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Real-Time Automatic Segmentation of Optical Coherence Tomography Volume Data of the Macular Region

Jing Tian, Boglárka Varga, Gábor Márk Somfai, Wen-Hsiang Lee, William E. Smiddy, Delia Cabrera DeBuc, Daniel L Rubin
2015 PLoS ONE  
The fast and automatic analysis of 3D volume OCT data is crucial taking into account the increased amount of patient-specific 3D imaging data.  ...  The proposed method is implemented using the shortestpath based graph search, which detects the retinal boundaries by searching the shortest-path between two end nodes using Dijkstra's algorithm.  ...  We would also like to thank Milan Sonka, Ph.D. from the University of Iowa, for facilitating the online interactions with the IOWA Reference algorithm.  ... 
doi:10.1371/journal.pone.0133908 pmid:26258430 pmcid:PMC4530974 fatcat:yxyymscuyvdf5khui2l2hux6na

Shot Boundary Detection [chapter]

Rodney Topor, Kenneth Salem, Amarnath Gupta, Kazuo Goda, Johannes Gehrke, Nathaniel Palmer, Mohamed Sharaf, Alexandros Labrinidis, John F. Roddick, Ariel Fuxman, Renée J. Miller, Wang-Chiew Tan (+205 others)
2009 Encyclopedia of Database Systems  
Shot Boundary Detection Approaches: • UIowa05SB01 -by frame histogram similarity • UIowa05SB02 -by frame pixel distance similarity • UIowa05SB03 -by frame histogram * distance (product)  ...  Park, "Experiments in Boundary Recognition at the University of Iowa," Proceedings of the 2003 TRECVID Workshop. [4] Eichmann, D and D. J.  ...  Park, "Boundary and Feature Recognition at the University of Iowa," Proceedings of the 2004 TRECVID Workshop. [5] Fiscus, J., "A Post-Processing System to Yield Reduced Word Error Rates: Recognizer Output  ... 
doi:10.1007/978-0-387-39940-9_3605 fatcat:xoroost6ozhjhp37bophcjez3a

TRECVID 2005 - An Overview

Paul Over, Tzveta Ianeva, Wessel Kraaij, Alan F. Smeaton
2005 TREC Video Retrieval Evaluation  
DCU, the University of Amsterdam, and the University of Iowa helped out in the distribution of corrected data to replace the corrupted or inaccessible data on the hard drives.  ...  Richard Wright at the BBC Archive made the rushes data available and Gary Marchionini and the Open Video Project at the University of North Carolina at Chapel Hill helped us get the NASA videos in MPEG  ...  LaBRI at the University of Bordeaux used MPEG motion vector input to build a 6 parameter affine model.  ... 
dblp:conf/trecvid/OverIKS05 fatcat:czlfoelhrnaxnnhwr74antamqi

TRECVID 2004 - An Overview

Wessel Kraaij, Alan F. Smeaton, Paul Over, Joaquim Arlandis
2004 TREC Video Retrieval Evaluation  
For condition 1 the University of Iowa submitted shot boundaries as story boundaries. For condition 3 they used an extended set of trigger phrases.  ...  At the suggestion of the IBM team, a "fully automatic search" task was included late in the development cycle.  ...  (I 1, V 4, R 0 -this topic was dropped from the evaluation) 147 Find shots of one or more buildings on fire, with flames and smoke visible.  ... 
dblp:conf/trecvid/KraaijSOA04 fatcat:b4iuxjacivcpxmkbho5hficji4

Measuring Objective Quality of Colonoscopy

JungHwan Oh, Sae Hwang, Yu Cao, W. Tavanapong, Danyu Liu, J. Wong, P.C. de Groen
2009 IEEE Transactions on Biomedical Engineering  
To address this problem, we present a new computer-based method that analyzes a digitized video file of a colonoscopic procedure and produces a number of metrics that likely reflect the quality of the  ...  Although colonoscopy has become the preferred screening modality for prevention of colorectal cancer, recent data suggest that there is a significant miss rate for the detection of large polyps and cancers  ...  Hwang was at the University of North Texas, Denton, and Y. Cao was at Iowa State University, Ames.  ... 
doi:10.1109/tbme.2008.2006035 pmid:19272904 fatcat:b2spld756zfvfithogdnpmn7z4

Page 3814 of Psychological Abstracts Vol. 84, Issue 9 [page]

1997 Psychological Abstracts  
TABLE OF CONTENTS Preface Nonverbal communication: Crossing the boundary between culture and nature - Ullica Segerstrale and Peter Molnar Part I: New findings on the universality of human nonverbal communication  ...  (U Iowa, lowa City, LA) Are the same attentional mechanisms used to detect visual search targets defined by color, orientation, and mo- tion?  ... 

Page 97 of Mechanical Engineering Vol. 80, Issue 9 [page]

1958 Mechanical Engineering  
laminar boundary layer at high fluid velocity, and heat transfer in liquid metals.  ...  mentals of measurement and automatic control systems used in the process fields.  ... 

