Title:
MULTI-LINE LASER THREE-DIMENSIONAL IMAGING METHOD AND SYSTEM BASED ON RANDOM LATTICE
Document Type and Number:
WIPO Patent Application WO/2022/016873
Kind Code:
A1
Abstract:
The present disclosure discloses a multi-line laser three-dimensional imaging method and system based on a random lattice. According to the present disclosure, multi-line laser is used and combined with a rotating mechanism to realize a large-view-field rapid scanning effect, such that the working efficiency is improved by orders of magnitude, and the deployment difficulty of the system is reduced. Furthermore, due to the fact that within an imaging range, pattern features of the random lattice of each local area have uniqueness, a plurality of laser lines are extracted and position sequence numbers are distinguished, and noise points are reduced through mutual verification of the pattern features of the random lattice between adjacent images, such that the quality of three-dimensional point cloud data is greatly improved, and the method and the system can be applied to industrial applications such as disorderly grabbing, feeding and discharging, unstacking and stacking, logistics sorting and the like.
Inventors:
CHEN GUI (CN)
LI QIN (CN)
LI QIN (CN)
Application Number:
PCT/CN2021/079161
Publication Date:
January 27, 2022
Filing Date:
March 04, 2021
Export Citation:
Assignee:
ZHEJIANG HANCHINE AI TECH CO LTD (CN)
International Classes:
G06T7/521
Domestic Patent References:
| WO2013184340A1 | 2013-12-12 |
Foreign References:
| US20180180408A1 | 2018-06-28 | |||
| CN102589476A | 2012-07-18 | |||
| CN110866924A | 2020-03-06 | |||
| CN107578464A | 2018-01-12 | |||
| CN108375346A | 2018-08-07 | |||
| CN105203046A | 2015-12-30 |
Attorney, Agent or Firm:
BEIJING TRUST OF ZHIGUO IP AGENCY CO., LTD. (CN)
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