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3D Part Identification Based on Local Shape Descriptors



Xiaolan Li, Afzal A. Godil, Asim Wagan


This paper explores 3D object recognition based on local shape descriptor. 3D object recognition is becoming an increasingly important task in modern applications such as computer vision, CAD/CAM, multimedia, molecular biology, robotics, and so on. Compared with general objects, CAD models contain more complicated structures and subtle local features. It is especially challenging to recognize the CAD model from the point clouds which only contain partial data of the model. We adopt the Bag of Words frame to do the partial-to-global 3D CAD retrieval. In this paper the visual words dictionary is constructed based on a classical local feature descriptor: spin image. The method is tested on Purdue Engineering Shape Benchmark. Furthermore, several experiments are performed to show how the size of query data and the dissimilarity measurement affect the retrieval results.
Conference Dates
August 19-21, 2008
Conference Location
Gaithersburg, MD
Conference Title
Performance Metrics for Intelligent Systems Workshop Proceedings (PerMIS)


bag of words, CAD model retrieval, spin image


Li, X. , Godil, A. and Wagan, A. (2008), 3D Part Identification Based on Local Shape Descriptors, Performance Metrics for Intelligent Systems Workshop Proceedings (PerMIS), Gaithersburg, MD, [online], (Accessed April 17, 2024)
Created August 19, 2008, Updated February 17, 2017