Dr.Gamal H.Seedahmed

gseedahmed@uofk.edu

Gamal.Seedahmed@gmail.com

Tel: +2499-123-94328

Tel: +2499-126-35756

Experience Summary Dr Gamal Seedahmed is a specialist in geospatial information technologies and Sciences. Dr.

Seedahmed is a founder and president of NG4 GeoSpatial Solutions, which is a digital mapping

company that delivers training, consultancy, software development, and services in geospatial

information technologies and applications. NG4 was located in USA. Dr. Seedahmed was an

assistant professor of Geomatics at University of Florida, USA; and currently he is holding a

similar position at the University of Khartoum. Before joining the University of Florida, he

worked for 6 years in The Pacific Northwest National Lab-US Department of Energy (DOE) as a

senior research scientist in which he led the research and development in digital mapping and

remote sensing. He worked extensively on several issues that are related to digital mapping, GIS

problems solving and applications development, and geospatial information technology

development. In particular, he developed new methods and techniques for automatic co-

registration of geospatial data, GIS data update and fusion, sensors calibration and geo-

registration, feature extraction, remote sensing in minerals exploration, and video sequence

analysis. In his assignment at University of Florida, he was in charge of the geomatics program

at a new campus of the University of Florida. Dr. Seedahmed is serving in several international

committees, a member of international scientific socities, as well as a reviewer for 4 journals that

are related to digital mapping. He is a recipient of several prestigious international awards in

Digital mapping and photogrammetry; and he has over 24 years of experience in digital

photogrammetry, Industrial & Engineering Measurement, Use of Remote Sensing For Minerals

Exploration such as Gold & Water, and GIS. His experience spans research and development,

systems design and implementation, teaching, project management, and consultancy. He had

been responsible for over 100 mapping projects.

Ph.D. 2004

(Digital Photogrammetr, Remote Sensing &GIS Mapping)

The Ohio State University, USA, Dept. of Civil Engineering. & Environmental & Geodetic

Science.

M.Sc. 2000

(Digital Photogrammetry & GIS Mapping)

The Ohio State University, USA, Dept. of Civil Engineering. & Environmental & Geodetic

Science.

B.Sc. 1993

(Surveying Eng).

University of Khartoum, Suda

Work Experience

Deputy Director of Directorate of Scientific Research & Cultural Relations. University of

Khartoum. 2015-to-Present.

Associate Professor of Surveying Eng. University of Khartoum. 2014-to Present.

Assistant Professor of Surveying Eng. University of Khartoum. 2010-2014.

Assistant Professor of GeomaticsUniversity of Florida.April 2007-2010

SeniorResearch Scientist, Computational & Information Sciences Directorate, Pacific

Northwest National Lab (PNNL), United States Department of Energy. 2001-2007.

General Manager of Informatics Solutions, 2010-Present.

GIS and Remote Sensing Consultant for The Agricultural Bank of Sudan. March-2010 to

2012.

GIS and Remote Sensing Consultant for the Ministry of Minerals (Sudan). 2010-2011.

GIS Consultant for Zain Sudan. March-2010 to August-2010.

President & Founderof NG4 Geospatial Solutions, USA(Training, Consultancy, Research

& Development, and software development Company).April 2007-2010.

Photogrammetry Consultant. Pacific Northwest National Lab (PNNL), United States

Department of Energy. 2007-2010.

Part-time Photogrammetric Engineer at a mobile mapping company, Columbus, OH,

USA, 1999-2001.

Teaching & Graduate Research Assistance at the Dept. of Civil and Environmental Eng.

and Geodetic Science, The Ohio State University. 1996-2001.

Teaching Assistance at the Dept. of Surveying Eng. University of Khartoum, Sudan.

1993-1996.

Survey Engineer at Al Obiedly Contracting Company, Khartoum, Sudan. 1993.

Management & Business Skills

Project management.

Business development & marketing.

Proposal writing & executive level presentation.

