离散余弦变换在图像压缩算法中的研究 (Research of Discrete Cosine Transform for Image Compression Algorithm).
Fei FengPeixue LiuXiaoyan LiNanbin YanPublished in: 计算机科学 (2016)
Keyphrases
- jpeg images
- compression algorithm
- discrete cosine transform
- image compression
- quadtree decomposition
- image blocks
- wavelet based image
- blocking artifacts
- discrete fourier transform
- coded images
- dct coefficients
- block coding
- image segmentation
- compression ratio
- image data
- input image
- compression scheme
- data compression
- low bit rate
- test images
- reconstructed image
- transform domain
- multiscale
- high resolution
- wavelet transform
- image processing
- post processing
- lossy compression
- compressed images
- jpeg compression
- subband