Patents by Inventor Chenxi Zhao
Chenxi Zhao 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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Patent number: 11367195Abstract: An image segmentation method, an image segmentation apparatus, an image segmentation device are provided, the image segmentation method including: extracting, from a current frame of a video image, a skeleton two-dimensional estimation and a skeleton three-dimensional estimation of a human three-dimensional skeleton; obtaining a target three-dimensional skeleton based on the skeleton two-dimensional estimation and the skeleton three-dimensional estimation; implementing image segmentation based on the target three-dimensional skeleton; wherein the human three-dimensional skeleton has multiple nodes, and the video image is a two-dimensional image, when calculating the target three-dimensional skeleton in the current frame, by comprehensively considering the skeleton two-dimensional estimation and skeleton three-dimensional skeleton estimation of the human three-dimensional skeleton in the current frame, the accuracy and robustness of the obtained target three-dimensional skeleton can be improved, thereby improvType: GrantFiled: June 24, 2020Date of Patent: June 21, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yaoyu Lv, Lili Chen, Hao Zhang, Fuqiang Ma, Jiankang Sun, Shuo Zhang, Gang Li, Yachong Xue, Xiangjun Peng, Chenxi Zhao
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Patent number: 11334982Abstract: The disclosure provides a method for defect classification, including: extracting a low-level feature of a defect region from a defect image; encoding the low-level feature by using a defect dictionary to obtain a middle-level semantic feature corresponding to the low-level feature; classifying a defect in the defect region of the defect image into one of a plurality of defect categories based on the middle-level semantic feature, wherein the defect dictionary includes a defect intra-category dictionary and a defect inter-category dictionary.Type: GrantFiled: April 27, 2020Date of Patent: May 17, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiangjun Peng, Yunqi Wang, Chenxi Zhao, Yachong Xue, Gang Li, Yaoyu Lv, Shuo Zhang, Minglei Chu, Lili Chen, Hao Zhang
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Publication number: 20220132098Abstract: A three-dimensional display apparatus includes: a display layer and a transmissive phase modulator, wherein the transmissive phase modulator is disposed on a light exit side of the display layer, and includes a plurality of modulation units; and each of the modulation units is configured to perform phase modulation on light received by the modulation unit, and is configured such that a picture displayed by the display layer is presented as a contiguous curved virtual image after being processed by the transmissive phase modulator.Type: ApplicationFiled: August 26, 2019Publication date: April 28, 2022Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Minglei Chu, Hongzhen Xue, Guixin Yan, Zehua Dong, Huidong He, Chenxi Zhao, Xiangjun Peng, Yaoyu Lv, Yukun Sun, Qingwen Fan, Yachong Xue
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Publication number: 20220095070Abstract: A display device, a method for realizing panoramic sound, a non-transitory storage medium are provided. The method includes: performing space model parameter modification on preset space model based on application environment; determining middle audio source information based on video source information as read, determining side audio source information based on video source information and modified space model parameter; determining top audio source information based on sound image position information and side audio source information; controlling middle sound production circuit to produce sound based on middle audio source information, two side sound production circuits to produce sound based on side audio source information, top sound production circuit to produce sound based on top audio source information.Type: ApplicationFiled: September 24, 2021Publication date: March 24, 2022Inventors: Yanhui XI, Xiaomang ZHANG, Zhihua JI, Tiankuo SHI, Yan SUN, Shuo ZHANG, Xiangjun PENG, Yifan HOU, Chenxi ZHAO, Minglei CHU
