Inventor
ZHANG CHENGQUAN
CN16 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG CHENGQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING BAIDU NETCOM SCI & TECH CO LTD
11 patentsUS12211304B2Jan 28, 2025
Method and apparatus for performing structured extraction on text, device and storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD4 citations73
US11836996B2Dec 5, 2023
Method and apparatus for recognizing text
BEIJING BAIDU NETCOM SCI & TECH CO LTD1 citations60
US11881044B2Jan 23, 2024
Method and apparatus for processing image, device and storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations59
US11854283B2Dec 26, 2023
Method and apparatus for visual question answering, computer device and medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD1 citations58
US11810384B2Nov 7, 2023
Method and apparatus for recognizing text content and electronic device
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations57
US11775845B2Oct 3, 2023
Character recognition method and apparatus, electronic device and computer readable storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations51
US11210546B2Dec 28, 2021
End-to-end text recognition method and apparatus, computer device and readable medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations50
US12424010B2Sep 23, 2025
Character recognition model training method and apparatus, character recognition method and apparatus, device and storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations49
US11861919B2Jan 2, 2024
Text recognition method and device, and electronic device
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations49
US11482023B2Oct 25, 2022
Method and apparatus for detecting text regions in image, device, and medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations49
US11694461B2Jul 4, 2023
Optical character recognition method and apparatus, electronic device and storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations47
Baidu online network technology beijing co ltd
4 patentsUS10769484B2Sep 8, 2020
Character detection method and apparatus
Baidu online network technology beijing co ltd6 citations71
US10643066B2May 5, 2020
Method and apparatus for training a character detector based on weak supervision, system and medium
Baidu online network technology beijing co ltd3 citations71
US10963693B2Mar 30, 2021
Method and apparatus for training a character detector based on weak supervision, system and medium
Baidu online network technology beijing co ltd0 citations61
US10762376B2Sep 1, 2020
Method and apparatus for detecting text
Baidu online network technology beijing co ltd1 citations61