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1
EP3842910A1
METHOD AND DEVICE FOR PROCESSING DRAWN CONTENT ON TERMINAL APPARATUS, AND TERMINAL APPARATUS
Publication/Patent Number: EP3842910A1 Publication Date: 2021-06-30 Application Number: 18904502.4 Filing Date: 2018-10-24 Inventor: Zhang, Weihua   Liu, Shilei   Assignee: Samsung Electronics Co., Ltd.   IPC: G06F3/0484 Abstract: The present invention provides a drawing content processing method and device for a terminal apparatus. The method comprises the following steps of: positioning a drawing focus of a user based on a drawing operation of the user; and, correspondingly processing a drawing content displayed by a terminal apparatus according to the positioned drawing focus. Meanwhile, the present invention further provides a terminal apparatus. In the method, the device or terminal apparatus provided by the present invention, by locating a drawing focus according to a drawing operation of a user and correspondingly processing a drawing content displayed by the terminal apparatus based on the drawing focus, the frequent processing of manually zooming and dragging a canvas to find a drawing focus is simplified, the drawing efficiency of the user is improved, and the flexibility of the user in using a terminal apparatus to draw content is improved.
2
EP3778502A1
METHOD AND DEVICE FOR TREATING AQUEOUS SUBSTANCE
Publication/Patent Number: EP3778502A1 Publication Date: 2021-02-17 Application Number: 19787888.7 Filing Date: 2019-04-18 Inventor: Zhang, Weihua   Xia, Jiyang   Liu, Chunjie   He, Lu   Chen, Rui   Assignee: General Treatment Environment (Beijing) Co., Ltd.   IPC: C02F11/14 Abstract: A method for treating an aqueous substance, comprising: mixing an aqueous substance with a solvent at a first temperature to obtain a mixture containing a solid substance and a liquid substance; conducting a first separation treatment of the mixture to obtain the solid substance and the liquid substance; and conducting a second separation treatment of the liquid substance obtained by the first separation treatment at a second temperature to obtain an aqueous phase and an organic phase, the organic phase contains the solvent. The mutual solubility of the solvent and water used in the present invention at the first temperature is higher than that of the solvent and water at the second temperature, so that the separation and recovery of water is achieved by liquid-liquid separation without phase transition in the method for treating an aqueous substance provided by the present invention, so the energy consumption can be effectively reduced. The invention further relates to a corresponding device.
3
US2021032145A1
METHOD AND DEVICE FOR TREATING WATER-CONTAINING SUBSTANCE
Publication/Patent Number: US2021032145A1 Publication Date: 2021-02-04 Application Number: 17/073,718 Filing Date: 2020-10-19 Inventor: Zhang, Weihua   Xia, Jiyang   Liu, Chunjie   He, Lu   Chen, Rui   Assignee: GENERAL ENVIRONMENT (BEIJING) CO., LTD.   IPC: C02F11/00 Abstract: A method for treating a water-containing substance, including: mixing a water-containing substance with a solvent at a first temperature to obtain a mixture containing a solid substance and a liquid substance; conducting a first separation treatment of the mixture to obtain the solid substance and the liquid substance; and conducting a second separation treatment of the liquid substance obtained by the first separation treatment at a second temperature to obtain an aqueous phase and an organic phase, the organic phase contains the solvent. The mutual solubility of the solvent and water at the first temperature is higher than that of the solvent and water at the second temperature, so that the separation and recovery of water is achieved by liquid-liquid separation without phase transition in the method for treating a water-containing substance, so the energy consumption can be effectively reduced. The invention further relates to a corresponding device.
