Patents by Inventor Minjie WANG
Minjie WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240167811Abstract: A depth data measuring head (600, 700) comprising: a structured light projection apparatus (110, 610, 710) used for projecting, under the drive of a driving apparatus (114, 314) and at different projection angles, a beam having a texture to a measured space so as to form different textures on an object to be measured; and first and second image sensors (620, 630; 720, 730) that are respectively arranged on both sides of the structured light projection apparatus (110, 610, 710), the first and second image sensors having a predetermined relative spatial position relationship and imaging the measured space at least twice so as to obtain at least two sets of images having different texture distributions, wherein the at least two sets of images are used for obtaining single-measurement depth data of the object to be measured.Type: ApplicationFiled: December 14, 2021Publication date: May 23, 2024Inventors: Minjie WANG, Yushi LIANG
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Publication number: 20240169570Abstract: A depth data measurement head, a depth data computing device, and a corresponding method. The measurement head (200) comprises: a projection device (210) for scanning and projecting a group of structured light having different patterns to a photographing area; and an image sensor (220) for photographing the photographing area to obtain a group of image frames under illumination of a group of structured light for single calculation of depth data in the photographing area, wherein the image sensor (220) comprises at least two sub-image sensors (223, 224) sharing at least part of an optical path, and the at least two sub-image sensors (223, 224) are respectively used for imaging the structured light having different patterns successively projected by the projection device (210).Type: ApplicationFiled: December 14, 2021Publication date: May 23, 2024Inventors: Minjie WANG, Yushi LIANG
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Patent number: 11958930Abstract: The present invention discloses a catalytic hydrogenation method for carbon nine resin, comprising the following steps: 1) adding a Pt—W—Y/?-Al2O3 catalyst in the first half of a fixed bed, adding a Pd—Zr—Nd/?-Al2O3 catalyst in the second half of the fixed bed, and feeding hydrogen for reduction; and 2) catalytic hydrogenating the pretreated carbon nine resin in the fixed bed. In the present invention, different catalysts capable of reacting under the same catalytic conditions are added in the first and second halves of the fixed bed, and the two different catalysts play different roles, and can be active and complementary to each other under the same conditions. The synergistic effect of the two catalysts plays a good catalytic role. Moreover, the production process is simplified, and the production cost is saved.Type: GrantFiled: April 24, 2020Date of Patent: April 16, 2024Assignee: NINGBO UNIVERSITY OF TECHNOLOGYInventors: Jianghua Fang, Hui Huang, Weihong Xu, Ying Li, Haojian Zhang, Xunwen Xiao, Bin Wang, Minjie Hu
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Patent number: 11885613Abstract: A depth data measuring head (300), a measurement device (1400) and a measurement method. The measuring head (300) comprises: a projection device (310, 1410) used to project and scan line coded structured light across a region to be photographed; first and second image sensors (310_1, 310_2, 1410_1, 1410_2) disposed at preset relative positions and used to photograph said region so as to respectively obtain first and second two-dimensional image frames under irradiation of the structured light; and a synchronization device (330, 1430) used to synchronously activate, on the basis of a scan position of the projection device, pixel columns of the first and second image sensors (310_1, 310_2, 1410_1, 1410_2) in a line direction corresponding to the current scan position to perform imaging.Type: GrantFiled: December 3, 2019Date of Patent: January 30, 2024Assignee: SHANGHAI PERCIPIO TECHNOLOGY LIMITEDInventors: Minjie Wang, Yushi Liang
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Publication number: 20230296372Abstract: Disclosed are a depth data measuring device and a structured light projection unit included therein. The device comprises: a projection unit, configured to project structured light to the subject; an imaging unit, configured to photograph the subject to obtain a two-dimensional image frame illuminated by the structured light, wherein, the projection unit comprises: a laser generator configured to generate laser light; an LCOS (Liquid Crystal on Silicon) element configured to receive the laser light and generate the structured light for projection. The present disclosure uses LCOS for fine projection of structured light in order to improve imaging accuracy of depth data. LCOS can also transform various projection codes including speckles or stripes, so that it is suitable for various imaging scenarios.Type: ApplicationFiled: July 22, 2021Publication date: September 21, 2023Inventors: Minjie WANG, Yushi LIANG
