光流 | MATLAB实现 Brox Optical Flow（代码类）

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博主github：https://github.com/MichaelBeechan
博主CSDN：https://blog.csdn.net/u011344545

 

function [u, v] = optic_flow_brox(img1, img2)

img1 = imread('frame07.png');
img2 = imread('frame08.png');
alpha = 30.0 ; % Global smoothness variable.
gamma = 80.0 ; % Global weight for derivatives.

[ht, wt, dt] = size( img1 ) ;

num_levels = 40 ; % for face; Number of pyramid levels. Can also be calculated automatically

%power(0.95,40) = 0.1285

im1_hr = gaussianRescaling( img1, power( 0.95, num_levels ) ) ; % Rescaling images
im2_hr = gaussianRescaling( img2, power( 0.95, num_levels ) ) ; % to the top of the
% laplacian pyramid.
u = zeros(size(rgb2gray(im1_hr))); % Initialization.
v = zeros(size(rgb2gray(im1

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