% e = plotepip(I1,I2,map1,map2,p1,p2,F) Plot epipolar lines
%
% In:
%   I1, I2, map1, map2: images and colormaps for the 2 images (from 'imread').
%   p1, p2: Nx2 arrays containing correspondences' pixel coordinates by rows.
%   F: 3x3 fundamental matrix.
% Out:
%   e: 1x2 array, average error (distance-to-line) in each image.