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Patent number: 11270657Abstract: The present disclosure provides a method for driving a display device, an apparatus for driving a display device, a display device and a computer readable medium. The display device includes a backlight module, and the backlight module includes a plurality of backlight partitions. The driving method may include: determining backlight signal values of the plurality of backlight partitions according to input grayscale values of pixels in an image to be displayed; determining a backlight jump value of each of the plurality of backlight partitions according to the backlight signal values of the plurality of backlight partition; adjusting the backlight signal values of the plurality of backlight partitions according to the backlight jump values to obtain adjusted backlight signal values; and driving the backlight module to emit light using the adjusted backlight signal values of the plurality of backlight partitions.Type: GrantFiled: April 13, 2020Date of Patent: March 8, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chenxi Zhao, Hao Zhang, Lili Chen, Minglei Chu, Xiangjun Peng, Yachong Xue, Gang Li, Shuo Zhang, Yaoyu Lv, Mingyang Yan
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Patent number: 11244637Abstract: The present disclosure relates to a backlight control method and apparatus for a backlight module, a display device and a computer readable storage medium. The backlight module includes a plurality of backlight partitions. The backlight control method includes, for each backlight partition: determining a first brightness change threshold according to an output backlight brightness corresponding to a previous frame image; and determining, according to a difference between an initial backlight brightness of a current frame image and the output backlight brightness corresponding to the previous frame image and the first brightness change threshold, the output backlight brightness corresponding to the current frame image.Type: GrantFiled: April 7, 2020Date of Patent: February 8, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingyang Yan, Zhifu Li, Jinghua Miao, Yukun Sun, Wenyu Li, Lili Chen, Hao Zhang, Chenxi Zhao
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Patent number: 11205070Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.Type: GrantFiled: May 31, 2019Date of Patent: December 21, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Minglei Chu, Huidong He, Shuo Zhang, Gang Li, Xiangjun Peng, Chenxi Zhao, Yaoyu Lv
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Patent number: 11144799Abstract: An image classification method, a computer device, and a medium are disclosed. The method includes: acquiring a middle-level semantic feature of an image to be classified through a visual dictionary; and classifying the image to be classified according to the middle-level semantic feature of the image to be classified using a classification model based on middle-level semantic features.Type: GrantFiled: August 30, 2019Date of Patent: October 12, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiangjun Peng, Yunqi Wang, Chenxi Zhao, Yachong Xue, Gang Li, Yaoyu Lv, Shuo Zhang, Huidong He, Yadong Ding, Minglei Chu, Lili Chen, Hao Zhang
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Publication number: 20210166638Abstract: The present disclosure relates to a backlight control method and apparatus for a backlight module, a display device and a computer readable storage medium. The backlight module includes a plurality of backlight partitions. The backlight control method includes, for each backlight partition: determining a first brightness change threshold according to an output backlight brightness corresponding to a previous frame image; and determining, according to a difference between an initial backlight brightness of a current frame image and the output backlight brightness corresponding to the previous frame image and the first brightness change threshold, the output backlight brightness corresponding to the current frame image.Type: ApplicationFiled: April 7, 2020Publication date: June 3, 2021Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingyang YAN, Zhifu LI, Jinghua MIAO, Yukun SUN, Wenyu LI, Lili CHEN, Hao ZHANG, Chenxi ZHAO
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Publication number: 20210158766Abstract: The present disclosure provides a method for driving a display device, an apparatus for driving a display device, a display device and a computer readable medium. The display device includes a backlight module, and the backlight module includes a plurality of backlight partitions. The driving method may include: determining backlight signal values of the plurality of backlight partitions according to input grayscale values of pixels in an image to be displayed; determining a backlight jump value of each of the plurality of backlight partitions according to the backlight signal values of the plurality of backlight partition; adjusting the backlight signal values of the plurality of backlight partitions according to the backlight jump values to obtain adjusted backlight signal values; and driving the backlight module to emit light using the adjusted backlight signal values of the plurality of backlight partitions.Type: ApplicationFiled: April 13, 2020Publication date: May 27, 2021Inventors: Chenxi Zhao, Hao Zhang, Lili Chen, Minglei Chu, Xiangjun Peng, Yachong Xue, Gang Li, Shuo Zhang, Yaoyu Lv, Mingyang Yan
