SpaceNet - Datasets

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Description

Since 2017, Topcoder has partnered with SpaceNet to develop computer vision solutions for geospatial imagery. By making these data sets available to the Topcoder community, our hope is that the state of automated feature extraction can be furthered and that important downstream uses of the data, such as humanitarian and disaster response, can be improved.

Dataset Links

[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Getting Started with SpaceNet Data

Getting Started with SpaceNet Data

SpaceNet's guide to accessing, understanding, and using their data.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet Utilities

SpaceNet Utilities

Packages intended to assist in the preprocessing of SpaceNet satellite imagery data corpus to a format that is consumable by machine learning algorithms.

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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet Data

SpaceNet Data

A corpus of commercial satellite imagery and labeled training data to foster innovation in the development of computer vision algorithms.

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History of Our Work

[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Visualizer for Building Detector Challenges

Visualizer for Building Detector Challenges

A visualizer application to let you view grayscale, 3-band and 8-band images, view ground truth building footprints, and your solution's building footprint as overlays on these images.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet 1

SpaceNet 1: Building Extraction Challenge

In this challenge, competitors are tasked with developing automated methods for extracting map-ready building footprints from high-resolution satellite imagery.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet 2

SpaceNet 2: Building Extraction Challenge Pt. II

As with SpaceNet 1, this challenge tasked competitors with developing automated methods for extracting map-ready building footprints from high-resolution satellite imagery. The second round included more data, new imagery formats, and improved building footprint annotations.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet 3

SpaceNet 3: Road Network Detection

Moving towards more accurate fully automated extraction of road networks will help bring innovation to computer vision methodologies applied to high-resolution satellite imagery, and ultimately help create better maps where they are needed most.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - SpaceNet 4

SpaceNet 4: Off-Nadir Imagery

Emerging next generation earth imaging satellite constellations that will provide more frequent revisists will tend to have higher off-nadir (collected from angles that are not straight down) imagery. The ability to use higher off-nadir imagery will allow for more flexibility in acquiring and using satellite imagery after a disaster.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Scoring Strategy

SpaceNet Scoring Strategy

An explanation of the metric used to score SpaceNet Challenges—the Jaccard Index, also known as the Intersection-of-Union (IOU)—along with its benefits and limitations.



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Blogs and Discussions

[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Object Detection on SpaceNet

Object Detection on SpaceNet

This post presents a walk through of an object detection process applied to SpaceNet imagery. Sample Python code is included to demonstrate basic GIS functionality within Python and neural network design in TensorFlow.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - TechCrunch: SpaceNet Satellite Imagery Repository Launched

TechCrunch: SpaceNet Satellite Imagery Repository Launched

With an increase in the number of CubeSats, high-resolution satellites and drones of every shape and size, we have accumulated petabytes of imaging data that can be processed with analytics to solve myriad problems.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Nvidia: Exploring the SpaceNet Dataset Using DIGITS

Nvidia: Exploring the SpaceNet Dataset Using DIGITS

NVIDIA is proud to support SpaceNet by demonstrating an application of the SpaceNet data that is made possible using GPU-accelerated deep learning. In this post we demonstrate how DIGITS can be used to train two different types of convolutional neural network for detecting buildings in the SpaceNet 3-band imagery.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Topcoder- The SpaceNet Challenge: Chat with Experts – Live Event

Topcoder- The SpaceNet Challenge: Chat with Experts – Live Event

A virtual session providing background on the SpaceNet Challenges, their formulation and humanitarian efforts they support, some details about the data, and q&a



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Creating Training Datasets for the SpaceNet Road Detection and Routing Challenge

Creating Training Datasets for the SpaceNet Road Detection and Routing Challenge

The SpaceNet dataset contains over 8,000 km of hand-labeled and validated road centerlines, with attendant high-resolution 30 cm satellite imagery. This dataset provides the basis for the SpaceNet Road Network Extraction Challenge, with the goal of automatically extracting the road network graph structure directly from satellite imagery.



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[DS ANALYTICS - DATASETS PAGE] - {Spacenet} - Preprint—SpaceNet: A Remote Sensing Dataset and Challenge Series

SpaceNet: A Remote Sensing Dataset and Challenge
Series

Foundational mapping remains a challenge in many parts of the world, particularly during dynamic scenarios such as natural disasters when timely updates are critical. Modifying maps is currently a highly manual process requiring a large number of human labelers to either create features or rigorously validate automated outputs. We propose that the frequent revisits of earth imaging satellite constellations may accelerate existing efforts to quickly revise foundational maps when combined with advanced machine learning techniques.



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