| 一种彩色图像压缩编码改进方法 |
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| 引用本文： | 胡双炎,夏若安.一种彩色图像压缩编码改进方法[J].科学技术与工程,2005,5(17):1305-13081312. |
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| 作者姓名： | 胡双炎 夏若安 |
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| 作者单位： | 湖南大学软件学院,长沙,410082 |
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| 摘 要： | 在分析以往灰度图像及彩色图像压缩方法的基础上,把彩色图像从RGB色彩空间转变到YUV色彩空间,充分利用彩色图像三分量之间的相关性,对其中Y主分量进行小波变换编码,其它两次分量(U、V分量)进行DCT编解码;并利用人类视觉特性和网络特性,提出了一种编码速度快、信噪比高、压缩比高的算法。
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| 关 键 词： | RGB色彩空间 YUV色彩空间 小波变换 DCT 图像压缩 视觉特性 |
| 文章编号： | 1671-1815(2005)17-1305-05 |
An Improved Method for Color Image Compression Coding |
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| Hu ShuangYan;Xia RuoAn.An Improved Method for Color Image Compression Coding[J].Science Technology and Engineering,2005,5(17):1305-13081312. |
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| Authors: | Hu ShuangYan;Xia RuoAn |
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| Abstract: | Based on previous compression method on grey image and color image, an improved method is proposed with high coding and decoding rate, good PSNR and high compression-ratio. Firstly the color image is transformed from RGB color space to YUV color space. Making use of the correlation of three color components of the color image, the Y main component is compressed using wavelet transformation coding and the other two subordinate components U and V are coded and decoded using DCT by human visual properties and internet properties. |
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| Keywords: | RGB color space YUV color space wavelet transformation discrete consine transformation image compresstion human visual properties |
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