ALCHERA INC. filed a patent application (PCT/KR2018/016548) for " JOINT MODEL REGISTRATION DEVICE AND METHOD " on December 21, 2018. With publication no. WO /2020/130211, the details related to the patent application was published on June 25, 2020. Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO). Inventor(s): CHANG, Jung Woo (105-1001, 20, Seolleung-ro 69-gilGangnam-GuSeoul 06217), HWANG, Young Kyoo (301, 53, Gangnam-daero 124-gilGangnam-GuSeoul 06113), KIM, Jung Bae (1001, 25, Nonhyeon-ro 51-gilGangnam-GuSeoul 06269) Abstract: The present invention relates to a joint model registration device and method for reconstructing a three-dimensional joint model for the body, such as a hand, the bust, or the entire body, from an image, wherein two-dimensional feature points are acquired from a two-dimensional image, and a three-dimensional joint model corresponding to the acquired feature points is generated and estimated.