Trapezoid/perspective crop for images (image processing)

This page summarizes the projects mentioned and recommended in the original post on /r/esp32
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  • esp32-opencv

    Shrinked OpenCV for ESP32

    • Thenb there is this, which I have not tried: https://github.com/joachimBurket/esp32-opencv

  • Socket.io

    Realtime application framework (Node.JS server)

    • Another option is a client server in which the ESP sends a byte stream via socket.io or even just using a image tag - and the server does the processing - again OpenCV is the popular choice for this and will do what you want

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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