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Research Output 1990 2019

2019
2 Citations (Scopus)
62 Downloads (Pure)

Delineation of agricultural fields in smallholder farms from satellite images using fully convolutional networks and combinatorial grouping

Persello, C., Tolpekin, V. A., Bergado, J. R. & de By, R. A., 15 Sep 2019, In : Remote sensing of environment. 231, p. 1-18 18 p., 111253.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
small farms
smallholder
Farms
Satellites
farm
22 Downloads (Pure)

Location Privacy in the Wake of the GDPR

Georgiadou, Y., de By, R. A. & Kounadi, O., 22 Mar 2019, In : ISPRS international journal of geo-information. 8, 3, p. 1-17 17 p., 157.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
data protection
Data privacy
privacy
African Union
regulation
8 Downloads (Pure)

On the design of a modern and generic approach to land registration: The Colombia experience

Morales Guarin, J. M., Lemmen, C. H. J., de By, R., Molendijk, M., Oosterbroek, E-P. & Ortiz Davila, A. E., 3 Oct 2019, p. 217-243. 26 p.

Research output: Contribution to conferencePaperAcademic

Open Access
File
Colombia
experience
workflow
community
evidence
2018

A cloud-based multi-temporal ensemble classifier to map smallholder farming systems

Aguilar, R., Zurita-Milla, R., Izquierdo-Verdiguier, E. & de By, R. A., 2018, p. s1-s15. 15 p.

Research output: Contribution to conferenceOtherOther research output

Open Access
6 Citations (Scopus)
127 Downloads (Pure)

A Cloud-Based Multi-Temporal Ensemble Classifier to Map Smallholder Farming Systems

Aguilar, R., Zurita-Milla, R., Izquierdo-Verdiguier, E. & A. De By, R., 2018, In : Remote sensing. 10, 5, 18 p., 729.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
smallholder
farming system
crop
farm
voting
11 Citations (Scopus)
135 Downloads (Pure)

Assessing yield and fertilizer response in heterogeneous smallholder fields with UAVs and satellites

Schut, A. G. T., Traore, P. C. S., Blaes, X. & de By, R. A., 2018, In : Field Crops Research. 221, p. 98-107 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
smallholder
vegetation index
fertilizer
fertilizers
interception
1 Citation (Scopus)
64 Downloads (Pure)

Enabling collaborative GeoVisual analytics: Systems, techniques, and research challenges

García-Chapeton, G. A., Ostermann, F. O., de By, R. A. & Kraak, M. J., 19 Aug 2018, In : Transactions in GIS. 22, 3, p. 640-663 24 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
visual analysis
analysis
pressing

How can Earth Observation support agriculture development in rural areas? EO4SD - Agriculture and Rural Development cluster

Burzykowska, A., Velasco, A., Klaase, A., Huber, S., Geerders, P., Dost, R., Vrielink, A., Haas, E., de By, R. A. & Aparicio, E., Aug 2018, A Better World, Volume 4: Actions and commitments to the Sustainable Development Goals. Tudor Rose, p. 18-23 5 p.

Research output: Chapter in Book/Report/Conference proceedingChapterProfessional

Open Access
land degradation
rural development
rural area
agriculture
population pressure
2017

Analysis of pixel- and object-based classification in smallholder farm fields : abstract.

Izquierdo-Verdiguier, E., Zurita-Milla, R. & de By, R. A., 2017. 1 p.

Research output: Contribution to conferenceAbstractOther research output

Open Access
14 Downloads (Pure)

A Tool to Explore Spectral, Spatial and Temporal Features of Smallholder Crops : powerpoint

de By, R. A., Zurita-Milla, R., Pasha Zadeh M., P. & Calisto, L. F., 27 Sep 2017, p. s1-s22.

