SCIHTBB: Sparsity constrained iterative hard thresholding with Barzilai-Borwein step size.
Zhipeng XieSongcan ChenPublished in: Neurocomputing (2011)
Keyphrases
- step size
- hard thresholding
- wavelet coefficients
- convergence rate
- cost function
- convergence speed
- denoising
- quantization step
- image denoising
- variable step size
- image processing
- sparse representation
- standard deviation
- high quality
- genetic algorithm
- steepest descent method
- wavelet transform
- wavelet domain
- high frequency
- frequency domain
- particle swarm optimization
- computer vision