Patent ID: 6362816
Filing Date: 2002-03-26
Classification: G06T,G09G

Abstract:
A display control method for controlling a predetermined image processing on a video signal and for displaying an image on a display unit, the method comprising the steps of:inserting marker signals into a video signal at positions corresponding to two corners on a diagonal in a rectangular predetermined range of an image to be displayed, wherein said marker signals are used to define a location where said predetermined image processing is performed; effecting different processings on video signals inside and outside of said rectangular predetermined range defined by said marker signals; moving positions whereat said marker signals are inserted based on a predetermined operation input, thereby moving said rectangular predetermined range of said image to be displayed; inserting a predetermined control signal indicating a condition of an image processing executed in said rectangular predetermined range designated by said marker signals in a predetermined position of a horizontal line in which said marker signals are inserted; and moving said predetermined position where said control signal is inserted in an interlocked fashion with said moving of said positions wherein said marker signals are inserted.