US Patent 9223486 Image processing method for mobile terminal

An image processing method based on zooming for a mobile terminal permits touch zooming on touch screens of a plurality of devices. The image processing method preferably includes: displaying, in response to entering a touch on a touch screen displaying an image, a zooming GUI indicator for image zooming operation; performing image zooming on the touch screen in response to entering a touch point move while retaining the touch; and hiding the zooming GUI indicator from the touch screen in response to entering a touch release.