Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhuang Liang0
Xin Hui CP Pan0
Xu Feifei0
Yu Wenzhi0
Date of Patent
March 17, 2020
Patent Application Number
15710910
Date Filed
September 21, 2017
Patent Citations
Patent Primary Examiner
Patent abstract
Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
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