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#!/bin/bash
BASENAME=$(basename $1)
convert -verbose $1_0.png PNG24:${BASENAME}_normalized_0.png
convert -verbose $1_1.png PNG24:${BASENAME}_normalized_1.png
./makeOptFlow.sh ${BASENAME}_normalized_%01d.png $BASENAME 0
SEQUENCE=`seq 0.00 0.05 1.00`
ITER=0
mkdir tmp/
for scale in $SEQUENCE; do
scale="${scale/,/.}"
echo $scale
th torch_warp.lua \
-flow_file $BASENAME/backward_1_0.flo \
-source_image ${BASENAME}_normalized_0.png \
-output_image warped_${BASENAME}_0_$scale.png \
-scale $scale
th torch_warp.lua \
-flow_file $BASENAME/forward_0_1.flo \
-source_image ${BASENAME}_normalized_1.png \
-output_image warped_${BASENAME}_1_$scale.png \
-scale $(bc <<< "1.0-$scale")
FILE=$(printf "tmp/frame_%05d.png" $ITER)
convert warped_${BASENAME}_0_$scale.png warped_${BASENAME}_1_$scale.png -compose blend -define compose:args=$(bc <<< "100*$scale/1") -composite $FILE
ITER=$((ITER+1))
done
ffmpeg -i tmp/frame_%05d.png -vcodec libx264 -pix_fmt yuv420p -profile:v baseline -level 3 "blended_${BASENAME}.mp4"
rm -rf tmp/
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