Resume of Dr. V.A. (Valentyn) Tolpekin

Background

Valentyn A. Tolpekin (1975) received his MSc degree in theoretical physics from Odessa State University, Odessa, Ukraine. He obtained a PhD in 2004 at the University of Twente in physics. He is currently an Assistant Professor at the Department of Earth Observation Science, ITC. His research interests focus on mathematical and statistical tools for satellite image analysis, including Markov Random Fields, super-resolution mapping, Support Vector Machines.

Activities in education

Image analysis: classification, segmentation
Radar image analysis
Radar interferometry

Activities in research

My main research fields are contextual image analysis, including Markov Random Fields and issue of scale in image analysis.

Publications

ISI Journal Articles

Yaseen, M., Hamm, N.A.S., Tolpekin, V.A. and Stein, A. (2013) Anisotropic kriging to derive missing coseismic displacement values obtained from synthetic aperture radar images. In: Journal of applied remote sensing, 7 (2013)art. 073580, 19 p. Full text | Full text

Yaseen, M., Hamm, N.A.S., Woldai, T., Tolpekin, V.A. and Stein, A. (2013) Local interpolation of coseismic displacements measured by InSAR. In: International Journal of Applied Earth Observation and Geoinformation : JAG, 23 (2013) pp. 1-17. Full text | Full text

Hiremath, S., Tolpekin, V.A., van der Heijden, G. and Stein, A. (2013) Segmentation of Rumex obtusifolius using Gaussian Markov random fields. In: Machine Vision and Applications, 24(2013)4, pp. 845-854. Full text | Full text

Dutta, R., Smaling, E.M.A., Bhagat, R.M., Tolpekin, V.A. and Stein, A. (2012) Analysis of factors that determine tea productivity in Northeastern India : a combined statistical and modelling approach. In: Experimental Agriculture, 48(2012)1, pp. 64-84. Full text | Full text

Mustafa, Y.T., Tolpekin, V.A. and Stein, A. (2012) Application of the expectation maximization algorithm to estimate missing values in Gaussian Bayesian network modeling for forest growth. In: IEEE Transactions on geoscience and remote sensing, 50 (2012)5 pp. 1821-1831. Full text | Full text

Ardila Lopez, J.P., Bijker, W., Tolpekin, V.A. and Stein, A. (2012) Context - sensitive extraction of tree crown objects in urban areas using VHR satellite images. In: International Journal of Applied Earth Observation and Geoinformation : JAG, 15 (2012) pp. 57-69. Full text | Full text

Mustafa, Y.T., Stein, A., Tolpekin, V.A. and van Laake, P.E. (2012) Improving forest growth estimates using a Bayesian network approach. In: PE&RS = Photogrammetric Engineering and Remote Sensing, 78 (2012)1 pp. 45-51. Full text

Ardila Lopez, J.P., Bijker, W., Tolpekin, V.A. and Stein, A. (2012) Multitemporal change detection of urban trees using localized region - based active contours in VHR images. In: Remote sensing of environment, 124 (2012) pp. 413-426. Full text | Full text

Ardila Lopez, J.P., Bijker, W., Tolpekin, V.A. and Stein, A. (2012) Quantification of crown changes and change uncertainty of trees in an urban environment. In: ISPRS Journal of Photogrammetry and Remote Sensing, 74 (2012) pp. 41-55. Full text | Full text

Goudarzi, M.A., Woldai, T. and Tolpekin, V.A. (2012) Response to comments raised on "Surface deformation caused by April 6th 2009 earthquake in L'Aquila, Italy : a comparative analysis from ENVISAT ASAR, ALOS PALSAR and ASTER" by Chini Marco, Bignami Christian and Salvatore Stramondo. In: International Journal of Applied Earth Observation and Geoinformation : JAG, 18 (2012) pp. 582-583. Full text | Full text

Ardila Lopez, J.P., Tolpekin, V.A., Bijker, W. and Stein, A. (2011) Markov - random - field - based super - resolution mapping for identification of urban trees in VHR images. In: ISPRS Journal of Photogrammetry and Remote Sensing, 66 (2011)6 pp. 762-775. Full text | Full text

