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In this paper, we present a novel indoor positioning method with high accuracy and efficiency, requiring only the camera of a mobile device. The proposed method takes advantage of a novel visual vocabulary, Self-Optimized-Ordered Visual (SOO) Vocabulary under Bag-of-Visual-Word framework to exploit deep connections between physical locations and feature clusters. Additionally, related techniques improving...
Program similarity means how similar comparable programs are by the computer-assisted analysis, with the aim to find equivalent code fragments. In this paper, we propose a semantic approach to detect program plagiarism by the computation of program similarity based on variable dependence. To do so, we compute dependence over program variables, find a variable mapping which maps a variable in a program...
The key point of speaker recognition is to extract the unique, effective, stable and reliable features that can stand for the personality of the speaker from the speech signal. This paper applied the psychologically weighted technology in mel-cepstrum analysis and adopted the Signal-to-Mask Ratios (SMRS) obtained from the psychoacoustic model as the weighting function to obtain the weighted mel-cepstrum...
In this paper, we propose a new image decomposition model devoted to texture segmentation. By coupling some constraint terms in the model, the given textured image is decomposed into a sum of two functions with different basic characteristics. Then the textural feature space is segmented by using level set and active contours technology. Compared with some recent approaches, our method is more convincing...
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