器在压缩比和编码质量方面与传统的离散余弦变换编码相比,均能取得更好的效果,峰值信噪比大约改善1dB左右;而对于视频编码来说,离散小波变换则没有取得明显的效果.
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