how2process - matlab
Boundary

x=csvread('first_track_x.csv');
y=csvread('first_track_y.csv');
k=boundary(x,y);
hold on;
plot(x(k),y(k));

fileID=fopen('first_boundary.csv','w');
fprintf(fileID,'%f,%f\n',x(k),y(k));

移動平均