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Encapsulated, streaming media automation and distribution system

Disclosed are systems and methods for creating and distributing programming content carried by a digital streaming media to be a plurality of remote nodes located over a large geographic area to create customized broadcast quality programming at the remote nodes. At the remote nodes, a multi-window screen display simultaneously shows different programming including national programming and local programming content. The remote nodes utilize a remote channel origination device to assemble the customized programming at the remote location that can be controlled from a central location. An encapsulated IP and IP encryption system is used to transport the digital streaming media to the appropriate remote nodes. Also disclosed is a graphical user interface (“GUI”) providing a software control interface for creating and editing shows or programs that can be aired or played on a remote display device having a multi-window display. The intuitive GUI Software provides the user the ability to easily manage and assemble a series of images, animations and transitions as a single broadcast quality program to be displayed on a remote display device. Another application software system is capable of automating the production of audio narration reports. The disclosed audio concatenation engine automates the creation of audio narration using prerecorded audio segments to minimize the requirement for live, on-air personnel to record audio narration segments.
Owner:CALLAHAN CELLULAR L L C

Supermarket intelligent shopping guide system based on WIFI indoor positioning and positioning method

The invention provides a supermarket intelligent shopping guide system based on WIFI (Wireless Fidelity) indoor positioning and a positioning method. The supermarket intelligent shopping guide system is characterized by comprising a WIFI positioning module, a server end system and an application end system, wherein the WIFI positioning module comprises terminal equipment and hotspot APs (Access Points) distributed in every part in a supermarket; the hotspot APs are used for providing a WIF network for equipment in the supermarket and sending the position information of each hotspot AP to a server; the terminal equipment collects commodity information codes and sends the commodity information codes to the server; and the server is used for receiving information, processing the information, storing the data into a memory, receiving a request of the application end system, sending the position information to the application end system and sending commodity information and advertisements. The method and the system provided by the invention have the advantages that the commodities can be fast and effectively positioned and navigated; the commodity sale promotion information is sent to client equipment in real time; convenience is brought to customers to consume; and the cost of merchants is also reduced.
Owner:ARCHERMIND TECH NANJING

Video recommendation method and system

The invention discloses a video recommendation method and system. The method comprises the steps that a server obtains video information of various videos, divides the videos into different categories by employing a clustering algorithm, calculates category weights of the various videos in the corresponding categories and stores the category weights; a smart television collects user behavior data and then uploads the data to the server, and the server calculates user preference data according to the user behavior data and calculates preliminary recommendation results of video programs un-watched by users according to the user preference data; the server calculates the attributes and weights of the various videos in various periods of time according to the catalog weights and the user preference data, combines the attributes and weights of the various videos in various periods of time to generate final recommendation results and sends the final recommendation results to the smart television for display. According to the method and the system, the interest degree of the users to the watched videos can be estimated, related videos can be recommended according to the periods of time, the watching demands of family members can be satisfied as much as possible, and the time cost of the users can be reduced.
Owner:TCL CORPORATION

A highly automated intelligent contract formal verification system and method

The invention discloses a highly automated intelligent contract formal verification system and method. The method includes the following steps: step 001, converting an intelligent contract function requirement description document into an intelligent contract function requirement specification document described in a non-natural language, wherein the content of intelligent contract function requirement specification document includes target contract function specification description and security attribute description; step 002, creating a formal validation rule model library; step 003, automatically modeling the contract source code and/or bytecode by an automated modeling tool; step 004, parsing the abstract syntax tree generated in step 003, and allocating memory addresses for constantsand variables in the code; step 005, performing formal proof. The invention is adapted to program codes written in a plurality of high-level programming languages and also adapted to a plurality of formal languages, and simultaneously provides two automatic modeling modes of source code modeling and bytecode modeling, so that modeling can be carried out according to different modeling requirements of users, and the verification efficiency is further improved.
Owner:成都链安科技有限公司

Method for identifying medical image, method for model training and server

The embodiment of the invention discloses a method for identifying a medical image. The method comprises the steps that a to-be-identified medical image set is obtained, wherein the to-be-identified medical image set comprises at least one to-be-identified medical image; a to-be-identified area corresponding to each one to-be-identified medical image in the to-be-identified medical image set is extracted, wherein the to-be-identified area belongs to a part of the to-be-identified medical images; the recognition result of each to-be-identified area is determined through a medical image recognition model, the medical image recognition model is obtained according to training of a medical image sample set, the medical image sample set comprises at least one medical image sample, each medical image sample carries corresponding annotation information, the annotation information is used for indicating the types of the medical image samples, and the recognition result is used for indicating the types of the to-be-identified medical images. The embodiment of the invention also discloses a method for model training and a server. The method for identifying the medical image, the method for model training and the server greatly save the manual annotation cost and time cost, and have stronger reliability and credibility.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method for acquiring aromatic rice strain by targeting Badh2 gene via CRISPR/Cas9 gene editing technology

