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You searched on: Topic Area: Imaging

Displaying records 31 to 40 of 52 records.
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31. Web Accessible Image Similarity Measurements
Topic: Imaging
Published: 7/17/2012
Authors: Antoine Vandecreme, Paul Khouri Saba, Benjamin J Long, Joe Chalfoun, Peter Bajcsy, Mary C Brady
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911666

32. Evaluation of 3D Interest Point Detection Techniques via Human-generated Ground Truth
Topic: Imaging
Published: 6/29/2012
Authors: Afzal A Godil, Helin Dutagaci
Abstract: In this paper, we present an evaluation strategy based on human-generated ground truth to measure the performance of 3D interest point detection techniques. We provide quantitative evaluation measures that relate automatically detected interest point ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911521

33. A New Convexity Measurement for 3D Meshes
Topic: Imaging
Published: 6/16/2012
Authors: Afzal A Godil, Zhouhui Lian
Abstract: This paper presents a novel convexity measurement for 3D meshes. The new convexity measure is calculated by minimizing the ratio of the summed area of valid regions in a mesh‰s six views, which are projected on faces of the bounding box whose edg ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911359

34. SHREC‰12 Track: Generic 3D Shape Retrieval
Topic: Imaging
Published: 5/13/2012
Authors: Bo Li, Afzal A Godil
Abstract: Generic 3D shape retrieval is a fundamental research area in the field of content-based 3D model retrieval. The aim of this track is to measure and compare the performance of generic 3D shape retrieval methods implemented by different participant ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911044

35. SHREC‰12 Track: Sketch-Based 3D Shape Retrieval
Topic: Imaging
Published: 5/13/2012
Authors: Bo Li, Afzal A Godil
Abstract: Sketch-based 3D shape retrieval has become an important research topic in content-based 3D object retrieval. The aim of this track is to measure and compare the performance of sketch-based 3D shape retrieval methods implemented by different parti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911047

36. Maximum Entropy and Time-Domain Kramers-Kronig Phase Retrieval Approaches are Functionally Equivalent for CARS Micro-Spectroscopy
Topic: Imaging
Published: 4/27/2012
Authors: Marcus T Cicerone, Khaled A. Aamer, Young Jong Lee, Eric Vartiainen
Abstract: Phase retrieval methods are used to recover Raman spectra from multiplex and broadband CARS signals. Two methods are in widespread use, one based on maximum entropy (MEM), and one based on a modified time-domain Kramers-Kronig (TDKK) method. He ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909437

37. An Evaluation of Local Shape Descriptors for 3D Shape Retrieval
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7812
Topic: Imaging
Published: 3/8/2012
Author: Sarah Y. Tang
Abstract: As the usage of 3D models increases, so does the importance of developing accurate 3D shape retrieval algorithms. Most prominently, shape descriptors are used to describe the geometric and topological properties of objects and compared to determine t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909219

38. 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

39. 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

40. 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



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