File list (Check if you may need any files):
Poisson_Image1\find_result_channel.asv
..............\find_result_channel.m
..............\find_t_gradient.m
..............\find_t_gradient_b_diff.m
..............\find_x_gradient.m
..............\find_x_gradient_b_diff.m
..............\find_y_gradient.m
..............\find_y_gradient_b_diff.m
..............\main.asv
..............\main.m
..............\moon.JPG
..............\mountains.JPG
..............\pad_image.m
..............\sp_laplace.asv
..............\sp_laplace.m
Poisson_Image1