US 12,444,156 B2
Method and device for data marking
Xinfeng Chang, Beijing (CN); and Hui Li, Beijing (CN)
Assigned to LENOVO (BEIJING) LIMITED, Beijing (CN)
Filed by Lenovo (Beijing) Limited, Beijing (CN)
Filed on Sep. 8, 2022, as Appl. No. 17/940,245.
Claims priority of application No. 202111178305.8 (CN), filed on Oct. 9, 2021.
Prior Publication US 2023/0114447 A1, Apr. 13, 2023
Int. Cl. G06V 10/24 (2022.01); G06V 10/20 (2022.01)
CPC G06V 10/248 (2022.01) [G06V 10/255 (2022.01); G06V 2201/07 (2022.01)] 16 Claims
OG exemplary drawing
 
1. A data marking method comprising:
obtaining a to-be-recognized image that includes an at least partial manual copy of to-be-recorded data, the to-be-recorded data being associated with data content displayed by a display apparatus, the at least partial manual copy being produced by a user writing by hand;
recognizing the to-be-recorded data in the to-be-recognized image, the recognizing the to-be-recorded data comprising performing a handwriting recognition procedure on the to-be-recognized image;
detecting the data content displayed by the display apparatus according to the to-be-recorded data;
displaying a marking according to a detection result;
displaying a first marking on to-be-recorded data that is not detected according to the detection result;
displaying a second marking on to-be-recorded data that is detected;
determining a quantity of continuous lines of data in the to-be-recorded data where the first marking and the second marking are both displayed in every line of data; and
issuing an alarm message to prompt the user to check data that is copied in response to the quantity exceeding a predetermined quantity.