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Patent Searching and Data


Title:
SNAPSHOT QUALITY EVALUATION METHOD AND APPARATUS FOR VEHICLE BAYONET DEVICE, AND READABLE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/105019
Kind Code:
A1
Abstract:
Disclosed are a snapshot quality evaluation method and apparatus for a vehicle bayonet device. The apparatus comprises: an image acquisition module, an image processing module, and an image quality evaluation module. The method comprises: performing vehicle detection on a snapshot image of a vehicle bayonet device to obtain a vehicle snapshot image having a vehicle feature; retrieving the vehicle location in the vehicle snapshot image, and cropping to obtain a vehicle cropping image having a complete vehicle; detecting the license plate location in the vehicle cropping image, and cropping to obtain a license plate cropping image; determining a quality evaluation parameter system to obtain each result value and each weight of the vehicle structured data, the license plate number, the license plate structured data, the vehicle snapshot image definition, and the vehicle snapshot image blackness value; obtaining a calculation score according to each result value and each weight corresponding thereto; and summing the calculation score of the vehicle structured data, the license plate number, the license plate structured data, the vehicle snapshot image definition, and the vehicle snapshot image blackness value to obtain an evaluation value. In this way, the purpose of evaluating the quality of the construction of the bayonet device is achieved.

Inventors:
FAN ZHIJIAN (CN)
CHEN SHENGJIAN (CN)
LI RENJIE (CN)
CHEN YANXING (CN)
JIANG WENTAO (CN)
ZHANG XIANG (CN)
Application Number:
PCT/CN2020/139846
Publication Date:
May 27, 2022
Filing Date:
December 28, 2020
Export Citation:
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Assignee:
ROPEOK TECH GROUP CO LTD (CN)
ROPEOK XIAMEN SYSTEM INTEGRATION CO LTD (CN)
International Classes:
G06K9/00
Domestic Patent References:
WO2019148912A12019-08-08
Foreign References:
CN111611863A2020-09-01
CN111932496A2020-11-13
CN104484655A2015-04-01
Attorney, Agent or Firm:
XIAMEN FEBE INTELLECTUAL PROPERTY AGENCY GP (CN)
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