Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Vivo Mobile Communication Co., Ltd.

Other

Zte Corporation

Tencent Technology (Shenzhen) Company Limited

Huawei Digital Power Technologies Co., Ltd.

Hon Hai Precision Industry Co., Ltd.

Hong-Fu Jin Precision Industry (Shenzhen) Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Alibaba Group Holding Limited

Tencent America LLC

Midea Group Co., Ltd.

Shenzhen Goodix Technology Co., Ltd.

Huawei Technologies Co., Limited

Wei Zhang

Junyan Huo

Yanzhuo Ma

Shuai Wan

Fuzheng Yang

Haixin Wang

Yu Sun

Sujun Zhang

Xiaohui Wang

Yimei Tang

Yi Sun

Zhaoxue Cui

Yong Li

Yi Luo

Jun Liu

Wei Feng Chen

Li Wei Wang

Wei Chen

Bo Li

Weiping Liu

Handong Li

Fei Zhang

Zexing Sun

Bing Liu

Fei Xiong

Bin Guo

Hua Zheng

Qin Wu

Jing Li

Biao Chen

Lei Yang

Fan Wang

Fan Yang

Yang Yang

Yong Hou

Xiaodong Li

Mingming Liu

Yong Min Li

Liang Zhang

Jianping Zhou

Shuntao Luo

Zhecheng Wang

Ruijie Xiao

Shunzhan Li

Zhijian Chen

Xiumei Lin

Yan Liu

He Zhang

Ningbo Feng

Weiping Xie

Lihui Yang

Yu An Liang

Xiaogang Qing

Mingze Wang

Hong Zou

Ting An

Guoxian Lin

Wenqing Wu

Zhuoyi Lv

Bin Tan

Zhiqin Hu

Na Dai

Siqi Cai

Jinqing Yu

Naibo Yang

Weijun Xue

Tingting Jiang

Zhiquan Yi

Nengwei Hua

Guihong Zhou

Zhan Liu

Jun Ma

Xinfeng Liao

Yuchu Xu

Guanglei Li

Xing Hu

Qia Wang

Minchao Liang

Yanmei Wang

Yi Tao

Shelin Shen

Weidong Chen

Chengchi Chao

Zhen Cheng

Shanshan Fan

Jiabao Zhang

Xu Kang

Shih Hsiang Chen

Xiao Wei Xia

Tianye Zhao

Yanbo Xie

Xiu Chen

Ting Xia

Jingrui Li

Guanyu Mu

Jiaxiong Feng

Jia Wu

Kok Yong Chan

Lixian Fan

Geng Zhang

A point cloud encoding and decoding method and apparatus, and pertains to the field of point cloud processing technologies. The point cloud encoding method in embodiments of this application includes: An encoder determines, based on attribute information of target point cloud, a target attribute information distribution characteristic value corresponding to a target bit rate point, where the target bit rate point is a bit rate point corresponding to an attribute quantization step of the attribute information; the encoder determines a target run-length encoding manner based on the target attribute information distribution characteristic value; and the encoder performs encoding processing on the attribute information based on the target run-length encoding manner.

Point cloud encoding method and apparatus, point cloud decoding method and apparatus, and communication device

A point cloud encoding/decoding processing method and apparatus, an encoding device, and a decoding device. The point cloud encoding processing method according to the embodiments of this application includes: performing, by an encoding end, synchronous multi-branch tree division on a current frame to be encoded and an encoded frame; and performing, by the encoding end based on a target value corresponding to a first node in the encoded frame, inter prediction on an occupancy status of a second node in the frame to be encoded, where the occupancy status includes: occupied or unoccupied, where a position of the first node in the encoded frame is the same as a position of the second node in the frame to be encoded.

Point cloud encoding/decoding processing method and apparatus, encoding device, and decoding device

Hat box

This application discloses a point cloud encoding processing method and apparatus and a point cloud decoding processing method and apparatus. The point cloud encoding processing method of embodiments of this application includes: determining sparsity level information of a target point cloud; and in a case that the sparsity level information indicates the target point cloud being a sparse point cloud and a node to be encoded corresponding to the target point cloud satisfies an isolated point encoding condition, enabling an isolated point encoding mode.

