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Research Associate, Center for Advanced Spatial Technologies, Fayetteville, Arkansas:
Developed and taught GIS and GPS courses for the Environmental and Spatial Technology (EAST) program. Worked with high school students to integrated GIS and GPS technology into student initiated community projects. Developed photogrammetry and GPS short course for college freshman working in an EAST-related summer program to collect GPS points for ground control of satellite imagery.
Short courses & seminars:
Introduction to GIS and GPS, CAST/EAST, 2000-2004
Advanced Vector GIS, CAST/EAST, 2000-2004
Advanced Raster GIS, CAST/EAST, 2000-2004
Integrating Geospatial Activities into the EAST Classroom, Facilitator Training, CAST/EAST, 2002-present
RESEARCH INTERESTS
Dr. Cothren's research interests include various aspects of digital photogrammetry including sensor modeling, DEM extraction, feature extraction and matching for orientation, integration of LIDAR point-clouds, reliability analysis of adjustment models and integration with enterprise-scale Geospatial Information Systems.
PROFESSIONAL EXPERIENCE
Research Associate, Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville, AR. Develop proposals, design and implement research. Team leader of multiple research projects with 10 research staff members. Oversee use of and develop training for Center's geodetic survey equipment. Assist in Center's budget preparation and maintenance. November 2002 - August 2004.
Photogrammetric Engineer, National Air Intelligence Center, United States Air Force, Dayton, OH. Directed photogrammetric and image understanding research for a division of 100+ imagery analysts and engineers. Developed proposals, designed and implemented research. Developed and administered multi-million dollar research and development budget. December 1999 - June 2001.
Officer/Scientific Analyst, United States Air Force and Air Force Reserve. National Air Intelligence Center. Developed proposals for and was technical program manager of multi-million dollar budgets for research into improvement of intelligence collection from multi-source imagery including National Technical Means. Represented the National Air Intelligence Center on national-level technical intelligence working groups. Presented research and production results to national level working groups. Dayton, OH. August 1990 - December 1998.
OTHER DUTIES
UA Chapter GTU Advisor,
American Society of Photogrammetry and Remote Sensing
National Director representing the Central Region
ACADEMIC INTERESTS AND ACCOMPLISHMENTS
Member, National Board of Directors, American Society of Photogrammetry and Remote Sensing. Bethesda, Maryland. 2004 to present.
Editorial Board Member, Earth Imaging Journal, 2004 to present
Professional Consultant. Spatial Integrated Systems, Inc. Silver Springs, Maryland: 2001 to present
PUBLICATIONS/PRESENTATIONS
Articles in national, refereed journals, proceedings and books
Cothren, J. 2006. Experiements with LIDAR point cloud driven feature extraction in close-range digital photogrammetry applications, ASPRS 2006 Annual Conference and Technology Exhibition, May 1-5, Reno, Nevada, USA.
Tullis, J., Cothren, J., and Kvamme, K. 2005. In-situ observations. American Society of Photogrammetry and Remote Sensing Manual of Remote Sensing, Chapter.
Cothren, J. and Schaffrin, B. 2005. Reliability Design for Imagery from Data, International Cartographic Conference, A Coruña, Spain, June 9-16, 2005.
Cothren, J. 2005. Reliability in Constrained Gauss-Markov Models: An Analytical and Differential Approach with Applications in Photogrammetry. Report #473, Geodetic and GeoInformation Science, The Ohio State University. February, 2005.
Cothren, J. , Schaffrin, B. Schenk, A. 2005. An Analytical Comparison of Direct and Indirect Orientation. (in press)
Limp, F., Cothren, J, Smith, A., Ernenwein, E., Harmon, D. 2004. Application of Ground-Based LIDAR and Other Innovative Photogrammetric Methods to the Documentation of and Interpretation of Historic Structures and Archeological Sites. 2004 Partners in Environmental Technology Technical Symposium & Workshop "Meeting DoD's Environmental Challenges". Nov 30 - Dec 2, 2004. Washington, D.C.