Research output: Contribution to conferenceOtherOther research output

Open Access
File
smallholder
crop
farm
vegetation index
fieldwork
6 Citations (Scopus)
50 Downloads (Pure)

A Workflow for Automated Satellite Image Processing: from Raw VHSR Data to Object-Based Spectral Information for Smallholder Agriculture

Stratoulias, D., Tolpekin, V., De By, R., Zurita-milla, R., Retsios, V., Bijker, W., Hasan, M. & Vermote, E., 2017, In : Remote sensing. 9, 10, 20 p., 1048.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
smallholder
image processing
agriculture
sensor
crop

Drones for small-scale agriculture : powerpoint

de By, R. A. & Quiroz, R., 2017.

Research output: Contribution to conferenceOtherOther research output

Open Access
1 Citation (Scopus)

Identifying crops in smallholder farms using time series of WorldView-2 images

Zurita-Milla, R., Izquierdo-Verdiguier, E. & de By, R. A., 2017, 9th International Workshop on the Analysis of Multitemporal Remote Sensing Images (MultiTemp 2017). Piscataway, NJ: IEEE, 3 p.

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

smallholder
farm
time series
crop
spatial resolution
3 Citations (Scopus)

On the use of guided regularized random forests to identify crops in smallholder farm fields.

Izquierdo-Verdiguier, E., Zurita-Milla, R. & de By, R. A., 2017, Proceedings of the 9th International Workshop on the Analysis of Multitemporal Remote Sensing Images (MultiTemp). Piscataway: IEEE, 3 p.

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

The combination of multiple kernel learning and one-class classifier in classifying smallholder cotton fields : abstract.

Zurita-Milla, R., Balasubramanian, K. I., Izquierdo-Verdiguier, E. & de By, R. A., 2017. 1 p.

Research output: Contribution to conferenceAbstractOther research output

Open Access
2016

A library of crop-specific information to support studies in smallholder agriculture : abstract

de By, R. A., Pasha Zadeh Monajjemi, P., Stratoulias, D., Tolpekin, V. A., Bijker, W., Zurita-Milla, R. & Kibet, S., 2016, p. 114-115. 2 p.

Research output: Contribution to conferenceAbstractOther research output

As we zoom in, and as we move from ICT to ICU : powerpoint

de By, R. A., 2016, p. s1-s32. 32 p.

Research output: Contribution to conferenceOtherOther research output

8 Citations (Scopus)
105 Downloads (Pure)

Automated semantic trajectory annotation with indoor point-of-interest visits in urban areas

de Graaff, V., de By, R. A. & van Keulen, M., 4 Apr 2016, SAC'16, Proceedings of the 31st ACM Symposium on Applied Computing, ACM SAC 2016. New York: Association for Computing Machinery (ACM), p. 552-559 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Semantics
Trajectories
Processing
Data mining
Students

Automatic co-registration of very high resolution satellite images of smallholder farms using a 3D tree model : abstract

Tolpekin, V. A., Bijker, W., Zurita-Milla, R., Stratoulias, D. & de By, R. A., 2016, p. 116. 1 p.

Research output: Contribution to conferenceAbstractOther research output

3 Citations (Scopus)

Illegal long-line fishing and albatross extinction risk

Petrossian, G. A., de By, R. A. & Clarke, R. V., 26 Apr 2016, In : Oryx. 52, 2, p. 336-345 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

fishing line
extinction risk
fishing
extinction
fisheries

Lifelong Learning @ ITC, The Netherlands

de By, R. A., 2016.

Research output: Contribution to conferenceOtherOther research output

Open Access

Near-real time information extraction from satellite data in the framework of smallholder farming : abstract

Stratoulias, D., de By, R. A., Zurita-Milla, R., Tolpekin, V. A., Bijker, W. & Kibet, S., 24 Oct 2016, p. 115. 1 p.