Computer Programming Skills

C, C++, C#, Visual C++, ArcGIS, ENVI, Surfer, ArcObjects programming, VBA, MATLAB,

FORTRAN.

Activities

Technical Reports:

Seedahmed, G. (June-2015). The Potential of Finding Groundwater In Elswani Area

Using Remote Sensing Analysis. A technical report submitted to Kenana Engineering and

Technical Services (KETS)

Seedahmed, G. (March-2015). Water Resources Atlas of Sudan. Submitted to Water

Resources Research Center-University of Khartoum-Sudan. 56 pages.

Martucci LM, GH Seedahmed, GM Petrie, and GG He (May-2005). Geometrically

Invariant-Information and Parameter Space Clustering (GIPSC): An Automated Spatial

Data Registration Methodology. Prepared by The Pacific Northwest National Lab for the

National Geospatial-Intelligence Agency (NGA). Project No. 41373.

Ward AL, JK Linville, JM Keller, and GH Seedahmed (Jan-2005). 200-BP-1 Prototype

Hanford Barrier Annual Monitoring Report. Prepared by The Pacific Northwest National

Lab for the US Dept. of Energy. Report No. 14960.

Anderson Ward, Gamal Seedahmed, Greg Anderson, and Fred Zhang. (2010). Integration

of Multi-Tension Permeametry and Photogrammetric Textural Segmentation for

Estimating Directional Permeability. SERDP Project ER-1366.Prepared by The Pacific

Northwest

Reviewer:

Photogrammetric Engineering & Remote Sensing Journal.

Optical Engineering Journal.

Sensor Review Journal.

The International Association of Science and Technology for Development (IASTED)

University of Khartoum Engineering Journal.

Consultancy:

Registered consultant at the African Development Bank.

Registered consultant in Geospatial Information Technology at Florida State, USA.

Professional Affiliations & Activities:

Technical Committee Member of The International Association of Science and

Technology for Development (Robotics & Applications Committee: Computer Vision)

(IASTED). (2004-2007).

Active contributor to the International Society of Photogrammetry and Remote Sensing,

Commission III, (ISPRS).

Full member of the American Society of Photogrammetry and Remote Sensing.

Organizer of Image Understanding Workshop Series. Pacific Northwest National Lab

(January-April 2002).

Co-founder of the Spatial Analytics Group. Pacific Northwest National Lab (2005).

Co-organizer of Unified Approaches for Automatic Image Registration Workshop.

Pacific Northwest National Lab (Feb-2006).

Member of the Science Innovation Committee. Pacific Northwest National Lab (2006).

Classes Taught

Classes Taught at University of Khartoum

1-Engineering Project Management.

2-Analytical photogrammetry.

3-Digital Terrain Modeling.

4-Satellite Geodesy.

5-3D Coordinates Computation from Photogrammetric data.

6-Project management.

7-GIS.

8-GIS Project Management.

9-Adjustment Computations.

10-GIS Applications.

11-MATLAB Programming.

12-How to write a scientific paper and thesis.

Classes Taught at University of Florida

1-Introduction to Geomatics.

2-Photogrammetry.

3-Spatial Measurement Systems.

4-Linear Modeling of the Photogrammetric Orientation Procedures.

5-Applications of Hough Transform in GIS.

6-Digital Mapping.

7-Advanced Analytical Photogrammetry.

8-MATLAB Programming.

Classes Taught at University of Washington

1-Remote Sensing.

2-Photogrammetry.

3-GIS.

4-Map Projections.

Areas of Technical Expertise

Digital, Analytical, & Operational Aspects of Photogrammetric Mapping.

Neural Networks Modeling of geospatial data.

Lidar mapping, GIS, Remote Sensing, Computer Vision, Image Understanding.

Tanks Calibration.

Image-Based 3D Modeling.

Digital Camera Calibration.

Development of Geospatial Information Technologies.

RTK GPS Surveying.

Design and implementation of bathymetric surveys.

Application of Surveying Technologies in Water Harvesting Projects.

