Sub-Rayleigh imaging via undersampling scanning based on sparsity constraints

Xue Chang-Bin^{1, 2}, Yao Xu-Ri^{2, †}, Li Long-Zhen², Liu Xue-Feng², Yu Wen-Kai¹, Guo Xiao-Yong^{2, ‡}, Zhai Guang-Jie², Zhao Qing¹

The simulated demonstration of sub-Rayleigh imaging via undersampling scanning. (a) The object. (b) The PSF of optical imaging system. (c) The image obtained by the conventional scanning. (d) The image reconstructed by our method.