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Publication number: 20210092339Abstract: Embodiments of the present disclosure relate to a method for analyzing an imaging quality of an imaging system. The imaging system comprises a spatial light modulator. The spatial light modulator comprises pixel units arranged in an array. The method comprises obtaining a transmittance distribution function of the spatial light modulator based on a structural parameter of the pixel unit, wherein the structural parameter is an aperture ratio. The imaging quality analysis parameter of the imaging system is obtained based on the transmittance distribution function of the spatial light modulator. Then, the imaging quality of the imaging system is analyzed based on the imaging quality analysis parameter.Type: ApplicationFiled: April 30, 2020Publication date: March 25, 2021Inventors: Shuo ZHANG, Hao ZHANG, Lili CHEN, Hongzhen XUE, Minglei CHU, Guixin YAN, Yukun SUN, Chenxi ZHAO, Zehua DONG, Xiangjun PENG, Yaoyu LV, Yachong XUE, Huidong HE, Qingwen FAN
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Publication number: 20210073509Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.Type: ApplicationFiled: May 31, 2019Publication date: March 11, 2021Inventors: Yachong XUE, Hao ZHANG, Lili CHEN, Jiankang SUN, Minglei CHU, Huidong HE, Shuo ZHANG, Gang LI, Xiangjun PENG, Chenxi ZHAO, Yaoyu LV
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Publication number: 20210056917Abstract: The present disclosure provides a method for backlight control, a display device, an electronic device and a computer readable storage medium. The display device may include a backlight module and a display unit. The backlight module includes backlight partitions. The method comprises: determining, with respect to a current frame image, a first backlight brightness value for each backlight partition; determining a scene type of the current frame image according to the first backlight brightness value and a ratio of black regions in the current frame image; obtaining an actual backlight brightness value for each of the plurality of the backlight partitions with respect to the current frame image, by processing the first backlight brightness value according to the scene type determined; and driving the backlight module with the actual backlight brightness value, so as to adjust the backlight brightness for each backlight partition in the backlight module.Type: ApplicationFiled: March 17, 2020Publication date: February 25, 2021Inventors: Mingyang Yan, Chenxi Zhao, Jinghua Miao, Yukun Sun, Wenyu Li, Zhifu Li, Hao Zhang, Lili Chen
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Patent number: 10927612Abstract: The present invention provides a downhole auxiliary drilling apparatus, including an impact energy generator capable of converting the energy of the drilling fluid to the axial impact energy, and an impact energy distributor capable of redistributing the impact energy generated by the impact energy generator to convert the axial impact force into a combined impact force, which provides the drilling bit with a high-frequently changing combined impact force, thus greatly improving the rock breaking efficiency and the rate of penetration of the drilling tool. The downhole auxiliary drilling apparatus is further provided with a shock-absorbing and torque-stabilizing device arranged between the impact energy generator and the impact energy distributor, which can reduce the axial vibration of the drilling tool and the damage on the drilling bit, and greatly extend the lifetime of the drilling bit.Type: GrantFiled: April 2, 2019Date of Patent: February 23, 2021Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERINGInventors: Yijin Zeng, Qunai Hu, Chenxi Zhao, Xiaojie Cui, Jianjun Zhao, Lanrong Ma, Guangming Cheng, Lianzhong Sun, Naihe Hou
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Publication number: 20210027454Abstract: The disclosure provides a method for defect classification, including: extracting a low-level feature of a defect region from a defect image; encoding the low-level feature by using a defect dictionary to obtain a middle-level semantic feature corresponding to the low-level feature; classifying a defect in the defect region of the defect image into one of a plurality of defect categories based on the middle-level semantic feature, wherein the defect dictionary includes a defect intra-category dictionary and a defect inter-category dictionary.Type: ApplicationFiled: April 27, 2020Publication date: January 28, 2021Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiangjun Peng, Yunqi Wang, Chenxi Zhao, Yachong Xue, Gang Li, Yaoyu Lv, Shuo Zhang, Minglei Chu, Lili Chen, Hao Zhang
