tim_mattrai.m

%% Ham tim ra vung chua mat trai trong anh
% Chuong trinh dua vao ty so chap lon nhat cua Sum of Square Diffrent
% Dau vao :
%       Ima : Anh la vung co chua mat trai.
% Dau ra :
%       x_mattrai : Toa do hang dau ra cua vi tri chap lon nhat
%       y_mattrai : Toa do cot dau ra cua vi tri chap lon nhat
% Chu y : Cac toa do ra nay chi tuong ung voi kich thuoc cua anh dau vao
% By : Nguyen Van Linh
% SipLab_k52, Dien tu vien thong, Dai hoc Bach Khoa Ha Noi
function [x_mattrai,y_mattrai]=tim_mattrai(Ima)
heso = [];
tem_mattrai = 'mau_mat_trai\';
file_ext = '.jpg';
fodel_mattrai = dir([tem_mattrai,'*',file_ext]);
soluong_mattrai = size(fodel_mattrai,1);
for i = 1:soluong_mattrai
    string_mattrai = [tem_mattrai,fodel_mattrai(i,1).name];
    mau = imread(string_mattrai);
    [I_ssd1{i},I_ncc] = template_matching_1(mau,Ima);
    heso_mattrai = max(I_ssd1{i}(:));
    heso = [heso heso_mattrai];
end
 j = find(heso==max(heso(:)));
if(size(j,2)>=2)
    j = max(j);
end
[x_mattrai,y_mattrai] = find(I_ssd1{j}==heso(j));
%clearvars I_ssd1 heso_matrai heso I_ncc