Image compression by moment-preserving edge detection.
Shyi-Chyi ChengWen-Hsiang TsaiPublished in: Pattern Recognit. (1994)
Keyphrases
- image compression
- edge detection
- image processing
- vector quantization
- wavelet transform
- multiscale
- subband
- edge detector
- compression ratio
- compression scheme
- low bit rate
- compression algorithm
- noisy images
- image enhancement
- compressed images
- noise reduction
- image details
- reconstructed image
- noise removal
- discrete cosine transform
- image transmission
- signal to noise ratio
- progressive transmission
- sobel operator
- morphological operations
- region growing
- edge points
- noise estimation
- step edges
- edge map
- lossless compression
- image quality