Patent ID: 6519006
Filing Date: 2003-02-11
Classification: H04N

Abstract:
An image aspect ratio converting apparatus comprising:aspect ratio converting means for converting an image signal having an aspect ratio of 4:3 to an image signal having a predetermined wide aspect ratio; image extracting means for extracting a predetermined amount of a left end image and a predetermined amount of a right end image of a horizontal scanning period of the image signal having an aspect ratio of 4:3; and extrapolating means for using said extracted predetermined amount of the left end image to extrapolate a region of from the left end of the horizontal scanning period of the image signal having an aspect ratio of 4:3 to the left end of the horizontal scanning period of the image signal having said wide aspect ratio, and for using said extracted predetermined amount of the right end image to extrapolate a region of from the right end of the horizontal scanning period of the image signal having an aspect ratio of 4:3 to the right end of the horizontal scanning period of the image signal having said wide aspect ratio.