The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
As a famous cultural wealth, the sketch of fresco is one of the most important art expression forms in the World Heritage. To avoid the damage of natural and human factors, painters can only use photos and videos to depict sketch in most world culture heritage sites, otherwise real frescos. Therefore, a computational method for extracting sketch is helpful and meaningful in sketch copying and researching...
MapReduce has shown vigorous vitality and penetrated both academia and industry in recent years. MapReduce not only can be used as an ETL tool, it can do even much more. The technique has been applied to SQL summation, OLAP, data mining, machine learning, information retrieval, multimedia data processing, science data processing etc. Basically MapReduce is a general purpose parallel computing framework...
In order to accomplish subject-independent facial expression recognition, a facial expression recognition approach based on wavelets decomposition and adaboost feature weighting is presented in this paper. At first, wavelet is adopted to decompose images into several bands of frequency images from which the LBP features are extracted. Then adaboost is introduced to learn the dichotomy-dependent weights...
Video has become popular in our daily life for both professional and consumer applications. Both low level video processing and high level semantic video analysis are critically computational tasks in application domains. Most of current video computing tools are developed for specific analytic tasks, they are lack higher level interoperability with database and treat database merely as a relational...
With the rapid development of information retrieval technology and daily increasing information in the Internet, common users can retrieve many text-based database and get part of the information through the search engines such as Google, and Baidu. However, there is a great amount of data contained in the background relational database of web pages. So there are many researches focusing on the search...
Detecting and exploiting correlations among columns in relational databases are of great value for query optimizers to generate better query execution plans (QEPs). We propose a more robust and informative metric, namely, entropy correlation coefficients, other than chi-square test to detect correlations among columns in large datasets. We introduce a novel yet simple kind of multi-dimensional synopses...
Mass of real-time data needs to be handled in the environment of networked manufacturing; especially, the real-time requirement of MES oriented spot management is much higher. Moreover, embedded real-time databases technology is a software technology which lies between spot data and real-time operating system. And it conforms to the production requirement of networked manufacturing on the side of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.