Goudarzi, M.A., Woldai, T. and Tolpekin, V.A. (2011) Surface deformation caused by April 6th 2009 earthquake in L'Aquila, Italy : a comparative analysis from ENVISAT ASAR, ALOS PALSAR and ASTER. In: International Journal of Applied Earth Observation and Geoinformation : JAG, 13 (2011)5 pp. 801-811. Full text | Full text

Ardila Lopez, J.P., Tolpekin, V.A. and Bijker, W. (2010) Angular backscatter variation in L - band ALOS scanSAR images of tropical forest areas. In: IEEE Geoscience and remote sensing letters, 7 (2010)4 pp. 821-825. Full text | Full text

Farifteh, J., Tolpekin, V.A., van der Meer, F.D. and ... [et al.] (2010) Salinity modelling by inverted Gaussian parameters of soil reflectance spectra. In: International journal of remote sensing, 31 (2010)12 pp. 3195-3210. Full text | Full text

Kandwal, R., Jeganathan, C., Tolpekin, V.A. and Kushwaha, S.P.S. (2009) Discriminating the invasive species, Lantana, using vegetation indices. In: Journal of the Indian society of remote sensing = Photonirvachak, 37 (2009)2 pp. 275–290. Full text | Full text

Tolpekin, V.A. and Stein, A. (2009) Quantification of the effects of land - cover - class spectral separability on the accuracy of Markov - random - field - based superresolution mapping. In: IEEE Transactions on geoscience and remote sensing, 47 (2009)9 pp. 3283-3297. Full text

Arciniegas, G.A., Bijker, W., Kerle, N. and Tolpekin, V.A. (2007) Coherence- and amplitude based analysis of seismogenic damage in Bam, Iran, using ENVISAT ASAR data. In: IEEE Transactions on geoscience and remote sensing, 45 (2007)6 pp. 1571-1581. Full text

Tolpekin, V.A. and ... [et al.] (2004) Aggregation and breakup of colloidal particle aggregates in shear flow, studied with video microscopy. In: Langmuir, 20(2004)7, pp. 2614-2627. Full text | Full text

Tolpekin, V.A. and ... [et al.] (2004) Flow electrification in nonaqueous colloidal suspensions, studied with video microscopy. In: Langmuir, 20(2004)20, pp. 8460-8467. Full text | Full text

Tolpekin, V.A. and ... [et al.] (2003) Stability ratio in binary hard sphere suspensions, measured via time - resolved microscopy. In: Langmuir, 19(2003)10, pp. 4127-4137. Full text | Full text

Koulinskii, V.L., Malomuzh, N.P. and Tolpekin, V.A. (1999) Influence of charge fluctuations on the critical behavior of electrolyte solutions. In: Physical review E, 60(1999)6, pp. 6897-6905. Full text

Book Chapters

Bakx, J.P.G., Janssen, L., Schetselaar, E.M., Tempfli, K. and Tolpekin, V.A. (2012) Image Analysis. In: The core of GIScience : a systems - based approach / ed. by V.A. Tolpekin and A. Stein. Enschede: University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ISBN: 978-90-6164-335-7. (ITC Educational Textbook Series; 2012). pp. 205-225.

Bakx, J.P.G., Tempfli, K., Tolpekin, V.A. and Woldai, T. (2012) Physics. In: The core of GIScience : a systems - based approach / ed. by V.A. Tolpekin and A. Stein. Enschede: University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ISBN: 978-90-6164-335-7. (ITC Educational Textbook Series; 2012). pp. 71-92.

Bakker, W.H., Bakx, J.P.G., Bijker, W., Grabmaier, K.A., Janssen, L., Horn, J.A., Huurneman, G.C., van der Meer, F.D., Pohl, C., Tempfli, K., Tolpekin, V.A. and Woldai, T. (2012) Sensors. In: The core of GIScience : a systems - based approach / ed. by V.A. Tolpekin and A. Stein. Enschede: University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ISBN: 978-90-6164-335-7. (ITC Educational Textbook Series; 2012). pp. 125-166.

