| 2015 | IPAS | Pentachromatic colour spaces. | Alfredo Restrepo |
| 2015 | IPAS | Metamerism in the context of aperture sampling reconstruction. | Alfredo Restrepo, Julian D. Garzon |
| 2014 | IPAS | Tri and tetrachromatic metamerism. | Alfredo Restrepo |
| 2013 | IPAS | Hue processing in tetrachromatic spaces. | Alfredo Restrepo |
| 2013 | IPAS | Colour modification and colour combination in double-cone colour space. | Alfredo Restrepo |
| 2012 | IPAS | Tetrachromatic colour space. | Alfredo Restrepo |
| 2011 | IPAS | Colour processing in Runge space. | Alfredo Restrepo |
| 2007 | ICIP | On the 2D Teager-Kaiser Operator. | Julian Quiroga, Alfredo Restrepo, Lina Wedefort, Margarita Velasco |
| 2006 | ICASSP | On the Roots of the 33 Median Filter. | Andrea Cordoba, Alfredo Restrepo |
| 1999 | ICASSP | 2-D binary locally monotonic regression. | Alfredo Restrepo, Scott T. Acton |
| 1999 | ICIP | Locally Monotonic Models for Image and Video Processing. | Scott T. Acton, Alfredo Restrepo |
| 1997 | ICASSP | Optimal noise levels for stochastic resonance. | Alfredo Restrepo, Luis F. Zuluaga, Luis E. Pino |
| 1997 | ICIP | Analytical Properties of Teager's Filter. | Alfredo Restrepo, Luis Fernando Zuluaga, Herberto Ortiz, Victor Ojeda |
| 1995 | ICIP | Designing OSED's (order statistic edge detectors). | Alfredo Restrepo, Alejandro Naranjo, Magdalenu Valderrama, Mauricio Daniels, Ramiro de la Vega |
| 1994 | ICIP | On the Detection of Edges using Order Statistic Filters. | Alfredo Restrepo, Gerald Hincapie, Alfonso Parra |
| 1986 | ICASSP | Spectral analysis of order statistic filters. | Alfredo Restrepo, Alan C. Bovik |