Results of simulation shows that with this method coding loss witch images are compressed is mined and quantity of image processing is good.
实验结果表明，这种方法压缩损失小，图像处理质量较高。
Image sparse representation data got by sparse decomposition method are compressed by quantization and coding.
在图像稀疏分解的基础上，对分解出的数据进行压缩。
Fractal Image-compressed is carried out after DWT or DCT to improve coding speed and get higher CR and PSNR, but quality of reconstructed-Image is not satisfactory.
运用小波域及DCT域下的分形压缩图像方法，提高了编码速度，得到较高的压缩比和信噪比，但重构图像质量还存在块状效应。
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