China Mobile Communications Group Co., Ltd.

China Mobile Communication Co.,ltd Research Institute

China Mobile Communications Corporation

Lynxi Technologies Co., Ltd.

International Business Machines Corporation

Tsinghua University

Beihang University

Beijing Youzhuju Network Technology Co., Ltd.

China Agricultural University

Beijing Boe Technology Development Co., Ltd.

Han Li

Weiqiang Cheng

Lei Wang

Dechao Zhang

Dong Wang

Congxing Ouyang

Liuyan Han

Guo Tong Xie

Yang Zhang

Wei He

Lei Li

Chen Wang

Yaolong Zhu

Jing Mei

Yuan Ni

Bing Wei

Sheng Liu

Jianming Zhou

Jinglei Liu

Guanghai Zhang

Jiuxia Yang

Yan Zhang

Feng Wang

Yang Zhao

Lin Chen

Dong An

Hao Zhou

Huaqiang Wu

He Qian

Yuhong Huang

Rui Zhou

Mingyuan Ma

Yuhai Sun

Chen Wei

Yingyi Chen

Jiashuang Zong

Jiaze Chen

Xiaodong Duan

Chuan Hu

Yunbo Li

Qian Cai

Fanhui Meng

Xiaobin Xu

Wen Ye

Zhangzhe Liu

Yongbin Sun

Xiaoqing Huang

Yaoguang Wei

Daoliang Li

Jincun Liu

Jiang Sun

Jiangtao Feng

Yunbo Chen

Wenhui Zhou

Haibin Duan

Yimin Deng

Long Xin

Lun Fei

Mengzhen Huo

Huaxin Qiu

Daifeng Zhang

Yankai Shen

Ning Xian

Ruiqiang Ding

Minxue Wang

Weihao Zhang

Shuoguo Yuan

Xinyang Wu

Xintian Hu

Enbo Zhou

Lirong Bai

A security management system includes a first server. The first server is configured to: obtain access information of a terminal device; generate, if the access information of the terminal device meets an access condition, a first key based on a registration time of the terminal device, identification information of the terminal device, and fingerprint information of the terminal device; encrypt the first key using a second key, the first key being different from the second key; and send the encrypted first key to the terminal device, so that the terminal device decrypts the encrypted first key using the second key.

Security management system and security management method

Provided are an advertisement title rewriting method, apparatus and device and a storage medium. The method includes steps described below. Preset information in an advertisement title is replaced with a corresponding placeholder so that the advertisement title is converted into a title template; a rewritten title template is generated through a preset neural network model according to the title template, an advertisement attribute key-value table and a query cluster; and the placeholder in the rewritten title template is replaced with the corresponding preset information so that the rewritten title template is converted into a rewritten title.

Advertisement title rewriting method, apparatus and device, and storage medium

The present disclosure provides an information transmission method, an information transmission device, a communication device and a readable storage medium. The information transmission method includes: obtaining OAM information from an optical network; encapsulating the obtained OAM information to form an OAM frame, the OAM frame including N data frames each having a frame length of L, N varying along with a volume of the OAM information, L being a constant value regardless of the volume of the OAM information; and transmitting the OAM frame. The OAM information is transmitted in a length-constant frame, so it is able to facilitate encoding and decoding of a message, simplifying the processing and reduce the time consumption, and facilitate the extension in accordance with a message content and ensure the extendibility, thereby to solve such problems as complicated processing, being time-consuming, and poor extendibility in the conventional OAM information transmission scheme.

Information transmission method and device, communication device, and readable storage medium

A wavelength division multiplexing structure comprises a first wavelength division multiplexer and a second wavelength division multiplexer, each comprises N filtering units, a branch side interface connected to each filtering units, and a line side interface, N being a positive integer; each filtering unit corresponds to one central wavelength; the line side interface of the first wavelength division multiplexer and that of the second wavelength division multiplexer are connected by an optical fiber; the N filtering units are divided into multiple filtering unit groups, and the multiple filtering unit groups are cascaded in series or cascaded in a series-parallel combination; filter units in each filtering unit group are cascaded in series; and a cascade mode and/or cascade position corresponding to each filter unit in the first wavelength division multiplexer and the second wavelength division multiplexer is at least related to the center wavelengths corresponding to the filter unit.

Wavelength division multiplexing structure

A block processing method, node and medium are provided. The method includes: determining, in a metro transport network, Ethernet or flexible Ethernet, 64B/66B blocks of a forward error correction (FEC) codeword with errors that cannot been corrected; replacing all of the 64B/66B blocks in the FEC codeword with error control blocks, or replacing each invalid 64B/66B block in the FEC codeword with an error control block.

Block processing method, node, and medium

The present disclosure relates to the technical field of growth environment control for plants, and provides a light regulation method, system, and apparatus for a growth environment of leafy vegetables. The method includes: obtaining a growth environment image and growth environment light parameters of leafy vegetables; inputting the growth environment image into an image segmentation model to obtain an initial pixel segmentation map; determining a leaf area of the leafy vegetables according to the initial pixel segmentation map by using a Class Activation Mapping (CAM)-K algorithm; inputting the leaf area and the growth environment light parameters of the leafy vegetables into a leafy vegetable growth index prediction model to obtain a growth index of the leafy vegetables; adjusting the growth environment light parameters according to the growth index of the leafy vegetables. This disclosure achieves automated and intelligent control of light conditions in the growth environment of leafy vegetables.