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Publication number: 20200410688Abstract: An image segmentation method, an image segmentation apparatus, an image segmentation device are provided, the image segmentation method including: extracting, from a current frame of a video image, a skeleton two-dimensional estimation and a skeleton three-dimensional estimation of a human three-dimensional skeleton; obtaining a target three-dimensional skeleton based on the skeleton two-dimensional estimation and the skeleton three-dimensional estimation; implementing image segmentation based on the target three-dimensional skeleton; wherein the human three-dimensional skeleton has multiple nodes, and the video image is a two-dimensional image, when calculating the target three-dimensional skeleton in the current frame, by comprehensively considering the skeleton two-dimensional estimation and skeleton three-dimensional skeleton estimation of the human three-dimensional skeleton in the current frame, the accuracy and robustness of the obtained target three-dimensional skeleton can be improved, thereby improvType: ApplicationFiled: June 24, 2020Publication date: December 31, 2020Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yaoyu Lv, Lili Chen, Hao Zhang, Fuqiang Ma, Jiankang Sun, Shuo Zhang, Gang Li, Yachong Xue, Xiangjun Peng, Chenxi Zhao
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Publication number: 20200285917Abstract: An image classification method, a computer device, and a medium are disclosed. The method includes: acquiring a middle-level semantic feature of an image to be classified through a visual dictionary; and classifying the image to be classified according to the middle-level semantic feature of the image to be classified using a classification model based on middle-level semantic features.Type: ApplicationFiled: August 30, 2019Publication date: September 10, 2020Inventors: Xiangjun Peng, Yunqi Wang, Chenxi Zhao, Yachong Xue, Gang Li, Yaoyu Lv, Shuo Zhang, Huidong He, Yadong Ding, Minglei Chu, Lili Chen, Hao Zhang
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Publication number: 20190330931Abstract: The present invention provides a downhole auxiliary drilling apparatus, including an impact energy generator capable of converting the energy of the drilling fluid to the axial impact energy, and an impact energy distributor capable of redistributing the impact energy generated by the impact energy generator to convert the axial impact force into a combined impact force, which provides the drilling bit with a high-frequently changing combined impact force, thus greatly improving the rock breaking efficiency and the rate of penetration of the drilling tool. The downhole auxiliary drilling apparatus is further provided with a shock-absorbing and torque-stabilizing device arranged between the impact energy generator and the impact energy distributor, which can reduce the axial vibration of the drilling tool and the damage on the drilling bit, and greatly extend the lifetime of the drilling bit.Type: ApplicationFiled: April 2, 2019Publication date: October 31, 2019Inventors: Yijin ZENG, Qunai HU, Chenxi ZHAO, Xiaojie CUI, Jianjun ZHAO, Lanrong MA, Guangming CHENG, Lianzhong SUN, Naihe HOU
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Patent number: 10048986Abstract: The present invention relates to a method and device for allocating a browser process. The method comprises: first, obtaining data related to a current system operating environment, and then allocating a browser process based on the data. The present invention allocates the browser process intelligently according to the current system operating environment, maximally improving the performance in use of the browser, and can be applied in any kind of electronic devices.Type: GrantFiled: February 6, 2012Date of Patent: August 14, 2018Assignee: BEIJING QIHOO TECHNOLOGY COMPANY LIMITEDInventors: Hongwei Liu, Chenxi Zhao, Zhenyu Xie
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Patent number: 10003633Abstract: The present invention relates to a method and a device for resuming download. The method for resuming download comprises: converting a file incompletely downloaded by a first download tool to a file identifiable to a second download tool, so that the second download tool resumes downloading the incompletely-downloaded file, wherein the first download tool and the second download tool are different download tools. The present invention implements relay download of different download tools, and can be applied to file download, so as to avoid wasting network resources and time of users.Type: GrantFiled: March 5, 2012Date of Patent: June 19, 2018Assignee: BEIJING QIHOO TECHNOLOGY COMPANY LIMITEDInventors: Chenxi Zhao, Jinwei Li, Zhenyu Xie