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# Specify the path to the optical flow utility here.
# Also check line 44 and 47 whether the arguments are in the correct order.
# deepflow and deepmatching optical flow binaries
flowCommandLine="bash run-deepflow.sh"
if [ -z "$flowCommandLine" ]; then
echo "Please open make-opt-flow.sh and specify the command line for computing the optical flow."
exit 1
fi
if [ ! -f ./consistencyChecker/consistencyChecker ]; then
if [ ! -f ./consistencyChecker/Makefile ]; then
echo "Consistency checker makefile not found."
exit 1
fi
cd consistencyChecker/
make
cd ..
fi
filePattern=$1
folderName=$2
startFrame=${3:-1}
stepSize=${4:-1}
if [ "$#" -le 1 ]; then
echo "Usage: ./make-opt-flow <filePattern> <outputFolder> [<startNumber> [<stepSize>]]"
echo -e "\tfilePattern:\tFilename pattern of the frames of the videos."
echo -e "\toutputFolder:\tOutput folder."
echo -e "\tstartNumber:\tThe index of the first frame. Default: 1"
echo -e "\tstepSize:\tThe step size to create long-term flow. Default: 1"
exit 1
fi
i=$[$startFrame]
j=$[$startFrame + $stepSize]
mkdir -p "${folderName}"
while true; do
file1=$(printf "$filePattern" "$i")
file2=$(printf "$filePattern" "$j")
if [ -a $file2 ]; then
if [ ! -f ${folderName}/forward_${i}_${j}.flo ]; then
eval $flowCommandLine "$file1" "$file2" "${folderName}/forward_${i}_${j}.flo"
fi
if [ ! -f ${folderName}/backward_${j}_${i}.flo ]; then
eval $flowCommandLine "$file2" "$file1" "${folderName}/backward_${j}_${i}.flo"
fi
./consistencyChecker/consistencyChecker "${folderName}/backward_${j}_${i}.flo" "${folderName}/forward_${i}_${j}.flo" "${folderName}/reliable_${j}_${i}.txt"
./consistencyChecker/consistencyChecker "${folderName}/forward_${i}_${j}.flo" "${folderName}/backward_${j}_${i}.flo" "${folderName}/reliable_${i}_${j}.txt"
else
break
fi
i=$[$i +1]
j=$[$j +1]
done
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