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Case-based reasoning (CBR) is a method to solve problems with the previous experience, and has achieved great success in many fields in recent years. In order to realize the scientification, intellectualization and modernization of drilling by making full use of the existing drilling information, the paper discusses the problems in the drilling parameter optimization based on CBR. The article introduces...
Threshold selection is the critical issue in image denoising. This paper deal with a new multiscale directional representation called the shearlet transform that has shown to represent specific classes of images with distributed discontinuities optimally. Techniques based on this transform for denoising using an efficient adaptive shrinkage threshold are presented. The shearlet transform not only...
In order to evaluate competitive power of industrial estate, the paper takes three industrial estates of coal, electric power and nonferrous metals as evaluated object, on the base of establishing comprehensive evaluation system this paper establishes comprehensive score model of competitive power of industrial enterprise By means of factor analysis. Meanwhile according to the classification of comprehensive...
Tight-banding approach was found to be an effective approach to gain the main feature of a coupled-cavity structure, frequency and general distribution pattern for example. A two-cavity-coupled system was shown as an example.
A fast algorithm is proposed to restore the color images, degraded in a deterministic way by motion- blurred,by multichannel combination processing. Based on the color space conversion model, the point spread functions of the image motion on each plane of YUV422 image can be achieved.The U, V plane of YUV422 images are combined to form a newel plane which has the same size as Y plane. Then, the Y,...
This paper proposes a new information retrieval method based on fuzzy rough sets theory. In the approach, firstly, the traditional Mutual Information function are used to compute the semantic association weight among document characteristic words, i.e., construct the thesaurus, the similar concept class of each characteristic word is mined based on it. Secondly, the fuzzy-rough set of document and...
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