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Processing Raw Image Files from a Raspberry Pi High Quality Camera @Raspberry_Pi #PiDay #RaspberryPi

Here’s a walkthrough on how to process raw image files using Raspberry Pi and a Python utility called PyDNG, available on github. Here’s more from Raspberry Pi Blog:

The raw image is sometimes likened to the old photographic negative, and whilst many camera vendors use their own proprietary formats, the most portable form of raw file is the Digital Negative (or DNG) format, defined by Adobe in 2004. The question at hand is how to obtain DNG files from Raspberry Pi, in such a way that we can process them using our favourite raw converters.

Many readers will be familiar with the raspistill application, which captures JPEG images from the attached camera. raspistill includes the -r option, which appends all the raw image data to the end of the JPEG file. JPEG viewers will still display the file as normal but ignore the (many megabytes of) raw data tacked on the end.

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