An Improved Image Compression Algorithm Using 2D DWT and PCA with Canonical Huffman Encoding.
Rajiv RanjanPrabhat KumarPublished in: Entropy (2023)
Keyphrases
- compression algorithm
- block coding
- quadtree decomposition
- wavelet based image
- arithmetic coder
- image data
- lossless data compression
- input image
- arithmetic coding
- file size
- high compression ratio
- jpeg images
- data compression
- embedded image
- compression ratio
- image compression
- jpeg ls
- cosine transform
- multiscale
- image segmentation
- compression scheme
- feature extraction
- coding scheme
- test images
- image coding
- principal component analysis
- huffman coding
- feature selection
- bitstream
- face recognition