Locating the position of objects in non-line-of-sight based on time delay estimation

Wang Xue-Feng^{1, 2}, Wang Yuan-Qing^{1, †,}, Su Jin-Shan^{1, 2}, Yang Xing-Yu^{1, 2}

Experiment setup of our system scene. The laser light is illuminated onto a diffuser at point D, transmits through the diffuser and continues to scatter onto the hidden object, then the light from the hidden object can scatter back to the diffuser again, finally the four APDs receive the backscatter signals.