| 2019 | CIARP | Computer Vision Approaches to Detect Bean Defects. | Peterson Adriano Belan, Robson A. G. de Macedo, Sidnei Alves de Arajo |
| 2018 | CIARP | Automated Colony Counter for Single Plate Serial Dilution Spotting. | Dimitria Theophanis Boukouvalas, Peterson Adriano Belan, Cintia Raquel Lima Leal, Renato Arajo Prates, Sidnei Alves de Arajo |
| 2018 | CIARP | Detection of Small Portions of Water in VIS-NIR Images Acquired by UAVs. | Daniel Trevisan Bravo, Stanley Jefferson de Araujo Lima, Sidnei Alves de Arajo, Wonder Alexandre Luz Alves |
| 2015 | ISVC | A Computer Vision System for Automatic Classification of Most Consumed Brazilian Beans. | Sidnei Alves de Arajo, Wonder Alexandre Luz Alves, Peterson Adriano Belan, K. P. Anselmo |
| 2015 | MEDES | An approach based on genetic algorithm for solving 2D cutting problem with items of irregular shapes. | Marisa Carla Voigt Gava, Antonio Gregorio Filho, Cristian Derik Paulino Rosario, Sidnei Alves de Arajo |
| 2007 | ISMM | Rotation, scale and translation-invariant segmentation-free grayscale shape recognition using mathematical morphology. | Sidnei Alves de Arajo, Hae Yong Kim |
| 2007 | PSIVT | Grayscale Template-Matching Invariant to Rotation, Scale, Translation, Brightness and Contrast. | Hae Yong Kim, Sidnei Alves de Arajo |