Turdukulov, U.D., Kraak, M.J. and Tolpekin, V.A. (2008) Visual exploration ot time series of remote sensing data. In: Advances in spatio - temporal analysis / ed. by Xinming Tang ... [ et al.] London : Springer, 2008. ISBN 978-0-203-93755-6. (ISPRS Book series) pp. 147-154. Full text

Monographs/Edited Books

Tolpekin, V.A. (editor) and Stein, A. (editor) (2012) The core of GIScience : a systems - based approach. Enschede, University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ITC Educational Textbook Series , ISBN: 978-90-6164-335-7.

PhD Theses

Mustafa, Y.T., Stein, A. (Promotor) and Tolpekin, V.A. (assistant promotor) (2012) Improving forest growth estimation : Bayesian networks for integrating satellite images and process - based forest growth models. Enschede, University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ITC Dissertation 202, ISBN: 978-90-6164-327-2. Full text

Ardila Lopez, J.P., Stein, A. (Promotor) , Bijker, W. (assistant promotor) and Tolpekin, V.A. (assistant promotor) (2012) Object - based methods for mapping and monitoring of urban trees with multitemporal image analysis. Enschede, University of Twente Faculty of Geo-Information and Earth Observation (ITC), 2012. ITC Dissertation 209, ISBN: 978-90-6164-333-3. Full text

Tolpekin, V.A., Mellema, J. (Promotor) and Duits, M.H.G. (Promotor) (2004) Structure formation in aggregating colloidal suspensions, studied with real - time CSLM. Enschede, University of Twente, 2004. ISBN: 90-365-2053-3.

Conference Proceedings (full papers)

Kenduiywo, B.K., Tolpekin, V.A. and Stein, A. (2012) Detection of built - up area expansion in ASTER and SAR images using conditional random fields. In: Proceedings of Image and Signal Processing for Remote Sensing XVIII, 24-26 September 2012, Edinburgh / ed. by L. Bruzzone. Washington: SPIE, 2012. ISBN: 978-0-81949-277-7. (Proceedings of SPIE; 8537) Article no. 8537-0N, 19 p. Full text | Full text

Ardila Lopez, J.P., Bijker, W., Tolpekin, V.A. and Stein, A. (2012) Gaussian localized active contours for multitemporal analysis of urban tree crowns. In: Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2012) : Remote sensing for a dynamic earth, 22-27 July 2012, Munich, Germany. ISBN: 978-1-4673-1159-5. pp. 6971-6974. Full text | Full text

Welikanna, D.R., Tamura, M., Tolpekin, V.A., Susaki, J. and Maki, M. (2012) Improving Markov Random Field based Super Resolution Mapping Through FUZZY Parameter Integration. In: ISPRS 2012 Proceedings of the XXII ISPRS Congress : Imaging a Sustainable Future, 25 August - 01 September 2012, Melbourne, Australia. Peer reviewed Annals, Volume I-7, 2012 / ed. by M. Shortis, W. Wagner and J. Hyyppä. ISPRS, 2012. pp. 183-189. Full text | Full text

Mustafa, Y.T., Stein, A. and Tolpekin, V.A. (2011) Improving forest growth estimates using a Bayesian network approach. In: ASPRS 2011 annual conference : ride on the geospatial revolution, Milwaukee, USA, 1-5 May 2011, 9 p. Full text | Full text

Ardila Lopez, J.P., Bijker, W., Tolpekin, V.A. and Stein, A. (2011) Tree crown change detection using an object fuzzy base approach. In: IGARSS 2011 : IEEE International Geoscience and Remote Sensing Symposium Proceedings, 24-29 July 2011, Vancouver, Canada. - [s.l.] : Institute of Electrical and Electronics Engineers (IEEE), 2011, pp. 3035-3038. Full text

