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0下载:
这是用提升小波变换与嵌入零树编码实现的256色灰度BMP图像压缩与解压缩的程序。-wavelet transform and upgrade embedded zerotree coding to achieve the 256-color grayscale BMP image compression and decompression procedures.
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使用Matlab编程实现发送端信源编码(图像压缩)和接收端信源解码(图像重建),其中的编解码算法可采用基于DCT变换的JPEG图像压缩标准;测试图像加噪,然后对去噪后的图像进行压缩与重建,分析压缩性能;研究基于下采样和内插的图像压缩算法;可将8bit/pixel灰度图像扩展至24bit/pixel彩色图像,或者采用无损压缩算法对图像压缩。-Sender using the Matlab programming source coding (image compression) and the r
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该程序能读取彩色、灰度图像,对灰度图像进行JPEG基线模式压缩。适用于对JPEG压缩标准进行了解的初学者入门。-This project could read a color or grayscale image, and compress a grayscale image on JPEG Baseline Mode, which is adapt to a junior who tries to learn JPEG Standard.
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程序功能:模拟DCT编码解码过程,生成带“块效应”的图像
实验图片:lena.jpg(512*512)
步骤:彩色图像→灰度图像→DCT→量化→反量化→IDCT→重构图像并保存- Program features: Analog DCT encoding and decoding process, generated with the " block effect" image Experimental Image: lena.jpg (512* 512)
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