Files with underscore parallel are more parallelized versions of other files. twocoords implements drawing with FFTs on X and Y separately, combined does it together. -top argument specifies filtering of FFT values (how many largest values to keep). Drawing lets you first draw an image and then constructs it using the circles drawing.
cd drawing
make drawing
./drawing
make combined
./combined <filename> [-points] [-n <num_threads>] [-top <value>]
make combined_parallel
./combined_parallel <filename> [-points] [-n <num_threads>]
make twocoords
./twocoords <filename> [-points] [-n <num_threads>] [-top <value>]
make twocoords_parallel
./twocoords_parallel <filename> [-points] [-n <num_threads>]
code relies on OpenCV and SFML. You can get it from terminal on Linux (Ubuntu/Debian) by:
sudo apt install libopencv-dev
sudo apt install libsfml-dev
Number of contours: 3, Number of points: 581
Number of contours: 20, Number of points: 4825
With connecting lines
Without connecting lines
Number of contours: 123, Number of points: 2844
With connecting lines
Without connecting lines
