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We reported an algorithm for two-dimensional (2-D) angle estimation of a single source with uniform circular arrays (UCAs) in our previous work. However, it is worth noting that this method is derived based on the assumption that the number of the sensors is even. This may limit its application in practice. To this end, we extend our previous work and propose a generalized algorithm that is applicable...
Presented here is a highly accurate and computationally efficient algorithm suitable for slap fingerprint segmentation. The main advantages of this algorithm are as follows: 1)three-order cumulant is used to roughly segment the foreground; 2)frequency domain analysis is carried out in local areas to do binarization and fine segmentation; 3)cumulative sum analysis is applied to extract the knuckle...
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