Imports github.com/bamiaux/rez golang.org/x/image/tiff github.com/disintegration/gift github.com/soniakeys/quant/mean github.com/rwcarlsen/goexif/exif github.com/artyom/autoflags golang.org/x/image/draw golang.org/x/image/bmp Standard library imports bytes errors flag fmt io io/ioutil os image/png image image/gif image/jpeg path/filepath strings