Add neural style transfer example

python/install_neural.sh

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+#!/bin/bash -e
+
+#https://github.com/ProGamerGov/neural-style-pt
+
+python3 -m pip install neural-style
+neural-style -download_models ./

python/neural.sh

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+#!/bin/bash
+
+INPUT="${1}"
+STYLE="${2}"
+OUTPUT="${3}"
+
+mkdir -p frames
+mkdir -p neural-frames
+
+ffmpeg -i "${INPUT}" frames/frame-%06d.png
+
+FRAMES=frames/*.png
+
+for frame in ${FRAMES}; do
+	echo "Running style transfer $frame -> neural-$frame ..."
+	bash python/style_transfer.sh "${frame}" "${STYLE}" "neural-${frame}"
+done
+
+sleep 10
+
+ffmpeg -f image2 -i frames/neural-frame-%06d.png -c:v prores_ks -profile:v 3 "${OUTPUT}"
+
+#rm -rf frames
+#rm -rf neural-frames

python/style_transfer.sh

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+#!/bin/bash
+
+INPUT="${1}"
+STYLE="${2}"
+OUTPUT="${3}"
+
+# https://github.com/ProGamerGov/neural-style-pt
+
+neural-style \
+	-style_image "${STYLE}" \
+	-content_image "${INPUT}" \
+	-output_image "${OUTPUT}" \
+	-model_file python/nin_imagenet.pth \
+	-gpu c \
+	-backend nn \
+	-num_iterations 500 \
+	-seed 123 \
+	-content_layers relu0,relu3,relu7,relu12 \
+	-style_layers relu0,relu3,relu7,relu12 \
+	-content_weight 10 \
+	-style_weight 500 \
+	-save_iter 0 \
+	-image_size 720 \
+	-optimizer adam