Energy Compaction-Based Image Compression Using Convolutional AutoEncoder.
Zhengxue ChengHeming SunMasaru TakeuchiJiro KattoPublished in: IEEE Trans. Multim. (2020)
Keyphrases
- energy compaction
- restricted boltzmann machine
- image compression
- image coding
- subband
- deep learning
- rate distortion
- transform coding
- transform coefficients
- wavelet decomposition
- perfect reconstruction
- vector quantization
- wavelet transform
- conditional random fields
- multiresolution
- sparse coding
- compressed images
- shift invariant
- feature vectors
- vector quantizer
- filter bank
- compression efficiency
- unsupervised learning
- reconstructed image
- compression ratio
- coding efficiency
- low pass
- low bit rate
- high frequency
- natural images
- coding gain