@article {D{\'\i}azPernil2013846, title = {Segmenting images with gradient-based edge detection using Membrane Computing}, journal = {Pattern Recognition Letters}, volume = {34}, number = {8}, year = {2013}, note = {Computer Analysis of Images and Patterns}, pages = {846 - 855}, publisher = {Elsevier}, address = {Philadelphia, USA}, keywords = {CUDA}, issn = {0167-8655}, doi = {10.1016/j.patrec.2012.10.014}, url = {http://www.sciencedirect.com/science/article/pii/S0167865512003443}, author = {Daniel D{\'\i}az-Pernil and Ainhoa Berciano and Francisco Pe{\~n}a-Cantillana and Miguel A. Guti{\'e}rrez-Naranjo} }