公开(公告)号：US20240144462A1

公开(公告)日：2024-05-02

申请号：US18495880

申请日：2023-10-27

Applicant: Korea Photonics Technology Institute

Inventor： Hoe Min KIM ,  Sung Kuk CHUN ,  Seon Man KIM ,  Kwang Hoon LEE ,  Jeong Rok YUN ,  Un Yong KIM

IPC: G06T7/00 ,  G06T7/11 ,  G06V20/64

CPC classification number: G06T7/0004 ,  G06T7/11 ,  G06V20/64 ,  G06T2200/04 ,  G06T2207/10028

Abstract: Disclosed are an apparatus and system for evaluating a welding condition on the basis of three-dimensional data. An aspect of the present embodiment provides an apparatus for evaluating a welding condition, the apparatus including a communication unit configured to receive a three-dimensional image for an evaluation target from the outside, a base material recognition unit configured to recognize a base material from the three-dimensional image for the evaluation target by using a point cloud, a bead extraction unit configured to extract a welding bead welded between the base materials, a bead cross-section acquisition unit configured to acquire cross-sections at preset intervals for the extracted welding bead, and a profile analysis unit configured to analyze a profile of the welding bead for the cross-section acquired by the bead cross-section acquisition unit.

公开(公告)号：US20230204454A1

公开(公告)日：2023-06-29

申请号：US18082561

申请日：2022-12-15

Applicant: Korea Photonics Technology Institute

Inventor： Kwang Hoon LEE ,  Kyung JOO, II ,  Seon Kyu YOON ,  Jin Su LEE ,  Min Kyu PARK ,  Hoe Min KIM

IPC: G01M11/02

CPC classification number: G01M11/0207 ,  G02B5/18

Abstract: Disclosed is a spatial property measurement device or color implementation property of a holographic image. According to an aspect of the present embodiment, a spatial property measurement device or color implementation property of a holographic image reproduced by a holographic display device is provided.

公开(公告)号：US20220088696A1

公开(公告)日：2022-03-24

申请号：US16950920

申请日：2020-11-18

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Hoe Min KIM ,  Sung Kuk CHUN ,  Dong Kill LEE ,  Kwang Hoon LEE ,  Seon Man KIM

IPC: B23K9/095 ,  G06T7/70

Abstract: According to an embodiment, an object tracking device in a welding process tracks and outputs a predetermined object in a welding image. The object tracking device comprises a camera device capturing the welding image including a base material and a welding torch for welding the base material, a controller receiving a plurality of camera control parameter-varied images from the camera device, identifying the predetermined object in the received images, and generating an object tracking image, the plurality of camera control parameter-varied images having varied camera control parameters of the camera device, and an output device outputting the welding image captured by the camera device, the plurality of images received by the controller, or the object tracking image generated by the controller.

公开(公告)号：US20240168434A1

公开(公告)日：2024-05-23

申请号：US18508393

申请日：2023-11-14

Applicant: Korea Photonics Technology Institute

Inventor： Kwang Hoon LEE ,  Hoe Min KIM ,  Kyung Il JOO ,  Min Kyu PARK

IPC: G03H1/22 ,  G06V10/54 ,  G06V10/60

CPC classification number: G03H1/2294 ,  G06V10/54 ,  G06V10/60 ,  G03H2001/0224

Abstract: Disclosed is an apparatus for measuring texture characteristics of a holographic image that is reconstructed optically by a holographic display device. Provided is an apparatus for measuring texture characteristics of a holographic image, which measures texture characteristics of a holographic image that is reconstructed optically by a holographic display device.