Patents by Inventor Liangliang Pan
Liangliang Pan 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: 20250104660Abstract: A driving method for a display panel (100), a driving apparatus (200) for a display panel, and a display apparatus. The driving method includes: when in a first driving mode, determining a refresh region and a non-refresh region in a display panel (100) (S10); and inputting a first clock signal to a gate drive circuit (110) according to the refresh region and the non-refresh region, such that the gate drive circuit (110) outputs a first gate scan signal to a gate line in the non-refresh region, and outputs a second gate scan signal to a gate line in the refresh region (S20). The duration in which an active level of a first gate scan signal is maintained is less than the duration in which an active level of a second gate scan signal is maintained.Type: ApplicationFiled: April 17, 2023Publication date: March 27, 2025Inventors: Liguang DENG, Dong WANG, Gang HUA, Shaobo LI, Min WANG, Jintang HU, Liangliang PAN, Jinghao LIU, Jiahao BAI, Zhining LIN, Xinyu CHEN
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Patent number: 12165354Abstract: The present application discloses a pose estimation method and device, related equipment and a storage medium. In the pose estimation method, a visual observation model constraint is constructed according to images, a motion model constraint is constructed according to inertial data, and a pose of a camera, an inertial measurement unit or an object that corresponds to the time of each image is calculated according to the visual observation model constraint and the motion model constraint. The pose estimation method adopts a fusion model of the visual observation model constraint and the motion model constraint to improve the accuracy, stability and robustness of pose estimation in a complex scene.Type: GrantFiled: March 10, 2022Date of Patent: December 10, 2024Assignee: BEIJING TUSEN ZHITU TECHNOLOGY CO., LTD.Inventors: Liangliang Pan, Ji Zhao
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Publication number: 20240355301Abstract: An electronic paper display device includes a first base substrate, and a plurality of sub-pixels on the first base substrate. Each sub-pixel includes: a first electrode on the first base substrate; a second electrode on the first electrode and including a plurality of grooves passing through thereof, the orthographic projection of the grooves on the first base substrate falling within the orthographic projection of the first electrode on the first base substrate; a microstructure on the side of the second electrode away from the first base substrate and including a paper film microcavity and a plurality of charged particles in the paper film microcavity, where the plurality of charged particles include a plurality of first color charged particles and a plurality of second color charged particles with opposite electrical properties; and a third electrode on the side of the microstructure away from the second electrode.Type: ApplicationFiled: November 23, 2021Publication date: October 24, 2024Inventors: Zhe WANG, Guangquan WANG, Liguang DENG, Gang HUA, Dong WANG, Min WANG, Shaobo LI, Jintang HU, Shaokai SU, Jinghao LIU, Liangliang PAN, Jiahao BAI, Zhining LIN, Xinyu CHEN, Zixi QI
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Patent number: 12092740Abstract: A positioning method and device based on multi-sensor fusion are provided and relates to object positioning field. The method includes obtaining sensor data collected by various sensors on a movable object in real time; temporally and spatially synchronizing sensor data collected by the sensors to form various temporally and spatially synchronized sensor data; performing data preprocessing and correlation on the temporally and spatially synchronized sensor data to form to-be-jointly-optimized sensor data; obtaining state information at each time point before a current time point in a preset sliding window; and determining a current pose state of the movable object by performing a joint optimization according to the to-be-jointly-optimized sensor data and the state information at each time point before the current time point in the sliding window. The movable object can be accurately positioned in scenarios where GPS signals are lost, jumping exists, or LiDAR observation is degraded seriously.Type: GrantFiled: July 16, 2021Date of Patent: September 17, 2024Assignee: Beijing Tusen Weilai Technology Co., Ltd.Inventors: Liangliang Pan, Ji Zhao, Kaijin Ji
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Patent number: 12073508Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: GrantFiled: July 11, 2022Date of Patent: August 27, 2024Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi Duan, Chao Fu, Da Wu, Wenqing Liu, Liangliang Pan, Weidong Zhang
