Cited by 2,338Advanced Neural Network ApplicationsDomain Adaptation and Few-Shot LearningInfrastructure Maintenance and Monitoring

The SYNTHIA Dataset: A Large Collection of Synthetic Images for Semantic Segmentation of Urban Scenes

Ros, German, Sellart, Laura, Materzynska, Joanna, Vazquez, David, Lopez, Antonio M.·2016·2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

Vision-based semantic segmentation in urban scenarios is a key functionality for autonomous driving. Recent revolutionary results of deep convolutional neural networks (DCNNs) foreshadow the advent of reliable classifiers to perform such visual tasks. However, DCNNs require learning of many parameters from raw images, thus, having a sufficient amount of diverse images with class annotations is needed. These annotations are obtained via cumbersome, human labour which is particularly challenging for semantic segmentation since pixel-level annotations are required. In this paper, we propose to use a virtual world to automatically generate realistic synthetic images with pixel-level annotations. Then, we address the question of how useful such data can be for semantic segmentation - in particular, when using a DCNN paradigm. In order to answer this question we have generated a synthetic collection of diverse urban images, named SYNTHIA, with automatically generated class annotations. We use SYNTHIA in combination with publicly available real-world urban images with manually provided annotations. Then, we conduct experiments with DCNNs that show how the inclusion of SYNTHIA in the training stage significantly improves performance on the semantic segmentation task.

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Crossref · 10.1109/cvpr.2016.352

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  • Fully synthetic datasets such as SYNTHIA and StreetHazards have been adopted for out-of-distribution detection as well as domain adaptation and generalization.

    “Fully synthetic datasets such as SYNTHIA (Ros et al., 2016) and StreetHazards (Hendrycks et al., 2020a) have been adopted for out-of-distribution detection as well as domain adaptation and generalization, e.g., by testing robustness to transformations in the seasons, weather, time, or architectural style (Hoffman et al., 2018; Volpi et al., 2018).”

    From WILDS: A Benchmark of in-the-Wild Distribution Shifts (2020) · cites this paper as Ros et al., 2016

  • Synthia is one of the oldest multimodal synthetic datasets providing labeled semantic segmentation samples.

    “Synthia [70-72] is one of the oldest multimodal synthetic datasets providing labeled semantic segmentation samples.”

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Authors
Ros, G., Sellart, L., Materzynska, J., Vazquez, D., & Lopez, A. M.
Affiliations
Computer Vision Center (ES)
Venue
2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2016-06
Pages
3234-3243
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2431874326
Cited by
2,338
References
45
Citations by year
2026: 98 · 2025: 200 · 2024: 272 · 2023: 316 · 2022: 305 · 2021: 361 · 2020: 284 · 2019: 239 · 2018: 163 · 2017: 89 · 2016: 11
FWCI
57.26
Type
conference paper
Language
en
Open access
closed
Locations
IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
  • Physical Sciences › Engineering › Civil and Structural Engineering › Infrastructure Maintenance and Monitoring
Keywords
synthetic images, semantic segmentation, urban scenes, autonomous driving, virtual worlds, pixel-level annotation, deep convolutional neural networks, data augmentation

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