Research output: Contribution to conferenceAbstractOther research output

44 Downloads (Pure)

Spatiotemporal information extraction from a historic expedition gazetteer

Bekele, M. K., de By, R. A. & Singh, G., 2016, In : ISPRS international journal of geo-information. 5, 12, 24 p., 221.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
Trajectories
Processing
Information retrieval
Transducers
event

Transforming smallholder farming through remote sensing

Zurita-Milla, R. & de By, R. A., 2016, In : ICT Update : a current awareness bulletin for ACP agriculture. 82, p. 18-19 2 p.

Research output: Contribution to journalArticleAcademic

Use of crowd-sourced data to map smallholder fields in Africa : abstract

Kibet, S., Zurita-Milla, R., de By, R. A., Stratoulias, D., Bijker, W., Tolpekin, V. A., Soloviov, O., Blaes, X. & Traore, P. S., 24 Oct 2016, p. 116-117. 2 p.

Research output: Contribution to conferenceAbstractOther research output

Use of directional texture measures for identification of mixed cropping in Kofa, Nigeria : abstract

Bijker, W., Tolpekin, V. A., Stratoulias, D., Kibet, S., de By, R. A. & Zurita-Milla, R., 24 Oct 2016, p. 117. 1 p.

Research output: Contribution to conferenceAbstractOther research output

Using a rich set of spatial and spectral features to map smallholder farms : abstract

Zurita-Milla, R., Izquierdo-Verdiguier, E., Stratoulias, D., Tolpekin, V. A., Bijker, W. & de By, R. A., 24 Oct 2016, p. 118. 1 p.

Research output: Contribution to conferenceAbstractOther research output

1 Citation (Scopus)

Yield mapping for different crops in Sudano-Sahelian smallholder farming systems : results based on metric Worldview and decametric SPOT-5 Take5 time series

Blaes, X., Lambert, M-J., Chomé, G., Traore, P. S., de By, R. A. & Defourny, P., 9 May 2016, Proceedings of ESA Living Planet Symposium 2016. ESA, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2015
1 Citation (Scopus)
10 Downloads (Pure)

Generic knowledge-based analysis of social media for recommendations

de Graaff, V., van de Venis, A., van Keulen, M. & de By, R. A., 20 Sep 2015, CBRecSys 2015, New Trends on Content-Based Recommender Systems: Proceedings of the 2nd Workshop on New Trends on Content-Based Recommender Systems co-located with 9th ACM Conference on Recommender Systems (RecSys 2015). Bogers, T. & Koolen, M. (eds.). New York: CEUR, p. 22-29 8 p. (CEUR Workshop Proceedings; vol. 1448).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Recommender systems
Semantics
246 Downloads (Pure)

Geosocial Recommender Systems

de Graaff, V., 10 Dec 2015, Enschede, The Netherlands: Universiteit Twente. 142 p.

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

File

Spatial Extent Models for Natural Language Phrases Involving Directional Containment

Singh, G. & de By, R. A., 2015, In : Transactions in GIS. 19, 2, p. 202-224 23 p.

Research output: Contribution to journalArticleAcademicpeer-review

containment
evaluation
parameter
recommendation
62 Downloads (Pure)

Spatiotemporal Behavior Profiling: A Treasure Hunt Case Study

de Graaff, V., Pfoser, D., van Keulen, M. & de By, R. A., 21 May 2015, Web and Wireless Geographical Information Systems: 14th International Symposium, W2GIS 2015, Grenoble, France, May 21-22, 2015, Proceedings. Gensel, J. & Tomko, M. (eds.). Berlin: Springer, p. 143-158 16 p. (Lecture Notes in Computer Science; vol. 9080).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Trajectories
Students
Inspection
Semantics

STARS : From rich remote sensing data to farmer - relevant information : powerpoint

de By, R. A. & Zurita-Milla, R., 2015, p. s1-s52. 52 p.

Research output: Contribution to conferenceOtherOther research output

STARS : Monitoring smallholder farming in sub - Saharan Africa and South Asia from an UAV perspective : poster

de By, R. A., Zurita-Milla, R., Stratoulias, D., Bijker, W., Tolpekin, V. A., Traore, P. C. S., Schulthess, U., Dempewolf, J., Becker-Reshef, I. & Blaes, X., 14 Apr 2015. 1 p.