Invited Presentations

1. Invited presentation by Police of Khartoum State. Presentation Title: An Integrated

Approach For Events Monitoring & Management Using Video Surveillance Cameras,

Digital Video Mapping, GPS-Tracking, & GIS. December-2015.

2. Invited presentation by Ministry of Planning-State of North Kordofan. Presentation Title:

Digital Video Mapping For City Planning Applications. Nov-2015.

3. Invited presentation by Ministry of Petroleum & Gas-Sudan. Presentation Title: Modern

Technologies For Tanks Calibration. Nov-2015.

4. Invited presentation by Ministry of Information-Sudan. Presentation Title: GIS-Based

Analysis For The TV Coverage and Gaps Identification In Sudan. October-2015.

5. Invited presentation by The Government of Al Gadaref State. Presentation Title:

Topographic Survey for Al Gadaref City To Support Water Network Design. September-

2015.

6. Invited presentation by PETRONAS-Sudan. Presentation Title: Geo-Marketing Survey

And Analysis For The Lubricant Market In Sudan. August-2015.

7. Invited presentation by Khartoum Locality-Khartoum State. Presentation Title: Digital

Video Mapping For Infrastructure Management. June-2015.

8. Invited presentation by Sudan Railway Corporation. Presentation Title: Static & Dynamic

Loading Analysis of A Short Span Bridge. May-2015.

9. Invited presentation by Kenana Sugar Company-Sudan. Presentation Title: Use of

Remote Sensing For Sugarcane Monitoring. May-2015.

10. Invited presentation by Ministry of Petroleum-Sudan. Presentation Title: Deformation

Analysis of Spherical and Vertical Tanks. April-2015.

11. Invited presentation by Ministry of Petroleum & Gas-Sudan. Presentation Title: Modern

Technologies and Analysis of Spherical Tanks Calibration. April-2015.

12. Invited presentation by Ministry of Petroleum-Sudan. Presentation Title: Modern

Technologies and Analysis of Vertical Tanks Calibration. March-2015.

13. Invited presentation by Ministry of Petroleum-Sudan. Presentation Title: Potential of

Water Harvesting in Oil Production Areas. January-2015.

14. Invited presentation by PETRONAS-Sudan. Presentation Title: Digital Video Mapping

For Billboards Management. October-2014.

15. Invited presentation by British Counsel- Sudan. Presentation Title: The Business Aspects

of GIS. August-2014.

16. Invited presentation by the Sudan Survey Corporation. Presentation Title:

Photogrammetric Project Planning, Dec-2013.

17. Invited presentation by the University of Medical Sciences and Technology (Sudan).

Presentation Title: Modern Technologies for Geospatial Data Collection: Their Role in

Environmental Impact Assessment. Nov-2013.

18. Invited Presentation by the Police of Sudan: Computation and Communication

Directorate. Presentation Title: Use of GIS in Police’s Work. Sep-2013.

19. Invited presentation by DAL Group. Presentation Title: Modern Technologies for

Geospatial Data Collection. Sep-2013.

20. Invited Presentation by Kenana Sugar Company (KETS). Presentation Title: Use of

Photogrammetry, Remote Sensing, and GIS in Agricultural Projects. Sep-2013.

21. presentation by DAL Group. Presentation Title: Use of Spatial Analysis and Data Mining

for Business Intelligence. July-2013.

22. Invited presentation by the Ministry of Petroleum and Minerals of Saudi Arabia.

Presentation Title: Use of Remote Sensing and GIS for Minerals Exploration.

May-2013.

3. Invited presentation by the University of Medical Sciences and Technology (Sudan).

Presentation Title: The Business Aspects of GIS. April-2013.

4. Presentation by the Police of Sudan. Presentation Title: Use of GIS and Computational

Statistics in Decision Support for Drugs Fighting. March-2013

5. Invited presentation by the Egyptian Association of Mining. Presentation Tile: Use of

Remote Sensing for Minerals and Ground Water Explorations. Feb-2013.

