Patent ID: 7652679
Filing Date: 2010-01-26
Classification: H04N

Abstract:
1. An image display method comprising: a display step of displaying a plurality of predetermined images and a moving image on a screen such that the plurality of predetermined images are superimposed respectively on the moving image in such a way that portions of the moving image, corresponding respectively to the plurality of predetermined images, are invisible on the screen; a detecting step of detecting a specific target from the moving image to be displayed on the screen; a decision step of deciding whether the specific target detected from the moving image is positioned to be overlapping with at least one of the plurality of predetermined images displayed on the screen; and a control step of controlling said display step in accordance with a decision result of said decision step such that when said decision step decides that the specific target is positioned to be overlapping with the at least one of the plurality of predetermined images, both the at least one of the plurality of predetermined images and the portions of the moving image, corresponding to the at least one of the plurality of predetermined images, are visible on the screen, and when said decision step decides that the specific target is not overlapping with the at least one of the plurality of predetermined images, the portions of the moving image, corresponding respectively to the plurality of predetermined images, remain invisible on the screen, wherein said control step includes performing an alpha blend process in a predetermined synthesis ratio α, with 0<α<1, to make both at least one of the plurality of predetermined images and the portions of the moving image, corresponding to the at least one of the plurality of predetermined images, visible on the screen when said decision step decides that the specific target is positioned to be overlapping with at least one of the plurality of predetermined images.