Cothren, J., Schaffrin, B. 2004. Differential approaches to reliability in Gauss-Markov and Gauss-Helmert models with applications in geomatics. In preparation.
Cothren, J. 2004. Large-scale ortho-image generation with the Quickbird Basic product. In preparation.
Schaffrin, B., Cothren, J. 2003. Hierarchical data fusion with photogrammetric applications, Brazilian Journal of Cartography, No. 55/02, pp. 25-34.
Schaffrin, B., Cothren, J. 1998. Towards optimizing hierarchical data revisions. Proceedings of the 9th Symposium on GIS: Between Vision and Applications, Stuttgart, Germany, pp. 515-521.
Articles in national, non-refereed, technical journal
Limp, F., Cothren, J. 2005. Web-based Solutions Open New Doors for a Multitude of Diverse Users, Earth Imaging Journal, Vol 12, No 4.
Cothren, J., Payne, A., Vranich, A., Limp, F. 2006. A Modern Survey of Ancient Ruins: Long-range, high-density laser surveying was used with great success at the Machu Picchu archaeological site in Peru. GeoWorld, Jan 2006.
Cothren, J. 2005. Lizard Tech GeoExpress 5.0 Extends the Utility of MrSID Generation 3 and JPEG 2000 Images. Earth Imaging Journal, May/June issue.
Cothren, J., 2005. Digital Mapping Cameras: Choosing the right tool for the job.. Earth Imaging Journal, March/April issue.
Tullis, J. and Cothren, J., 2005. Software Review: QT Modeler. GeoWorld, March issue.
Cothren, J., and Gorham, B., 2005. Automated feature extraction: software advances extract impervious surfaces from satellite imagery. Earth Imaging Journal, January/February issue.
Cothren, J, and Limp, W. F., 2004. 3D Applications at the Center for Advanced Special Technologies. POB, May issue.
Cothren, J., 2004. Software Review: Leica Photogrammetry Suite. GeoWorld, May issue.
Tullis, J. and Cothren, J., 2005. Software Review: QT Modeler. GeoWorld, March issue.
Cothren, J, and Limp, W. F. 2003. It's a 3D World - Emerging photogrammetry technologies make it easier than ever to deliver geospatial solutions. GeoWorld, January issue.
Papers in non-refereed conference proceedings
Cothren, J., 2005. Managing Very Large LIDAR Point Clouds in an Enterpirse Database. GIS for Local Government Conference, RGIS. Pennsylvania State University. October 19.
Tullis, J., Cothren, J., 2005. Arkansas' 2004 Land Use / Land Cover Mapping Using Decision Trees. GIS for Local Government Conference, RGIS. Pennsylvania State University. October 19.
Cothren, J., 2005, Investigating the Utility of Managing LIDAR Point Clounds in an Enterprise Database. Arkansas GIS Users Conference, Hot Springs, AR. October 4.
Cothren, J., Tullis, J. and Limp, W.F., 2004, CAST and forest applications: from LIDAR to SDSS, Arkansas Forestry Association, October 13.
Cothren, J., Culpepper, B. 2005. Collection, Processing and Assessment of 1:400 Scale Orthophoto Production in Northwest Arkansas. American Society of Photogrammetry and Remote Sensing Central Region Technical Meeting. University of Arkansas, Fayetteville. January 11.
Tullis, J., Cothren, J. Wilson, J, Gorham, B. 2005. Regional Land Cover Mapping in Central America in Support of Carbon Sequestration Analysis. (co-author review).
Cothren, J. 2005. Accuracy Assessment and Distribution of Northwest Arkansas LIDAR. United States Geologic Survey LIDAR Workshop. Eros Data Center, Sioux Falls, SD. May.
Smith, A, and Cothren, J. 2004, The Narrows in 3D - A Virtual and Educational Experience. Innovmetric International PolyWorks User Meeting, Quebec City, Canada, June 17-18.
Cothren, J., 2004, Impervious surface delineation using high-resolution satellite imagery and segmentation with contextual constraints. RGIS Regional Conference. Pennsylvania State University, October 28-30.