6. Invited presentation by DAL Group. Presentation Title: Use of GIS in Logistics Planning.

January-2013.

7. Invited presentation by Zain, Sudan. Presentation Title: Automatic Image Retrieval for

Billboards Management. January-2013.

8. Invited presentation by The Nile Basin Initiative (Juba-Southern Sudan). Presentation

Title: Use of Remote Sensing & GIS for Ground Water Exploration. December-2012.

9. Invited presentation by The Nile Basin Initiative (Khartoum-Sudan). Presentation Title:

Use of Lineaments, Remote Sensing, & GIS for Ground Water Exploration. Sep-2012.

10. Invited presentation by DAL Group. Presentation Title: Use of Remote Sensing & GIS in

Agriculture. May-2011.

11. Invited Presentation by Kenana Sugar Company at White Nile State. Presentation Title:

Use of GPS and GIS in Precision Farming. June-2010.

12. Invited presentation by the Sudan Survey Corporation. Presentation Title: Use of Low

Cost Digital Cameras for Photogrammetric Mapping. August-2009.

13. Invited presentation by National Information Center (NIC-Sudan). Presentation Title:

Principles of GIS Project Management. July-2008

14. Guest speaker at The Ohio State University, Columbus, Department of Civil Engineering

and Geodetic Sciences. Presentation title: New Advances in the Mathematics of

Photogrammetry: Autonomous Initialization of Exterior Orientation Parameters using a

Collinearity Search-Based Solution. May-2008.

15. Guest speaker at Florida International University, Miami. Presentation title: Autonomous

Alignment of Geospatial Data: Image-to-Image, Vector-to-Image, and Vector-to-Vector.

March-2008.

16. Guest speaker at Florida Surveying and Mapping Society–FSMS (Broward chapter).

Presentation title: 3D Modeling Using Photogrammetry and Laser Scanning Feb. 2008.

17. Guest speaker at University of Texas at Dallas. Presentation title: Autonomous

Alignment of Geospatial Data: Image-to-Image, Vector-to-Image, and Vector-to-Vector.

Feb-2008.

18. Guest speaker at Florida Surveying and Mapping Society–FSMS (Naples, Florida).

Presentation title: The Geomatics Program at University of Florida. December-2007.

19. Guest speaker at University of Texas at Dallas. Presentation title: Photogrammetry: State-

of-the-art. August-2007.

20. Guest speaker at IFAS Tropical Research Center (Homestead, Florida). Presentation

Title: Scale-Space Mutual Information Textural Pattern Characterization. August-2007.

21. Invited presentation by Sudan University of Technology and Science. Presentation Tile:

Introduction to Modern Photogrammetry. July-2007.

22. Invited presentation by the Dams Implementation Unit (DIU-Suan). Presentation Title:

Use of Lidar in Topographic Mapping. July-2007.

23. Invited presentation and paper in The Second User Conference of Visual Learning

Systems, Inc (The developer of Feature Analyst). Presentation Title: Autonomous

Conflation of Vector Data and High Resolution Imagery Using Linear Features,

Missoula, Montana September-2005.

24. Invited presentation and paper by The National Institute of Health (NIH), Human

Developmental Anatomy Center. Presentation Title: Autonomous Registration of Human

Embryo Images Using Geometrically Invariant-information & Parameter Space

Clustering (GIPSC), Washington DC, USA, July-2005.

25. Invited presentation and paper in The First User Conference of Visual Learning Systems,

Inc (The developer of Feature Analyst). Presentation Title: Autonomous Conflation of

Vector Data and Low Resolution Imagery Using Point Features, Missoula, Montana

September-2004.

26. Invited paper by the Society of Manufacturing Engineers on the Camera Calibration from

linear models. Dearborn, Michigan, USA, Feb. 2003.

27. Invited by the American Society of Photogrammetry and Remote Sensing to give a

presentation in the camera calibration panel on the Calibration of Digital Cameras.

Washington DC, USA, June- 2000.

