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As an intelligent algorithm with the mechanism of positive feedback, the ant colony algorithm is useful in solving the optimal problem. Web service selection is the foundation of the Web service composition which is one of the most important ways to satisfy the users' personalized requirements. Firstly, analyzed the problem of Web service selection based on expounding the basic principle of ant colony...
The social cognitive optimization algorithm is one of the newest intelligent algorithms, and this algorithm can help the solvers to avoid tripping in local optimization when solving the nonlinear constraint problems effectively. The algorithm is based on the social cognitive theory and the key point of the ergodicity is the process of refreshing the knowledge points. Modified and optimized the conditions...
The Web service composition is one of the most important ways to satisfy the users' personalized requirements and supply the high quality service for users, and the foundation of service composition is the selection of Web service. Firstly, expounded the basic principle of Ant Colony Algorithm and analyzed the model of Web service selection and brought the algorithm into the fields of Web service...
The rapid development of the Internet brings a new problem, which is how to rapidly and effectively retrieve needed information from vast number of web pages. In this paper, we propose a method mapping the user's requirements to web communities based on fuzzy rough sets. It could help to advance the Web information searching technology.
The transesterification of Jatropha oil and methyl acetate to biodiesel catalyzed by Novozym 435 (N435) was explored. The organic solvent and the factors of influenced reaction were optimized.The optimum reaction conditions were 6% of N435 based on the Jatropha oil weight, the molar ratio of n-hexane to Jatropha oil was 19, 10% of organic trihydroxymethyl aminomethane base on the Jatropha oil weight,...
H.264 is the newest high performance video encoding standard that is attributed to applying several new efficient compress methods such as loop filter. The computational time consumed of H.264 increased by 2 or more times compared with previous standard and it hard to implement in many read time or resource-limited application. To speedup the critical time-consuming module, a fast loop filter algorithm...
With the development of the multimedia and network technology, video applications such as VOD, video-phone etc. are used more and more widely in our life. Consider by the high performance and easy implementation, we select TMS320 c6416 DSP platform and implement the MPEG-4 decoder. Based on the architecture and instruction characteristic of DSP, structure-level, program-level, code-level optimization...
For application programs in scientific and technological fields have grown increasingly large and complex, it is becoming more difficult to parallelize these programs by hand using message passing libraries. To reduce this difficulty, we are researching the compilation technology for serial program automatic parallelization. In this paper, the author puts forward a kind of parallel recognition algorithm...
Compared with MPEG-4 and other previous standards, H.264 standard has achieved great break through in coding performance. To meet the requirement of embedded video encoder in various scenarios, an H.264 real-time encoder based on TI TMS320C 6455 is presented in this paper. According to the characteristics of the structure, resources and instruction of the selected DSP, a lot of work have been done...
The prediction of future values of a time series generated by a chaotic dynamical system is a challenging task. Recently, the use of recurrent neural networks (RNN) models appears. An evolving neural network (ERNN) is proposed for the prediction of chaotic time series, which estimates the proper parameters of phase space reconstruction and optimizes the structure of recurrent neural networks by evolutionary...
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