If you use the dataset, please cite the following work: 

Dennis Nunez Fernandez, Bogdan Kwolek, Hand Posture Recognition Using Convolutional Neural Network, 22nd Iberoamerican Congress on Pattern Recognition, Valparaíso, Chile, 2017

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License and is intended for non-commercial academic use. If you are interested in using the dataset for commercial purposes please contact Dennis Nunez Fernandez (dennishnf@gmail.com).