Yolo_mark on Ubuntu 16.04 LTS

clone repo

git clone https://github.com/AlexeyAB/Yolo_mark.git
cd Yolo_mark

add linux yolo mark command

cd x64/Release
cat > ./linux_mark <<EOF
#!/usr/bin/env bash

../../yolo_mark data/img data/train.txt data/obj.names
EOF
chmod +x ./linux_mark

running yolo mark

./yolo_mark

extract a frame every N seconds with FFmpeg

ffmpeg -i input.mp4 -vf fps=1/N frame_%03d.jpg

rename frame filenames by increasing the base number

find ./ -name "*.jpg" | awk -F'[_.]' '{ printf "mv %s .%s_%s.%s\n", $0, $2, $3 + 100, $4; }' | bash

create train.txt file

find ./ -name "*.jpg" | sed 's/\./dataset_folders\/images\/object_name/' > train.txt