Lucas Niquele Endrice, Hugo Vieira Neto. Luminance Ratios for Stable SIFT Keypoint Detection in Challenging Illuminations Scenarios. In 33rd SIBGRAPI Conference on Graphics, Patterns and Images, SIBGRAPI 2020, Recife/Porto de Galinhas, Brazil, November 7-10, 2020. pages 77-84, IEEE, 2020. [doi]