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Publication number: 20240274609Abstract: A display substrate includes a base substrate, the base substrate including a display region, and the display region including a plurality of pixel regions; and at least four conductive layers arranged in a stacked manner, located on the base substrate, wherein any two adjacent conductive layers are arranged in an insulated manner, each of the conductive layers includes conductive patterns located in the pixel regions, the conductive patterns of any two adjacent conductive layers in the same pixel region form a storage capacitor (e.g., Cst1, Cst2 and Cst3), and in a direction perpendicular to the base substrate, projections of the at least four conductive layers on the base substrate overlap. A manufacturing method of a display substrate and a display device are further provided.Type: ApplicationFiled: February 24, 2022Publication date: August 15, 2024Inventors: Min WANG, Zhe WANG, Gang HUA, Liguang DENG, Dong WANG, Shaobo LI, Jintang HU, Jinghao LIU, Shaokai SU, Liangliang PAN, Jiahao BAI, Zhining LIN, Xinyu CHEN, Zixi QI, Pengqu ZHANG
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Patent number: 12044944Abstract: Electronic paper includes a display panel and a drive component. The display panel may include a plurality of pixels disposed in a display region and a photoelectric conversion transistor disposed in a non-display region. The drive component is electrically connected to the plurality of pixels, and is electrically connected to a current output terminal of the photoelectric conversion transistor.Type: GrantFiled: July 15, 2021Date of Patent: July 23, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shaokai Su, Liguang Deng, Gang Hua, Min Wang, Zhe Wang, Dong Wang, Shaobo Li, Meng Gong, Pengkai Fan, Jintang Hu, Liangliang Pan, Jinghao Liu
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Publication number: 20240152020Abstract: A pixel structure, an array substrate, a display panel and a display device. The pixel structure includes a gate line (10), a data line (20), a gate (30), a first electrode (40), a second electrode (50), and a third electrode (60); the gate (30) is connected to the gate line (10); the first electrode (40) is connected to the data line (20); and the second electrode (50) has a first portion and a second portion that are distributed in the extending direction of the second electrode, wherein the first portion of the second electrode (50) cooperates with the first electrode (40) and the gate (30) to form a first thin film transistor, and the second portion of the second electrode (50) cooperates with the third electrode (60) and the gate (30) to form a second thin film transistor.Type: ApplicationFiled: October 22, 2021Publication date: May 9, 2024Inventors: Jintang HU, Gang HUA, Liguang DENG, Min WANG, Shaobo LI, Pengkai FAN, Jinghao LIU, Shaokai SU, Liangliang PAN, Dong WANG, Zhe WANG, Zixi QI
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Publication number: 20220343589Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: ApplicationFiled: July 11, 2022Publication date: October 27, 2022Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi DUAN, Chao FU, Da WU, Wenqing LIU, Liangliang PAN, Weidong ZHANG
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Publication number: 20220292711Abstract: The present application discloses a pose estimation method and device, related equipment and a storage medium. In the pose estimation method, a visual observation model constraint is constructed according to images, a motion model constraint is constructed according to inertial data, and a pose of a camera, an inertial measurement unit or an object that corresponds to the time of each image is calculated according to the visual observation model constraint and the motion model constraint. The pose estimation method adopts a fusion model of the visual observation model constraint and the motion model constraint to improve the accuracy, stability and robustness of pose estimation in a complex scene.Type: ApplicationFiled: March 10, 2022Publication date: September 15, 2022Inventors: Liangliang PAN, Ji ZHAO
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Publication number: 20220252955Abstract: An electronic paper is provided. An array substrate in the electronic paper includes a base, as well as a pixel electrode, a thin film transistor, and a shielding electrode that are disposed on the base. An orthographic projection of an active layer in the thin film transistor on the base is within an orthographic projection of the shielding electrode on the base and is within an orthographic projection of the pixel electrode on the base.Type: ApplicationFiled: November 29, 2021Publication date: August 11, 2022Inventors: Gang HUA, Min WANG, Shaokai SU, Dong WANG, Zhe WANG, Shaobo LI, Meng GONG, Jintang HU, Jinghao LIU, Liangliang PAN, Guangquan WANG, Liguang DENG, Pengkai FAN
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Patent number: 11403809Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: GrantFiled: June 22, 2020Date of Patent: August 2, 2022Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi Duan, Chao Fu, Da Wu, Wenqing Liu, Liangliang Pan, Weidong Zhang
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Publication number: 20220187672Abstract: Electronic paper includes a display panel and a drive component. The display panel may include a plurality of pixels disposed in a display region and a photoelectric conversion transistor disposed in a non-display region. The drive component is electrically connected to the plurality of pixels, and is electrically connected to a current output terminal of the photoelectric conversion transistor.Type: ApplicationFiled: July 15, 2021Publication date: June 16, 2022Inventors: Shaokai Su, Liguang Deng, Gang Hua, Min Wang, Zhe Wang, Dong Wang, Shaobo Li, Meng Gong, Pengkai Fan, Jintang Hu, Liangliang Pan, Jinghao Liu
