A new solution of video surveillance is designed on basis of analysis on principle of Adaboost human face detection algorithm and JPEG2000 compression algorithm. In the scheme, Adaboost and ROI algorithm technology are combined to avoid disadvantages of large data size and low bandwidth. The S3C2440 microprocessor with an ARM9 core is chosen as hardware
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A new solution of video surveillance is designed on basis of analysis on principle of Adaboost human face detection algorithm and JPEG2000 compression algorithm. In the scheme, Adaboost and ROI algorithm technology are combined to avoid disadvantages of large data size and low bandwidth. The S3C2440 microprocessor with an ARM9 core is chosen as hardware
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The embedded technology has become one of the focus technologies in IT industry, embedded system also has been widely used along with the development of information technology and the popularity of digital products, such as cell phones, MP3, PDA, etc intelligence information products. At present, these products in these support language, is still in western
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With the continuous development of science and technology, computer technology has entered the Post-PC era. Although traditional devices for image acquisition functions well in all aspects and can meet general use, its high cost and large volume have limited its application in some specific fields increasingly. In the 21st century, embedded technology develops rapidly and
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With the rapid development of microelectronics，ommunication，integratedautomatic control technologies, the increasing complexity of industrial productionrequired to improve energy saving, efficiency and other aspects. Various fields putforward higher requirements about the reliability and network of distribution system.The low-voltage distribution power system’s stability and reliability which is at theend of the power distribution system, directly to the user’s
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With the rapid development of microelectronics，ommunication，integratedautomatic control technologies, the increasing complexity of industrial productionrequired to improve energy saving, efficiency and other aspects. Various fields putforward higher requirements about the reliability and network of distribution system.The low-voltage distribution power system’s stability and reliability which is at theend of the power distribution system, directly to the user’s
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In the process of obtaining and exchanging information, image and pictures contain a largeamount of information, and they have been the main source of information exchange. As videoinformation and signal have characteristics such as visualization, certainty, high efficiency andreliability, video collection and processing have always been important research content in this field,and the development and
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Ad hoc network is this kind of network whose nodes are both terminal nodes and routers. Multi-hop is the most important feature of Ad hoc network. Nowadays, there are many research results of Ad hoc network have been achieved. Most of these results are mainly about the Mac layer and routing protocol of network layer
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RFID (Radio Frequency Identification) technology is mainly used in non-contact objectsidentification based on radio frequency electromagnetic theory. It has the advantages of non-contactcommunicating, easy to read and write data, high communicating speed and good in data security.Working with no environmental limits, RFID technology can automatically identify andcommunicate with tags by sending and receiving RF electromagnetic
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Intelligent household system can provide users with intelligent control plan, make the user’s life more convenient and efficient, more can save unnecessary waste of resources in the family daily life, and provide reliable safety guarantee. Although the intelligent household system have certain of development, and corresponding product also begins to appear in the domestic market,
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