Publications
See Google Scholar for additional details.
* denotes equal contribution
Severe decline in large farmland trees in India over the past decade
Martin Brandt*, Dimitri Gominski*, Florian Reiner*, Ankit Kariryaa, Venkanna Babu Guthula, Philippe Ciais, Xiaoye Tong, Wenmin Zhang, Dhanapal Govindarajulu, Daniel Ortiz-Gonzalo, and Rasmus Fensholt.
Nature Sustainability 7, 860–868 (2024)
Link | PDF
MMEarth: Exploring multi-modal pretext tasks for geospatial representation learning Vishal Nedungadi, Ankit Kariryaa, Stefan Oehmcke, Serge Belongie, Christian Igel, Nico Lang.
European Conference on Computer Vision (ECCV) (2024)
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Mapping every adult baobab (Adansonia digitata L.) across the Sahel and relationships to rural livelihoods Ke Huang, Martin Brandt, Pierre Hiernaux, Compton J Tucker, Laura Vang Rasmussen, Florian Reiner, Sizhuo Li, Ankit Kariryaa, Maurice Mugabowindekwe, Bowy den Braber, Jennifer Small, Scott Sino and Rasmus Fensholt.
Nature Ecology Evolution (2024)
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Global mapping of human-transformed dike-pond systems Yang Xu, Lian Feng, Hongwei Fang, Xiao-Peng Song, Fabian Gieseke, Ankit Kariryaa, Stefan Oehmcke, Luke Gibson , Xiating Jiang, Ruimin Lin, R. Iestyn Woolway, Chunmiao Zheng, Martin Brandt and Rasmus Fensholt.
Remote Sensing of Environment 313 (2024): 114354
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Trees on smallholder farms and forest restoration are critical for Rwanda to achieve net zero emissions Maurice Mugabowindekwe, Martin Brandt, Athanase Mukuralinda, Philippe Ciais, Florian Reiner, Ankit Kariryaa, Christian Igel, Jérôme Chave, Ole Mertz, Pierre Hiernaux, Xiaoye Tong, Gaspard Rwanyiziri, Dimitri Gominski, Sizhuo Li, Siyu Liu, Ivan Gasangwa, Yves Hategekimana, Alain Ndoli, Jean Nduwamungu, Sassan S Saatchi and Rasmus Fensholt.
Communications Earth & Environment 113, 2662-4435 (2024)
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Sub-continental-scale carbon stocks of individual trees in African drylands
Compton J. Tucker*, Martin Brandt*, Pierre Hiernaux*, Ankit Kariryaa*, Kjeld Rasmussen, Jennifer Small, Christian Igel, Florian Reiner, Katherine Melocik, Jesse Meyer, Scott Sinno, Eric Romero, Erin Glennie, Yasmin Fitts, August Morin, Jorge Pinzon, Devin McClain, Paul Moran, Claire Porter, Shane Loefflet, Laurent Kergoat, Jean-Pierre Wigneron, Benjamin Poulter, Philippe Ciais and Rasmus Fensholt.
Nature 615, 80-86 (2023)
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A consistent assessment of trees inside and outside forests improves estimates of total tree cover in Africa
Florian Reiner, Martin Brandt, Xiaoye Tong, David Skole, Ankit Kariryaa, Philippe Ciais, Andrew Davies, Pierre Hiernaux, Jerome Chave, Maurice Mugabowindekwe, Christian Igel, Stefan Oehmcke, Fabian Gieseke, Sizhuo Li, Siyu Liu, Sassan Saatchi, Peter Boucher, Jenia Singh, Simon Taugourdeau, Morgane Dendoncker, Xiao-Peng Song, Ole Mertz, Compton J. Tucker and Rasmus Fensholt.
Nature Communications 14, 2258 (2023)
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Deep learning enables image-based tree counting, crown segmentation and height prediction at national scale
Sizhuo Li, Martin Brandt, Rasmus Fensholt, Ankit Kariryaa, Christian Igel, Fabian Gieseke, Thomas Nord-Larsen, Stefan Oehmke, Ask Holm-Carlsen, Samuli Junttila, Xiaoye Tong, Alexandre d’Aspremont and Philippe Ciais
PNAS Nexus, pgad076 (2023)
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Detection and mapping of artillery craters with very high spatial resolution satellite imagery and deep learning
Erik C Duncan, Sergii Skakun, Ankit Kariryaa and Alexander V Prishchepov
Science of Remote Sensing 7-100092 (2023)
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Nation-wide mapping of tree level carbon stocks in Rwanda
Maurice Mugabowindekwe, Martin Brandt, Jerome Chave, Florian Reiner, David Skole, Ankit Kariryaa, Christian Igel, Pierre Hiernaux, Philippe Ciais, Ole Mertz, Xiaoye Tong, Sizhuo Li, Gaspard Rwanyiziri, Thaulin Dushimiyimana, Alain Ndoli, Valens Uwizeyimana, Jens-Peter Lillesø, Fabian Gieseke, Compton Tucker, Sassan S Saatchi and Rasmus Fensholt.
