def draw_matches_file(im1, im2, ip1, ipm, filename):
"""
Draw matches ip1, ipm on images im1, im2 and save to filename
"""
H1, W1, B1 = im1.shape
H2, W2, B2 = im2.shape
im3 = np.zeros((max(H1, H2), W1 + W2, 3))
im3[0:H1, 0:W1, :] = im1
im3[0:H2, W1:(W1 + W2), :] = im2
fig, ax = im_util.image_figure(im3)
col_offset = W1
for r1, c1, r2, c2 in zip(ip1[0, :], ip1[1, :], ipm[0, :], ipm[1, :]):
rand_colour = np.random.rand(3, )
circ1 = Circle((c1, r1), 5)
circ1.set_color('black')
circ2 = Circle((c1, r1), 3)
circ2.set_color(rand_colour)
ax.add_patch(circ1)
ax.add_patch(circ2)
circ3 = Circle((c2 + col_offset, r2), 5)
circ3.set_color('black')
circ4 = Circle((c2 + col_offset, r2), 3)
circ4.set_color(rand_colour)
ax.add_patch(circ3)
ax.add_patch(circ4)
fig.savefig(filename)
plt.close(fig)
def draw_interest_points_file(im, ip, filename):
"""
Draw interest points ip on image im and save to filename
"""
fig, ax = im_util.image_figure(im)
draw_interest_points_ax(ip, ax)
fig.savefig(filename)
plt.close(fig)