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In order to strengthen the management of taxi and implement effective regulation and control on the taxi operation, one design approach of the operation monitoring and statistics analysis system for taxi based on the GPS information was developed in this paper. Firstly the taxi operation monitoring and statistical analysis index system is drawn up in this paper, and then the key technology of the...
In this paper, we present a novel scalable logo recognition system which can recognize a large number of logo categories locally on mobile devices. The system is unsupervised without any supervised training procedure, and very time efficient at low memory cost. It is also robust against challenging conditions such as noise addition, different image scale, rotation, etc. To achieve this goal, we propose...
In recent years, Locality Sensitive Hashing (LSH) (and its variant Euclidean LSH) has become a popular index structure for large-scale and high-dimensional similarity search problem. In this paper, we analyze a phenomenon we called “Non-Uniform” that degrades the query performance of LSH and propose a pivot-based algorithm to improve the query performance. We also provide a method to get optimal pivot...
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