Video shot boundary detection: Seven years of TRECVid activity

Alan F. Smeaton, Paul Over, Aiden R. Doherty
2010 Computer Vision and Image Understanding  
Shot boundary detection (SBD) is the process of automatically detecting the boundaries between shots in video.  ...  In this paper we present an overview of the TRECVid shot boundary detection task, a high-level overview of the most significant of the approaches taken, and a comparison of performances, focussing on one  ...  Acknowledgment The authors would like to thank the sponsors, John Lasko for doing the groundtruth creation, and the participating groups over the last 7 years.  ... 
doi:10.1016/j.cviu.2009.03.011 fatcat:w5kluejxi5bfrfrwq7jku7jgda

Isaac: Building Simulations for Virtual Environments [chapter]

James F. Cremer, George Vaněček
1995 IFIP Advances in Information and Communication Technology  
The Isaac system is a distributed simulation server that integrates multibody dynamics, geometry, and control and is designed to support the needs of virtual environments.  ...  This paper describes the architecture and initial implementation of the Isaac system. Our general research goal is to develop simulation support for virtual environments.  ...  ACKNOWLEDGEMENTS This work is supported by Office of Naval Research grant N00014-94-1-0576. Iowa's Michael Booth and Paul Henning developed much of the first Isaac implementation.  ... 
doi:10.1007/978-0-387-34904-6_17 fatcat:ifkbv45uyffyrlwxoepajqnyfu

Real-Time Crop Row Image Reconstruction for Automatic Emerged Corn Plant Spacing Measurement

L. Tang, L. F. Tian
2008 American Society of Agricultural and Biological Engineers. Transactions  
This mosaicking algorithm was capable of reconstructing crop row images in real-time while the sampling platform was traveling at a velocity up to 1.21 m s-1 (2.73 mph).  ...  This mosaicking algorithm was capable of reconstructing crop row images in real-time while the sampling platform was traveling at a velocity up to 1.21 m s -1 (2.73 mph).  ...  Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the Iowa State University and the University  ... 
doi:10.13031/2013.24510 fatcat:fhubfcomdjhtbc2agrm4dvnwsi

Motion-Compensated Mega-Voltage Cone Beam CT Using the Deformation Derived Directly From 2D Projection Images

Mingqing Chen, Kunlin Cao, Yefeng Zheng, R. Alfredo C. Siochi
2013 IEEE Transactions on Medical Imaging  
The reconstruction was compared with three other motion-compensated approaches based on quantification accuracy of motion and size.  ...  The proposed approach has the best overall performance, with a relative tumor volume quantification error of 3.39 3.64% and 8.57 8.31% for FE and FI phases, respectively.  ...  Chen was with the Department of Electrical and Computer Engineering, University of Iowa, Iowa City, IA 52242 USA.  ... 
doi:10.1109/tmi.2012.2231694 pmid:23247845 fatcat:gwruj53p4fc2zooi7qz6eymhbe

Automated analysis of brachial ultrasound image sequences: early detection of cardiovascular disease via surrogates of endothelial function

M. Sonka, Weidong Liang, R.M. Lauer
2002 IEEE Transactions on Medical Imaging  
The method overcomes the variability of brachial ultrasound images across subjects by incorporating machine learning and quality control steps.  ...  Arterial endothelium play a primary role in processes leading to the development of atherosclerotic plaque and cardiovascular disease in general.  ...  ACKNOWLEDGMENT The authors would like to thank sonographer R. Browning for contributing manual tracings utilized in this paper.  ... 
doi:10.1109/tmi.2002.806288 pmid:12585709 fatcat:ux3x2ht7uje2heg2ozjazrihiy


2000 International journal of pattern recognition and artificial intelligence  
The method is successfully applied to elastic materials and real burn scar cases. We demonstrate all of the proposed techniques and investigate the behavior of elasticity function in a 3-D space.  ...  The method also demonstrates the application of scale and mesh refinement techniques in this important domain.  ...  These points and their displacements are automatically fed into the FEM model, and provide the foundation for the calculation of motion and deformation parameters.  ... 
doi:10.1142/s0218001400000131 fatcat:m2uts7t3jnfpli7omoxr65zsee

Ship hydrodynamic optimization by local hybridization of deterministic derivative-free global algorithms

Andrea Serani, Giovanni Fasano, Giampaolo Liuzzi, Stefano Lucidi, Umberto Iemma, Emilio F. Campana, Frederick Stern, Matteo Diez
2016 Applied Ocean Research  
The hull-form optimization of the DTMB 5415 model is solved for the reduction of the calm-water resistance at Fr = 0.25, using potential flow and RANS solvers.  ...  line search methods.  ...  The authors are grateful to Dr. Woei-Min Lin and Dr. Ki-Han Kim of the US Navy Office of Naval Research, for their support through NICOP grant N62909-15-1-2016 and grant N00014-14-1-0195.  ... 
doi:10.1016/j.apor.2016.04.006 fatcat:idhepj2gurbp3ozqk2zlflpghq

Automated Segmentation of Neural Canal Opening and Optic Cup in 3D Spectral Optical Coherence Tomography Volumes of the Optic Nerve Head

Zhihong Hu, Michael D. Abràmoff, Young H. Kwon, Kyungmoo Lee, Mona K. Garvin
2010 Investigative Ophthalmology and Visual Science  
To develop an automated approach for segmenting the neural canal opening (NCO) and cup at the level of the retinal pigment epithelium (RPE)/Bruch's membrane (BM) complex in spectral-domain optical coherence  ...  In most eyes, the NCO-based 2D metrics, as estimated by the novel automated graph-theoretic approach to segment the NCO and cup at the level of the RPE/BM complex in SD-OCT volumes, correlate well with  ...  Burgoyne and his research group from Devers Eye Institute for their helpful comments and discussion regarding histomorphometric and OCT based morphometric analysis of the ONH.  ... 
doi:10.1167/iovs.09-4838 pmid:20554616 pmcid:PMC3061507 fatcat:2lrtcrn2ovdelipacoewecciqu
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