Mr. Hongfei Yang Profile

Hongfei Yang

at Shanghai Institute of Technical Physics CAS

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Proceedings Article | 8 March 2017 Paper

Design of three-dimensional imaging system based on SFM

Hongfei Yang, Xin Chen, Peng Rao

Proceedings Volume 10255, 102550K (2017) https://doi.org/10.1117/12.2268681

KEYWORDS: 3D image processing, Imaging systems, 3D image reconstruction, Sensors, 3D modeling, Image processing, Image compression, Image segmentation, 3D acquisition, Cameras

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For the prospects of three-dimensional reconstruction technology based on structure from motion in engineering application, a high-resolution and visible band imaging system has been designed and implemented. It consists of a 5k × 5k CMOS focal plane array detector made by the ON-SEMI company, an optical system and an electronics system designed by ourselves. The electronics system takes FPGA as the control and drive processor chip and is divided into three parts: a power management module, a detector module and an image processing module, capable of finishing image compression and transmission. A sequence of images for the target of long distance away is obtained from the imaging system and the images after cropping and segmentation, aiming at reducing calculation and excluding some points irrelevant with the target during reconstruction process, are took as input of structure from motion. Seeds from the match points expand from sparse points to dense points and the initial model of reconstruction target is achieved. The experiment results show that the imaging system meet the requirement of three-dimensional reconstruction in engineering application and a new novel imaging system design of graded resolution based on bionics is proposed.

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