Title:
HANDPRINT ACQUISITION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/151698
Kind Code:
A1
Abstract:
Embodiments of the present application provide a handprint acquisition system. The handprint acquisition system comprises: a lighting system, which comprises one or more blue light sources and one or more green light sources, wherein each light source is used for emitting light to a handprint acquisition area, and the handprint acquisition area is used for placing a photographed object; a structured light projector, which is used for emitting structured light to the handprint acquisition area; one or more image acquisition devices, which are used for acquiring an image of the handprint acquisition area at the same time when the lighting system and the structured light projector emit light to the handprint acquisition area, so as to obtain a handprint image of the photographed object; a processing device, which is used for controlling the lighting system and the structured light projector to emit light and controlling the one or more image acquisition devices to collect the handprint image, and is further used for processing the handprint image acquired by the one or more image acquisition devices so as to obtain a structured light image and an illumination light image respectively corresponding to the image acquisition devices; and performing fusion and structured light image-based transformation on the illumination light image so as to obtain a processed handprint image.
Inventors:
TANG LINPENG (CN)
TAI CHENG (CN)
ZHU SUWEI (CN)
CHEN JUNHANG (CN)
ZHANG SHUCHANG (CN)
TAI CHENG (CN)
ZHU SUWEI (CN)
CHEN JUNHANG (CN)
ZHANG SHUCHANG (CN)
Application Number:
PCT/CN2023/076009
Publication Date:
August 17, 2023
Filing Date:
February 14, 2023
Export Citation:
Assignee:
MOQI TECH BEIJING CO LTD (CN)
BEIJING ZHIJIAN MOQI TECH CO LTD (CN)
BEIJING ZHIJIAN MOQI TECH CO LTD (CN)
International Classes:
G06V40/13
Foreign References:
| CN114862673A | 2022-08-05 | |||
| CN217767172U | 2022-11-08 | |||
| CN218004132U | 2022-12-09 | |||
| CN112016525A | 2020-12-01 | |||
| CN113614489A | 2021-11-05 | |||
| CN112232155A | 2021-01-15 | |||
| CN112232163A | 2021-01-15 | |||
| US20110064282A1 | 2011-03-17 |
Attorney, Agent or Firm:
RUIBANG & PARTNERS (CN)
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