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@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active May 20, 2025 13:11
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

@even4void
even4void / Makefile
Created October 25, 2012 18:35
A sample demo of R Markdown with pandoc
RMDFILE=demo-rmd-pandoc
PANDOC=~/.cabal/bin/pandoc
all:
Rscript -e "require(knitr); require(markdown); knit('$(RMDFILE).rmd', '$(RMDFILE).md'); purl('$(RMDFILE).rmd')"
${PANDOC} --mathjax --toc -B header.html -A footer.html --bibliography refs.bib --css markdown.css -s $(RMDFILE).md -o $(RMDFILE).html