Patents by Inventor Li Yu

Li Yu 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).

  • Publication number: 20210408338
    Abstract: A light-emitting device comprises a semiconductor stack emitting a light with a peak wavelength ?; and a light field adjustment layer formed on the semiconductor stack, wherein the light field adjustment layer comprises a plurality of first layers and a plurality of second layers alternately stacked on top of each other, the plurality of first layers each comprises a first optical thickness, and the plurality of second layers each comprises a second optical thickness.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 30, 2021
    Inventors: Heng-Ying CHO, Li-Yu SHEN, Chih-Hao CHEN, Keng-Lin CHUANG
  • Patent number: 11205281
    Abstract: The present invention provides a method and a device for image rectification, which is applied to the field of image processing. The method includes: receiving two images, wherein the two images are images of a target object captured at different viewpoints, and an image capturing device configured to capture the two images, includes a first image capturing device and a second image capturing device; determining positions of corresponding feature point pairs in the two images; and aligning the two images according to the positions of the feature point pairs and parameters of the first image capturing device and the second image capturing device. The above-mentioned method can rectify the images captured at different viewpoints, thereby ensuring the alignment of pixels, and avoiding visual discomfort of the viewer.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: December 21, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Li Yu, Wang Miao, Xin Fan
  • Publication number: 20210370968
    Abstract: In one embodiment, a system receives a stream of frames of point clouds from one or more LIDAR sensors of an ADV and corresponding poses in real-time. The system extracts segment information for each frame of the stream based on geometric or spatial attributes of points in the frame, where the segment information includes one or more segments of at least a first frame corresponding to a first pose. The system registers the stream of frames based on the segment information. The system generates a first point cloud map for the stream of frames based on the frame registration.
    Type: Application
    Filed: January 30, 2019
    Publication date: December 2, 2021
    Inventors: Yong Xiao, Runxin He, Pengfei Yuan, Li Yu, Shiyu Song
  • Patent number: 11187355
    Abstract: Fluid coupling (10), comprising: a first member (20) configured for connection with a first fluid conduit (16); a second member (30) configured for connection with a second fluid conduit (18); a nut (50) disposed at least partially around the first member (20), the nut (50) configured to engage the second member (30); and a sleeve (60) configured to rotate the nut (50) and cause or facilitate engagement between the nut (50) and the second member (30).
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: November 30, 2021
    Assignee: Eaton Intelligent Power Limited
    Inventors: Jason C. Gauss, Donald K. Benko, Li Yu, Xin Zhou, Sumit Varma
  • Publication number: 20210364687
    Abstract: A light-emitting device and a light emitting module are provided. The light emitting module includes a housing, at least one light guide element, and at least one light emitting element. The housing includes at least one passage passing through its a first surface and a second surface, and a coupling portion formed on an inner surface adjacent to the second surface. The light guide element arranged in the at least one passage has a light emergent surface exposed at one end of the at least one passage and a light incident surface exposed at the other end of the at least one passage. The light emitting element is coupled to the housing by the coupling portion. The light emitting element includes a light emitting surface facing to the light incident surface of the light guide element and a soldering portion exposed from the housing.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 25, 2021
    Inventors: CHENG-HAN WANG, SZU-TSUNG KAO, CHIH-LI YU, CHENG-HONG SU, CHUN-WEI HUANG, CHEN-HSIU LIN
  • Publication number: 20210358213
    Abstract: A method, an electronic device and a readable storage medium for point cloud data processing, which may be used for autonomous driving, are disclosed. The feature vectors of respective points in the first point cloud data and second point cloud data are pre-learned, and thus the feature vectors of the first key points may be determined directly based on the learnt second feature vectors of respective first neighboring points of the respective first key points in the first point cloud data, and the feature vectors of the candidate key points may be determined directly based on the learnt third feature vectors of the respective second neighboring points of respective candidate key points in the second point cloud data corresponding to the first key points.
