Sentinel Hub Custom Script Contest on Urban Growth in Africa

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Sentinel Hub are pleased to present the next special edition of the Sentinel Hub Custom Script Contest – Urban Growth in Africa – focusing on observing change detection and growth of urban areas.

This special edition of the Sentinel Hub Custom Script Contest will start on 3rd May 2021 and end at midnight on 25th July 2021. This activity aims to demonstrate the power of a deep multi-temporal and multi-resolution data cube combined from Sentinel-1, Sentinel-2 and Landsat. The area of interest Dakar, Senegal, loaded it with even more data – Airbus Pleiades and SPOT and, coming soon, Maxar WorldView/GeoEye and PlanetScope.

The submitted scripts will compete under one common category no matter which data collection (Sentinels, Landsat, commercial data, etc.) the scripts use. Sentinel Hub are particularly interested in scripts for monitoring change detection and growth of urban areas.

Requirements

  • All scripts must run within the Sentinel Hub EO Browser.
  • All scripts have to be handed in as text files before 25th July 2021 (23:59 CEST).
  • With the script, you have to hand in a proper description of what your script can be used for and explain how it achieves the results produced. You can include the description in Jupyter Notebook or a separate file.
  • By handing in a script, you confirm to be the sole author(s) of the script and to have the necessary rights to do so.
  • Every single participant or group can hand in up to three scripts.
  • All entries must be licensed under the Creative Commons BY license to be added to the custom scripts repository and be used freely by all.

The Contest is open worldwide, except for Iran and North Korea. Sentinel Hub will perform compliance checks for all registered participants due to access to commercial data.

In addition to the general description of the script, the following information is required:

  • Scripts’ applicability
  • False detection problems (if any)
  • A detailed description of how the script works
  • Representative cases/images with details
  • Visualisation in EO Browser (a link to a working script)
  • References
  • Credits – If your script is based on other people’s work, you have to include the necessary citations and links to relevant papers.

Guidelines

Sentinel Hub are especially interested in the scripts covering one of the following:

  • change detection
  • a built-up area on multi-source imagery
  • data fusion on multi-resolution imagery
  • development of the urban area, when submitting a Pin Story (for beginners)

Please note that if your script is a really cool one and does not meet the above guidelines, the Hub will consider and evaluate it under the same conditions as the rest.

EO Browser

  • Participants get free access to all features of EO Browser, a powerful tool for exploring satellite data collections.
  • To get started quickly with EO Browser, we recommend the EO Browser web page and EO Browser webinar.
  • For more about pins in the webinar, see Pin basics and Pin story.
  • If you would like to save pins in EO Browser, you need an EO Browser account. You can sign up for a free account here.
  • EO Browser also supports the use of custom scripts to visualise satellite data.
  • To help you get started with custom scripting, Sentinel Hub provides a beginner’s tutorial on basic custom scripting, Evalscript documentation for more complex scripting options, multi-temporal scripting, and a custom script repository with numerous custom script examples that can be used immediately.

Prizes

The Hub will be awarding prizes for the best three custom scripts, best-written story (best-written story making use of the EO data by a professional Journalist), and best pin story.

First Prize

  • 1,000 EUR (US$ 1201)
  • 5,000 EUR (US$ 6004) worth commercial data (Airbus SPOT, Airbus Pleiades)
  • 1-year Enterprise Sentinel Hub account (worth 5,000 EUR / US$ 6004)

Second Prize

  • 300 EUR (US$ 360)
  • 3,000 EUR (US$ 3602) worth commercial data (Airbus SPOT, Airbus Pleiades)
  • 1-year Basic Sentinel Hub account (worth 1,000 EUR / US$ 1201)

Third Prize

  • 1,000 EUR (US$ 1201) worth commercial data (Airbus SPOT, Airbus Pleiades)
  • 1-year Basic Sentinel Hub account (worth 1,000 EUR / US$ 1201)

Best Written Story prize

  • 5,000 EUR (US$ 6004) worth commercial data (Airbus SPOT, Airbus Pleiades)
  • 1-year Enterprise Sentinel Hub account (worth 5,000 EUR / US$6004)
  • An opportunity to publish on the Sentinel Hub blog, advertised by Sentinel Hub and ESA

Best Pin Story prize

  • 300 EUR (US$360)
  • a box of goodies

All winners will also get an opportunity to highlight their winning scripts in the Sentinel Hub blog, advertised by Sentinel Hub and ESA.

Registration and Submission

Register for the Contest by filling out the registration form. Completing the form is mandatory for all entrants who would like to submit their custom scripts or pin stories.
Interested persons require a Gmail account to submit a custom script, pin story or written story you. To submit, visit here.

For more information regarding the contest, please visit The Sentinel Hub’s website.

 

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