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文件名称:Untitled2
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- 上传时间：2015-04-19
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1、将图像Chrysanthemum按质量等级分别为10、30、50、70、90存储成jpg文件，并分别命名为Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。
2、观察并说明jpg文件质量的变化情况。
3、计算压缩比，并画出压缩比随质量等级变化的曲线。
4、读取文件：Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。
5、计算峰值信噪比并画出峰值信噪比随质量等级变化的曲线。
-1, the image by respectively according to the quality grade 10, 30, 50, 70, 90 stored as JPG file, and respectively named Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
2, observe and explain the change of quality JPG files.
3, calculate the compression ratio, and draw the curve of the compression ratio change with quality grade.
4, read the file: Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
5, calculate the peak signal-to-noise ratio and draw the curve of the peak signal-to-noise ratio change with quality grades.
2、观察并说明jpg文件质量的变化情况。
3、计算压缩比，并画出压缩比随质量等级变化的曲线。
4、读取文件：Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。
5、计算峰值信噪比并画出峰值信噪比随质量等级变化的曲线。
-1, the image by respectively according to the quality grade 10, 30, 50, 70, 90 stored as JPG file, and respectively named Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
2, observe and explain the change of quality JPG files.
3, calculate the compression ratio, and draw the curve of the compression ratio change with quality grade.
4, read the file: Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
5, calculate the peak signal-to-noise ratio and draw the curve of the peak signal-to-noise ratio change with quality grades.
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