7 results about "Multimedia network" patented technology

The invention discloses a multi-user sharing-oriented multimedia network video recommendation method, which comprises the following steps: firstly, constructing multi-user characteristics by utilizing collected program information in a multi-user sharing environment, and constructing a leading user label according to the similarity of the program characteristics and the continuity of user watching behaviors, so that separation of multi-user mixed logs is realized; performing periodic multi-user identification prediction of future sessions; secondly, building a user interest mining model based on a time-varying LinUCB algorithm to learn interest changes of a user for each program theme, and enhancing the personalized ability and efficiency of a recommendation system from three aspects of parallel calculation, adaptive control of an exploration coefficient and incremental updating based on LSTM; and finally, establishing an article quality model based on a non-time-varying LinUCB algorithm to further ensure the program quality, and integrating the two algorithms into a final recommendation system model by adopting a cross weighting strategy to form a final program recommendation list. The novelty and accuracy of the recommendation result are ensured.

The invention discloses a multimedia network-oriented electronic publication automatic typesetting system and a multimedia network-oriented electronic publication automatic typesetting method, which relate to the technical field of electronic publication typesetting, and comprise a typesetting module for customizing multiple parameters of an initial layout of an electronic publication reader according to the type of a media terminal, analyzing and identifying the type of the media terminal by adopting equipment UA or API (Application Program Interface), establishing an adaptive font size calculation model to dynamically generate a basic typesetting rule, and outputting the basic typesetting rule to a layout planning module and a typesetting rule library; according to the invention, a basic typesetting rule is dynamically generated by establishing an adaptive font size calculation model, dynamic content data is acquired in a content analysis module by adopting an FFmpeg audio and video processing technology and an ARIMA time sequence analysis model, and format conversion and terminal adaptation are carried out by adopting a dynamic coding optimization algorithm and a multimedia cross-format compatible conversion algorithm. The compatibility of the electronic publication to the multimedia elements on different browsers and devices is improved.

The present application discloses a network element selection method and apparatus. The method comprises: receiving a first message, the first message comprising an identifier of a user; determining media capability requirements of the user on the basis of the identifier of the user; and according to the media capability requirements of the user, selecting at least one media network element to provide a service for the user, wherein a media capability provided by the at least one media network element meets the media capability requirements of the user. In the present application, an appropriate media network element can be selected for the user according to the media capability requirements of the user, so that the problems such as detouring and multiple hops in multimedia network elements can be avoided, improving the efficiency of media network element selection and reducing the complexity of media network element selection, thereby reducing delay, saving media resource overhead, reducing signaling complexity, simplifying traffic topology, and the like.

Methods and systems for determining if end-users are expected to be receiving transmissions from a multimedia network at a particular time. Data including end-user type, a multimedia network, a particular time slot of the repeating cycles, and a network reach descriptor may be received. End-users may be identified by end-user type. For each end-user, a probability of receiving transmissions from the multimedia network during time slots prior to the particular time slot may be determined, based on previous viewing activities. Each probability may be adjusted by an offset such that an average of the adjusted probabilities corresponds to the network reach descriptor. A determination may be made of whether or not each end-user is expected to have been receiving transmissions from the multimedia network at the particular time slot, based on the adjusted respective probability.

Methods and systems for determining if end-users are expected to be receiving transmissions from a multimedia network at a particular time. Data including end-user type, a multimedia network, a particular time slot of the repeating cycles, and a network reach descriptor may be received. End-users may be identified by end-user type. For each end-user, a probability of receiving transmissions from the multimedia network during time slots prior to the particular time slot may be determined, based on previous viewing activities. Each probability may be adjusted by an offset such that an average of the adjusted probabilities corresponds to the network reach descriptor. A determination may be made of whether or not each end-user is expected to have been receiving transmissions from the multimedia network at the particular time slot, based on the adjusted respective probability.

The invention discloses a network element selection method and device. Receiving a first message, wherein the first message comprises the identifier of the user; determining a media capability demand of the user according to the identifier of the user; and selecting at least one media network element to provide service for the user according to the media capability demand of the user, wherein the media capability provided by the at least one media network element meets the media capability demand of the user. According to the method and the device, the appropriate media network element can be selected for the user according to the media capability requirement of the user, the problems of roundabout, multi-hop and the like of the multimedia network element can be avoided, the media network element selection efficiency is improved, and the media network element selection complexity is reduced; the effects of reducing time delay, saving media resource overhead, reducing signaling complexity, simplifying traffic topology and the like can be achieved.

The present invention discloses a method, system, device and computer medium for implementing a personal recording service, which relates to the technical field of multimedia personal recording, and solves the technical problem of low efficiency of personal recording services relying on program schedules. The key points of the technical solution are that after receiving a personal recording request, the optimal personal recording node and the central node with the best performance are selected, and then it is queried whether there are personal recording-related files in the nodes. If they exist, the recording is returned as successful; if not, the recording starts; if only some exist, the missing parts are recorded. Based on the existing multimedia network, this solution can implement personal recording services without the need to pre-distribute program schedules. When selecting personal recording nodes, it can achieve node load and storage balance, and the intelligent selection of the optimal node improves the reliability of personal recording services. At the same time, when selecting the central node, the NPVR central nodes of different channels are managed separately, with balanced pressure, which also improves the disaster tolerance of the personal recording service of the CDN system.