An Image Compression Algorithm Based on Quantization and DWT-BP Neural Network.
Shumei LiuHongmei YangJeng-Shyang PanTao LiuBin YanYuying GuPublished in: EITCE (2021)
Keyphrases
- compression algorithm
- bp neural network
- quadtree decomposition
- block coding
- lossless data compression
- wavelet based image
- image data
- input image
- jpeg images
- neural network
- cosine transform
- quantization step
- file size
- multiscale
- data compression
- compression ratio
- fault diagnosis
- image compression
- multiresolution
- bp neural network algorithm
- low frequency
- bitstream
- neural network model
- image segmentation
- image coding
- compression scheme
- quantization error
- optimization algorithm
- expert systems
- high frequency
- entropy coding
- high compression ratio
- wavelet coefficients
- back propagation
- artificial neural networks
- high quality
- knowledge base