Cothren, J., 2003, Experiences working with high-resolution satellite imagery over Northwest Arkansas. Arkansas GIS Users Conference, 2003.
Cothren, J., 2003. Integrating K-12 education as a "technology transfer" solution for geospatial technologies in rural communities. RGIS Regional Conference. Pennsylvania State University, October 27-29.
Cothren, J. and Williamson, M. 2003, The Geospatial Virtual Camp: web-based, self-paced training for GeoMedia Professional. Intergraph GeoSpatial World 2003.
GRANTS
2006
Probabilistic Risk-based Decision Support for Oil and Gas Exploration and Production Facilities in Sensitive Ecosystems. (Co-PI). United States Department of Energy
Streamlining Archeo-Geophysical Data Processing and Integration. (Co-PI). United States Department of Defense, Strategic Environmental Research and Development Program
Terrorism in Space and Time: The Inclusion of Spatio-Temporal Data from Federal Terrorism Cases into the ATS Data. (Co-PI). National Institute of Justice. Award
National Consortium for Rural Geospatial Innovations (RGIS) (Co-PI). United States Department of Agriculture
2005
Geospatial Analysis of Terrorist Activities: The Identification of Spatial and Temporal Patterns of Preparatory Behavior of International and Environmental Terrorists (Co-PI). National Institute of Justice
National Consortium for Rural Geospatial Innovations (RGIS) (Co-PI). United States Department of Agriculture
Evaluation of Proposed AGFC Internet Mapping (PI). Arkansas Game and Fish Commission
Digitization and Web Access of a Collection of Remotely-Sensed Imagery (SEASAT, Aircraft radar, Skylab, Aerial photography and SIR-A) (Co-PI). Space and Planetary Sciences Center
Feasibility of DLT and RPC in ModelingArtificial Stereo-Mate (PI). Leica Geospatial Imaging
GeoStor Operation and Data Transfer (PI). Arkansas Geographic Information Office
Development of on Online Tracking and Mapping System (PI). Arkansas Game and Fish Commission
Arkansas Wetlands Resource Integrated Management System (PI). Arkansas Soil and Water Conservations Service (not Arkansas Natural Resources Commission)
2004
An Enterprise Geospatial Architecture and Development of Automated Analysis Methodologies for Central American Carbon Sequestration Analysis (Year 2). (Co-PI) NASA and United States AID
Aligning City, State, and Federal Geospatial Data needs (PI). Arkansas Geographic Information Office
Online Animal Tracking and Mapping Information System (PI). Arkansas Game and Fish Commission
Load Quickbird High-resolution Satellite Imagery of Pulaski County into GeoStor (PI). Arkansas Geographic Information Office
EAST Geospatial Support. EAST, Inc.
National Consortium for Rural Geospatial Innovations (RGIS) (Co-PI). United States Department of Agriculture.
Load Quickbird high-resolution satellite imagery of Pulaski County into GeoStor (PI). Arkansas Geographic Information Office
Aligning city, state and federal geospatial needs (PI). Arkansas Geographic Information Office and United State Geologic Survey
Load Northwest Arkansas ortho-imagery and digital elevation model into GeoStor (PI). Northwest Arkansas Regional Planning Commission and University of Arkansas Library
2003
An Enterprise Geospatial Architecture and Development of Automated Analysis Methodologies for Central American Carbon Sequestration Analysis (Year 1). (Co-PI) NASA and United States AID
High Accuracy/Resolution Landscape and Structure Characterization System (Co-PI) National Science Foundation Major Research Instrumentation Grant
Ortho-Image and Impervious Surface Map Generation from High Resolution Satellite Imagery. (Co-PI). City of Fayetteville, Fayetteville Public Schools, PCI Geomatics Inc., Digital Globe LLC (Co-PI)
National Consortium for Rural Geospatial Innovations (RGIS). United States Department of Agriculture
EAST Geospatial Support. (Senior Person). EAST, Inc.
2002
EAST Geospatial Support. (Senior Person). EAST Inc.