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公开(公告)号:US20250069345A1
公开(公告)日:2025-02-27
申请号:US17917518
申请日:2022-04-21
Inventor: Bo JU , Xiaoqing YE , Xiao TAN , Hao SUN
Abstract: Disclosed are a method for generating point cloud data, an electronic device and a storage medium. The method includes: acquiring a set of real point clouds for a target object based on a LiDAR; performing image acquisition on the target object, and generating a set of pseudo point clouds based on an acquired image; and generating the set of target point clouds for model training by fusing the set of real point clouds and the set of pseudo point clouds.
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公开(公告)号:US20240144570A1
公开(公告)日:2024-05-02
申请号:US17794081
申请日:2022-01-29
Inventor: Qu CHEN , Xiaoqing YE , Xiao TAN , Hao SUN
Abstract: A method and apparatus for generating a drivable 3D character, an electronic device and a storage medium are disclosed, which relate to the field of artificial intelligence, such as computer vision, deep learning, or the like, and may be applied to 3D vision and other scenarios. The method may include: acquiring a 3D human body mesh model corresponding to a to-be-processed 2D image; performing a skeleton embedding operation on the 3D human body mesh model; and performing a skin binding operation on the 3D human body mesh model after the skeleton embedding operation to obtain a drivable 3D human body mesh model.
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公开(公告)号:US20230245339A1
公开(公告)日:2023-08-03
申请号:US17884275
申请日:2022-08-09
Inventor: Guanying CHEN , Xiaoqing YE , Xiao TAN , Hao SUN
CPC classification number: G06T7/73 , G06V20/46 , G06T19/20 , G06T2207/20081 , G06T2219/2004
Abstract: Provided are a method for adjusting a three-dimensional pose, an electronic device, and a storage medium, relates to the field of artificial intelligence, and specifically to computer vision and deep learning technologies. A specific implementation solution includes acquiring a video currently recorded; estimating multiple two-dimensional key points of a virtual three-dimensional model and an initial three-dimensional pose based on multiple image frames; performing contact detection on a target part of the virtual three-dimensional model by using the multiple two-dimensional key points, to obtain a detection result; determining multiple target three-dimensional key points by means of the detection result and multiple initial three-dimensional key points corresponding to the initial three-dimensional pose; and adjusting the initial three-dimensional pose to a target three-dimensional pose by using the multiple initial three-dimensional key points and the multiple target three-dimensional key points.
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公开(公告)号:US20220366589A1
公开(公告)日:2022-11-17
申请号:US17876408
申请日:2022-07-28
Inventor: Zhikang ZOU , Xiaoqing YE , Hao SUN
Abstract: A method of determining disparity is provided. The implementation scheme is: obtaining a plurality of images corresponding to a target view, wherein each image in the plurality of images is obtained by performing size adjustment on the target view, and each image in the plurality of images has the same size as a feature map output by a corresponding layer structure in a disparity refinement network; and obtaining a refined disparity map output by the disparity refinement network by at least inputting an initial disparity map into the disparity refinement network, and fusing each image in the plurality of images and the feature map output by the corresponding layer structure, wherein the initial disparity map is generated at least based on the target view.
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公开(公告)号:US20230095093A1
公开(公告)日:2023-03-30
申请号:US17807369
申请日:2022-06-16
Inventor: Xiaoqing YE , Hao SUN
IPC: G06V10/776 , G06V20/64 , G06V10/774 , G06V10/22 , G06V10/764 , G06V10/74
Abstract: Provided are a training method and apparatus for a target detection model, a target detection method and apparatus, a device, and a media, which relates to the field of artificial intelligence and, in particular, to computer vision and deep learning technologies, which may be applied to 3D visual scenes. A specific implementation includes acquiring a sample image marked with a difficult region; inputting the sample image into a first target detection model and calculating a first loss corresponding to the difficult region; and increasing the first loss and training the first target detection model according to the increased first loss. In this manner, the accuracy of target detection can be improved and the cost of target detection can be reduced.
