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Displaying records 41 to 50 of 52 records.
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41. Benchmarks, Performance Evaluation and Contests for 3D Shape Retrieval
Topic: Imaging
Published: 12/20/2010
Authors: Afzal A Godil, Zhouhui Lian, Helin Dutagaci
Abstract: Benchmarking of 3D Shape retrieval allows developers and researchers to compare the strengths of different algorithms on a standard dataset. Here we discuss the different steps involved in developing a benchmark and some of the issues involved. We th ...

Topic: Imaging
Published: 12/20/2010
Authors: Zhouhui Lian, Afzal A Godil
Abstract: Matching non-rigid shapes is a challenging research field in content-based 3D object retrieval. In this paper, we present an image-based method to effectively address this problem. Multidimensional Scaling (MDS) and Principal Component Analysis ( ...

Topic: Imaging
Published: 9/2/2010
Author: Hamid Gharavi
Abstract: Image inpainting is a useful and powerful technique for automatically restoring or removing objects in films and damaged pictures. In the last ten years, many excellent inpainting algorithms have been proposed after Bertalmio et al. [1]. However, no ...

44. Investigating the Bag-of-Words Method for 3D Shape Retrieval
Topic: Imaging
Published: 6/30/2010
Authors: Afzal A Godil, Xiaolan Li
Abstract: This paper investigates the capabilities of the Bag-of-Words (BW) method in the 3D shape retrieval field. The contributions of this paper are: 1) the 3D shape retrieval task is categorized from different points of view: specific vs. generic, part ...

45. Three Dimensional Shape Retrieval using Scale Invariant Feature Transform and Spatial Restrictions
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7625
Topic: Imaging
Published: 8/20/2009
Author: Lydia Ann Lei
Abstract: Three dimensional shape retrieval is a fairly new concept being studied all over the world. It is notable and essential because it can be applied to multiple disciplines in society, including: computer vision, CAD models, computer graphics, molecular ...

46. Facial Shape Analysis and Sizing System
Topic: Imaging
Published: 7/24/2009
Author: Afzal A Godil
Abstract: The understanding of shape and size of the human head and faces is vital for design of facial wear products, such as respirators, helmets, eyeglasses and for ergonomic studies. 3D scanning is used to create 3D databases of thousands of humans from ...

47. SHREC 09 Track: Structural Shape Retrieval on Watertight Models
Topic: Imaging
Published: 3/29/2009
Authors: Afzal A Godil, Helin Dutagaci, Xiaolan Li, Petros Daras, Ryutarou Ohbuchi, Takahiko Furuya, Masaki Tezuka, Thibault Napoleon
Abstract: The annual SHape REtrieval Contest (SHREC) measures the performance of 3D model retrieval methods for several different types of models and retrieval purposes. In this contest the structural shape retrieval track focuses on the retrieval of 3d models ...

48. SHREC 2009 - Shape Retrieval Contest of Partial 3D Models
Topic: Imaging
Published: 3/29/2009
Authors: Helin Dutagaci, Afzal A Godil, A. Axenopoulos, P. Daras, T. Furuya, R. Ohbuchi
Abstract: The objective of the SHREC 09 Shape Retrieval Contest of Partial Models is to compare the performances of algorithms that accept a range image as the query and retrieve relevant 3D models from a database. The use of a range scan as the query addresse ...

49. SHREC'09 Track: Generic Shape Retrieval
Topic: Imaging
Published: 3/29/2009
Authors: Afzal A Godil, Helin Dutagaci
Abstract: In this paper we present the results of the SHREC 09- Generic Shape Retrieval Contest. The aim of this track was to evaluate the performances of various 3D shape retrieval algorithms on the NIST generic shape benchmark. We hope that the NIST shape be ...

50. Local Thickness and Anisotropy Approaches to Characterize Pore Size Distribution of 3D Porous Networks
Topic: Imaging
Published: 3/6/2009
Authors: Martin Y Chiang, Xianfeng Wang
Abstract: We have proposed a superseding algorithm approach for image analysis of the pore size distribution (PSD) of porous media. This approach adapts the intrinsic definition of skeletonization for an object representation to the characterization of the PS ...

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