Byd Company Limited

Tencent Technology (shenzhen) Company Limited

Shanghai United Imaging Healthcare Co., Ltd.

Schneider Electric Industries Sas

Shanghai United Imaging Intelligence Co., Ltd.

Shenzhen Yinwang Intelligent Technologies Co., Ltd.

Sangfor Networks Company Limited

Shanghai Belling Corp., Ltd.

Tencent Technology Company Limited

Nan Liu

Xiaohua Tang

Xuguang Zhou

Jian Gong

Guangming Yang

Guobin Li

Ming Chang Yu

Feng Xue

Yifan Guo

Xiaoqian Huang

Huifu Jiang

Yang Xin

Kai Liu

Hongbin Luo

Shu Liao

Xianhong Jiang

Liang Liu

Rong Li

Yi Guo

Mingchao Li

Hang Liu

Yi Ren

Min Ren

Hui Fu Jiang

Hui Li

Chuanfu Wang

Ting Luo

Yi Ting Zhou

Xin Wan Wu

Yi Xu

Guangquan Chen

Zhaopeng Li

Miao Yang

Lingrui Cui

Yingwu Xu

Yijian Lai

Binyuan Zhao

Yaning Liu

Qiaoqiao Wu

Jinguang Zong

Fengkai Wu

Ning Lu

Ruru Niu

Ran Zhang

Yunhao Liao

Xinwan Wu

Dajun Wu

Yiting Zhou

Ling Rui Cui

Ding Hui Xu

Xu Bin Lu

Zhouping Tang

Linlin Sui

Hua Zong

Pengzhuang Tang

Shuopei Liu

Sheng Fei Xia

Zhengcai Qin

Qifu Liu

Chengjie Zhou

Jinqian Li

Ruzhong Luo

Gexin Zheng

Xubin Lu

Shengfei Xia

Ming Yu

The present disclosure relates to vehicle control methods and apparatuses, applied to fields such as intelligent vehicles. In one example method, an authentication apparatus (for example, a road side apparatus, a vehicle management platform, or a special vehicle) is assigned control permission for a vehicle. When an unlocking requester has a requirement for opening a vehicle lock, the authentication apparatus may indicate to open the vehicle lock. Accordingly, the unlocking requester can open the vehicle lock in a timely manner when a vehicle owner is not near the vehicle or a passenger on the vehicle cannot control the vehicle.

Vehicle control method and related apparatus

This application relates to a method of processing augmented reality (AR) data at a terminal, and a storage medium, and the AR data propagation method includes: receiving AR data, the AR data carrying AR recognition data and being generated by a source terminal; displaying the AR data according to the AR recognition data; in response to receiving a user instruction, updating the AR data according to the user instruction; and sharing the updated AR data with a target terminal. With the solutions provided in this application, users can implement AR interactions with virtual world data by using a terminal with a relatively low configuration.

Augmented reality data dissemination method, system and terminal and storage medium

Embodiments of this application disclose a virtual scene switching method and apparatus, a terminal device, and a storage medium, to improve the service adaptability of a portal, improve the application scenario of the portal, and enhance traversal experience of a user. In this method, when a terminal device determines that a relative position between a target virtual object and a target scene switching trigger meets a predetermined position relationship, it may be determined that the target virtual object intends to pass through the target scene switching trigger. In this case, the terminal device may add a target 3D model to a position of the target scene switching trigger, and a moving path of the target virtual object passing through the target scene switching trigger is lengthened in a manner similar to thickening the target scene switching trigger, to implicitly increase the thickness of the target scene switching trigger, and reducing or even eliminating an abrupt feeling during a traversal, to allow the target virtual object to experience an immersive traversal.

Virtual scene switching method and apparatus, terminal device, and storage medium

The disclosure relates to systems and methods for magnetic resonance imaging (MRI). A method may include obtaining k-space data associated with MR signals acquired by an MR scanner. The k-space data may corresponding to a first sampling rate. The method may also include generating one or more estimated images based on the k-space data and a target neural network model. The one or more estimated images may correspond to a second sampling rate that exceeds the first sampling rate. The method may further include determining one or more target images based on the one or more estimated images and the k-space data using a compressed sensing model. The compressed sensing model may be constructed based on the one or more estimated images.

Systems and methods for magnetic resonance image reconstruction

A method may include obtaining a plurality of groups of imaging data. Each group of the plurality of groups of imaging data may be generated based on MR signals acquired by an MR scanner via scanning a subject using a diffusion sequence. The method may also include determining one or more correction coefficients associated with an error caused by the diffusion sequence for each group of the plurality of groups of imaging data. The method may also include determining, based on the one or more correction coefficients corresponding to the each group of the plurality of groups of imaging data, a plurality of groups of corrected imaging data. The method may further include determining averaged imaging data by averaging the plurality of groups of corrected imaging data in a complex domain and generating, based on the averaged imaging data, an MR image.

