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公开(公告)号：US12010466B2
公开(公告)日：2024-06-11
申请号：US17559070
申请日：2021-12-22
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Cheng-Han Tsai , Kuo-Feng Hung
CPC classification number: H04N9/3194 , H04N23/56 , H04N23/61 , B25J19/023 , G06V40/168
Abstract: A visual recognition based method for projecting patterned light includes: projecting a calibration image onto a projection screen by a projection module; capturing the calibration image by an image-capturing module to obtain a calibration information between the projection module and the image-capturing module; capturing an object by the image-capturing module to obtain a to-be-recognized image of the object; detecting the object in the to-be-recognized image and acquiring a plurality of feature points associated with a plurality of feature areas of the object in the to-be-recognized image; retrieving a plurality of target feature points corresponding to a target object from the feature points; obtaining a projection coordinate of the target feature points\ according to the calibration information and providing the projection coordinate to the projection module; and projecting a projection pattern with shape corresponding to the target object onto the object by the projection module according to the projection coordinate.
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公开(公告)号：US11648667B2
公开(公告)日：2023-05-16
申请号：US16704769
申请日：2019-12-05
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Tien-Yun Chi , Cheng-Han Tsai , Kuo-Feng Hung
IPC: B25J9/16
CPC classification number: B25J9/1664 , B25J9/163 , B25J9/1671 , B25J9/1692
Abstract: A processing path generating device including an intuitive path teaching device and a controller is provided. The intuitive path teaching device is provided for gripping and moving with respect to a workpiece to create a moving path. The intuitive path teaching device has a detecting portion for detecting a surface feature of the workpiece. The controller is connected to the intuitive path teaching device. The controller generates a processing path according to the moving path of the intuitive path teaching device and the surface feature of the workpiece.
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公开(公告)号：US11975958B2
公开(公告)日：2024-05-07
申请号：US17975520
申请日：2022-10-27
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Cheng-Han Tsai , Wei-Lung Pan , Chih-Ta Wu , I-hsin Lin
Abstract: An automatic fluid replacement device is adapted to be mounted on an opening of a storage barrel. The automatic fluid replacement device includes a robotic arm, at least one fluid convey joint and a controller. The robotic arm has a gripper. The fluid convey joint includes a convey pipe, a sleeve and a sealing bag. The convey pipe is configured to deliver a fluid. The sleeve is sleeved on the convey pipe. The gripper clamps the sleeve. The sealing bag is sleeved on the sleeve. The controller is configured for automatically controlling the robotic arm to move the fluid convey joint into the opening and controlling the sealing bag to be inflated to seal the opening.
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公开(公告)号：US11562527B2
公开(公告)日：2023-01-24
申请号：US17364072
申请日：2021-06-30
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Inventor： Cheng-Han Tsai , Kuo-Feng Hung
Abstract: A method further includes the following steps. Firstly, a three-dimensional picture under a generated background condition is generated, wherein the three-dimensional picture includes a three-dimensional object image. Then, a two-dimensional picture of the three-dimensional picture is captured, wherein the two-dimensional picture includes a two-dimensional object image of the three-dimensional object image. Then, an object region of the two-dimensional object image is recognized. Then, an exposed ratio of an exposed area of an exposed region of the object region to an object area of the object region is obtained. Then, whether the exposed ratio is greater than a preset ratio is determined. Then the exposed region is defined as the pick-and-place region when the exposed ratio is greater than the preset ratio.
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