Prof. Yuzhen Zhang Profile

Prof. Yuzhen Zhang

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Proceedings Article | 4 December 2024 Paper

Research on compound-eye array wide-field image synthesis technique based on GPU accelerated

Yingjun Sang, Bowen Wang, Mingzhi Cao, Yuzhen Zhang, Chao Zuo

Proceedings Volume 13283, 132831G (2024) https://doi.org/10.1117/12.3035180

KEYWORDS: Image registration, Cameras, Image fusion, Imaging systems

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Utilizing compound eye camera array to capture multiple images for field-of-view stitching is one of the methods to acquire panoramic images. To address the issue of time-consuming stitching, this paper introduces a GPU-accelerated multi-image registration algorithm that significantly expedites image registration. The stitching process for each 10 sub-images takes approximately 0.6 seconds, achieving a tenfold improvement in speed compared to traditional CPU-based registration methods. In addition, for the contradiction between image field of view and image clarity, this paper constructs a principle prototype of 2×5 compound eye camera array. Using prime lens with a focal length of 85mm, while ensuring the image field of view reaches 90°, the angular resolution of the imaging can also achieve 0.06mrad. Finally, 120 megapixel stitching result can be obtained.

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