How many valuable
geotagged photos are locked
in billions of phones?
Unlock
Ground Truth Data
Unlocking ground truth data requires trust:
- Trust between your organisation and the people on the ground you will reach to solve your ground truth data gap problem.
- Trust between the people you will reach and their networks, so the number of people reached can grow exponentially.
- Trust between your organisation and askphotos.earth:
- We are not interested in your data. askphotos.earth's workflow and open-source technology are designed so that we never see your ground truth data.
- We are interested in building the technology and the network to support organisations harnessing untapped ground truth data. If you would like to receive updates, please subscribe to our newsletter.
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e.g. Photos of construction sites in Addis Ababa in January 2026
The right prompt to the right crowd can quickly give you access to a large ground truth dataset.
e.g. surveyors
1- Copy the generated link.
{write your prompt in step 1}
2- Paste the generated link into a form.
3- Paste below the URL of your form.
4- Share your form with the right crowd.
Tell us about the ground truth data you need and the askphotos.earth team will get back to you shortly.
Thank you. We'll get back to you shortly.
Something went wrong. Please email us at contact@askphotos.earth
Send us your prompt and your details to receive support.
Thank you. We'll get back to you shortly.
Something went wrong. Please email us at contact@askphotos.earth
Unlike a data collection campaign, which can take weeks or months, a data unlocking campaign can be completed within hours.
Once you receive the photo album links in your form responses (or in a WhatsApp/Telegram group), export them in CSV or TXT format and process them automatically using the Ground Truth Data (GTD) Generator. You can customise the GTD Generator to extract the labels/semantics you need.
🔒askphotos.earth's workflow and open-source technology are designed so that we never see your ground truth data.
Download will start in a few seconds. This is a PRE-RELEASE VERSION. If you encounter any issues, use the CLI approach and please report the issue via the GTD Generator Issues tab.
When download completes, go to permissions and tick "Allow executing file as program".
Download will start in a few seconds. This is a PRE-RELEASE VERSION. If you encounter any issues, use the CLI approach and please report the issue via the GTD Generator Issues tab.
Download will start in a few seconds. This is a PRE-RELEASE VERSION. If you encounter any issues, use the CLI approach and please report the issue via the GTD Generator Issues tab.
The steps you followed are for unlocking historical data. To collect new data, go to:
WhatsApp Mapping