Point cloud encoding processing method and apparatus and point cloud decoding processing method and apparatus

Methods for determining a prediction value, an encoder and a decoder are provided. A bitstream is parsed to obtain a size and a coding mode of a current block. Reconstructed values of neighboring samples are acquired and the reconstructed values of the neighboring samples are filtered. A second constant value is calculated according to a bit depth value of a luma component of a sample in the current block. A difference between the second constant value and a first reference value in the reference value set is assigned as a first prediction input value in a prediction input value set. Other prediction input values in the prediction input value set other than the first prediction input value are determined. Prediction values of samples at specific positions in the current block are calculated. The prediction values are filtered to obtain prediction values of all samples in the current block.

Method for determining prediction value and decoder

Provided are a picture encoding and decoding method, an encoder, a decoder and a storage medium. The decoder decodes a bitstream to obtain a size, a coding mode, and residuals of a current block; when the coding mode of the current block is an MIP mode, calculates a second offset based on the size of the current block, a first offset and reconstructed values of adjacent pixels corresponding to the current block; determines a first prediction value of the current block according to the second offset; and determines a reconstructed value of the current block based on the first prediction value.

Image coding/decoding method, coder, decoder, and storage medium

Point cloud coding methods, an encoder, and a decoder are provided. The method includes the following. Morton codes for a point cloud are obtained according to geometry information of the point cloud after geometry decoding is completed and the geometry information is reconstructed. A value of K is determined according to a distribution of the point cloud, where K is a positive integer, where K is a positive integer. The point cloud is determined as an input point cloud of an iteration. Morton codes for an input point cloud of an i-th iteration are right shifted by K bits according to a number of points in the input point cloud of the i-th iteration. An i-th level of detail (LOD) layer is formed with a point selected after the Morton codes are shifted. Color information is decoded according to the LOD layer.

Point cloud coding methods, encoder, and decoder

A diffuser, an air supply device and a vacuum cleaning equipment are provided. The diffuser has a base ring member and multiple rows of stationary blades. Each row of stationary blades is disposed on an outer ring wall of the base ring member along an axial direction of the base ring member, and is arranged along a circumferential direction of the base ring member. Opposite sides of the base ring member are respectively an air-inlet side and an air-outlet side. A chord length of each stationary blade in one row is greater than or equal to the chord length of each stationary blade in a next adjacent row. The installation angle of each stationary blade in one row is smaller than or equal to the installation angle of each stationary blade in the next adjacent row.

Diffuser, air supply device, and vacuum cleaning equipment

Methods, devices, and non-transitory computer-readable storage media for network dataset processing are provided. An initial user interface in a terminal is generated. The initial user interface is configured to access a network dataset. A network dataset selected from the at least one network dataset is used as a target network dataset in response to selecting the at least one network dataset. A target virtual private network (VPN) node corresponding to the target network dataset is determined in response to an access operation on the target network dataset. An accelerated access channel between the terminal and the target network dataset is established through the target VPN node. The initial user interface is switched to an accelerated user interface. The network data processing information is displayed on the accelerated user interface. The network data processing information indicates that the accelerated access channel is used for accessing the target network dataset.

Network dataset processing method and apparatus, computer device, and storage medium

A ripple detection device and a ripple suppression device. The ripple detection device includes: a ripple sampling unit, at least two DC sampling units, and a digital signal processing unit; the ripple sampling unit outputs a first voltage signal at an output port of a non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit; the DC sampling unit outputs a first DC signal in a second voltage signal at a connected port of the non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit and blocks an AC signal in the second voltage signal to be output to the digital signal processing unit; the digital signal processing unit determines a ripple noise signal at the output port of the non-isolated DC/DC bidirectional energy conversion unit according to the first voltage signal and the first DC signal.

