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Mathematics & Statistics

Image & signal processing

Search Publications

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  • Published Date
Displaying 151 - 175 of 311

Shape Descriptors Comparison for Cell Tracking

October 15, 2015
Author(s)
Michael P. Majurski, Christopher Zheng, Joe Chalfoun, Alden A. Dima, Mary C. Brady
New microscope technologies are enabling the acquisition of large volumes of live cell image data. Accurate temporal object tracking is required to facilitate the analysis of this data. One principle component of cell tracking is correspondence, matching

PIXEL FUSION BASED STEREO IMAGE RETARGETING

June 29, 2015
Author(s)
Hamid Gharavi
Image retargeting attempts to adapt images to different devices while preserving the salient contents. Most existing methods address retargeting of a single image. In this paper, we propose a novel image retargeting method for resizing a pair of stereo

JPEG 2000 CODEC Certification Guidance for 1000 ppi Fingerprint Friction Ridge Imagery

June 4, 2015
Author(s)
Shahram Orandi, John M. Libert, Michael Garris, John Grantham, Frederick R. Byers
The document describes the procedure by which applications of JPEG 2000 CODECs will be evaluated with respect to conformance to the NIST guidance for compression of 1000 ppi friction ridge images as detailed in NIST Special Publication 500-289 [NIST5]

Dynamic 3D Visualizations of Complex Function Surfaces Using X3DOM and WebGL

June 1, 2015
Author(s)
Bonita V. Saunders, Brian Antonishek, Qiming Wang, Bruce R. Miller
In 1997 the National Institute of Standards and Technology (NIST) embarked on a huge project to replace one of the most cited resources for mathematical, physical and engineering scientists, the Handbook of Mathematical Functions with Formulas, Graphs, and

SHREC'15: Range Scans based 3D Shape Retrieval

May 3, 2015
Author(s)
Afzal A. Godil
The objective of the SHREC'15 Range Scans based 3D Shape Retrieval track is to evaluate algorithms that match range scans of real objects to complete 3D mesh models in a target dataset. The task is to retrieve a rank list of complete 3D models that are of

Validated Open Source Nanofiber Diameter Measurement Tool

April 30, 2015
Author(s)
Nathan A. Hotaling, Kapil Bharti, Haydn Kriel, Carl G. Simon Jr.
Despite the growing use of nanofiber scaffolds for tissue engineering applications, there is not a validated, readily available (commercial or open source) solution for rapid, automated analysis of nanofiber diameter from scanning electron microscope (SEM)

Incorporating D3.js Information Visualization into Immersive Virtual Environments

April 9, 2015
Author(s)
Wesley N. Griffin, Luis D. Catacora, Jeffrey W. Bullard, Judith E. Terrill
We have created an integrated interactive visualization and analysis environment that can be used immersively or on the desktop to study a simulation of microstructure development during hydration or degradation of cement pastes and concrete. Our

Interactive Visual Computing Laboratory Research

March 25, 2015
Author(s)
Jian Chen, Judith E. Terrill, Henan Zhao, Guohao Zhang, Keqin Wu, Alexander Garbrino, Yongnan Zhu
We present three ongoing research projects (funded by NST and NIST) on behalf of the Interactive Visual Computing Lab at the University of Maryland Baltimore County. This lab exhibition presentation summarizes the design challenges we are currently

An efficient curve evolution algorithm for multiphase image segmentation

January 7, 2015
Author(s)
Gunay Dogan
We propose a novel iterative algorithm for segmentation of multiphase images by curve evolution. Specifically, we address a multiphase version of the Chan-Vese piecewise constant segmentation energy. Our algorithm is efficient: it is based on an explicit

Natural Scene Statistics in Infrared Images

December 12, 2014
Author(s)
Nicholas G. Paulter Jr., Todd R. Goodall, Alan C. Bovik
Natural Scene Statistics (NSS) produces powerful perceptually relevant tools that have been highly successful in image quality analysis of visible light images. These NSS capture statistical regularities in the physical world and thus can be applicable to

High Performance Visualization in Science and Research

December 6, 2014
Author(s)
Tomasz P. Bednarz, John Taylor, Tony Huang, Wesley N. Griffin, Steven G. Satterfield, Judith E. Terrill, John G. Hagedorn
This work showcases four examples of scientific visualizations across various domains of research and science that were prepared at CSIRO in Australia, and NIST in the USA: visualization of bone cancer, RF propagation through the human body, touch-less

Flat lens criterion by small-angle phase

December 1, 2014
Author(s)
Peter Ott, Mohammed H. Al Shakhs, Henri Lezec, Kenneth J. Chau
It is sometimes possible to image using a flat lens consisting of planar, uniform media. There is conceptual division between theoretical flat lens proposals, which require exotic properties such as negative index or counter-intuitive behavior such as

Spatial Computations over Terabyte-Sized Images on Hadoop Platforms

October 27, 2014
Author(s)
Peter Bajcsy, Antoine Vandecreme, Mary C. Brady, Phuong Nguyen
Our objective is to lower the barrier of executing spatial image computations in a computer cluster/cloud environment instead of in a desktop/laptop computing environment. We research two related problems encountered during an execution of spatial

A Hybrid CPU-GPU System for Stitching Large Scale Optical Microscopy Images

September 12, 2014
Author(s)
Timothy Blattner, Walid Keyrouz, Joe Chalfoun, Bertrand C. Stivalet, Mary C. Brady, Shujia Zhou
Researchers in various fields are using optical microscopy to acquire very large images, 10K--200K of pixels per side. Optical microscopes acquire these images as grids of overlapping partial images (thousands of pixels per side) that are then stitched
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