Title:
SECURITY CHECK CT OBJECT RECOGNITION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/024726
Kind Code:
A1
Abstract:
A security check CT object recognition method and apparatus. The method comprises: performing dimension reduction on three-dimensional CT data to generate a plurality of two-dimensional dimension-reduced views (S10); performing object recognition on a plurality of two-dimensional views to obtain a two-dimensional semantic description set of an object (S20), the plurality of two-dimensional views comprising the plurality of two-dimensional dimension-reduced views; and performing dimension increasing on the two-dimensional semantic description set to obtain a three-dimensional recognition result of the object (S30).
Inventors:
CHEN ZHIQIANG (CN)
ZHANG LI (CN)
SUN YUNDA (CN)
ZHENG JUAN (CN)
WANG LU (CN)
YANG TAO (CN)
LI DONG (CN)
ZHANG LI (CN)
SUN YUNDA (CN)
ZHENG JUAN (CN)
WANG LU (CN)
YANG TAO (CN)
LI DONG (CN)
Application Number:
PCT/CN2022/104606
Publication Date:
March 02, 2023
Filing Date:
July 08, 2022
Export Citation:
Assignee:
NUCTECH CO LTD (CN)
UNIV TSINGHUA (CN)
UNIV TSINGHUA (CN)
International Classes:
G01N23/04; G01V5/00; G06T7/00
Foreign References:
| CN113792623A | 2021-12-14 | |||
| CN112598619A | 2021-04-02 | |||
| CN108882897A | 2018-11-23 | |||
| CN109493417A | 2019-03-19 | |||
| US20150332448A1 | 2015-11-19 | |||
| CN109975335A | 2019-07-05 | |||
| US20210049397A1 | 2021-02-18 | |||
| CN111968240A | 2020-11-20 | |||
| CN109975335A | 2019-07-05 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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