?? callback_active_contour.m.svn-base
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function y = callback_active_contour(x, options)% callback_active_contour - callback for conjugate gradient% % y = callback_active_contour(x, options);%% Copytight (c) 2007 Gabriel Peyre% norm of gradientdt = options.dt;n = options.n;d = options.d;x = reshape(x,n,n);y = divgrad( divgrad(x,options)./repmat(d,[1 1 2]),options );if isempty(options.E) y = x(:) - dt * d(:) .* y(:);else y = x(:) - dt * options.E(:) .* d(:) .* y(:);end?? 快捷鍵說明
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