Image resolution enhancement using edge extraction and sparse representation in wavelet domain for real-time application.
Volodymyr I. PonomaryovHerminio Chavez-RomanVíctor González-HuitrónPublished in: Real-Time Image and Video Processing (2014)
Keyphrases
- image resolution enhancement
- sparse representation
- wavelet domain
- denoising
- dictionary learning
- multiresolution
- sparse coding
- wavelet transform
- face recognition
- spatial domain
- multiscale
- image denoising
- image classification
- compressive sensing
- wavelet coefficients
- test images
- human visual system
- signal processing
- subband
- high frequency
- face images
- image patches
- frequency domain
- object recognition
- computational complexity
- high quality
- natural images
- machine learning