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公开(公告)号：US20230314317A1
公开(公告)日：2023-10-05
申请号：US17709679
申请日：2022-03-31
Inventor： Kin Sun Chan , Yan Nei Law , Ka Lun Fan
IPC: G01N21/359
CPC classification number: G01N21/359 , G01N2201/126
Abstract: A method for material classification of an object. The method contains the steps of measuring, by a first light sensor, an intensity of a first light signal from an object; measuring, by a second light sensor, an intensity of a second light signal from the object; inputting features related to the intensity of the first light signal and features related to the intensity of the second light signal into a neural network; calculating by the neural network, for each of a plurality of possible classes of material, a probability of the object containing the material of the class; and determining a material of the object based on one of the plurality of possible classes of material that has a highest probability. Embodiments of the invention provide an automatic solution of material classification based on neural network, which achieves a high successful recognition rate of the material.
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公开(公告)号：US11979646B2
公开(公告)日：2024-05-07
申请号：US17566776
申请日：2021-12-31
Inventor： Kin Sun Chan , Yan Nei Law , Zi Qiao Lam
IPC: H04N23/11 , G06V10/25 , G06V10/771 , H01J61/52
CPC classification number: H04N23/11 , G06V10/25 , G06V10/771 , H01J61/523 , G06T2207/10048 , G06T2207/30124 , G06T2207/30204
Abstract: A system and method of extracting or inspecting a feature of an object using thermal imaging, and a method of inspecting an object of a garment product. The system includes a source of thermal influence arranged to heat or cool an object; an imager arranged to capture a plurality of images of the object when the object is subjected to the thermal influence; and an image processor arrange to processing the plurality of images and to distinguish a feature of interest from the other portions of the object presented on the plurality of images.
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公开(公告)号：US20230306616A1
公开(公告)日：2023-09-28
申请号：US17704568
申请日：2022-03-25
Inventor： Kin Sun Chan , Yan Nei Law , Ka Lun Fan
CPC classification number: G06T7/248 , G06T7/215 , G06T7/579 , G06T7/70 , A63B24/0062 , G06T2207/10021 , G06T2207/10024 , G06T2207/30241 , G06T2207/30196 , G06T2207/20092 , G06T2207/20021 , G06T2207/10028 , A63B2220/05 , A63B2220/806
Abstract: A method for capturing and analyzing a motion of a user includes capturing a motion of a user represented by an RGB moving image and depth data, obtaining 2D skeletal data based on the RGB moving image, converting the 2D skeletal data to 3D skeletal data by mapping the 2D skeletal data with corresponding depth data, determining one or more key poses of the motion of the user based on a preset condition for each of the key poses, obtaining the one or more key poses of the motion of the user and segmenting a motion sequence by the key poses into segments, sampling each segment and aligning each segment with a corresponding segment of a set of standard key poses, and comparing trajectories obtained based on the aligned segments between the one or more key poses of the motion of the user and the set of standard key poses.
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