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Rotation Profile-Based Binary Shape Descriptor
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DOI：10.1007/s00371-025-03906-9.png)
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Abstract
En 中文
This study proposes a new shape descriptor based on the Rotation Profile. The descriptor is a sequence of numbers estimated when the shape is rotated about a fixed point by an angular increment in a range of 180 degrees. For each rotation angle, the number in the sequence is the Jaccard index of the original and rotated shapes. The descriptor is invariant to similarity transformation, which makes it an efficient tool for analyzing various shapes. The study also presents a high-performance implementation of the Rotation Profile construction algorithm. The tests show that the proposed shape descriptor is highly efficient and stable when applied to a range of classification problems, and can be successfully used in computer vision shape analysis applications.
Keywords:
Computer vision
Image analysis
Shape analysis
Binary image
Jaccard index
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