Handheld

WildScenes

2D/3D semantic segmentation

Handheld forest traversals with coherent RGB/lidar semantics, SLAM poses and label uncertainty histograms.

Metadata: Complete Metadata source documented Released 2024

Quick facts

Vehicle type
Handheld
Environment
Outdoor
Data origin
Real-world
Sensor count
2
Ground truth
Available
Calibration
Parameters Only
Annotations
Available

Sensor overview

High-level sensor availability before the detailed sensor records below.

Ground truth

Reference scope, method, rate, coverage, and provenance.

Ground-truth references for WildScenes
Scope Method Reference system Count Rate Coverage Reference provenance
External
Measured using equipment independent of the platform’s normal onboard sensor pipeline.
Derived
Computed primarily from the dataset’s own recorded sensors.
Hybrid
Combines independent reference equipment with onboard measurements.
6DoF LiDAR SLAM Wildcat with GPS/loop-closure bundle adjustment Not reported Not reported Full Reference provenance
External
Measured using equipment independent of the platform’s normal onboard sensor pipeline.
Derived
Computed primarily from the dataset’s own recorded sensors.
Hybrid
Combines independent reference equipment with onboard measurements.
Hybrid
Reference notes
Estimated near-ground-truth pose at all released image/submap timestamps; fusion includes independent GPS and released lidar.

Calibration and synchronization

Reported calibration level, reproducibility signals, and supporting notes.

Level
Parameters Only
Processed parameters
Available
Raw calibration data
Not reported
Calibration targets
Not reported

Parameters only

Processed calibration parameters are reported, but raw calibration data is not reported.

Notes

Camera parameters and sensor transforms accompany the release. Full raw calibration recordings and empirical alignment accuracy are not established.

Known or intentional limitations

Reported constraints and characteristics to check before using the dataset.

Five traversals cover two Australian forest areas and 21.28 km. Released image sampling follows distance/heading changes, so capture-camera and motor frequencies are not output frame rates.

Eighteen raw classes differ from fifteen 2D and twelve 3D evaluated classes. Label projection/visibility filtering and multi-view disagreement affect the 3D semantics; histograms retain uncertainty.

Wildcat poses combine shared LiDAR/inertial processing with GPS/loop closures. Independent pose accuracy and standalone raw IMU/GPS streams remain unestablished; later full clouds differ from labelled submaps.

Cameras

Camera 1

Model
e-CAM130A CUXVR
Setup
Mono
Count
1
Effective cameras
1
Modality
Rgb
Resolution
2016 x 1512
Rate
Not reported
Shutter
Not Reported
Lens type
Not Reported
HFOV
Not reported
VFOV
Not reported
Notes
Front-camera annotated release only. Capture hardware runs 15 Hz, but release is trajectory-sampled every 5 m or accumulated 5° heading change.

IMUs

Not reported

GNSS

Not reported

LiDAR

Velodyne VLP-16

Model or name
Velodyne VLP-16
Count
1
Dimensions
3
Rate
Not reported
Channels
16
Range
Not reported

Radar

Not reported

Additional sensors

Not reported

Annotations

Reported annotation availability and task support.

Availability
Available
Format
Indexed/palette PNG, SemanticKITTI-style .label files and per-point label-histogram CSVs. Manual RGB labels propagate to 3D; histogram uncertainty is not a second geometric reference.
Class count
Not reported
Semantic segmentation Available
Instance segmentation Not available
Object detection Not reported
Optical flow Not reported
Depth ground truth Not reported

Citation

Citation key and BibTeX kept at the end of the page for reference.

Citation key
vidanapathirana2023wildscenes

BibTeX

@misc{vidanapathirana2023wildscenes,
  author = {{Kavisha Vidanapathirana} and {Joshua Knights} and {Stephen Hausler} and {Mark Cox} and {Milad Ramezani} and {Jason Jooste} and {Ethan Griffiths} and {Shaheer Mohamed} and {Sridha Sridharan} and {Clinton Fookes} and {Peyman Moghadam}},
  title = {WildScenes: A Benchmark for 2D and 3D Semantic Segmentation in Large-scale Natural Environments},
  year = {2023},
  eprint = {2312.15364},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2312.15364v2}
}

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