Kevin Cheng twkwcheng

## whiteboardCleaner.md

      
              1 file
            
          
              228 forks
            
          
              56 comments
            
          
              2095 stars
            
          
                lelandbatey
                / whiteboardCleaner.md
            
            
              Last active
              June 16, 2024 13:44
            
              
                Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!
              
          
    Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results


## gimp-whiteboard.md

      
              1 file
            
          
              1 fork
            
          
              2 comments
            
          
              8 stars
            
          
                adsr303
                / gimp-whiteboard.md
            
            
              Last active
              September 29, 2023 14:56
            
              
                Clean-up a whiteboard photo with GIMP
              
          
    How to clean up a whiteboard photo using GIMP

Skipping other possible actions, such as perspective corrections, here is how:

Duplicate the base image layer.
Set the new layer's mode to "Divide".
Apply a Gaussian blur with a radius of about 50 (Filters/Blur/Gaussian Blur...).

If you need to manipulate the resulting image further, create a new layer from visible (Layer/New from Visible).