JPEG2000 Images Protection Sent to Mobile Devices

Internationale IUFRO Konferenz "Kulturerbe Wald" – News of Forest History No III-1/2005

Ukrania Díaz ; Bernardo Alarcos ; Enrique de la Hoz ; Iván Marsá

Others  :  http://CEUR-WS.org/Vol-208/paper26.pdf
PID  :  548

来源: CEUR

【 摘 要 】

With the increasing use of multimedia technologies and mobile devices, also increases the applications which purpose is to offer information orto do advertising by means of the sending of images or videos. In this paper, weapproach a digital tourist guide scene in which mobile devices with limited resources need to receive multimedia information across a wireless connection.Also we approached that this information is visible only authorized users. Wecentre the article on the protection of images by adapted format of compression. Standard JPEG 2000 has been selected to offer an optimal balance between the quality of image and the occupied space. In order to protect the information, we have worked with selective encryption mechanism, that allow toobtain a relation of commitment between the computational cost, on having concealed the information and the concealment degree.