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公开(公告)号:US20220358735A1
公开(公告)日:2022-11-10
申请号:US17875124
申请日:2022-07-27
Inventor: Bo JU , Zhikang ZOU , Xiaoqing YE , Xiao TAN , Hao SUN
Abstract: A method for processing an image may include: acquiring a target image; segmenting a target object in the target image, and determining a mask image according to a segmentation result; rendering the target object according to the target image and the mask image and determining a rendering result; and performing AR displaying according to the rendering result. A device and storage medium may implement the method.
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公开(公告)号:US20220351495A1
公开(公告)日:2022-11-03
申请号:US17865261
申请日:2022-07-14
Inventor: Qu CHEN , Xiao TAN , Xiaoqing YE , Hao SUN
Abstract: A method for matching an image feature point, an electronic device, and a storage medium are provided. The method may include: for images in an acquired image sequence, performing operations including: obtaining a mapping image of a current image based on mapping transformation information between adjacent images before the current image; determining in the mapping image a target area for matching with a feature point in a last image frame prior to the current image; matching the feature point in the last image frame with a feature point in the target area corresponding to the feature point, to determine matching information between the feature point of the current image and the feature point of the last image frame; and determining mapping transformation information between the current image and the last image frame, based on the matching information.
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公开(公告)号:US20220215507A1
公开(公告)日:2022-07-07
申请号:US17552182
申请日:2021-12-15
Inventor: Xiaoqing YE , Qu CHEN , Xiao TAN , Hao SUN
IPC: G06T3/40
Abstract: An image stitching method and apparatus, a device, and a medium is provided. An implementation solution is: obtaining a first image and a second image, where the first image and the second image have an overlapping area; determining a first stitching line segment of the first image and a second stitching line segment of the second image, where the second stitching line segment has a first matching line segment in the first image; determining a first stitching area of the first image based on the first stitching line segment and the first matching line segment; configuring a first target canvas at least based on the first stitching area; determining, for each pixel of a plurality of pixels included in the first stitching area, a corresponding mapping pixel in the first target canvas; and mapping pixel values of the plurality of pixels included in the first stitching area to the corresponding mapping pixels in the first target canvas, respectively, to obtain an image to be stitched of the first image.
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公开(公告)号:US20230245364A1
公开(公告)日:2023-08-03
申请号:US17884231
申请日:2022-08-09
Inventor: Guanying CHEN , Zhikang ZOU , Xiaoqing YE , Hao SUN
CPC classification number: G06T13/20 , G06T7/20 , G06T7/80 , G06T2207/30241
Abstract: The present disclosure provides a method for processing a video, an electronic device, and a storage medium. A specific implementation solution includes: generating a first three-dimensional movement trajectory of a virtual three-dimensional model in world space based on attribute information of a target contact surface of the virtual three-dimensional model in the world space; converting the first three-dimensional movement trajectory into a second three-dimensional movement trajectory in camera space, where the camera space is three-dimensional space for shooting an initial video; determining a movement sequence of the virtual three-dimensional model in the camera space according to the second three-dimensional movement trajectory; and compositing the virtual three-dimensional model and the initial video by means of texture information of the virtual three-dimensional model and the movement sequence, to obtain a to-be-played target video.
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公开(公告)号:US20230005171A1
公开(公告)日:2023-01-05
申请号:US17865260
申请日:2022-07-14
Inventor: Wei YANG , Xiaoqing YE , Xiao TAN , Hao SUN
Abstract: A visual positioning method and apparatus, an electronic device, a computer readable storage medium, and a computer program product are provided. The method includes: performing contour enhancement processing on an actual building image included in a image for positioning to obtain an actual building contour, and determining location information of a target building matching the actual building contour from a preset contour map, the contour map being obtained by blurring non-building contour information in a real panoramic map, and finally generating a visual positioning result based on the location information.
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