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Based upon an image reconstruction algorithm which has been proposed in medical imaging field, an algorithm termed as Multiply Back Projection (MBP) is firstly used in GPR imaging. This algorithm is similar to the conventional Back Projection (BP) imaging algorithm except for the additional pairing multiplication procedure. In the MBP algorithm, time delays from each synthetic aperture position to...
As the core link of off-line reverse analysis, data collecting can be regarded as decryption of encrypted synchronous sequential machine, the key part of which is driving itself from decrypted state to encrypted state by building state transition diagram and using corresponding search strategy. Based on diffusion mechanism, weighted state transition diagram is built, on which single-branch search...
Data collections often have inconsistencies that arise due to a variety of reasons, and it is desirable to be able to identify and resolve them efficiently. Similarity queries are commonly used in data cleaning for matching similar data. In this work we concentrate on the following problem of approximate string matching based on edit distance: from a collection of strings, how to find those strings...
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