FlowCode

utilities to convert from .flo format (optical flow) to .exr format

• flo2exr : convert .flo to .exr

  usage: ./flo2exr [-quiet] in.flo out.exr

• exr2flo : convert .exr to .flo

  usage: ./exr2flo [-quiet] in.exr out.flo

• flo2png : visualize .flo file into a png

  usage: ./flo2png [-quiet] in.flo out.png [maxmotion]

• deepflow_opencv : compute flow field between im1 and im2 with opencv deepflow method

  usage: ./deepflow_opencv im1.png im2.png out.flo

  ./deepflow_opencv --gpu im1.png im2.png out.flo

  ./deepflow_opencv --exr --gpu im1.png im2.png out.exr

  use -d to downsample the flow computation (-d=.5 will compute at half resolution)

Compile :

you need to have opencv installed

git clone --recursive https://github.com/lulu1315/FlowCode.git
cd FlowCode
mkdir build;cd build
cmake ..
make

• tinyexr : https://github.com/syoyo/tinyexr
• imageLib https://github.com/dscharstein/imageLib
• original Code : http://vision.middlebury.edu/flow/data/
• twixtor format : http://revisionfx.com/faq/motion_vector/