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Publication number: 20220155059Abstract: A depth data measuring head (300), a measurement device (1400) and a measurement method. The measuring head (300) comprises: a projection device (310, 1410) used to project and scan line coded structured light across a region to be photographed; first and second image sensors (310_1, 310_2, 1410_1, 1410_2) disposed at preset relative positions and used to photograph said region so as to respectively obtain first and second two-dimensional image frames under irradiation of the structured light; and a synchronization device (330, 1430) used to synchronously activate, on the basis of a scan position of the projection device, pixel columns of the first and second image sensors (310_1, 310_2, 1410_1, 1410_2) in a line direction corresponding to the current scan position to perform imaging.Type: ApplicationFiled: December 3, 2019Publication date: May 19, 2022Inventors: Minjie WANG, Yushi LIANG
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Patent number: 11324768Abstract: There is provided herein a method of treating and/or alleviating vascular inflammation or vascular endothelial function disorders comprising administering 2?,3,? 5?-triacetyl-N6(3-hydroxyphenyl)adenosine of formula (I): such as in the form of a pharmaceutical composition, to a person suffering from vascular inflammation or vascular endothelial function disorders.Type: GrantFiled: May 23, 2017Date of Patent: May 10, 2022Assignees: JIANGSU TASLY DIYI PHARMACEUTICALS CO., LTD., INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF MEDICAL SCIENCESInventors: Haibo Zhu, Minjie Wang
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Publication number: 20210328542Abstract: Multi-point parallel synchronous drive device, which includes a drive mechanism and several stages of driven mechanisms drivingly connected. The drive mechanism comprises a first power output for rotatably connecting with a power output shaft, and a second power output disposed below the first power output and parallel to the first power output along a power output direction. The several stages of the driven mechanism are arranged at intervals in the power output direction. The second power output of the drive mechanism is drivingly connected with a power input of the adjacent driven mechanism along the power output direction, and the adjacent two-stage driven mechanisms are drivingly connected along the power output direction. The driven mechanism at any stage comprises a power output for rotatably connecting with the power output shaft. The device can be applied to the a solar tracking system, with the main shaft as the power output shaft.Type: ApplicationFiled: December 3, 2019Publication date: October 21, 2021Inventors: Shitao WANG, Zhengming YU, Shunyong TONG, Jingqiang CHEN, Minjie WANG
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Patent number: 11007611Abstract: A double-row slot plunge milling processing method for integral impellers, which comprises planning a double-row plunge milling cutter path along two side blades of an impeller flow channel; a cutter arrangement sequence of the cutter path following the direction of an inlet and outlet of the flow channel; determining cutter diameter according to the width of a bottom portion of a cross-section of the flow channel and segmenting the flow channel, the width of a bottom portion of the cross-section of each segmented flow channel being greater than one times the cutter diameter and smaller than two times the cutter diameter. Compared with existing methods for layer cutting of high feed, the present invention can increase rough-processing efficiency of integral impellers by more than 50%, while facilitating the elimination of plunge milling cutter bumping, and effectively reducing redundant cutter paths; the implementation process being simple and facilitating CAM software integration.Type: GrantFiled: March 17, 2017Date of Patent: May 18, 2021Assignee: Dalian University of TechnologyInventors: Zhaocheng Wei, Minjie Wang
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Publication number: 20200316101Abstract: Applications of 2?,3?,5?-tri-O-acetyl-N6-(3-hydroxyl phenyl) adenosine in the preparation of drugs for preventing and/or treating vascular inflammations and vascular endothelial function disorders.Type: ApplicationFiled: May 23, 2017Publication date: October 8, 2020Inventors: Haibo ZHU, Minjie WANG
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Publication number: 20200039009Abstract: A double-row slot plunge milling processing method for integral impellers, which comprises planning a double-row plunge milling cutter path along two side blades of an impeller flow channel; a cutter arrangement sequence of the cutter path following the direction of an inlet and outlet of the flow channel; determining cutter diameter according to the width of a bottom portion of a cross-section of the flow channel and segmenting the flow channel, the width of a bottom portion of the cross-section of each segmented flow channel being greater than one times the cutter diameter and smaller than two times the cutter diameter. Compared with existing methods for layer cutting of high feed, the present invention can increase rough-processing efficiency of integral impellers by more than 50%, while facilitating the elimination of plunge milling cutter bumping, and effectively reducing redundant cutter paths; the implementation process being simple and facilitating CAM software integration.Type: ApplicationFiled: March 17, 2017Publication date: February 6, 2020Inventors: Zhaocheng WEI, Minjie WANG
