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The Image block is dedicated to computer vision applications. It normalizes image data, and optionally reduce the color depth. GitHub repository containing all DSP block code: edgeimpulse/processing-blocks.

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Image parameters

  • Color depth: Color depth to use (RGB or grayscale)

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How does the image block work?

The Image performs normalization, converting each pixel’s channel of the image to a float value between 0 and 1. If Grayscale is selected, each pixel is converted to a single value following the ITU-R BT.601 conversion (Y’ component only).