    Type: Application
    Filed: March 19, 2021
    Publication date: November 18, 2021
    Inventors: Li Yu, Weixin Lu, Guowei Wan, Liang Peng, Shiyu Song
  • Publication number: 20210358841
    Abstract: A semiconductor device includes a first interlayer dielectric layer disposed over a substrate, metal wirings, a second interlayer dielectric layer disposed over the first interlayer dielectric layer and the metal wirings, a first air gap and a second air gap. The metal wirings are embedded in the first interlayer dielectric layer, and arranged with a first space or a second space between the metal wirings. The second space has a greater length than the first space. The first air gap is formed by the second interlayer dielectric layer and formed in a first area sandwiched by adjacent two metal wirings arranged with the first space. The second air gap is formed by the second interlayer dielectric layer and formed in a second area sandwiched by adjacent two metal wirings arranged with the second space therebetween. No adjacent two metal wirings are arranged with a space smaller than the first space.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Inventors: Yu-Bey WU, Dian-Hau CHEN, Jye-Yen CHENG, Sheng-Hsuan WEI, Li-Yu LEE, Tai-Yang WU
  • Publication number: 20210350147
    Abstract: In one embodiment, a system identifies a road to be navigated by an ADV, the road being captured by one or more point clouds from one or more LIDAR sensors. The system extracts road marking information of the identified road from the point clouds, the road marking information describing one or more road markings of the identified road. The system partitions the road into one or more road partitions based on the road markings. The system generates a point cloud map based on the road partitions, where the point cloud map is utilized to perceive a driving environment surrounding the ADV.
    Type: Application
    Filed: January 30, 2019
    Publication date: November 11, 2021
    Inventors: Pengfei Yuan, Yong Xiao, Runxin He, Li Yu, Shiyu Song
  • Patent number: 11170225
    Abstract: A sequence of video frames of an area of interest is obtained. A first background model of the area of interest is constructed based on a first parameter. A second background model of the area of interest is constructed based on a second parameter, the second parameter being different from the first parameter. A difference between the first and second background models is determined. A stationary target is determined based on the determined difference. An alert concerning the stationary target is generated.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 9, 2021
    Assignee: AVIGILON FORTRESS CORPORATION
    Inventors: Khurram Hassan-Shafique, Peter L. Venetianer, Li Yu, Haiying Liu
  • Publication number: 20210338803
    Abstract: The present invention discloses a dual-molecular DNA vaccine composed of viral antigen and immunization coactivator, which relates to the technical field of biomedicine. The said vector is a DNA plasmid; the viral antigen is any viral immunogenic (antigen) molecule; the immunological activator is a kind of T cell costimulators. The vaccine disclosed in the present invention is that two gene fragments expressing the T cell costimulator and the viral antigen molecule are constructed into one plasmid DNA and will be co-expressed in a cell at the same time to activate the systemic immune response through the two signalings. The dual-molecular DNA vaccine also is a novel platform of vaccine technology, using for development of multiple vaccines to prevention from various infectious diseases. Especially, a dual-molecular DNA vaccine with the SARS-CoV-2 S antigen and T cell costimulator can be constructed through this technology platform to prevent and control global pandemic COVID-19.
    Type: Application
    Filed: May 14, 2020
    Publication date: November 4, 2021
    Inventors: Li YU, Zhen ZENG, Lian ZENG, Mei ZHANG
  • Publication number: 20210334988
    Abstract: In one embodiment, a system receives a number of point clouds captured by one or more LIDAR sensors of an ADV and corresponding poses. The system receives a number of RGB images from one or more image capturing sensors of the ADV. The system synchronizes the RGB images with the point clouds to obtain RGB point clouds. The system extracts features from the RGB point clouds, the features including contextual and spatial information of the RGB point clouds. The system registers the RGB point clouds based on the extracted features and generates a point cloud map based on the registration of the RGB point clouds.
    Type: Application
    Filed: January 30, 2019
    Publication date: October 28, 2021
    Inventors: Yong Xiao, Runxin He, Pengfei Yuan, Li Yu, Shiyu Song
  • Publication number: 20210323572
    Abstract: In one embodiment, a system is disclosed for registration of point clouds for autonomous driving vehicles (ADV). The system receives a number of point clouds and corresponding poses from ADVs equipped with LIDAR sensors capturing point clouds of a navigable area to be mapped, where the point clouds correspond to a first coordinate system. The system partitions the point clouds and the corresponding poses into one or more loop partitions based on navigable loop information captured by the point clouds. For each of the loop partitions, the system applies an optimization model to point clouds corresponding to the loop partition to register the point clouds. They system merges the one or more loop partitions together using a pose graph algorithm, where the merged partitions of point clouds are utilized to perceive a driving environment surrounding the ADV.
