Conference paper

ŠLOSÁR Peter, JURÁNEK Roman and HEROUT Adam. Cheap Rendering vs. Costly Annotation: Rendered Omnidirectional Dataset of Vehicles. In: Proceedings of Spring Conference on Computer Graphics. Smolenice: Comenius University in Bratislava, 2014, pp. 105-112. ISBN 978-80-223-3601-7.
Publication language:english
Original title:Cheap Rendering vs. Costly Annotation: Rendered Omnidirectional Dataset of Vehicles
Title (cs):Renderování vs. Anotace: Všesměrový dataset automobilů
Pages:105-112
Proceedings:Proceedings of Spring Conference on Computer Graphics
Conference:Spring Conference on Computer Graphics 2014
Place:Smolenice, SK
Year:2014
ISBN:978-80-223-3601-7
Publisher:Comenius University in Bratislava
URL:http://medusa.fit.vutbr.cz/SynthCars/ [HTML]
Keywords
Realistic Rendering, Dataset of Vehicles, Omnidirectional Views, Computer Vision, Object Detection
Annotation
Detection of vehicles in traffic surveillance needs good and large training datasets in order to achieve competitive detection rates. We are showing an approach to automatic synthesis of custom datasets, simulating various major influences: viewpoint, camera parameters, sunlight, surrounding environment, etc. Our goal is to create a competitive vehicle detector which "has not seen a real car before." We are using Blender as the modeling and rendering engine. A suitable scene graph accompanied by a set of scripts was created, that allows simple configuration of the synthesized dataset. The generator is also capable of storing rich set of metadata that are used as annotations of the synthesized images. We synthesized several experimental datasets, evaluated their statistical properties, as compared to real-life datasets. Most importantly, we trained a detector on the synthetic data. Its detection performance is comparable to a detector trained on state-of-the-art real-life dataset. Synthesis of a dataset of 10,000 images takes only several hours, which is much more efficient, compared to manual annotation, let aside the possibility of human error in annotation.
BibTeX:
@INPROCEEDINGS{
   author = {Peter {\v{S}}los{\'{a}}r and Roman Jur{\'{a}}nek and Adam
	Herout},
   title = {Cheap Rendering vs. Costly Annotation: Rendered
	Omnidirectional Dataset of Vehicles},
   pages = {105--112},
   booktitle = {Proceedings of Spring Conference on Computer Graphics},
   year = {2014},
   location = {Smolenice, SK},
   publisher = {Comenius University in Bratislava},
   ISBN = {978-80-223-3601-7},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.en.iso-8859-2?id=10646}
}

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