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esp32-opencv/esp32/examples/esp_opencv
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README.md

Esp32 opencv example

This example uses opencv library on the Esp32. Only the modules core, imgproc and imgcodecs of opencv are compiled.

The example tests:

  • some matrices initialization, then basic image processing functions on these matrices.
  • Reading a 470x400 pixels PNG image from the SPIFFS filesystem of the Esp32. For now, only PNG files are supported.
  • Perform grayscale conversion and then binary threshold on the image, then write it on the spi flash
  • Perform a canny edges detection on the image and the write it on the spi flash