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Footage-Manipulation

Introduction

This project provides tools to help with the manipulation of the footage. The currently available tools are

  • the calibration of the camera using a checkerboard (tools/calibrate.cpp),
  • the undistortion of the footage (tools/undistort.cpp),
  • the stabilization of the footage (tools/undistort.cpp) and
  • the splitting of the footage into sub rectangles. (tools/split_vid)

How to Build and Run

Dependencies

  1. C++11 compiler
  2. OpenCV2
  3. BOOST libraries
  4. CMake

Steps

  1. Install dependencies if not already done.
  2. Make a new directory to compile the code into
$> mkdir manip_bin
  1. Change into that directory
$> cd manip_bin
  1. CMake the project
$> cmake ..
  1. Make the project
$> make
  1. Run the tool you want to use
$> tools/[Your tool of choice]

What each tool does

Calibrate

This is the calibration software for the camera.

How do you use it?

Usage: tools/calibrate [options] <horiz> <vert> <input>

Options:
  -h [ --help ]	Print help messages
  --horiz arg                       Number of horizontal corners
  --vert arg                        Number of vertical corners
  -i [ --input ] arg                Input directory
  -c [ --calibfn ] arg (=calib.yml) calibration filename

What does it do?

Takes in a directory that contains all the calibration images that you have with the checkerboard and writes the corresponding calibration output file.

Undistort

This is the undistortion software for the camera.

How do you use it?

Usage: tools/undistort [options] <calibfn> <footage>

Options:
  -h [ --help ]         Print help messages
  -c [ --calibfn ] arg  calibration filename
  -f [ --footage ] arg  footage file

What does it do?

Takes in the footage that you have recorded as well as the calibration file that was created from the calibration tool and undistorts the footage.

N.B. For now we do not save the video.

Stabilize

This is the stabilization software for the camera.

How do you use it?

Usage: tools/stabilize [options] <footage>

Options:
  -h [ --help ]                     Print help messages
  -b [ --boxsize ] arg (=20)        The size of the box that you search for the
                                    best point to track in
  -c [ --hcrop ] arg (=30)          Horizontal Border Crop, crops the border to
                                    reduce the black borders from stabilization
                                    being too noticeable.
  -m [ --manualframe ] arg (=0)     Frame to do manual capturing on.
  -s [ --scalefactor ] arg (=0.25)  Scaling Factor for manual marking.
  -f [ --footage ] arg              footage file
  -o [ --output ] arg (=output.avi) output file

When run, manually select the points that you want to track.

What does it do?

Takes in the footage that you have recorded and creates the corresponding stabilized footage.

Splitting

This is the splitting software for the footage.

How do you use it?

Usage: tools/split_vid [options] <footage> <numx> <numy>

Options:
  -h [ --help ]               Print help messages
  -f [ --footage ] arg        footage file
  -x [ --numx ] arg           number of x splits
  -y [ --numy ] arg           number of y splits
  -t [ --timesplit ] arg (=1) number of time splits
  -o [ --output ] arg (=.)    output directory

What does it do?

Takes in the stabilized footage and splits it into the number of rectangles and time zones that you would like.