Fast Single Image Dehazing via Multilevel Wavelet Transform based Optimization

1 code implementation • 18 Apr 2019 • Jiaxi He, Frank Z. Xing, Ran Yang, Cishen Zhang

In this paper, we present a novel image dehazing approach based on the optical model for haze images and regularized optimization.

Computational Efficiency Dimensionality Reduction +7

Iterative Bayesian Reconstruction of Non-IID Block-Sparse Signals

no code implementations • 7 Dec 2014 • Mehdi Korki, Jingxin Zhang, Cishen Zhang, Hadi Zayyani

Unlike the existing algorithms for block sparse signal recovery which assume the cluster structure of the nonzero elements of the unknown signal to be independent and identically distributed (i. i. d.