The invention discloses a method for acquiring an aromatic rice strain by targeting a Badh2 gene via CRISPR/Cas9 gene editing technology. The method comprises the following steps: separately targeting sequences, recognizable by Cas9, of every exon and intron of an aromatic gene by using the CRISPR/Cas9 gene editing technology and then cutting a genomic DNA sequence to initiate DNA restoration so as to obtain an afunctional Badh2 gene; with the callus of Indica rice, japonica rice or glutinous rice as a receptor material of genetic transformation and an mature embryo, young ear, ovary or the like as explant, carrying out induction so as to obtain a diploid callus, introducing a targeting vector into cells of the callus by using an Agrobacterium mediated transformation method, screening and identifying positive plants and separating the plants from a T1 colony so as to obtain an aromatic rice strain; and with anther, pollen, unfertilized ovary or the like as explant, carrying out induction so as to obtain a haploid callus, introducing the targeting vector into cells of the callus by using the Agrobacterium mediated transformation method, screening a positive callus, reduplicating the positive callus by using colchicine, carrying out differentiation to form seedlings and identifying genetic transformation positive plants so as to eventually obtain the aromatic rice strain.
Owner:HUBEI UNIV

Expression input method and device based on semantic understanding

The invention discloses an expression input method and device based on semantic understanding, and relates to the technical field of input methods. The method comprises the following steps: obtaining text contents corresponding to an input sequence; performing word segmentation on the text contents, and extracting features of each text based on a result of the word segmentation; using features of each text to build input vectors, and substituting an emotion classification model to classify so as to determine emotion labels of the text contents; respectively obtaining expressions of each theme under the emotion labels based on the correspondence between the emotion labels and the expressions of each theme; sorting the expressions of each theme, and using the sorting result as a candidate item to be showed on a client side. According to the method and device provided by the invention, semantic recognition can be realized aiming at the text contents corresponding to the input sequence of a user to obtain the emotion labels which are the best match of semantics of the text contents, and then the expressions under each corresponding theme are obtained based on the emotion labels and are used as the candidate item to be sent to the user, so that the user can conveniently input the expressions, the expression input efficiency is improved, and a rich and wide-range expression resource is provided for the user.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD

Decentralized federated machine learning method under privacy protection

The invention discloses a decentralized federated learning method under privacy protection. The decentralized federated learning method comprises a system initialization step, a request model and local parallel training step, a model parameter encryption and model sending step, a model receiving and recovering step and a system updating step. Decentralization is achieved by using a strategy of randomly selecting participants as parameter aggregators, and the defects that existing federated learning is easily attacked by DoS, a parameter server has a single point of failure and the like are overcome; a PVSS verifiable secret distribution protocol is combined to protect participant model parameters from model inversion attacks and data member reasoning attacks. Meanwhile, it is guaranteed that parameter aggregation is carried out by different participants in each training task, when an untrusted aggregator occurs or the aggregator is attacked, the aggregator can recover to be normal by itself, and the robustness of federated learning is improved; while the functions are achieved, the federated learning performance is guaranteed, the safety training environment of federated learning is effectively improved, and wide application prospects are achieved.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Automatic classification method, system and device of electrocardiosignal ST band

The invention discloses an automatic classification method of an electrocardiosignal ST band. The automatic classification method is characterized by comprising the following steps: S1. acquiring an electrocardiosignal wave form of a human body and pretreating the electrocardiosignal wave form; S2. performing characteristic point detection to the pretreated electrocardiosignal wave form; S3. based on the characteristic point detection in the step S2, determining the wave form of the electrocardiosignal ST band, and acquiring the characteristic parameters on the wave form of the electrocardiosignal ST band so as to establish a to-be-classified characteristic input matrix; S4. classifying the wave form of the electrocardiosignal ST band into a training sample and a testing sample, and establishing a classifier model based on the training sample; and S5. inputting the testing sample into the classifier model for testing, and completing the final classification by combining decision fusion. The invention further discloses an automatic classification system and device of the electrocardiosignal ST band. By establishing the classifier model and decision fusion by using a nerve network method, calculation can be effectively reduced, the time cost can be decreased, the classification precision of the ST band can be improved, and the classification is easier.
Owner:JILIN UNIV +1

System for comprehensive utilization of three industrial wastes

The invention provides a system for comprehensive utilization of three industrial wastes, mainly relating to the field of energy conservation and emission reduction, in particular to the comprehensive utilization of the three industrial wastes; to realize the objective of energy conservation and emission reduction required by the recycle economy, a system technology targeted at comprehensive utilization of the three industrial wastes of factories is adopted; in the invention, the reactor in the nuclear plant, the boiler in the coal-fired power plant and other types of supercritical boilers are utilized to provide a new cooling and turbine drive mode to solve the issue of industrial discharge of greenhouse gas and other polluting gases; in addition, collected emissions are utilized to produce nuclear fuel, compound chemical fertilizer or feedstuff and other chemical raw materials; moreover, to realize recycling of resources and sustainable utilization of energy, the original three wastes are innovatively applied to nuclear electric power generation. The system is characterized by comprising 10 major links and the beneficial effect thereof lies in utilizing new methods to realize energy conservation and emission reduction and production cost in the late stage of production can be reduced.
Owner:李元胜
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