| JPEG算法研究及实现 |
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| 引用本文： | 邱磊. JPEG算法研究及实现[J]. 计算机时代, 2009, 0(9): 52-53,56 |
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| 作者姓名： | 邱磊 |
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| 作者单位： | 武汉船舶职业技术学院计算机教研室,湖北,武汉,430050 |
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| 摘 要： | 在相同图像质量条件下，JPEG文件拥有比其他图像文件格式更高的压缩比。文章描述了JPEG的文件格式，实现了BMP图像格式到JPEG图像格式的转换，从而达到了图像压缩的目的。实验结果表明，该算法能够通过选择不同的量化因子得到不同的压缩比和质量效果，生成的JPEG图像符合JPEG图像的标准格式。
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| 关 键 词： | JPEG 压缩编码 量化因子 图像压缩比 |
Research and Realization of JPEG Algorithm |
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| QIU Lei. Research and Realization of JPEG Algorithm[J]. Computer Era, 2009, 0(9): 52-53,56 |
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| Authors: | QIU Lei |
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| Affiliation: | QIU Lei (Staff Room of Computer, Wuhan Institute of Shipbuilding Technology, Wuhan 430050, China) |
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| Abstract: | Under conditions of same image quality, JPEG file format has higher compression ratio than other image file formats. Firstly the JPEG file format is given, and then the transition from BMP-format image to JPEG-format image is realized, the aim of image compression is achieved. Experiment results indicate that the algorithm can obtain different compression ratio and quality effect through selecting different quantification factors and generated JPEG-images comply with the standard format of JPEG-image. |
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| Keywords: | JPEG |
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