Short Courses

1-Advances in Geospatial Information Technologies. Khartoum-Sudan. January-2007.

2-Lidar Mapping Technologies. Khartoum-Sudan. July-2007.

3- GIS Project Management. Khartoum-Sudan. August-2008.

4-GIS Project Management. Riyadh-Saudi Arabia. August-2008.

5-GIS Implementation Using ArcGIS. August-2009.

6-GIS Implementation Using ArcGIS. February-2010.

7-Advanced GIS. May-2010.

8-MATLAB Programming With Applications In Digital Image Processing, July-2010.

9-Advances in Geospatial Technologies. Ministry of Minerals of Sudan. March-2010.

10-Fundamentals of GIS: Census Bureau of Sudan. June-2013.

11-GPS Vehicle Tracking. Ministry of Planning- Khartoum State. Sep-2013.

12-RTK-GPS for Geodetic Measurement. Ministry of Planning- Khartoum State.

Nov-2013.

Patent

Gamal Seedahmed, Lou Martucci, & Peter Doucette (2005). Automated Alignment of Spatial

Data Sets Using Geometrically Invariant-information & Parameter Space Clustering (GIPSC).

http://www.wipo.int/pctdb/en/wo.jsp?wo=2006105465 (pending). This patent developed a

new technology for automatic registration of satellite imagery as well as vector data.

Honors & Awards

1. EH Thompson Award for Photogrammetry. British Society of Remote Sensing & Photogrammetry. 2009.

http://dl.dropboxusercontent.com/u/42208046/EHT%20award%20Recipients.pdf

2. Duane Brown Senior Award for Photogrammetry. The Ohio State University (Nov-2007). 3. Mentors Award. US Department of Energy. (August-2006). 4. Mentors Award. US Department of Energy. (August-2005). 5. Outstanding Performance. Pacific Northwest National Lab. (May-12th-2005). 6. Duane Brown Junior Award for Photogrammetry. The Ohio State University (Nov-2004). 7. Outstanding Performance. Pacific Northwest National Lab. (Nov-2004). 8. Graduate Professional Award to present a paper. The Ohio State University, (2001). 9. Graduate Professional Award to present a paper. The Ohio State University, (2000). 10. The Best Final Year Student. University of Khartoum, Sudan, (1993). 11. Best Performance. University of Khartoum, Sudan, (1992).

Practical Professional Experience

Use of Remote Sensing and GIS for Minerals Exploration.

Use of Remote Sensing and GIS For Ground Water Exploration.

Use of Remote Sensing and GIS for roads design.

Use of Close-Range Photogrammetry for 3D Points Cloud Generation.

Use of GIS for logistics planning.

GPS-based Geodetic Network Design and Implementation.

Use of RTK-GPS for bridge monitoring.

Use of RTK-GPS for trenches and boreholes planning.

Use of Laser technologies to measure and evaluate buildings settlements,

Digital photogrammetric Mapping.

GIS solutions and applications development.

Aerial triangulation, DEM, & orthophotos generations from satellite and aerial imagery.

Development and implementation of Low Cost Digital Aerial Mapping Systems.

Applications of photogrammetry in natural resources mapping and management.

Geometric calibration of digital cameras and satellite sensors.

Design and implementation of Mobile Mapping Systems.

Video-based mapping and motion detection.

Digital Video Mapping for Billboards Management and Patrolling.

Digital Video Mapping for Roads Management & Cracks Identification & Classification.

Applications of photogrammetry in traffic and ship monitoring.

Development of photogrammetric solutions for security and defense applications.

Development of photogrammetric solutions for flood monitoring & risk evaluation.

Remote sensing data processing and algorithms development.

Professional Projects In Sudan

Supervision and implementation of Remote Sensing and GIS Mapping for Gold Mining in

different parts of Sudan (more than 100,000 sq km in different parts of Sudan).

Supervision and implementation of RTK-GPS Topographic survey for Tokar Delta

Agricultural Project (172,000 Feddans).

