23 lines
581 B
Matlab
23 lines
581 B
Matlab
function [ R, T ] = AlignShapesKabsch ( alignFrom, alignTo )
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%ALIGN3DSHAPES Summary of this function goes here
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% Detailed explanation goes here
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dims = size(alignFrom, 2);
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alignFromMean = alignFrom - repmat(mean(alignFrom), size(alignFrom,1),1);
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alignToMean = alignTo - repmat(mean(alignTo), size(alignTo,1),1);
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[U, ~, V] = svd( alignFromMean' * alignToMean);
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% make sure no reflection is there
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d = sign(det(V*U'));
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corr = eye(dims);
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corr(end,end) = d;
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R = V*corr*U';
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T = mean(alignTo) - (R * mean(alignFrom)')';
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T = T';
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end
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