4
US2021125313A1
IMAGE PROCESSING METHOD, APPARATUS, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM
Publication/Patent Number: US2021125313A1 Publication Date: 2021-04-29 Application Number: 17/017,177 Filing Date: 2020-09-10 Inventor: Bai, Mengmeng   Zuo, Li   Song, Xiansong   Na, Jaekeun   Wang, Changwei   Zhang, Weihua   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G06T5/00 Abstract: An image processing apparatus including: at least one memory; and at least one processor coupled to the at least one memory and configured to implement: an image acquisition module configured to acquire an input image including an object region; a mask image generation module configured to generate a mask image based on the input image; and an image inpainting module configured to extract a fusion feature map corresponding to the input image using an encoding network according to the input image and the mask image, and to inpaint the object region in the input image using a decoding network based on the fusion feature map, to obtain an inpainting result
5
US2021174592A1
AUGMENTED REALITY METHOD AND DEVICE
Publication/Patent Number: US2021174592A1 Publication Date: 2021-06-10 Application Number: 16/771,120 Filing Date: 2018-11-06 Inventor: Zhang, Weihua   Wu, Jiangxu   Li, Fan   Peng, Ganglin   Zhang, Hongguang   Kong, Leifeng   Assignee: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO., LTD.   BEIJING JINGDONG CENTURY TRADING CO., LTD.   IPC: G06T19/00 Abstract: The invention discloses an augmented reality method and device, and relates to the field of computer technology. A specific implementation of the method includes: acquiring video information of a target, and acquiring real image information and real sound information of the target from the same; using the real image information to determine at least one image-based target state data, and using the real sound information to determine at least one sound-based target state data; fusing the image-based and sound-based target state data of the same type to obtain a target portrait data; and acquiring virtual information corresponding to the target portrait data, and superimposing the virtual information on the video information. This implementation can identify the current state of the target based on the image information and sound information of the target, and fuse the two identification results to obtain an accurate target portrait. Based on the target portrait, virtual information display matching the user status can be displayed, thereby improving augmented reality and user experience.
6
US2021188649A1
CARBON-BASED POROUS MATERIAL AND PREPARATION METHOD AND USE THEREOF
Publication/Patent Number: US2021188649A1 Publication Date: 2021-06-24 Application Number: 17/160,525 Filing Date: 2021-01-28 Inventor: Mu, Shanjun   Zhao, Yuxin   Jiang, Chunming   Liu, Quanzhen   Zhang, Weihua   Wang, Lin   Zhang, Shucai   Mu, Xiaodong   Assignee: China Petroleum and Chemical Corporation   Sinopec Research Institute of Safety Engineering   IPC: C01B32/336 Abstract: A carbon-based porous material microscopically exhibiting a three-dimension 1 cross-linked net-like hierarchical pore structure, a specific surface area of 500˜2,500 m2/g and a water contact angle greater than 90°. The surface of the carbon-based porous material has a through hierarchical pore structure with mesopores nested in macropores and micropores nested in mesopores, the content of mesopores is high, and there are more adsorption activity sites exposed on the surface of the material, so that the diffusion path for organic gas molecules in the adsorption process is shortened. At the same time, the absorption and desorption rates may also be accelerated and the desorption temperature may be lowered. Furthermore, benefits result for solving the desorption and recovery problems of organic gas molecules. Moreover, the defects of ordinary porous carbon materials being easily hygroscopic, having a weakened capacity to adsorb target gas molecules in a humid environment, etc. are further effectively solved.
7
EP3761221A1
PEDESTRIAN RE-IDENTIFICATION METHOD AND APPARATUS
Publication/Patent Number: EP3761221A1 Publication Date: 2021-01-06 Application Number: 19792513.4 Filing Date: 2019-04-26 Inventor: Wu, Jiangxu   Zhang, Weihua   Zhang, Hongguang   Peng, Ganglin   Kong, Leifeng   Wu, Yuefeng   Yong, Xinghui   Li, Fan   Assignee: Beijing Jingdong Shangke Information Technology Co., Ltd.   Beijing Jingdong Century Trading Co., Ltd.   IPC: G06K9/00 Abstract: The present disclosure provides a pedestrian re-identification method and apparatus. The pedestrian re-identification apparatus detects a pedestrian to be identified in a specified video frame, and within a specified time period before the capture time of the specified video frame, extracts all pedestrians appearing in the captured video frame and taking them to be historical pedestrians; calculating the feature distances between the pedestrian to be identified and the historical pedestrians; in order of feature distance, from small to large, extracting historical pedestrian identifications corresponding to a predetermined number of feature distances, and clustering the extracted historical pedestrian identifications so as to re-identify the pedestrians to be identified. The present disclosure effectively suppresses external noise interference and improves the success rate of pedestrian re-identification.
8
US2021201009A1
PEDESTRIAN RE-IDENTIFICATION METHOD AND APPARATUS
Publication/Patent Number: US2021201009A1 Publication Date: 2021-07-01 Application Number: 17/044,578 Filing Date: 2019-04-26 Inventor: Wu, Jiangxu   Zhang, Weihua   Zhang, Hongguang   Peng, Ganglin   Kong, Leifeng   Wu, Yuefeng   Yong, Xinghui   Li, Fan   Assignee: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO., LTD.   BEIJING JINGDONG CENTURY TRADING CO., LTD.   IPC: G06K9/00 Abstract: The present disclosure provides a pedestrian re-identification method and apparatus. The pedestrian re-identification apparatus detects a pedestrian to be identified in a preset video frame, extract all pedestrians appearing in video frames shot in a preset time period before a shooting time of the preset video frame as historical pedestrians, calculate a feature distance between the pedestrian to be identified and each historical pedestrian of the historical pedestrians, extract historical pedestrian IDs corresponding to a preset number of the feature distances in ascending order of the feature distances, and cluster the historical pedestrian IDs to re-identify the pedestrian to be identified.