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Publication number: 20220018962Abstract: A positioning method and device based on multi-sensor fusion are provided and relates to object positioning field. The method includes obtaining sensor data collected by various sensors on a movable object in real time; temporally and spatially synchronizing sensor data collected by the sensors to form various temporally and spatially synchronized sensor data; performing data preprocessing and correlation on the temporally and spatially synchronized sensor data to form to-be-jointly-optimized sensor data; obtaining state information at each time point before a current time point in a preset sliding window; and determining a current pose state of the movable object by performing a joint optimization according to the to-be-jointly-optimized sensor data and the state information at each time point before the current time point in the sliding window. The movable object can be accurately positioned in scenarios where GPS signals are lost, jumping exists, or LiDAR observation is degraded seriously.Type: ApplicationFiled: July 16, 2021Publication date: January 20, 2022Inventors: Liangliang PAN, Ji ZHAO, Kaijin JI
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Publication number: 20200320778Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: ApplicationFiled: June 22, 2020Publication date: October 8, 2020Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi Duan, Chao Fu, Da Wu, Wenqing Liu, Liangliang Pan, Weidong Zhang
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Patent number: 10692272Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: GrantFiled: July 13, 2015Date of Patent: June 23, 2020Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi Duan, Chao Fu, Da Wu, Wenqing Liu, Liangliang Pan, Weidong Zhang
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Patent number: 10181191Abstract: A method and system for image processing is provided. The technique includes acquiring data related to the processing, performing a pre-processing of the data, performing a segmentation of a subject, performing a post-processing of the result of the segmentation and managing storage of the data. The post-process includes a calibrating and a rendering of the data.Type: GrantFiled: October 31, 2015Date of Patent: January 15, 2019Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Lilong Wang, Jieyan Ma, Jiyong Wang, Ce Wang, Lianghai Jin, Zhao Zhang, Fei Wang, Cheng Li, Qi Duan, Wenqing Liu, Chuanfeng Lyu, Jie Qu, Yong Luo, Liangliang Pan, Rui Wang, Shili Cao, Yufei Mao, Bin Tan, Wenhua Wang, Shuai Wang, Fanfan Zhang
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Patent number: 9773306Abstract: A method for quantifying caries, executed at least in part on data processing hardware, the method comprising generating a digital image of a tooth, the image comprising intensity values for a region of pixels corresponding to the tooth, gum, and background; extracting a lesion area from sound tooth regions by identifying tooth regions, extracting suspicious lesion areas, and removing false positives; identifying an adjacent sound region that is adjacent to the extracted lesion area; reconstructing intensity values for tooth tissue within the lesion area according to values in the adjacent sound region; and quantifying the condition of the caries using the reconstructed intensity values and intensity values from the lesion area.Type: GrantFiled: March 5, 2014Date of Patent: September 26, 2017Assignee: Carestream Health, Inc.Inventors: Liangliang Pan, Jiayong Yan, Wei Wang, Lixing Shi, Victor C. Wong
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Publication number: 20170249744Abstract: A method and system for image processing is provided. The technique includes acquiring data related to the processing, performing a pre-processing of the data, performing a segmentation of a subject, performing a post-processing of the result of the segmentation and managing storage of the data. The post-process includes a calibrating and a rendering of the data.Type: ApplicationFiled: October 31, 2015Publication date: August 31, 2017Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Lilong WANG, Jieyan MA, Jiyong WANG, Ce WANG, Lianghai JIN, Zhao ZHANG, Fei WANG, Cheng LI, Qi DUAN, Wenqing LIU, Chuanfeng LYU, Jie QU, Yong LUO, Liangliang PAN, Rui WANG, Shili CAO, Yufei MAO, Bin TAN, Wenhua WANG, Shuai WANG, Fanfan ZHANG
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Publication number: 20160232703Abstract: The present invention relates to a system and method for image processing. An image data processing system is disclosed comprising an image cutting engine for image cutting based on image data; a region of interest processing engine for selecting at least a rendering method for a region of interest; a processing engine for adjusting sampling rate; and rendering engine for rendering the image, with the rendering method selected by the region of interest processing engine. More particularly, the present invention relates to image processing techniques that perform image manipulation, volume rendering, displaying targeted regions of interest and other related functions.Type: ApplicationFiled: July 13, 2015Publication date: August 11, 2016Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Qi DUAN, Chao FU, Da WU, Wenqing LIU, Liangliang PAN, Weidong ZHANG