Single-pixel video imaging based on dual-channel synthesis

Wu-Chao Zhou; Yu Chen; Jun-Jun Xiao

doi:10.1117/12.2577168

7 October 2020 Single-pixel video imaging based on dual-channel synthesis

Wu-Chao Zhou, Yu Chen, Jun-Jun Xiao

Proceedings Volume 11571, Optics Frontier Online 2020: Optics Imaging and Display; 1157109 (2020) https://doi.org/10.1117/12.2577168
Event: Optics Frontiers Online 2020: Optics Imaging and Display (OFO-1), 2020, Shanghai, China

Abstract

Single-pixel camera，taking advantage of the technique of compressive sensing, is a new imaging scheme proposed in recent years. It essentially uses a single-point detector to replace the traditional array detector of the camera and a few measurements to complete the image reconstruction. In this paper, we propose a dual-channel acquisition system based on the bidirectional reflection characteristics of spatial light modulator and build such a compressive imaging configuration with substantial noise suppression. In addition, we conducted a video reconstruction study based on this system and compared two reconstruction strategies. One is based on video frame decomposition, which decomposes the video sequence into individual video frames and converts the video reconstruction into a sequence of static image reconstructions. The other is to design a fusion matrix, using its low-dimensional matrix for video preview to obtain motion estimation, and then obtaining the reconstructed video through its high-dimensional matrix. We compared the performance of the two approaches by analyzing the data from the actual experimental platform, and realized real-time video capturing and recovery at 40 fps at resolution 128*128.

Citation Download Citation

Wu-Chao Zhou, Yu Chen, and Jun-Jun Xiao "Single-pixel video imaging based on dual-channel synthesis", Proc. SPIE 11571, Optics Frontier Online 2020: Optics Imaging and Display, 1157109 (7 October 2020); https://doi.org/10.1117/12.2577168

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KEYWORDS

Video

Video compression

Reconstruction algorithms

Spatial resolution

Data acquisition

Image restoration

Digital micromirror devices

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