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公开(公告)号：US10169913B2
公开(公告)日：2019-01-01
申请号：US15292635
申请日：2016-10-13
Inventor： Yoon Seok Choi , Seung Woo Nam , In Su Jang , Soon Chul Jung , Jin Seo Kim , Soon Young Kwon
Abstract: An apparatus for generating 3-dimensional (3D) volume mask model and a method therefor. The apparatus includes a 2D mask data collector, a 3D mask model generator, and a 3D mask model adjuster, whereby 2D mask data is generated from a 2D mask image designed by a user, a 2D mask mesh is created based on inner and outer contour feature points, a 2D mask is transformed into a 3D model according to the user's settings, and the generated 3D mask model is modified to fit on a facial shape of a person who will wear the mask, and a 3D mask volume model is generated, which is immediately printed by a 3D printer to produce a 3D mask.
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公开(公告)号：US10564037B2
公开(公告)日：2020-02-18
申请号：US16055460
申请日：2018-08-06
Inventor： In Su Jang , Soon Chul Jung , Yoon Seok Choi , Jin Seo Kim
Abstract: A method and apparatus for combining colorants using a camera. The method of combining colorants using a camera includes extracting color data from an image of an object captured using a camera, converting the color data into spectral reflection factor data of the object on the basis of a pre-constructed camera color model, acquiring spectral reflection factor data for an estimated colorant combination obtained by simulating a combination of colorant samples obtained from a colorant database, and selecting an optimal colorant combination by comparing errors between the spectral reflection factor data of the object and the spectral reflection factor data for the estimated colorant combination. Therefore, it is possible to use a highly accessible and inexpensive camera, such as a smartphone camera, and thus an ordinary user can easily find an optimal colorant combination.
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