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Iris location is an essential module in iris recognition. Traditional iris location methods involve a large range of search, which is computation wasting and sensitive to noise. And these methods adopt circular template to locate the pupillary boundary. It may not accurately describe the pupillary actual boundary and bring the error for the following feature extraction and recognition. To address...
Ancient architectures are one of the most complex structures for surveying and mapping. For the lack of effective and automated mapping method, their surveying and mapping have been done manually over the years. LIDAR is currently the most efficient surveying and mapping equipment, but limited by the aerial platform, its point cloud accuracy fails to meet the mapping precision requirement of ancient...
Medical image registration methods based on the maximization of mutual information have shown promising results. But it needs much computing time. This paper presents a new method to rigid registration based on the combination of scale images and mutual information. Firstly, the concept of area morphology is introduced. And then, the scale images are constructed with the area morphological operators...
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