Supervision and implementation of RTK-GPS Topographic survey for the Agricultural

Projects of Kajbar Dam (140,000 Feddans).

Supervision and implementation of RTK-GPS Topographic survey for El-Gaily-Shendi-

Atbara road (270 km).

Supervision and implementation of RTK-GPS Topographic survey for Water Harvesting

(East of Sudan).

Supervision and implementation of Hydrologic survey for El-Gaily-Shendi-Atbara road

(270 km).

Supervision and implementation of close Range Photogrammetric Mapping For Road

Inventory Survey in South Kordofan (230 km).

Supervision and implementation of Remote Sensing Mapping of Khartoum State (4000

sq km).

Supervision and implementation of Remote Sensing Mapping of Al Gazeera State (1200

sq km).

Bridge Monitoring & Evaluation Experience In Sudan

Tuti bridge using RTK-GPS.

Blue Nile bridge using RTK-GPS.

A short span bridge for Sudan Railways Corporation for static & dynamic loading tests.

Research Projects at The Pacific Northwest National Lab

(PNNL)

Automatic Alignment of GIS Vector Data and High-Resolution Satellite Imagery.

Funded by The Topographic Engineering Center. This is a three phase project. Phase#1

$120,000 (Nov-2006), Phase#2 $750,000 (2007), and Phase#3 $500,000 (2008). We are

teaming with Central Washington University. (Co-PI).

Integration of Multi-Tension Permeametry and Photogrammetric Textural Segmentation

for Estimating Directional Permeability, funded by a consortium of [SERDP]. (October-

2004 to October-2006). ($525,000). (Co-Investigator: Leading the photogrammetry

work). The project is collaboration between the PNNL and the US Navy.

An Automated Tool for Conflation of Geospatial Data. Funded by Battelle, Independent

Research & Development (IR&D), (Sep-2004 to Sep-2005), $50,000, (PI).

Image-Based Vehicle Recognition & License Plate Identification: A Preliminary Study.

Funded by PNNL (May-July 2005), ($20,000). (Co-PI).

Fusion of Text and Images for Vehicle Identification and Recognition. Funded by PNNL,

Lab. Directed Research & Development (LDRD), (Sep-2004 to Sep-2005). $180,000.

(Co-Investigator: Image Analysis). Parts of my Ph.D findings were applied very

successfully in this project. In particular, we used my automated conic extraction and

fitting algorithms for the wheel hub identification and measurement. In addition, I

developed a color estimation algorithm based on the notion of the dominant color.

Emerging Architecture and Technologies for Data Intensive Computing: Applications to

Geospatial Data Analysis. Funded by PNNL, Computational Science Initiative.

($80,000). (2004-2005). (Co-Investigator). In this project, I’m responsible of image

sequences analysis generated from video streams.

Scale-Space Mutual Information for Textural Patterns Characterization. Funded by the

PNNL Hydrology Group (The DOE office of Science) (2005-2006). ($50,000). (Co-PI).

Autonomous Registration of Satellite Images to Site Models, funded by (NGA), (March-

2003 to May-31st-2005). ($666,000). (Principal Investigator and Technical Leader).

GIPSC is the methodology of registration.

A Pilot Study to Understand the Vector-to-Image Conflation Problems of The

Topographic Engineering Center, (April-to-May 2005), ($8,000), (PI). This pilot study

led to the development of an approach that would address the conflation problems faced

by the The Topographic Engineering Center.

Determination of Soil Anisotropy from Close Range Digital images. Funded by the office

of science, US Dept. of Energy (2003-2004). ($25,000). (Co-PI).

Extraction of Soil Features from Infrared Images. Funded by the office of science, US

Dept. of Energy (2003-2004). ($30,000). (Co-PI).

Demonstration of GIPSC in Medical Image Registration. Funded by The Environmental

Molecular Science Lab, PNNL (2003). (PI) ($10,000). Through this pilot project we

established the connection with the National Institute of Health (NIH). Right now we are

pursuing and an opportunity with the NIH in automated medical image registration.

