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You searched on: Topic Area: Imaging

Displaying records 11 to 20 of 50 records.
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11. SHREC‰14 Track: Retrieval and classification on Textured 3D Models
Topic: Imaging
Published: 6/12/2014
Author: Afzal A Godil
Abstract: This contribution reports the results of the SHREC 2014 track: Retrieval and classification on textured 3D models, whose goal is to evaluate the performance of retrieval algorithms when models vary either by geometric shape or texture, or both. The ...

12. SHREC‰14 Track: Shape Retrieval of Non-Rigid 3D Human Models
Topic: Imaging
Published: 6/12/2014
Authors: Afzal A Godil, Chunyuan Li
Abstract: We have created a new benchmarking dataset for testing non-rigid 3D shape retrieval algorithms, one that is much more challenging than existing datasets. Our dataset features exclusively human models, in a variety of body shapes and poses. 3D model ...

13. Calibrating multiple microscopes with a smartphone
Topic: Imaging
Published: 4/1/2014
Authors: Peter Bajcsy, Mary C Brady, Jacob Siegel
Abstract: Summary: The iPhone liquid crystal displays allows efficient and accurate calibration of an inexpensive array of handheld microscopes for measuring microscopic dynamic events over a large field of view. How does one build an inexpensive array of ha ...

14. Feature Measures for the Segmentation of Neuronal Membrane using Machine Learning Algorithm
Topic: Imaging
Published: 1/6/2014
Authors: Afzal A Godil, Saadia S. Iftikhar
Abstract: In this paper, we present a Support Vector Machine (SVM) based pixel classifier for a semi-automated segmentation algorithm to detect neuronal membrane structures in stacks of electron microscopy images of brain tissue samples. This algorithm uses ...

15. A comparison of methods for sketch-based 3D shape retrieval
Topic: Imaging
Published: 12/13/2013
Author: Afzal A Godil
Abstract: Sketch-based 3D shape retrieval has become an important research topic in content-based 3D object retrieval. To foster this research area, two Shape Retrieval Contest (SHREC) tracks on this topic have been organized by us in 2012 and 2013 based on ...

16. Exploring Local Features and the Bag-of-Visual-Words Approach for BioImage Classification
Topic: Imaging
Published: 11/5/2013
Authors: Afzal A Godil, Asim Wagan
Abstract: With recent advances in imaging technologies large numbers of bioimages are currently being acquired. Automated classification of these bio-images is a very important and challenging problem. Here we investigate the capabilities of local features a ...

17. Three-dimensional deep sub-wavelength defect detection using (lambda) = 193 nm optical microscopy
Topic: Imaging
Published: 10/25/2013
Authors: Bryan M Barnes, Martin Y Sohn, Francois R. Goasmat, Hui Zhou, Andras Vladar, Richard M Silver, Abraham Arceo
Abstract: Identifying defects in photolithographic patterning is a persistent challenge in semiconductor manufacturing. Well-established optical methods in current use are jeopardized by upcoming sub-20 nm device dimensions. Volumetric processing of focus-reso ...

18. Re-projection of Terabyte-Sized Images
Topic: Imaging
Published: 10/7/2013
Authors: Peter Bajcsy, Antoine Vandecreme, Mary C Brady
Abstract: This work addresses the problem of re-projecting a terabyte-sized 3D data set represented as a set of 2D Deep Zoom pyramids. In general, a re-projection for small 3D data sets is executed directly in RAM. However, RAM becomes a limiting factor for te ...

19. Terabyte Size Image Computations on Hadoop Cluster Platforms
Topic: Imaging
Published: 10/7/2013
Authors: Peter Bajcsy, Antoine Vandecreme, Julien M. Amelot, Phuong Thi Thu Nguyen, Joe Chalfoun, Mary C Brady
Abstract: We present a characterization of four basic terabyte size image computations on a Hadoop cluster in terms of their relative efficiency according to the modified Amdahl‰s law. The work is motivated by the fact that there is a lack of standard benchmar ...

20. Hybrid shape descriptor and meta similarity generation for non-rigid and partial 3D model retrieval
Topic: Imaging
Published: 7/26/2013
Author: Afzal A Godil
Abstract: Non-rigid and partial 3D model retrieval are two significant and challenging research directions in the field of 3D model retrieval. Little work has been done in proposing a hybrid shape descriptor that works for both retrieval scenarios, let alone ...

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