Bijker, W., Ardila Lopez, J.P. and Tolpekin, V.A. (2010) Change detection and uncertainty in fuzzy tree crown objects in an urban environment. In: GEOBIA 2010 : geographic object - based image analysis, 29 June-2 July 2010, Ghent, Belgium : proceedings / editor E.A. Addink, F.M.B. Van Coillie. - [s.l.] : International Society for Photogrammetry and Remote Sensing (ISPRS), 2010. - (International Archives of Photogrammetry and Remote Sensing : IAPRS : ISPRS ; XXXVIII-4/C7), 6 p. Full text | Full text

Ardila Lopez, J.P., Tolpekin, V.A. and Bijker, W. (2010) Context - sensitive extraction of tree crown objects in urban areas using VHR satellite images. In: GEOBIA 2010 : geographic object - based image analysis, 29 June-2 July 2010, Ghent, Belgium : proceedings / editor E.A. Addink, F.M.B. Van Coillie. - [s.l.] : International Society for Photogrammetry and Remote Sensing (ISPRS), 2010. - (International Archives of Photogrammetry and Remote Sensing : IAPRS : ISPRS ; XXXVIII-4/C7), 7 p. Full text | Full text

Ardila Lopez, J.P., Tolpekin, V.A. and Bijker, W. (2010) Markov random field based super - resolution mapping for identification of urban trees in VHR images. IGARSS 2010 : Proceedings of IEEE international Geoscience and Remote Sensing Symposium, 25-30 July 2010, Honolulu, USA. ISBN 978-1-4244-9564-1. pp. 1402-1405. Full text | Full text

Tolpekin, V.A., Ardila Lopez, J.P. and Bijker, W. (2010) Super - resolution mapping for extraction of urban tree crown objects from VHR satellite images. In: GEOBIA 2010 : geographic object - based image analysis, 29 June-2 July 2010, Ghent, Belgium : proceedings / editor E.A. Addink, F.M.B. Van Coillie. - [s.l.] : International Society for Photogrammetry and Remote Sensing (ISPRS), 2010. - (International Archives of Photogrammetry and Remote Sensing : IAPRS : ISPRS ; XXXVIII-4/C7), 7 p. Full text | Full text

Stein, A., Tolpekin, V.A. and Spatenkova, O. (2010) The use of statistical point processes in geoinformation analysis. In: Proceedings of the Joint International Conference on Theory, Data Handling and Modelling in GeoSpatial Information Science, 26-28 May 2010, Hongkong, China / ed. by E. Guilbert, B. Lees and Y. Leung (ISPRS : XXXVIII Part 2). 5 p. Full text | Full text

Welikanna, D.R., Tolpekin, V.A. and Kant, Y. (2008) Analysis of the effectiveness of spectral mixture analysis and Markov random field based super resolution mapping over an urban environment. In: ISPRS 2008 : Proceedings of the XXI congress : Silk road for information from imagery : the International Society for Photogrammetry and Remote Sensing, 3-11 July, Beijing, China. Comm. VII, WG VII/4(1). Beijing : ISPRS, 2008. pp. 641-649. Full text | Full text

Tolpekin, V.A. and Stein, A. (2008) Effects of land cover class spectral separability and parameter estimation in super resolution mapping of an ASTER image. In: ACRS 2008 : proceedings of the 29th Asian Conference on Remote Sensing, 10-14 November 2008, Colombo, Sri Lanka. Colombo : Survey Department of Sri Lanka, Asian Association on Remote sensing, 2008. 6 p. Full text

Tolpekin, V.A. and Hamm, N.A.S. (2008) Fuzzy super resolution mapping based on Markov random fields. In: Proceedings of IGARSS 2008 : International Geoscience and Remote Sensing Symposium : Geoscience and remote sensing, the next generation, 6-11 July 2008 Boston, MA, USA. Piscataway : IEEE, 2008. ISBN 978-1-4244-2807-6. pp. II-875 - II-878. Full text

Welikanna, D.R., Tolpekin, V.A. and Kant, Y. (2008) Integrating the advanctages of hyperion image with linear spectral unmixing to detect the urban composition. In: ACRS 2008 : proceedings of the 29th Asian Conference on Remote Sensing, 10-14 November 2008, Colombo, Sri Lanka. Colombo : Survey Department of Sri Lanka, Asian Association on Remote sensing, 2008. 9 p. Full text

