ArUco用マーカーを一斉に作る ref: http://qiita.com/OTL/items/798e21ba54c57693eab8

mkmarkers.sh

#!/bin/bash

# create aruco markers in one jpeg file
# requirement: imagemagick, aruco
INITIAL_MARKER_ID=100
MARKER_NUM=20
MARKER_PIXEL_SIZE=100
OUTPUT_FILE=output.jpg
MARKER_BORDER=50
OUTPUT_DIR=/tmp/aruco_tpm
export LD_LIBRARY_PATH=/usr/local/lib

mkdir -p "${OUTPUT_DIR}"
pushd "${OUTPUT_DIR}"
rm -f *.jpg
for i in $(seq ${MARKER_NUM})
do
    marker_id=$((i + ${INITIAL_MARKER_ID}))
    echo $marker_id
    aruco_create_marker "${marker_id}" "${marker_id}.jpg" "${MARKER_PIXEL_SIZE}"
done

popd
montage -border "${MARKER_BORDER}" -tile 4x5 -background white -bordercolor white ${OUTPUT_DIR}/*.jpg "${OUTPUT_FILE}"
display "${OUTPUT_FILE}"