| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide technique for screen sharing which makes a second display device display a display picture, displayed by a first display device, with small delay. <P>SOLUTION: A display device includes: image comparison control means of comparing a first capture image acquired by capture means and a second capture image acquired before the first capture image and stored in capture image storage means with each other, and making a transfer determination of whether to transfer a difference area image of the first capture image when there is a difference area; transfer means of transferring the difference area image to the other device; and difference area image storage means of storing the already transferred difference area images of the predetermined number of times of transfer as old difference area images. The image comparison control means compares the respective old difference area images stored in the difference area image storage means with an object difference area image, and transfers the object difference area image to the other device when the same old difference area image as the object difference area image is not detected. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
