JPEG2000 Images protection sent to mobile devices - Ukrania Díaz; Bernardo Alarcos Alcázar; Enrique de la Hoz de la Hoz; Iván Marsá Maestre (Proceedings of I International Conference on Ubiquitous Computing: ICUC 06; Alcalá de Henares, Spain, june 7-9, 2006, 2006)