9
EP3476476B1
CARBON-BASED POROUS MATERIAL, PREPARATION METHODS THEREFOR AND USE THEREOF
Publication/Patent Number: EP3476476B1 Publication Date: 2021-09-08 Application Number: 17830296.4 Filing Date: 2017-05-26 Inventor: Mu, Shanjun   Zhao, Yuxin   Jiang, Chunming   Liu, Quanzhen   Zhang, Weihua   Wang, Lin   Zhang, Shucai   Mu, Xiaodong   Assignee: China Petroleum & Chemical Corporation   Sinopec Research Institute Of Safety Engineering   IPC: B01J20/34
10
US11115730B2
Video sharing implementation method and system
Publication/Patent Number: US11115730B2 Publication Date: 2021-09-07 Application Number: 16/098,693 Filing Date: 2017-04-21 Inventor: Peng, Ganglin   Cao, Xuechao   Zhang, Man   Li, Fan   Wu, Yuefeng   Yao, Sikun   Zhang, Weihua   Zhang, Hongguang   Kong, Leifeng   Song, Shitao   Wu, Jiangxu   Assignee: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO, LTD.   BEIJING JINGDONG CENTURY TRADING CO., LTD.   IPC: H04N21/858 Abstract: A video sharing implementation method and system are provided, with the method including receiving a user's access request for a video sharing link which carries an address of a video and an identifier of a shared object, parsing the video sharing link to obtain the address of the video and the identifier of the shared object, playing the video according to the address of the video, and displaying the shared object corresponding to the identifier of the shared object in a video display interface, and jumping to a product link of the shared object in response to the user's selection of the shared object.
11
US2021283442A1
FOAM PRODUCING METHOD, FIRE EXTINGUISHING METHOD, AND APPLIANCE FOR FOAM EXTINGUISHING
Publication/Patent Number: US2021283442A1 Publication Date: 2021-09-16 Application Number: 16/490,728 Filing Date: 2018-02-26 Inventor: Mu, Shanjun   Jiang, Chunming   Zhang, Weihua   Liu, Quanzhen   Lang, Xuqing   Mu, Xiaodong   Wang, Lin   Wu, Jingfeng   Tan, Longmei   Shang, Zuzheng   Zhou, Rifeng   Li, Jianxiang   Yu, Hui   Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION   CHINA PETROLEUM & CHEMICAL CORPORATION QINGDAO RESEARCH INSTITUTE OF SAFETY ENGINEERING   IPC: A62C5/02 Abstract: A foam production method includes mixing liquid nitrogen with a foaming material to produce foam. A gas is produced in situ from liquid nitrogen. As the ratio of the volume of the gas produced by gasification of liquid nitrogen to the volume of the liquid nitrogen is relatively high, when a large gas supply flow is needed to generate a large foam flow, a liquid nitrogen storage device of a small volume can be used instead of bulky air supply devices such as high-pressure gas cylinders, air compressors, air compressor sets and the like, reducing the volume of the air supply device. In addition, the liquid nitrogen used in foaming will release nitrogen gas after the foam blast, such that the nitrogen is also able to inhibit combustion on the surface of burning materials, accelerating the extinguishing of the fire.
12
US2020134890A1
DRAWING CONTENT PROCESSING METHOD AND DEVICE FOR TERMINAL APPARATUS, AND TERMINAL APPARATUS
Publication/Patent Number: US2020134890A1 Publication Date: 2020-04-30 Application Number: 16/540,637 Filing Date: 2019-08-14 Inventor: Zhang, Weihua   Liu, Shilei   Assignee: Samsung Electronics Co., Ltd.   IPC: G06T11/20 Abstract: The present disclosure provides drawing content processing method and device for a terminal apparatus. The method includes positioning a drawing focus of a user based on a drawing operation of the user and processing drawing content displayed on a screen of the terminal apparatus based on the positioned drawing focus.