Light regulation method, system, and apparatus for growth environment of leafy vegetables

A method and a device for calculating a bandwidth utilization ratio are provided in some embodiments of this disclosure. The method includes: determining a quantity of idle coding blocks in a plurality of coding blocks of a physical link, and calculating a bandwidth utilization ratio of the physical link according to a quantity of the coding blocks of the physical link and the quantity of the idle coding blocks.

Method and device for calculating bandwidth utilization ratio

A calibration method, a calibration apparatus, a terminal device and a storage medium are provided. The method comprises the following steps: determining layer attribute information of each to-be-calibrated layer in a model (S); and determining the group in which each of the to-be-calibrated layers is located according to the total available resources and the layer attribute information of each of the to-be-calibrated layers (S). The layer attribute information of any of the to-be-calibrated layers comprises layer required resources, the layer required resources are resources needing to be occupied when the to-be-calibrated layer is calibrated; and the total available resources are the total resources used for calibration. By means of the method, all of to-be-calibrated layers can be reasonably grouped on the premise that the total available resources can provide support, so that the layer required resources in each calibration operation are balanced and large as much as possible, thereby making full use of resources. Moreover, the number of calibration operations is reduced, and the calculation speed during the calibration of a model is increased.

Calibration method and apparatus, terminal device, and storage medium

An embodiment of the present disclosure provides a weight precision configuration method, including: determining a pre-trained preset neural network including a plurality of layers each having a preset weight precision; reducing, based on a current threshold, the weight precision of at least one layer in the preset neural network to obtain a corrected neural network having a recognition rate greater than the current threshold; and reducing the weight precision of a layer includes: adjusting the weight precision of the layer; setting, if a termination condition is met, the weight precision of the layer to a corrected weight precision that is less than or equal to the preset weight precision of the layer; and returning, if the termination condition is not met, to the operation of adjusting the weight precision of the layer; and determining a final weight precision of each layer to obtain a final neural network.

Weight precision configuration method and apparatus, computer device and storage medium

Disclosed are a network accuracy quantification method, system, and device, an electronic device and a readable medium, which are applicable to a many-core chip. The method includes: determining a reference accuracy according to a total core resource number of the many-core chip and the number of core resources required by each network to be quantified, with the number of the core resources required by each network to be quantified being the number of the core resources which is determined after each network to be quantified is quantified; and determining a target accuracy corresponding to each network to be quantified according to the reference accuracy and the total core resource number of the many-core chip.

Network accuracy quantification method and system, device, electronic device and readable medium

Provided are an optical module, a management and control information processing method, and a communication system. The optical module includes: a clock recovery unit, an optical transmitting unit, an optical receiving unit, and a micro-control unit. The optical module also includes: a logic processing unit, which is configured to add first management and control information to first service information, the first service information being service information sent by the optical module to an optical module on the other side, and obtain second management and control information from second service information, the second service information being service information sent by the optical module on the other side to the optical module.

Optical module, management and control information processing method, and communication system

A neural network mapping method and a neural network mapping apparatus are provided. The method includes: mapping a calculation task for a preset feature map of each network layer in a plurality of network layers in a convolutional neural network to at least one processing element of a chip; acquiring the number of phases needed by a plurality of processing elements in the chip for completing the calculation tasks, and performing a first stage of balancing on the number of phases of the plurality of processing elements; and based on the number of the phases of the plurality of processing elements obtained after the first stage of balancing, mapping the calculation task for the preset feature map of each network layer in the plurality of network layers in the convolutional neural network to at least one processing element of the chip subjected to the first stage of balancing.

Neural network mapping method and apparatus

Disclosed in the embodiments of the present invention are an OAM message transmission method and transmission device, and a storage medium. The OAM message transmission method comprises: obtaining an OAM block generated on the basis of an OAM message; replacing an idle block in a data stream with the OAM block; and sending the data stream carrying the OAM block.

OAM message transmission method and transmission device, and storage medium

Disclosed in embodiments of this disclosure are a check code processing method, an electronic device and a storage medium. The check code processing method comprising: performing operations on m bits of the nbyte of a code block to obtain the nbit of a first sequence; and performing operation on the first sequence of the code block with a same transmission period to obtain a check code.

Check code processing method, electronic device and storage medium

A transmission network system, data switching and transmission method, apparatus and equipment are provided. The transmission network system includes: a flexible Ethernet group located at a physical layer; at least one flexible Ethernet client carried over the flexible Ethernet group; a flexible Ethernet time slot control module, configured to map, according to a block sequence, service data coming from an upper layer onto the flexible Ethernet group, and recover, from a block sequence received by the flexible Ethernet group, corresponding service data; a flexible Ethernet switching module, configured to perform switching in a physical layer and transmission of service data according to the block sequence.

Transmission network system, data switching and transmission method, apparatus and equipment

Growing community of inventors

Beijing, China

Han Li