perfectgrain

Add noise grain to images.

Limitations: The images should not be bigger than the filter.

Input example

Output example with opacity at 170

Install dependencies

Using conda (recommended)

Install miniconda, then run:

conda env create -f environment.yaml

Using Python

Install Python 3.8.5 and run:

pip install -r requirements.txt

How to use

• Place the images in the in folder
• Use either of the run methods and check the out folder afterwards:

Powershell script

• Execute the script run.ps1

Python command

• Activate the environment if using conda: conda activate perfectgrain
• Execute the script: python ./add_filter.py in out 'filters/Ilford HP5.jpg' 170

Configuration

Change the python command to use different folders, filters or opacities.

python add_filter.py in out filter opacity

• in: input folder path
• out: output folder path
• filter: filter image path
• opacity: int between 0 and 255, where 0 is transparent

Credits

Film grain by filmcomposite.