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Özgün Çiçek
Researcher at University of Freiburg
Publications - 20
Citations - 7533
Özgün Çiçek is an academic researcher from University of Freiburg. The author has contributed to research in topics: Supervised learning & Optical flow. The author has an hindex of 11, co-authored 18 publications receiving 4855 citations.
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Proceedings ArticleDOI
Multimodal Future Localization and Emergence Prediction for Objects in Egocentric View With a Reachability Prior
TL;DR: Experiments show that the reachability prior combined with multi-hypotheses learning improves multimodal prediction of the future location of tracked objects and, for the first time, the emergence of new objects.
Posted Content
Uncertainty Estimates for Optical Flow with Multi-Hypotheses Networks
TL;DR: A new network architecture is introduced that enforces complementary hypotheses and provides uncertainty estimates efficiently within a single forward pass without the need for sampling or ensembles and demonstrates high-quality uncertainty estimates that clearly improve over previous confidence measures on optical flow.
Journal ArticleDOI
Deep learning is widely applicable to phenotyping embryonic development and disease
Thomas Naert,Özgün Çiçek,Paulina Ogar,Max Bürgi,Nikko-Ideen Shaidani,Michael M. Kaminski,Michael M. Kaminski,Yuxiao Xu,Kelli Grand,Marko Vujanovic,Daniel Prata,Friedhelm Hildebrandt,Thomas Brox,Olaf Ronneberger,Fabian F. Voigt,Fritjof Helmchen,Johannes Loffing,Marko E. Horb,Helen Rankin Willsey,Soeren S. Lienkamp +19 more
TL;DR: In this paper, the authors explore how deep learning (U-Net) can automate segmentation tasks in various imaging modalities, and quantify phenotypes of altered renal, neural and craniofacial development in Xenopus embryos in comparison with normal variability.
Posted Content
Learning Representations for Predicting Future Activities.
Mohammadreza Zolfaghari,Özgün Çiçek,Syed Mohsin Ali,Farzaneh Mahdisoltani,Can Zhang,Thomas Brox +5 more
TL;DR: This work proposes a network module for learning embeddings of the environment's dynamics in a self-supervised way to take the ambiguities and high variances in the future activities into account, using a multi-hypotheses scheme that can represent multiple futures.
Journal ArticleDOI
Microridge-like structures anchor motile cilia
Takayuki Yasunaga,Johannes Wiegel,Max D Bergen,Martin Helmstädter,Daniel Epting,Andrea Paolini,Özgün Çiçek,Gerald Radziwill,Christina Engel,Thomas Brox,Olaf Ronneberger,Peter Walentek,Maximilian H. Ulbrich,Gerd Walz +13 more
TL;DR: In this paper , the authors found that the actin cytoskeleton is highly dynamic during early development of multiciliated cells and that subapical actin filaments are nucleated from the distal tip of ciliary rootlets.