Patent ID: 11886492
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The method according to claim 1, further comprising: prior to the determining a key point feature similarity between any image in an image library and the image to be matched,
extracting key point features of a plurality of sample images in a preset sample library, and the preset sample library comprising the image library;
clustering the key point features of the plurality of sample images to obtain a plurality of feature categories;
extracting at least one key point feature of the any image;
for each key point feature of the any image, classifying the key point feature to determine, from the plurality of feature categories, a feature category to which the key point feature belongs; and
determining key point feature distribution information of the any image according to the feature category to which each of at least one key point feature of the any image belongs.