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This is a simple Numpy implementation of the Mertens Fusion Alghoritm. https://link.raise-uav.com
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Thomas 71ae50cf8e Updated package meta zeug 2023-03-24 19:16:41 +01:00
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experimental.py - Removed experimental code from numpyHDR 2023-03-23 14:32:50 +01:00
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requirements.txt Updated package meta zeug 2023-03-24 19:16:41 +01:00

readme.md

numpyHDR

  • Micro Library for HDR image creation using the Mertens Fusion Alghoritm*
  • Optional Raspicam integration with picamera2 lib
  • CLI Application "makehdr.py"
  • Processing time on raspi zero ca 15 min with full res 12MP files.

Intention

  • numpy and PIL, picamera2 for Raspicam funtionality.
  • Whenever dependencies of other bigger image librarys aren´t satisfyable.
  • 32-bit armv6 or oudated Kernels etc.

Function

Use makehdr.py CLI app for testing before implementation

  • Captures an exposure bracket stack from the raspicam as fast as possible
  • Alternatively from image sequences form file
  • Either direct processing or save files in between
  • Uses a conversion of the Mertens Fusion alghoritm
  • Stretches Information to the full spectrum like Contrast or compression
  • Lifts the shadows softly with an envelope.
  • Clips to Image range and saves via PIL

Setup

  • Download and isntall dependencies from requirements.txt into env

Usage

  • Start make

Run function sequence() to start processing. Example:

hdr = numpyHDR.NumpyHDR()

hdr.input_image = photos/EV- stages/

hdr.compress_quality = 50

hdr.output_path = photos/result/

hdr.sequence()

-returns: Nothing (Arrrr)