A new algorithm for labeling connected-components and calculating the Euler number, connected-component number, and hole number.

Lifeng He Yuyan Chao Kenji Suzuki 0001 A new algorithm for labeling connected-components and calculating the Euler number, connected-component number, and hole number. 3099-3102 2012 ICPR https://ieeexplore.ieee.org/document/6460820/ conf/icpr/2012 db/conf/icpr/icpr2012.html#HeCS12