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104results about How to "Reduce bandwidth usage" patented technology

Unmanned aerial vehicle cluster visual navigation task coordination method and system

The invention provides an unmanned aerial vehicle cluster visual navigation task coordination method and system based on semantic text transfer. The method comprises the following steps of: determining the number of unmanned aerial vehicles in an unmanned aerial vehicle cluster and building task-oriented visual navigation; determining task division of each unmanned aerial vehicle; acquiring visual navigation information by each unmanned aerial vehicle by virtue of vehicle-mounted vision sensing equipment and/or acquiring video image information required by the visual navigation from other unmanned aerial vehicles or equipment by adopting a communication manner, and carrying out fusion processing in vehicle-mounted image understanding equipment to generate a semantic text file; compressing and sending the semantic text file to the unmanned aerial vehicle of a receiving party by the unmanned aerial vehicle of a sender; and fusing information obtained by the unmanned aerial vehicle of the receiving party according to received compressed information to generate a required visual navigation flying control instruction. The unmanned aerial vehicle cluster visual navigation task coordination method and system disclosed by the invention can be used for effectively reducing information transmission quantity in unmanned aerial vehicle cluster coordination visual navigation and are good in real-time performance, thus being an effective technology for realizing unmanned aerial vehicle cluster visual navigation task coordination.
Owner:SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD

Network interaction-based video somatosensory body-building system and method

The invention discloses a network interaction-based video somatosensory body-building system. The network interaction-based video somatosensory body-building system includes a server, a coach terminal and a user terminal; the coach terminal is used for establishing a one-to-one or one-to-more training relationship with the user terminal through the server, and storing exercise tasks which are formulated for a user belonging to the coach terminal to the server, and monitoring completion situation of the user terminal for the exercise tasks through the server; the user terminal is used for browsing the exercise tasks which are formulated by a coach selected by the user and transmitting evaluation results of body-building projects which are completed by the user very time and randomly-captured action pictures to the server; and the server is used for providing an interaction platform for the coach terminal and the user terminal and storing data information uploaded by the coach terminal and the user terminal. The invention also provides a network interaction-based video somatosensory body-building method. The network interaction-based video somatosensory body-building system and method of the invention are not affected by weather, not limited by sites, and not constrained by time.
Owner:南京魔迅信息科技有限公司

Block chain bottom network transaction synchronization optimization method

The invention discloses a block chain bottom network transaction synchronization optimization method, which relates to the technical field of block chain bottom P2P network data transmission. A user transmits a transaction to a block chain node 1 in a transaction pool through a client. According to the block chain bottom network transaction synchronization optimization method disclosed in the invention, a transaction which is received but not yet broadcasted can be stored in a transaction buffer pool, transaction information which is already broadcasted and batch hash values can be stored in ahistorical buffer pool, batch transaction hash values which are completed synchronously can be recorded through the received historical transaction hash values, the hash values can be calculated forthe batch transactions through a Merkle tree, only one hash value message is sent when the transaction is subjected to secondary broadcasting, the bandwidth occupancy of the bottom P2P network is greatly reduced, and through building a buffer pool on each node of the block chain and performing hash value calculation on the transaction pool through the Merkle tree, the effect of removing redundanttransaction information is further achieved.
Owner:链极智能科技(上海)有限公司

Method of automatic update

The invention discloses a method of automatic update and belongs to the field of information safety. The method comprises the following steps: downloading configuration files from a download server end by a downloader, and analyzing the configuration files to obtain signature values and all configuration items; and authenticating the signature values, obtaining current configuration items in the configuration items and analyzing the current configuration items when authentication is successful, obtaining download information of the current configuration items, and judging whether the current configuration items satisfy update conditions according to the download information, if the current configuration items do not satisfy the update conditions, the next configuration item is analyzed in order; if the current configuration items satisfy the update conditions, corresponding new files are downloaded; if signature files need to be updated, the corresponding signature files are downloaded and the signature files are authenticated; if the signature files are authenticated successfully, corresponding update operation according to a preset execution mode is executed, and the next configuration item is analyzed in order; and if the signature files are authenticated unsuccessfully, the method is finished. When a few files need to be updated, update of the few files can be achieved, so that use of bandwidth is reduced, and update modes are flexible.
Owner:FEITIAN TECHNOLOGIES

Disease and pest identification system and method based on machine vision and convolutional neural network

The invention relates to a pest identification system and a method based on machine vision and a convolutional neural network, and belongs to the technical field of artificial intelligence. The systemmainly comprises an image acquisition module, a model training module, a model test module, a visual identification module, an information classification detection module and a training updating module. The method mainly comprises an image acquisition step, a model training step, a model test step, a visual identification step, an information classification detection step and a training updatingstep. According to the disease and pest identification system and the method based on machine vision and the convolutional neural network, a large amount of image data can be obtained at fixed pointsand fixed time; visual identification and convolutional neural network model testing are placed at an acquisition front end, invalid image bandwidth occupation is reduced, network resources are optimized, identification efficiency is improved, a feedback and updating mechanism enables the model to be continuously optimized in a gradient mode, a front end model is synchronized in real time, and disease and pest identification accuracy is effectively improved.
Owner:陈峰

Conference system based on electronic white board

The invention discloses a conference system based on an electronic white board. The conference system comprises a computer, a video unit, an audio unit, an electronic white board unit, a printing unit, a communication unit and a display unit. The video unit is used for collecting video information of a conference site, processes the video information and transmits the processed video information to the communication unit. The audio unit is used for collecting sound information of the conference site, processes the sound information and transmits the processed sound information to the communication unit and the printing unit. The electronic white board unit is connected with the computer and used for allowing conference presenters to write information. The printing unit receives the processed sound information and prints the processed sound information in real time. The communication unit is used for transmitting the information transmitted by the video unit and the audio unit to the display unit. The display unit is used for displaying the information transmitted by the communication unit. By means of the conference system, content written by the conference presenters can be conveniently stored, and the sound information of conferences can be automatically printed.
Owner:CHENGDU TENYUM TECH
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