Walsh-Hadamard Kernel Feature-Based Image Compression Using DCT with Bi-Level Quantization.
Dibyalekha NayakKananbala RayTejaswini KarChiman KwanPublished in: Comput. (2022)
Keyphrases
- bi level
- walsh hadamard
- image compression
- adaptive quantization
- gray scale
- image matching
- transform coefficients
- discrete cosine transform
- pricing model
- discrete cosine transformation
- dct domain
- quantization step
- transform domain
- support vector
- entropy coding
- kernel methods
- quantization error
- low bit rate
- spatial domain
- jpeg images
- kernel function
- computational complexity
- dct coefficients
- rate distortion
- image processing
- computer vision
- wavelet transform
- image features
- machine learning
- matching algorithm
- blocking artifacts
- subband
- pattern recognition
- gray level
- post processing
- motion estimation
- support vector machine
- quantization table
- image analysis