Demonstration of GIPSC in the Registration of Close Range Soil Images. Funded by the

office of science, US Dept. of Energy (2003). ($30,000). (Co-PI).

Design of a Portable Close Range Photogrammetric Measurement Unit for Coal Mining

Applications. (2002-2003). Principal Investigator. Funded by US Dept. of Energy.

($50,000). (PI).

Low Altitude Digital Terrain Elevation Data (DTED) Generation for the Nuclear Site

Monitoring Using off-the-shelf Digital Camera. Funded by the PNNL Hydrology Group

through the DOE Office of Science, (2004-2005). ($50,000). (Co-PI). The findings of this

project led the US Dept. of Energy to select the PNNL as the main Lab for

photogrammetric applications to monitor its Nuclear Barrier Sites.

Texture-Based Characterization of Canopies Areas Using High Resolution Satellite

imagery. A Preliminary Investigation Funded by the Ecology Group at PNNL (October-

to-November-2004). ($10,000).

Texture-Based Soil Classification Using Close Range Visible-Imagery. Funded by the

Hydrology Group at PNNL. (2002-2003). Co-PI ($50,000).

Automatic Image Registration: Framework and Tool Design. Sole Principal Investigator

and Technical Leader, funded by The US. DOE, (2001-2002). ($230,000). The initial

framework of GIPSC is developed under this project (PI). This was my first funded

project at the PNNL.

Development of a semi-automated point feature algorithm for building measurements.

Funded by the PNNL (2001-2002) (PI). ($15,000)

Publications

1. Seedahmed G. and A. Ward (2014). Pixel Vernier: A General Image-Based Approach For Particle Size Distribution Estimation. University of Khartoum Engineering Journal, Vol. 4(2):pp: 48-57.

2. Seedahmed G. (2013). Relative Orientation of Stereo-Pair Using 2D Projective Singular Correlation: Applications on Video Images and Scanned-Aerial Photographs. University of Khartoum Engineering Journal, Vol. 3(2):pp: 12-23.

3. Seedahmed G. (2013). Automatic Matching of Close-Range Video Images. University of Khartoum Engineering Journal, Vol. 3(2):pp: 1-11.

4. Boris Kovalerchuk ; Peter Doucette; Gamal Seedahmed; Jerry Tagestad; Sergei Kovalerchu (2011). Map Snap system to perform vector-to-raster fusion”, Proc. SPIE 8053, Geospatial InfoFusion Systems and Solutions for Defense and Security Applications, 805306 (May 16, 2011).

5. Benjamin E. Wilkinson, Ahmed H. Mohamed, Bon A. Dewitt, and Gamal H. Seedahmed. (2010). A Novel Approach to Terrestrial Lidar Georeferencing. Photogrammetric Engineering & Remote Sensing. Vol 76(6): 683-693.

6. Seedahmed G. (2008). Autonomous Initialisation of Exterior Orientation Parameters using a Collinearity Search-Based Solution. The Photogrammetric Record, 23(121): 90-108.

7. Kovalerchuk, Boris; Doucette, Peter; Seedahmed, Gamal; Brigantic, Robert; Kovalerchuk, Michael; Graff, Brian. Automated Vector-to-Raster Image Registration. Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XIV. Edited by Shen, Sylvia S.; Lewis, Paul E. Proceedings of the SPIE, Volume 6966, article id. 69660W, 12 pp. (2008).

8. Doucette, P., Kovalerchuk, B., Brigantic, R., Seedahmed, G., and Graff, B. 2007. A methodology for automated vector-to-image registration. In Proceedings of 36th Applied Imagery Pattern Recognition Workshop, 10–12 October 2007, Washington D.C., USA. Edited by B. Werner. IEEE Computer Society Conference Publishing Services, Washington D.C. pp. 9–14.

9. Seedahmed G. (2006). Direct Retrieval of Exterior Orientation Parameters Using A 2-D Projective Transformation. The Photogrammetric Record, 21(115): 211-231.

