TP-traitement-audio-visuel/TP6/inpainting.m
2023-06-22 20:47:16 +02:00

22 lines
458 B
Matlab

function u_kp1 = inpainting(u0, u_k, u_d, lambda, Dx, Dy, epsilon)
N = length(u0);
u_kp1 = zeros(size(u_k));
for i=1:size(u0, 3)
coeffs = 1 ./ sqrt( (Dx * u_k(:,:,i)).^2 + (Dy * u_k(:,:,i)).^2 + epsilon );
W = spdiags(coeffs, 0, N, N);
W_od = spdiags(1 - u_d, 0, N, N);
A = W_od + lambda * (Dx' * W * Dx + Dy' * W * Dy);
b = W_od * u0(:,:,i);
u_kp1(:,:,i) = A \ b;
end
end