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Historical parchment scrolls are fragile, and prone to damage from a variety of causes such as fire, water, and general mistreatment. Consequently many of these scrolls cannot be unrolled, so that their contents have remained hidden for centuries. To overcome these difficulties, we have developed a method of segmenting X-ray tomographic scans of parchment(More)
Crater-based visual navigation method is a promising and precise method for future planetary landing missions. To develop and test the crater-based visual navigation algorithms, in this paper, we present an original and effective algorithm for generating the synthetic crater gray image. The presented crater gray image simulation algorithm is flexible and(More)
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