10. Seedahmed G. (2006). Book Review- Digital Terrain Modeling: Principles and Methodology. ISPRS Highlight. Vol 11, No. 2.

11. Patrick, P., Hohimer, R., Doucette, P., Harvey, W., Seedahmed, G., Petrie, G., and Martucci, L., 2006. A Methodology for Integrating Images and Texts for Object Identification. ASPRS Annual Conference, Reno, Nevada, May 1-5, 2006, 9 pages.

12. Seedahmed G. and A. Ward. (2005). Scale-Space Mutual Information for Textural-Patterns Characterization. Published in the 8th Conference of The International Association of Science and Technology for Development (IASTED) on Computer Graphics & Imaging. August 15-17-2005, Honolulu, Hawaii, USA. 6 pages. (Peer-Reviewed Paper).

13. Seedahmed G. and L. Martucci, (2004). Autonomous Conflation of Vector-to-Image. Proceedings of the First User Conference of Visual Learning Systems, Missoula, Montana September-15th-2004. 6 pages.

14. Seedahmed G. (2004). On The Suitability Of Conic Section In A Single-Photo Resection, Camera Calibration, and Photogrammetric Triangulation. Ph.D Dissertation, Dept. of Civil & Environmental Engineering & Geodetic Science, The Ohio State University, Columbus, Ohio, USA, 138 p.

15. Seedahmed G. and T. Schenk, (2003). Retrieval of the Calibration Matrix from the 3-D Projective Camera Model. (Invited paper). Published by the Society of Manufacturing Engineers (SME) as technical paper.

16. Seedahmed G. and L. Martucci, (2002). Automated Image Registration Using Geometrically Invariant Parameter Space Clustering (GIPSC). In the Archives of the International Society of Photogrammetry and Remote Sensing, Commission III, Symposium 2002, Photogrammetric Computer Vision, September 9-13, 2002, Graz, Austria. (Peer-Reviewed Paper).

17. Seedahmed G. (2002). Image Registration Scheme Using Hough Transform. In: The Annual Report of Pacific Northwest national Lab, Prepared for the US Dept. of Energy (DOE), Richland/WA: 418-420.

18. Seedahmed G. and A. Habib, (2002). Two New Algorithms to Retrieve the Calibration Matrix from the 3-D Projective Camera Model. In the Archives of the International Society of Photogrammetry and Remote Sensing, Commission III, Symposium 2002, Photogrammetric Computer Vision, September 9-13, 2002, Graz, Austria, (Peer-Reviewed Paper).

19. Seedahmed G. and A. Habib, (2002). Linear Recovery of the Exterior Orientation Parameters in a Planar Object Space. In the Archives of the International Society of Photogrammetry and Remote Sensing, Commission III, Symposium 2002, Photogrammetric Computer Vision, September 9-13, 2002, Graz, Austria, (Peer-Reviewed Paper).

20. Seedahmed G. and T. Schenk, (2002). Retrieval of the Calibration Matrix from the 3-D Projective Camera Model. The 15th International Conference on Vision Interface. May 27-29, 2002, pp. 282-287, Calgary, Canada. (Peer-Reviewed Paper).

21. Seedahmed G. and T. Schenk, (2002). A Linear Approach to a Single-Photo Resection in a Planar Object Space. XXII FIG International Congress, April 19-26, 2002, Washington, DC, USA.

22. Seedahmed G. and T. Schenk, (2001). Direct Linear Transformation in the Context of Different Scaling Criteria. In Proc. ASPRS. Ann. Convention, St. Louis, USA.

23. Seedahmed G. and T. Schenk, (2001). Comparative Study of two Approaches of Deriving the Camera Parameters from Direct Linear Transformation. In Proc. ASPRS. Ann. Convention, St. Louis, USA.

24. Seedahmed G. and T. Schenk, (2000). Model-Based Autonomous Interior Orientation. In ISPRS Intern. Archives, vol. 33 part 3/2, pp. 823-830, Amsterdam, The Netherlands.

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