A=imread('1.jpg'); B=imread('2.jpg'); C=imread('3.jpg'); D=imread('4.jpg'); F1=imread('5.jpg'); A_a = double(A)/255; B_b = double(B)/255; C_c= double(A)/255; D_d = double(B)/255; ori_A=A; ori_B=B; ori_C=C; ori_D=D; [p1,q1] = size(A); [p2,q2] = size(B); if(p1~=p2||q1~=q2) error('The size of image A and image B must be the same......'); end F1= fuse_lap(A_a,B_b,4,1,3); M1=A_a; M2=B_b; zt=4; ap=1; mp=3; %Y = fuse_lap(M1, M2, zt, ap, mp) image fusion with laplacian pyramid % % M1 - input image A % M2 - input image B % zt - maximum decomposition level % ap - coefficient selection highpass (see selc.m) % mp - coefficient selection base image (see selb.m) % % Y - fused image % (Oliver Rockinger 16.08.99) % check inputs [z1 s1] = size(M1); [z2 s2] = size(M2); if (z1 ~= z2) | (s1 ~= s2) error('Input images are not of same size'); end; % define filter w = [1 4 6 4 1] / 16; % cells for selected images E = cell(1,zt); % loop over decomposition depth -> analysis for i1 = 1:zt % calculate and store actual image size [z s] = size(M1); zl(i1) = z; sl(i1) = s; % check if image expansion necessary if (floor(z/2) ~= z/2), ew(1) = 1; else, ew(1) = 0; end; if (floor(s/2) ~= s/2), ew(2) = 1; else, ew(2) = 0; end; % perform expansion if necessary if (any(ew)) M1 = adb(M1,ew); M2 = adb(M2,ew); end; % perform filtering G1 = conv2(conv2(es2(M1,2), w, 'valid'),w', 'valid'); G2 = conv2(conv2(es2(M2,2), w, 'valid'),w', 'valid'); % decimate, undecimate and interpolate M1T = conv2(conv2(es2(undec2(dec2(G1)), 2), 2*w, 'valid'),2*w', 'valid'); M2T = conv2(conv2(es2(undec2(dec2(G2)), 2), 2*w, 'valid'),2*w', 'valid'); % select coefficients and store them E(i1) = {selc(M1-M1T, M2-M2T, ap)}; % decimate M1 = dec2(G1); M2 = dec2(G2); end; % select base coefficients of last decompostion stage M1 = selb(M1,M2,mp); % loop over decomposition depth -> synthesis for i1 = zt:-1:1 % undecimate and interpolate M1T = conv2(conv2(es2(undec2(M1), 2), 2*w, 'valid'), 2*w', 'valid'); % add coefficients M1 = M1T + E{i1}; % select valid image region M1 = M1(1:zl(i1),1:sl(i1)); end; % copy image Y = M1;