& obj. 1 & obj. 2 & obj. 3 & obj. 4 & obj. 5
\\ classified as obj. 1 & 152 & 1 & 0 & 1 & 0
\\ classified as obj. 2 & 0 & 152 & 12 & 20 & 0
\\ classified as obj. 3 & 0 & 0 & 141 & 6 & 0
\\ classified as obj. 4 & 0 & 0 & 0 & 116 & 0
\\ classified as obj. 5 & 0 & 0 & 0 & 0 & 143