Method and system for diffusion magnetic resonance imaging

An expression animation data processing method is provided for a computer device. The method includes determining a location of a human face in an image and obtaining an avatar model; obtaining current expression data according to the location of the human face in the image and a three-dimensional face model; and obtaining expression change data from the current expression data. The method also includes determining a target split-expression-area that matches the expression change data, the target split-expression-area being selected from split-expression-areas corresponding to the avatar model; and obtaining target basic-avatar-data that matches the target split-expression-area. The method also includes combining the target basic-avatar-data according to the expression change data to generate to-be-loaded expression data; and loading the to-be-loaded expression data into the target split-expression-area to update an expression of an animated avatar corresponding to the avatar model.

Expression animation data processing method, computer device, and storage medium

This application discloses methods and apparatus for rendering a virtual channel in a multi-world virtual scene. The method includes generating a virtual scene for displaying a virtual channel, a first world, and a second world, the virtual channel being used for a render camera to move between the first and second worlds; and receiving a control request for triggering the render camera to move in the virtual scene; and identifying a location of the render camera in response to the control request to obtain a movement trajectory of the render camera during movement in the virtual scene. The method further includes detecting a world state according to the movement trajectory; determining whether the world state is an intermediate state; in response to determining the world state is the intermediate state, generating a room for accommodating the render camera; and displaying in the virtual scene the room.

Method, apparatus, and storage medium for rendering virtual channel in multi-world virtual scene

A video production method and apparatus, a storage medium, and a computer device are disclosed. The method includes: receiving a follow-shot instruction in a case that reference video content is played on a video play interface, the follow-shot instruction including a reference video identifier; displaying a first video display region and a second video display region on a terminal screen; playing the reference video content in the first video display region, and recording displayed real-time video content in the second video display region; and generating a target video based on the recorded real-time video content and the reference video content. The first video display region and the second video display region are displayed on the terminal screen, the reference video content is played in the first video display region, and the displayed real-time video content is recorded in the second video display region.

Video production method, computer device, and storage medium

Embodiments of this application disclose a method for implementing virtual scene conversion. The method in the embodiments includes: displaying an initial virtual scene, a first scene conversion trigger set, and partial information of at least one target virtual scene in a screen area, a scene conversion trigger being used for implementing conversion between associated different virtual scenes; determining, in a case that a trigger operation on the first scene conversion trigger is received, the target virtual scene and a second scene conversion trigger set based on the first scene conversion trigger operation in the initial virtual scene, the second scene conversion trigger set including at least one second scene conversion trigger associated with a plurality of determined target virtual scenes; and rendering and displaying the target virtual scene and the second scene conversion trigger set in the screen area. The embodiments of this application are used for improving adaptability of different services and increasing application scenarios.

Method for implementing virtual scene conversion and related apparatus

The present disclosure is related to systems and methods for image processing. The method may include obtaining a first set of image data. The method may also include generating a second set of image data by processing, based on a trained machine learning model, the first set of image data. The second set of image data may have a relatively high resolution and/or a relatively low level of artifacts with respect to the first set of image data. The method may further include generating a target image by performing a weighted fusion on the first set of image data and the second set of image data.

System and method for removing Gibbs artifact in medical imaging system

A method for magnetic resonance imaging may include acquiring first k-space data that is generated by entering acquired magnetic resonance (MR) data into a plurality of first k-space locations. The method may further include synthesizing second k-space data for a plurality of second k-space locations that are not filled with the acquired MR data. The method may further include reconstructing an image from the first k-space data and the second k-space data by applying a reconstruction algorithm. The reconstruction algorithm is based at least in part on a neural network technique.

Systems and methods for magnetic resonance imaging

A preparation method for a silver-metal oxide electrical contact material, comprising: (1) mixing a silver-containing precursor solution with a metal oxide precursor solution; (2) reacting a reducing agent with the mixed solution to obtain silver powder coated with a metal oxide precursor; (3) heat treating the silver powder in a non-reducing atmosphere to obtain the silver-metal oxide electrical contact material. A preparation device for a silver-metal oxide electrical contact material, a silver-metal oxide electrical contact material prepared by the preparation method, and an electrical contact prepared by the silver-metal oxide electrical contact material. The electrical contact material prepared by the preparation method is at nanoscale, significantly prolonging electrical endurance of the electrical contact.

Preparation method and preparation device for silver-metal oxide electrical contact material and application of the material

A method and system for image reconstruction are provided. A k-space including a first part and a second part may be set. The first part of the k-space may be filled with a matrix including data. The matrix may be filtered to produce a filtered data matrix. The second part of the k-space may be padded. Iterations of an objective function for a target array of data in image domain may be performed based on a constraint. The objective function may be based on a total variation of the target array of data and a function relating to the Fourier transform of the target array of data, the filtered data matrix in the first part, and the padded data in the second part of the k-space. An image may be reconstructed based on the target array of data.

System and method for removing gibbs artifact in medical imaging system

The present disclosure includes an exemplary method for controlling access to a third-party server by a mobile terminal. The method comprises: acquiring, at the mobile terminal from a first-party server, login authorization information using which a user of the mobile terminal has logged in the first-party server through a client-side application corresponding to the first-party server, wherein the login authorization information includes a logged-in account; transmitting, to the third-party server, a login request, wherein the login request includes the login authorization information that is to be verified; and receiving authorization for the user to log in the third-party server using the logged-in account included in the verified login authorization information.

Methods and systems for controlling mobile terminal access to a third-party server

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Shenzhen, China

Nan Liu