13
EP3740936A1
METHOD AND APPARATUS FOR POSE PROCESSING
Publication/Patent Number: EP3740936A1 Publication Date: 2020-11-25 Application Number: 19799275.3 Filing Date: 2019-04-30 Inventor: Zhu, Xiangyu   Zhang, Weihua   Luo, Zhenbo   Jiang, Yingying   Assignee: Samsung Electronics Co., Ltd.   IPC: G06T7/20
14
WO2020029693A1
SUSPENSION-TYPE MAGLEV RAIL TRANSIT SYSTEM
Publication/Patent Number: WO2020029693A1 Publication Date: 2020-02-13 Application Number: 2019092347 Filing Date: 2019-06-21 Inventor: Zhang, Weihua   Gao, Tao   Yang, Bin   Yang, Jie   Deng, Yongfang   Assignee: SOUTHWEST JIAOTONG UNIVERSITY   JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY   IPC: B60L13/04 Abstract: A suspension-type maglev rail transit system, comprising a rail system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and a suspension control system, the rail system is suspended in the air via upright posts (36), the car system is suspended vertically below the rail system via the suspension system, and the drive system and the guidance system cooperate to drive the car system to run in the rail system.
15
EP3726471A1
AUGMENTED REALITY METHOD AND DEVICE
Publication/Patent Number: EP3726471A1 Publication Date: 2020-10-21 Application Number: 18888999.2 Filing Date: 2018-11-06 Inventor: Zhang, Weihua   Wu, Jiangxu   Li, Fan   Peng, Ganglin   Zhang, Hongguang   Kong, Leifeng   Assignee: Beijing Jingdong Shangke Information Technology Co. Ltd.   Beijing Jingdong Century Trading Co., Ltd.   IPC: G06T11/00 Abstract: The invention discloses an augmented reality method and device, and relates to the field of computer technology. A specific implementation of the method includes: acquiring video information of a target, and acquiring real image information and real sound information of the target from the same; using the real image information to determine at least one image-based target state data, and using the real sound information to determine at least one sound-based target state data; fusing the image-based and sound-based target state data of the same type to obtain a target portrait data; and acquiring virtual information corresponding to the target portrait data, and superimposing the virtual information on the video information. This implementation can identify the current state of the target based on the image information and sound information of the target, and fuse the two identification results to obtain an accurate target portrait. Based on the target portrait, virtual information display matching the user status can be displayed, thereby improving augmented reality and user experience.
16
WO2020029714A1
LEVITATION CONTROL METHOD FOR MAGLEV SKYTRAIN
Publication/Patent Number: WO2020029714A1 Publication Date: 2020-02-13 Application Number: 2019094130 Filing Date: 2019-07-01 Inventor: Zhang, Weihua   Gao, Tao   Yang, Bin   Yang, Jie   Zhang, Zhenli   Deng, Yongfang   Assignee: SOUTHWEST JIAOTONG UNIVERSITY   JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY   IPC: B61B13/08 Abstract: The present invention provides a levitation control method for a maglev skytrain. A permanent magnetic track, made of rare earth permanent magnetic materials, for the suspended maglev train is installed in a sky beam, and interacts with a permanent magnet set on a bogie to create a repulsive force. According to the levitation control method, stable levitation and non-contact operation are implemented by means of the steps of levitation control, travelling by driving, steering control, speed measurement and positioning control, braking, etc. A linear induction drive motor in cooperation with a positioning system allows for safe and stable travel. According to the present invention, the defect of the instability of a levitation system composed of a permanent magnet is overcome, thus improving the stability of the levitation system.
17
EP3590580A1
FOAM PRODUCTION METHOD, FIRE EXTINGUISHING METHOD, AND FOAM EXTINGUISHING APPLIANCE
Publication/Patent Number: EP3590580A1 Publication Date: 2020-01-08 Application Number: 18761411.0 Filing Date: 2018-02-26 Inventor: Mu, Shanjun   Jiang, Chunming   Zhang, Weihua   Liu, Quanzhen   Lang, Xuqing   Mu, Xiaodong   Wang, Lin   Wu, Jingfeng   Tan, Longmei   Shang, Zuzheng   Zhou, Rifeng   Li, Jianxiang   Yu, Hui   Assignee: China Petroleum & Chemical Corporation   Sinopec Research Institute Of Safety Engineering   IPC: A62C5/02 Abstract: A foam production method and use thereof in fire extinguishing, as well as a fire extinguishing method. The foam production method comprises mixing liquid nitrogen with a foaming material to produce foam by means of the foaming material. The foam production method pioneers using the method of mixing a gas produced in situ from liquid nitrogen with a foaming material. As the ratio of the volume of the gas produced by gasification of liquid nitrogen to the volume of the liquid nitrogen is relatively high, when a large gas supply flow is needed to generate a large foam flow, a liquid nitrogen storage device of a small volume can be used instead of bulky air supply devices such as high-pressure gas cylinders, air compressors, air compressor sets and the like, reducing the volume of the air supply device. In addition, the liquid nitrogen used in foaming will release nitrogen gas after the foam blast, such that the nitrogen is also able to inhibit combustion on the surface of burning materials, accelerating the extinguishing of the fire.