Ripple detection device and ripple suppression device

The present invention relates to a micro-subminiature microwave gyromagnetic circulator comprising a housing and a first ceramic ring ferrite, a central conductor, a second ceramic ring ferrite and a medium ferrule mounted inside the housing; the medium ferrule comprises a pin, and a foot of the central conductor is provided with a through-hole matching the pin; the pin comprises an extension and a fixed portion which are connected, wherein the diameter of the extension is smaller than the diameter of the fixed portion, the pins and the feet are welded at the through-holes via solder paste, and a tin-containing tank is provided at the connection between the extension and the fixed portion. The microwave gyromagnetic circulator can be micro-subminiature without decreasing bandwidth. The structure stability and conduction stability of the microwave gyromagnetic circulator are improved by welding the central conductor to the pin and providing a tin-containing tank on pin.

Micro-subminiature microwave gyromagnetic circulator

Disclosed are a filtering method and device, an encoder and a computer storage medium. The method comprises: acquiring sample information to be filtered, acquiring at least one piece of side information, and inputting at least two components of the sample information to be filtered and at least one piece of side information into a filter based on a neural network so as to output at least one component after the sample information to be filtered is filtered. Further provided are a filtering device, an encoder and a computer storage medium.

Filtering method and device, encoder and computer storage medium

Disclosed are a remote automobile diagnostic method and apparatus, and a computer device. The method is applicable to a device side. A remote connection is established to a target terminal, and parameter information of a to-be-diagnosed automobile is transmitted to the target terminal, so that the to-be-diagnosed automobile can be directly diagnosed by the target terminal side. During the establishment of the remote connection to the target terminal, a second connection request signal may be transmitted to an operating terminal, to establish a remote connection to the operating terminal, so that the operating terminal can remotely control the device side and indirectly remotely diagnose the to-be-diagnosed automobile. That is, remote diagnosis is performed on the to-be-diagnosed automobile by two remote terminals. In this way, the efficiency of the remote diagnosis on the to-be-diagnosed automobile by the remote terminals can be enhanced.

Remote automobile diagnostic method and apparatus, and computer device

Provided in the embodiments of the present application are a transform method, inverse transform method, encoder, decoder and storage medium. The method comprises: determining a two-dimensional Morton code of an encoding point in a preset space of an encoding point cloud, wherein the two-dimensional Morton code is a Morton code corresponding to two-dimensional coordinates of the encoding point obtained by removing one of three-dimensional coordinates of the encoding point; performing right shift of the two-dimensional Morton code by K binary digits to determine point sets respectively corresponding to three-dimensional coordinate components; determining, from the point sets, point quantities of maximum included encoding points respectively corresponding to the three-dimensional coordinate components; determining, based on the point quantities, a transform order corresponding to the preset space; performing RAHT based on the transform order; and signaling the transform order and an attribute encoding result obtained after RAHT into a bitstream.

Transform method, inverse transform method, encoder, decoder and storage medium

A high-efficiency and multifunctional sludge conditioner and a preparation method thereof is disclosed. The preparation method includes: soaking and adsorbing bacterial cellulose in an alkaline solution, and then taking out the bacterial cellulose to carbonize and activate the same at 380-480° C. and in a nitrogen atmosphere to obtain pretreated bacterial cellulose; and dispersing the pretreated bacterial cellulose in water, adding with an acrylamide monomer and an initiator for in-situ polymerization, and successively subjecting a reaction product to centrifugal separation, drying and crushing to obtain the high-efficiency and multifunctional sludge conditioner. In the present disclosure, the high-efficiency and multifunctional sludge conditioner only has a good flocculation sedimentation effect on the sludge, but also has a good adsorption effect on heavy metals in the water, thereby reducing the moisture content of the sludge and simultaneously reducing the content of the heavy metals and other harmful substances in the water body.

High-efficiency and multifunctional sludge conditioner and preparation method thereof

Growing community of inventors

Guangdong, China

Wei Zhang