Abstract: An image zooming method for adjusting an image in a monitor display area includes the steps of setting at least one focus region in the image in the monitor displaying area; obtaining a focus center in accordance with the focus region; setting a zooming rate of the image; obtaining a shift vector in accordance with a display center of the monitor display area, the focus center and the zooming rate; and shifting the image in the monitor display area in accordance with the shift vector, and setting the size of the image in the monitor display area in accordance with the zooming rate.

Abstract: An image zooming method for adjusting an image in a monitor display area includes the steps of setting at least one focus region in the image in the monitor displaying area; obtaining a focus center in accordance with the focus region; setting a zooming rate of the image; obtaining a shift vector in accordance with a display center of the monitor display area, the focus center and the zooming rate; and shifting the image in the monitor display area in accordance with the shift vector, and setting the size of the image in the monitor display area in accordance with the zooming rate.

Abstract: A method for cache image display in an electronic apparatus having at least a LCD screen and a storage device, said method being applied when a user performs operations such as shrinking, enlarging, dragging or adjusting the viewing area of a thumbnail image on said screen, said method comprises the steps of determining if a random access memory in said electronics apparatus contains a pre-shrunk cache image and said pre-shrunk image has nearly the same image size as the one demanded by said user; retrieving said cache image upon the determination that said pre-shrunk cache image has nearly the same image size as the one demanded by said user; resizing said cache image with a proper proportion to form a new thumbnail image with the size demanded by said user; and displaying said thumbnail image on said LCD screen.