Nature Climate Change (2022)
Link | PDF | Code
Allometric Equations to Estimate the Dry Mass of Sahel Woody Plants from Very-High Resolution Satellite Imagery
Pierre Hiernaux, Bil-Assanou Hassane Issoufou, Christian Igel, Ankit Kariryaa, Moussa Kourouma, Jérôme Chave, Eric Mougin and Patrice Savadogo.
Forest Ecology and Management (2022)
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Free as a Bird, but at What Cost? The Impact of Street Networks on the User Experience of As-The-Crow-Flies Navigation for Cyclists
Gian-Luca Savino, Ankit Kariryaa and Johannes Schöning.
MobileHCI 2022: Proceedings of the International Conference on Human-Computer Interaction with Mobile Devices and Service (2022)
Honorable Mention Award
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Understanding user-belief about the privacy threats of browser extensions
Ankit Kariryaa*, Gian-Luca Savino*, Carolin Stellmacher and Johannes Schöning.
SOUPS 2021: Seventeenth Symposium on Usable Privacy and Security, SOUPS pp. 99-118 (2021)
Link | PDF | Slides
OPTIMADE, an API for exchanging materials data
Casper W. Andersen, Rickard Armiento, Evgeny Blokhin, Gareth J. Conduit, Shyam Dwarak- nath, Matthew L. Evans, Ádám Fekete, Abhijith Gopakumar, Saulius Gražulis, Andrius Merkys, Fawzi Mohamed, Corey Oses, Giovanni Pizzi, Gian-Marco Rignanese, Markus Schei- dgen, Leopold Talirz, Cormac Toher, Donald Winston, Rossella Aversa, Kamal Choudhary, Pauline Colinet, Stefano Curtarolo, Davide Di Stefano, Claudia Draxl, Suleyman Er, Marco Esters, Marco Fornari, Matteo Giantomassi, Marco Govoni, Geoffroy Hautier, Vinay Hegde, Matthew K. Horton, Patrick Huck, Georg Huhs, Jens Hummelshøj, Ankit Kariryaa, Boris Kozinsky, Snehal Kumbhar, Mohan Liu, Nicola Marzari, Andrew J. Morris, Arash Mostofi, Kristin A. Persson, Guido Petretto, Thomas Purcell, Francesco Ricci, Frisco Rose, Matthias Scheffler, Daniel Speckhard, Martin Uhrin, Antanas Vaitkus, Pierre Villars, David Waroquiers, Chris Wolverton, Michael Wu and Xiaoyu Yang.
Scientific Data 8, 217 (2021)
Link | PDF | API
An unexpectedly large count of trees in the West African Sahara and Sahel
Martin Brandt, Compton J. Tucker, Ankit Kariryaa, Kjeld Rasmussen, Christin Abel, Jennifer Small, Jerome Chave, Laura Vang Rasmussen, Pierre Hiernaux, Abdoul Aziz Diouf, Laurent Kergoat, Ole Mertz, Christian Igel, Fabian Gieseke, Johannes Schöning, Sizhuo Li, Katherine Melocik, Jesse Meyer, Scott Sinno, Eric Romero, Erin Glennie, Amandine Montagu, Morgane Dendoncker and Rasmus Fensholt.
Nature 587, 78–82 (2020)
Link | Popular Science Commentary | Remarkable Discoveries 2020 | Code
The Role of Flag Emoji in Online Political Communication
Ankit Kariryaa, Simon Rundé, Hendrik Heuer, Andreas Jungherr and Johannes Schöning.
Social Science Computer Review (2020)
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MoiPrivacy: Design and evaluation of a Personal Password Meter
Ankit Kariryaa and Johannes Schöning.
MUM 2020: In the 19th International Conference on Mobile and Ubiquitous Multimedia, pp. 201-211 (2020)
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Defining and Predicting the Localness of Volunteered Geographic Information using Ground Truth Data
Ankit Kariryaa, Isaac Johnson, Johannes Schöning and Brent Hecht
CHI’ 18: In Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems (2018)
Link | PDF On