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1. (WO2018098697) IMAGE FEATURE REPEATABILITY MEASUREMENT METHOD AND DEVICE

Pub. No.:    WO/2018/098697    International Application No.:    PCT/CN2016/108048
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: G06K 9/54
G06T 7/00
Applicants: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
中国科学院深圳先进技术研究院
Inventors: WANG, Mengqiao
王梦巧
LI, Zhicheng
李志成
LI, Qihua
李其花
SUN, Qiuchang
孙秋畅
SONG, Bolin
宋柏霖
Title: IMAGE FEATURE REPEATABILITY MEASUREMENT METHOD AND DEVICE
Abstract:
An image feature repeatability measurement method and device. The method comprises: obtaining multiple images, and preprocessing the multiple images; obtaining a region satisfying a preset condition in each of the preprocessed multiple images, and marking the region in each image; performing standardization processing on each image, so that a grayscale value of each pixel in each image falls within a preset grayscale value arrange; extracting an image feature of the marked region, and obtaining multiple factor values related to the image feature; computing an overall consistency correlation coefficient (OCCC) value of the image feature according to the multiple factor values; and if the OCCC value is greater than a preset threshold, determining that the image has repeatability. The problem in the prior art of low accuracy in the assessment of the repeatability of an image feature performed by generally using a single factor value only is resolved.