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Displaying records 51 to 60 of 113 records.
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51. SHREC‰11 Track: Generic Shape Retrieval
Topic: Imaging
Published: 4/14/2011
Authors: Helin Dutagaci, Afzal A Godil
Abstract: In this paper we present the results of the 3D Shape Retrieval Contest 2011 (SHREC‰11) track on generic shape retrieval. The aim of this track is to evaluate the performance of 3D shape retrieval algorithms that can operate on arbitrary 3D models. Th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908086

52. Evaluation of 3D Interest Point Detection Techniques
Topic: Imaging
Published: 4/7/2011
Authors: Helin Dutagaci, Chun Pan (Benny) Cheung, Afzal A Godil
Abstract: In this paper, we compare the results of five 3D interest point detection techniques to the interest points marked by human subjects. This comparison is used to quantitatively evaluate the interest point detection algorithms. We asked human subjects ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908053

53. Salient Local 3D Features for 3D Shape Retrieval
Topic: Imaging
Published: 4/7/2011
Authors: Afzal A Godil, Asim Wagan
Abstract: In this paper we describe a new formulation for the 3D salient local features based on the voxel grid inspired by the Scale Invariant Feature Transform (SIFT). We use it to identify the salient keypoints (invariant points) on a 3D voxelized model and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907645

54. Efficient Motion Vector Interpolation for Error Concealment of H.264/AVC
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7733
Topic: Imaging
Published: 3/1/2011
Author: Hamid Gharavi
Abstract: In video communications the compressed video stream is very likely to be corrupted by channel errors. In order to combat these channel errors, many methods have been proposed. In this paper, a new method for motion vectors (MVs) interpolation with th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907185

55. Automated Extraction of Cellular Features for a Potentially Robust Classification Scheme
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7738
Topic: Imaging
Published: 1/19/2011
Authors: Afzal A Godil, Shwetadwip Chowdhury
Abstract: The advent of new imaging technologies has allowed faster and higher-resolution cellular image acquisition by light microscopy. This has directly aided clinical research by allowing doctors and other researchers to better visualize cells and cellula ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906886

56. A Benchmark for Best View Selection of 3D Objects
Topic: Imaging
Published: 12/23/2010
Authors: Helin Dutagaci, Chun Pan (Benny) Cheung, Afzal A Godil
Abstract: The best view selection corresponds to the task of automatically selecting the most representative view of a 3D model. In this paper, we describe a benchmark for evaluation of best view selection algorithms. The benchmark consists of the preferred vi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906379

57. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906789

58. NON-RIGID 3D SHAPE RETRIEVAL USING MULTIDIMENSIONAL SCALING AND BAG-OF-FEATURES
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 ( ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906263

59. Image Classification of Vascular Smooth Muscle Cells
Topic: Imaging
Published: 11/11/2010
Authors: Michael Grasso, Ronil Mokashi , Alden A Dima, Antonio Cardone, Kiran Bhadriraju, Anne L Plant, Mary C Brady, Yaacov Yesha, Yelena Yesha
Abstract: The traditional method of cell microscopy can be subjective, due to observer variability, a lack of standardization, and a limited feature set. To address this challenge, we developed an image classifier using a machine learning approach. Our system ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905981

60. Data Sets for the Qualification of Volumetric CT as a Quantitative Imaging Biomarker in Lung Cancer
Topic: Imaging
Published: 10/20/2010
Authors: Charles D. Fenimore, Andrew Buckler, Lawrence H. Schwartz, Nicholas Petrick, Michael McNitt-Gray, Binsheng Zhao, Anthony P Reeves, P. David Mozeley, Ricardo S. Avila
Abstract: The drug development industry is faced with increasing costs and decreasing success rates. New ways to understand biology as well as the increasing interest in personalized treatments for smaller patient segments requires new capabilities for the rap ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905531



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