Arciniegas, G., Bijker, W., Kerle, N. and Tolpekin, V.A. (2005) Analysis of seismogenic damage in Bam, Iran, using Envisat ASAR data. In: ACRS 2005 : proceedings of the 26th Asian conference on remote sensing, ACRS 2005, 7-11 November 2005, Hanoi, Vietnam. Hanoi : Asian Association on Remote Sensing (AARS), Geoinformatics Center, Asian Institute of Technology, 2005. 10 p. Full text

Turdukulov, U.D., Tolpekin, V.A. and Kraak, M.J. (2005) Visual exploration of time series of remote sensing data. In: ISPRS STM 2005 (ISSTM) : proceedings of the international symposium on spatio-temporal modeling, spatial reasoning, analysis, data mining and fusion, August 27-29 2005, Peking University, China. Vol. XXXVI, part 2/W25. pp. 293-297.

Scientific and Professional Publications

Hamm, N.A.S., Stein, A. and Tolpekin, V.A. (2009) Analyzing the effect of the modifiable areal unit problem in remote sensing : short note. In: Spatial data quality : from process to decisions / ed. by R. Devillers and H. Goodchild. Boca Raton : CRC / Taylor & Francis, 2009. ISBN 978-1-4398-1012-5. pp. 179. Full text

Presentations

Kenduiywo, B.K., Tolpekin, V.A. and Stein, A. (2012) Detection of built - up areas in ASTER and SAR images using conditional random fields : powerpoint. Presented at SPIE Remote Sensing, 24-27 September, Edinburgh, United Kingdom. 13 slides. Full text

Kim, N., Bijker, W. and Tolpekin, V.A. (2011) 2,5D building reconstruction from SAR and optical data using OOA : poster. Presented at TerraSAR-X Science Team Meeting, 14-16 February 2011, Oberpfaffenhofen, Germany. 1 p. Full text

Gurreonero, D., Bijker, W. and Tolpekin, V.A. (2011) Shoreline detection using Terra SAR - X quad polarization mode : poster. Presented at TerraSAR-X Science Team Meeting, 14-16 February 2011, Oberpfaffenhofen, Germany. 1 p. Full text

Ardila Lopez, J.P., Bijker, W. and Tolpekin, V.A. (2009) Contextual information for identification of urban trees : poster. Presented at the 3rd workshop of the EARSeL Special Interest Group on Land Use and Land Cover, 25-27 November 2009, Bonn, Germany. 1 p. Full text

Tolpekin, V.A., Ardila Lopez, J.P., Stephano, M.N. and Bijker, W. (2009) Identification of urban trees in QB images with MRF - based SRM : poster. Presented at the 3rd workshop of the EARSeL Special Interest Group on Land Use and Land Cover, 25-27 November 2009, Bonn, Germany. 1 p. Full text

Tolpekin, V.A., Kassaye, R.H. and Stein, A. (2006) Super resolution mapping from satellite images with Markov random field and simulated annealing : abstract. In: Abstracts of the workshop on modern aspects of remote sensing and geospatial data processing, NRSA - ITC, Hyderabad, India, 24-25 November 2006 / ed by. K.M.M. Rao, A. Stein, P.S. Roy and A.S. Manjunath. Hyderabad : National Remote Sensing Agency (NRSA), 2006. 4 p. Full text

Wijaya, A., Sharifi, M.A. and Tolpekin, V.A. (2005) Integration of remote sensing and expert knowledge to detect illegal logging in the production forest of East Kalimantan, Indonesia : abstract. Presented at the XXII IUFRO world congress, 8-13 August 2005, Brisbane, Australia. 1 p.

Ferwerda, J.G. and Tolpekin, V.A. (2005) Wavelets for feature detection in hyperspectral remote sensing : abstract. In: 4th workshop on imaging spectroscopy : new quality in environmental studies, 27-29 April 2005 Warsaw, Poland : abstract book. / ed. by B. Zagajewski, M. Sobczak and W. Próchnicki. EARSeL, 2005. pp. 111.

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