18
WO2019041087A1
TRANSPARENT OBJECT TESTING METHOD AND RELATED PRODUCT
Publication/Patent Number: WO2019041087A1 Publication Date: 2019-03-07 Application Number: 2017099272 Filing Date: 2017-08-28 Inventor: Zhang, Weihua   Assignee: SHEN ZHEN SINHOVO TECHNOLOGY CO., LTD   IPC: G01N21/896 Abstract: A transparent object testing method. The method comprises the following steps: a testing system obliquely emits light of at least two colors to a known point on the upper surface of an object to be tested; the testing system extracts at least two intersections between the refraction point of the light of at least two colors and the upper surface; calculate a distance L between the at least two intersections, and determine, according to the value of L, whether the object to be tested is qualified. A testing system for executing the method comprises an emitting element (301) and a processing element (302). Also provided are a readable storage medium for executing the method and a computer program product for the method.
19
WO2019018996A1
METHOD FOR CAPTURING PLURALITY OF IMAGES OF CIRCUIT BOARD, AND RELATED PRODUCT
Publication/Patent Number: WO2019018996A1 Publication Date: 2019-01-31 Application Number: 2017094211 Filing Date: 2017-07-25 Inventor: Zhang, Weihua   Zheng, Xiaoyong   Assignee: SHEN ZHEN SINHOVO TECHNOLOGY CO., LTD   IPC: H04N5/235 Abstract: Provided is a method for capturing a plurality of images of a circuit board, said method comprising the following steps: controlling a camera apparatus to move at a uniform speed, and taking t0 as a starting midpoint time for image-capturing, periodically capturing images of a circuit board to obtain n images (S201), the period being T; controlling a first flashlamp of M flashlamps of the camera apparatus to flash once every mT, taking t0 as the starting midpoint time, and controlling the x-th flashlamp after the first flashlamp to flash once every mT, taking t0+x*T as the starting midpoint time (S202); dividing the n images into m sets of images, the interval of two images adjacent to any set of images in the m sets of images being m images (S203); in order to compensate for the difference in position resulting from the time difference caused by t0, capturing as supplementary images two additional images before the start of t0 and after t0+x*T. Image fitting is performed on each set of images in the (m+2) sets of images to obtain a plurality of images of the circuit board at the same position. The described method has the advantage of high efficiency.
20
WO2019019131A1
STEEL MESH THICKNESS MEASUREMENT DEVICE AND MEASUREMENT METHOD
Publication/Patent Number: WO2019019131A1 Publication Date: 2019-01-31 Application Number: 2017094854 Filing Date: 2017-07-28 Inventor: Li, Wen   Zhang, Weihua   Zheng, Xiaoyong   Assignee: SHEN ZHEN SINHOVO TECHNOLOGY CO., LTD   IPC: G01B11/06 Abstract: Provided is a steel mesh thickness measurement device, comprising a machine frame (3), a main imaging apparatus (1), and a 3D imaging apparatus (2); the main imaging apparatus (1) and 3D imaging apparatus (2) are connected to the machine frame (3) and face a steel mesh (9); the main imaging apparatus (1) and 3D imaging are arranged at an angle greater than 0 degrees and less than 90 degrees; the machine frame (3) is connected to a main light source (4); a mesh hole (91), used for illuminating the steel mesh (9) so as to cause the light of illumination to refract, is arranged beneath the machine frame (3); the 3D imaging apparatus (2) and/or the main imaging apparatus (1) are connected to, or are provided with, an image recognition analysis module. Also provided is a steel mesh thickness measurement method; said method employs the steel-mesh thickness measurement device. Using a non-contact means, it is possible to accurately measure the thickness of the steel mesh (9); the changes in the thickness of the steel mesh (9) may be promptly learned, ensuring the stability of quality of the product.
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