scan-context/src/fast_evaluator/src/ringkey.m

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Mathematica
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2021-10-19 00:52:12 +00:00
function [ ring_key ] = ringkey(sc)
num_rings = size(sc, 1);
ring_key = zeros(1, num_rings);
for ith=1:num_rings
ith_ring = sc(ith,:);
% ring_key(ith) = mean(ith_ring);
ring_key(ith) = nnz(ith_ring);
end
end