Region-Adaptive Transform with Segmentation Prior for Image Compression.
Yuxi LiuWenhan YangHuihui BaiYunchao WeiYao ZhaoPublished in: CoRR (2024)
Keyphrases
- image compression
- energy compaction
- optimal segmentation
- multiscale segmentation
- transform coding
- image regions
- region segmentation
- image segmentation
- segmented images
- segmentation algorithm
- wavelet transform
- reconstructed image
- segmentation result
- subband
- level set
- boundary information
- grey level
- multiscale
- region of interest
- prior information
- segmentation method
- region matching
- homogeneous regions
- segmented regions
- vector quantization
- medical images
- low bit rate
- compression ratio
- compressed images
- subband decomposition
- level set framework
- initial segmentation
- region growing
- input image
- adjacent regions
- region based active contours
- energy function
- intensity distribution
- prior model
- energy functional
- compression scheme
- segmentation scheme
- region boundaries
- seed points
- transform coefficients
- image coding
- background subtraction
- prior knowledge