    Type: Application
    Filed: January 30, 2019
    Publication date: October 21, 2021
    Inventors: Runxin He, Yong Xiao, Pengfei Yuan, Li Yu, Shiyu Song
  • Publication number: 20210327128
    Abstract: In one embodiment, a system generates an occupancy grid map based on an initial frame of point clouds. The system receives one or more subsequent frames of the point clouds. For each of the subsequent frames, the system updates an occupancy grid map based on the subsequent frame. The system identifies one or more problematic voxels based on the update, the system determines whether the problematic voxels belong to a wall object, and in response to determining that the problematic voxels belong to a wall object, the system flags the problematic voxels as ghost effect voxels for the subsequent frame.
    Type: Application
    Filed: January 30, 2019
    Publication date: October 21, 2021
    Inventors: Li Yu, Pengfei Yuan, Yong Xiao, Runxin He, Shiyu Song
  • Publication number: 20210264197
    Abstract: The present disclosure provides a point cloud data processing method, apparatus, electronic device and computer readable storage medium, which relates to computer vision technology and may be used for autonomous driving.
    Type: Application
    Filed: February 24, 2021
    Publication date: August 26, 2021
    Inventors: Weixin Lu, Guowei Wan, Li Yu, Liang Peng, Shiyu Song
  • Publication number: 20210263366
    Abstract: A display panel driving chip includes a plurality of gate signal output ports and a plurality of source signal output ports. The source signal output ports outputting a plurality of source signals and the gate signal output ports outputting a plurality of gate signals are interleaved.
    Type: Application
    Filed: September 11, 2020
    Publication date: August 26, 2021
    Inventors: Kai-Yi Wu, Yun-Chu Chen, Li-Yu Huang
  • Publication number: 20210241712
    Abstract: A driving circuit for a display panel includes a common voltage generating circuit. The common voltage generating circuit is coupled to multiple common electrodes of the display panel and configured to provide multiple common voltages respectively to the common electrodes. During a frame period, the common voltage generating circuit respectively changes a voltage level of the common voltages at different time.
    Type: Application
    Filed: September 11, 2020
    Publication date: August 5, 2021
    Inventors: Kai-Yi Wu, Yun-Chu Chen, Li-Yu Huang
  • Patent number: 11080919
    Abstract: Embodiments of the present disclosure relate to a method, apparatus, device and computer readable storage medium for reconstructing a three-dimensional scene. The method for reconstructing a three-dimensional scene includes acquiring a point cloud data frame set for a three-dimensional scene, point cloud data frames in the point cloud data frame set respectively having a pose parameter. The method further comprises determining a subset corresponding to a part of the three-dimensional scene from the point cloud data frame set. The method further comprises adjusting a pose parameter of a point cloud data frame in the subset to obtain an adjusted subset, the adjusted subset including at least two point cloud data frames having matching overlapping parts. The method further comprises updating the point cloud data frame set using the adjusted subset. In this way, distributed processing on a large amount of point cloud data may be realized.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 3, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Li Yu, Shiyu Song
  • Patent number: 11081445
    Abstract: A semiconductor device includes a first interlayer dielectric layer disposed over a substrate, metal wirings, a second interlayer dielectric layer disposed over the first interlayer dielectric layer and the metal wirings, a first air gap and a second air gap. The metal wirings are embedded in the first interlayer dielectric layer, and arranged with a first space or a second space between the metal wirings. The second space has a greater length than the first space. The first air gap is formed by the second interlayer dielectric layer and formed in a first area sandwiched by adjacent two metal wirings arranged with the first space. The second air gap is formed by the second interlayer dielectric layer and formed in a second area sandwiched by adjacent two metal wirings arranged with the second space therebetween. No adjacent two metal wirings are arranged with a space smaller than the first space.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: August 3, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Bey Wu, Dian-Hau Chen, Jye-Yen Cheng, Sheng-Hsuan Wei, Li-Yu Lee, Tai-Yang Wu
  • Patent number: 11055826
    Abstract: An apparatus for image processing includes a processor and a depth camera. The processor obtains a first two-dimensional image and focusing information of the first two-dimensional image, and obtains depth information of a part or all of a content captured in the first two-dimensional image via the depth camera. The processor determines a background area of the first two-dimensional image according to the focusing information. The processor also performs bokeh on the background area of the first two-dimensional image according to the depth information.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: July 6, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Jianhua Lin, Li Yu, Feng Zhou
  • Patent number: 11057469
    Abstract: Embodiments of the present disclosure disclose a method and apparatus for service hosting of a distributed storage system.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 6, 2021
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO, LTD.
    Inventors: Yi Lv, Li Yu, Zhiguang Hu