US 11,654,366 B2
Computer program for performing drawing-based security authentication
Young Soo Kim, Seoul (KR); Young Bak Jo, Gyeonggi-do (KR); and Yeongtae Hwang, Seoul (KR)
Assigned to Netmarble Corporation, Seoul (KR)
Filed by Netmarble Corporation, Seoul (KR)
Filed on Apr. 13, 2022, as Appl. No. 17/719,697.
Application 17/719,697 is a continuation of application No. 16/848,550, filed on Apr. 14, 2020, granted, now 11,358,061.
Claims priority of application No. 10-2019-0047780 (KR), filed on Apr. 24, 2019.
Prior Publication US 2022/0233963 A1, Jul. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63F 13/71 (2014.01); G06F 3/04883 (2022.01)
CPC A63F 13/71 (2014.09) [G06F 3/04883 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A non-transitory computer readable medium storing a computer program, wherein when the computer program is executed by one or more processors of a computing device, the computer program performs an operation for user drawing-based security authentication, and the operations comprise:
determining to transmit a first control signal to cause a user terminal to display a first drawing input display, which includes one or more subjects, if a lock display release signal is received from the user terminal;
receiving a first drawing input information inputted in accordance with the first drawing input display from the user terminal; and
determining whether to release the lock display of the user terminal by inputting the received first drawing input information to a drawing evaluation model,
wherein the drawing evaluation model is trained to classify a drawing image from a first user into the same group and classify a drawing image from a second user into different groups using training data comprising a drawing input information of the first user as a target image, another drawing input information of the first user as a target similar image, and a drawing input information of the second user as a target dissimilar image.