Guangdian Yuntong has obtained patents related to check number recognition, and the check number recognition method can improve recognition accuracy.

March 28 news, according to information from the National Intellectual Property Administration, Guangzhou Guangdian Tongda Group Co., Ltd. has applied for a patent titled “Bill Number Recognition Method, Apparatus, Electronic Device, and Storage Medium.” The authorization announcement number is CN116580410B, and the authorization announcement date is March 27, 2026. The application publication number is CN116580410A. The application number is CN202310390174.2. The application publication date is March 27, 2026. The application date is April 12, 2023. The inventors are Li Wenfeng, Tan Dong, Yu Yuanchao, and Liu Guanglu. The patent agency is Beijing Qingyi Hua Intellectual Property Agency (General Partnership). The patent agent is Ji Yongjie. Classification numbers are G06V30/302, G06V30/148, and G06V30/19.

The patent abstract shows that this application discloses a bill number recognition method, apparatus, electronic device, and storage medium, and belongs to the field of image processing technology. The method includes: acquiring a target bill image of the bill to be recognized; performing a binarization operation on the target bill image to obtain a target binarized image; performing a character segmentation operation on the target binarized image; if the corresponding target character segmentation image is not obtained when performing the character segmentation operation, re-executing the binarization operation and the character segmentation operation until obtaining the target character segmentation image; performing character recognition on the target character segmentation image to obtain the number recognition information corresponding to the bill to be recognized; wherein the binarization processing method of the later binarization operation is different from the binarization processing method of the earlier binarization operation. This method can improve the accuracy of bill number recognition.

Guangdian Tongda was established on July 8, 1999, and was listed on the Shenzhen Stock Exchange on August 13, 2007. Its registered address and office address are both in Guangzhou, Guangdong Province. It is a leading domestic provider of industry artificial intelligence solutions, with core business covering intelligent terminals, operation services, and big data solution offerings.

The company’s main business is to provide operation services, big data solutions, and various intelligent terminal devices to customers worldwide. The industry it belongs to under Shenwan is Computers—Computer Equipment—Other Computer Equipment. It involves concept areas such as palmprint recognition, unmanned banking, and edge computing.

In terms of operating performance, in 2025, Guangdian Tongda’s operating revenue reached RMB 12.055 billion, ranking No. 1 among 6 companies in the industry, far exceeding the second-place Tongda Technology’s RMB 4.833 billion. The industry average is RMB 3.833 billion, and the median is RMB 2.147 billion. In its main business composition, intelligent device revenue was RMB 5.552 billion, accounting for 46.06%; operation and maintenance service and other revenue was RMB 4.516 billion, accounting for 37.46%; and software development and service revenue was RMB 1.986 billion, accounting for 16.48%. As for net profit, in 2025 the company’s net profit was RMB 1.109 billion, also ranking No. 1 in the industry. The second-place Tongda Technology was RMB 0.89 billion. The industry average was RMB 0.434 billion, and the median was RMB 0.357 billion.

The recent patent status of Guangzhou Guangdian Tongda Group Co., Ltd. is as follows:

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