With the rapid development of multimedia information technology, the capacity of the databases which store a variety of multimedia resources is being increased; image database is a representative example. Faced with large-capacity image database, users urgently need a rational approach to quickly and accurately locate the images corresponding with the specific content and use these
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With the emergence and development of the digital imaging technology, medical imaged have widely used in clinics and diagnosis. CT image has become a important method in clinics for its high resolution and little harm to human beings. However, the complexity of human tissue and the limitations of imaging system lead to the CT image
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Multi-exposure fusion method focuses on generating a single high quality resultant image by blending a set of multiple exposure images of a scene. The objective of multi-exposure fusion is representing all detail and color imformation of the scene naturally and authentically. Compare with HDR imaging, this method skips recovering the camera response curve stage and
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Image thresholding segmentation is an typical and basic issue in the image processing area, and it isalso a hotspot and hard part for the international research. The target and the background in one image donot have the same intensity and greatly affected by such factors as uneven light in the practical system.That is the reason
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Qinghai-Tibet railway is a fundamental national transportation facility, which plays a very important role either in economic or politics. But the railway lies in the Qinghai-Tibet plateau, where the nature environment is too atrocious to employ human to patrol around. Besides, the railway is easily to be damaged by sand, snow or other disaster. So
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Image recognition technology is extremely active research subject in the area of the computer image processing and pattern recognition. The watershed algorithm and mathematical morphology algorithm has the widespread application in image object recognition. This paper unifies these two methods, and uses in remote sensing image object recognition. The major work summarized as follows:(1) Discusses
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NIMA and NASA carried out a plan named Shuttle Radar Topography Mission (SRTM) in Feb, 2000. The goal of this plan is analyzing and treating all collected data, drawing high-accuracy global three-dimensional map. Because of the influence of the geometrical characteristic of radar’s side view and space shutter rail’s design, the quality of SRTM data
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In recent years,with the improvement of the micro electro mechanical systems technology and communications technology,sensor nodes are more and more miniaturizing and intelligent.WSNs have become a hot spot in the research of information field.In the large scale applications of WSNs,how to sense the physical information and transmit them to users efficiently using these small,energy constrained,
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With the development of computer technology and the popularity of digital devices, the intelligent manipulation and editing technique of images has attracted many researchers, and has become a research hotspot. Image restoration is to restore the damaged areas or remove the occluding objects with known information, eventually acquires a visually satisfactory result, and it is
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As a new media form, three-dimensional mesh model have gradually involved in people’s lives, and have applied in many areas more and more widely, such as virtual reality, animation games and production. Although the level of computer hardware has been rapidly developed, it will bring great pressure to the rendering, transmitting and editing system of
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