Research output: Contribution to conferencePosterOther research output

STARS : Project overview : spurring an transformation for agriculture through remote sensing : powerpoint

de By, R. A., 21 Sep 2015, p. s1-s16. 16 p.

Research output: Contribution to conferenceOtherOther research output

STARS : Rich remote sensing data for tropical smallholder farming : powerpoint

de By, R. A. & Zurita-Milla, R., 20 Apr 2015, p. s1-s52. 52 p.

Research output: Contribution to conferenceOtherOther research output

STARS project overview

de By, R. A., 14 Sep 2015, Cassava Whitefly Workshop, 14 September 2015, NaCRRI, Namulonge, Uganda. Kampala, p. s1-s18

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

STARS project overview : powerpoint

de By, R. A., 2015, p. 1s-22s. 22 p.

Research output: Contribution to conferenceOtherOther research output

The potential of very high spatial remote sensing in smallholder agriculture

Stratoulias, D., de By, R. A., Zurita-Milla, R., Bijker, W., Tolpekin, V. A., Schulthess, U. & Ahmed, Z. U., 19 Oct 2015, Proceedings of ACRS 2015 : the 36th Asian conference on remote sensing: fostering resilient growth in Asia. Pathumthani: Asian Association on Remote Sensing, 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)

The potential of very high spatial resolution remote sensing in applications in smallholder agriculture

Stratoulias, D., De By, R. A., Zurita-Milla, R., Bijker, W., Tolpekin, V., Schulthess, U. & Ahmed, Z. U., 1 Jan 2015. 7 p.

Research output: Contribution to conferencePaperAcademicpeer-review

Agriculture
Crops
Remote sensing
Unmanned aerial vehicles (UAV)
Satellites

The STARS project : powerpoint

de By, R. A., 2015, p. 1s-18s. 18 p.

Research output: Contribution to conferenceOtherOther research output

2014
4 Citations (Scopus)

A geo-information system approach for forest fire likelihood based on causative and anti - causative factors

Srivastava, S. K., Saran, S., de By, R. A. & Dadhwal, V. K., 14 Jan 2014, In : International journal of geographical information science. 28, 3, p. 427-454 28 p.

Research output: Contribution to journalArticleAcademicpeer-review

forest fire
information system
Fires
Information systems
poaching

Cyber-applications as gateway to data-rich digital earth systems

Morales, J. A. & de By, R. A., 14 Jan 2014, In : International journal of digital earth. 7, 7, p. 576-593 18 p.

Research output: Contribution to journalArticleAcademicpeer-review

Earth (planet)
nongovernmental organization
engine
planet
industry
2 Citations (Scopus)

Digital earth applications in the twenty-first century

de By, R. A. & Georgiadou, P. Y., 14 Jan 2014, In : International journal of digital earth. 7, 7, p. 511-515 5 p.

Research output: Contribution to journalArticleAcademicpeer-review

twenty first century
Earth (planet)
private sector
Ecosystems
Information technology

From location description to map : understanding VGI from the past

Singh, G., 5 Jun 2014, 249 ed. Enschede: University of Twente, Faculty of Geo-Information Science and Earth Observation (ITC). 144 p.

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

Open Access

STARS : Aardobservatie ten dienste van kleinschalige landbouw in Afrika en Azië : powerpoint

de By, R. A., 2014, p. s1-s24. 24 p.

Research output: Contribution to conferenceOtherOther research output

STARS : Remote sensing in support of farmer-to-fork for Africa and Asia : powerpoint

de By, R. A., 2014, p. s1-s17. 17 p.

Research output: Contribution to conferenceOtherOther research output

Studying at ITC to kick - start an international career

de By, R. A., Veldkamp, A. & Kheladze, N., 2014, In : ARC news. 35, 4, p. 16-17 2 p.

Research output: Contribution to journalArticleAcademic