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Patent number: 10368056Abstract: A depth data detection apparatus and monitoring apparatus are disclosed. The depth data detection apparatus has at least two infrared light generators (11, 12) alternately operating, thereby ensuring that each of the infrared light generators has a sufficient power-off time while ensuring continuous operation of the system, so that each infrared light generator can reach its service lift as much as possible. Different infrared light generators can project infrared beams with different angles and/or from different positions, and the depth information obtained can be fused with each other in order to acquire the depth information of the object to be measured more completely. In addition, different infrared light generators can also project infrared beams to different areas or the same area of the space to be measured for their respective purposes.Type: GrantFiled: June 17, 2016Date of Patent: July 30, 2019Assignee: SHANGHAI PERCIPIO TECHNOLOGY LIMITEDInventors: Minjie Wang, Yushi Liang
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Publication number: 20180176544Abstract: A depth data detection apparatus and monitoring apparatus are disclosed. The depth data detection apparatus has at least two infrared light generators (11, 12) alternately operating, thereby ensuring that each of the infrared light generators has a sufficient power-off time while ensuring continuous operation of the system, so that each infrared light generator can reach its service lift as much as possible. Different infrared light generators can project infrared beams with different angles and/or from different positions, and the depth information obtained can be fused with each other in order to acquire the depth information of the object to be measured more completely. In addition, different infrared light generators can also project infrared beams to different areas or the same area of the space to be measured for their respective purposes.Type: ApplicationFiled: June 17, 2016Publication date: June 21, 2018Inventors: Minjie WANG, Yushi LIANG
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Patent number: 9582710Abstract: Embodiments of the present invention disclose methods for generating a strong classifier for face detection. The methods include determining, according to a size of a prestored image training sample, a parameter of weak classifier of the image training sample, obtaining a sketch value of each of the weak classifiers of the image training sample, calculating a weighted classification error of each of the weak classifiers according to the sketch value and an initial weight of the image training sample, obtaining at least one optimal weak classifier according to the weighted classification error, and generating a strong classifier for face detection according to the optimal weak classifiers. The embodiments of the present invention further disclose an apparatus for generating a strong classifier for face detection. The embodiments of the present invention have advantages of improving robustness of code against noise and reducing a false detection rate of face detection.Type: GrantFiled: December 2, 2014Date of Patent: February 28, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Yu Zhang, Zhijun Du, Minjie Wang
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Publication number: 20170005613Abstract: The present invention relates to a photovoltaic tracker, and in particular to a solar photovoltaic component tracking apparatus and an installation method therefor. The apparatus comprises upright posts; a main shaft is arranged between two adjacent upright posts; a photovoltaic component is arranged on the main shaft; two adjacent main shafts are connected via a connecting shaft; the connecting shaft is fixed on the upright post; the upper end face of the upright post is an upright post installation face; a through-hole is arranged on the upper portion of the upright post; and the connecting shaft is installed in the through-hole via a bearing structure. The through-hole is arranged on the upright post, and the connecting shaft is installed in the through-hole via the bearing structure. Pre-installation is firstly performed, and then the whole upright post combination is hammered integrally via a pile hammer.Type: ApplicationFiled: March 25, 2014Publication date: January 5, 2017Inventors: Xinke YANG, Jianjing ZHU, Hang ZHENG, Fengjun DING, Xinying XUE, Lvwen HUANG, Yunyun CHEN, Sichun SUN, Minjie WANG
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Publication number: 20150154441Abstract: Embodiments of the present invention disclose methods for generating a strong classifier for face detection. The methods include determining, according to a size of a prestored image training sample, a parameter of weak classifier of the image training sample, obtaining a sketch value of each of the weak classifiers of the image training sample, calculating a weighted classification error of each of the weak classifiers according to the sketch value and an initial weight of the image training sample, obtaining at least one optimal weak classifier according to the weighted classification error, and generating a strong classifier for face detection according to the optimal weak classifiers. The embodiments of the present invention further disclose an apparatus for generating a strong classifier for face detection. The embodiments of the present invention have advantages of improving robustness of code against noise and reducing a false detection rate of face detection.Type: ApplicationFiled: December 2, 2014Publication date: June 4, 2015Inventors: Yu ZHANG, Zhijun DU, Minjie WANG