How to Design a Compact High-Throughput Video Camera?
Chenxi Qiu, Tao Yue, Xuemei Hu

TL;DR
This paper proposes a low-bit gradient camera scheme combined with a multi-scale CNN for high-throughput video imaging, addressing readout and transmission bottlenecks with promising experimental results.
Contribution
It introduces a novel low-bit gradient camera design and a multi-scale reconstruction CNN to enable efficient high-throughput video acquisition.
Findings
The proposed scheme effectively resolves readout and transmission bottlenecks.
Experimental results demonstrate high-quality image reconstruction.
The method is feasible on both simulated and real data.
Abstract
High throughput video acquisition is a challenging problem and has been drawing increasing attention. Existing high throughput imaging systems splice hundreds of sub-images/videos into high throughput videos, suffering from extremely high system complexity. Alternatively, with pixel sizes reducing to sub-micrometer levels, integrating ultra-high throughput on a single chip is becoming feasible. Nevertheless, the readout and output transmission speed cannot keep pace with the increasing pixel numbers. To this end, this paper analyzes the strength of gradient cameras in fast readout and efficient representation, and proposes a low-bit gradient camera scheme based on existing technologies that can resolve the readout and transmission bottlenecks for high throughput video imaging. A multi-scale reconstruction CNN is proposed to reconstruct high-resolution images. Extensive experiments on…
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