Comparison of Pyramidal and Packet Wavelet Coder for Image Compression Using Cellular Neural Network (CNN) with Thresholding and Quantization.
S. RahulJ. VigneshS. Santhosh KumarM. BharadwajN. VenkateswaranPublished in: ITNG (2007)
Keyphrases
- cellular neural networks
- image coder
- image coding
- subband
- wavelet coefficients
- multiresolution
- space frequency quantization
- fixed point
- denoising
- quantization scheme
- rate distortion
- wavelet packet
- image compression
- uniform quantization
- scalar quantization
- wavelet decomposition
- wavelet transform
- neural network
- image segmentation
- entropy coding
- successive approximation
- wavelet domain
- wavelet denoising
- low bit rate image coding
- edge detection
- filter bank
- transform coding
- bit rate
- post processing
- bit plane
- multiscale
- white blood
- gray level
- distortion measure
- bitstream
- quantization error
- wavelet coding
- efficient compression
- feature vectors
- computational complexity
- entropy constrained trellis coded quantization