Patent Document ID: 20130235059
Application ID: 13720619
Patent Status: 0

Claim One:
1. An image compositing apparatus that superimposes an overlay image on an area of chromakey color on a base image and outputs the overlay image as a composite image, the image compositing apparatus comprising: a storage unit that stores the position and size of an area in which said overlay image is displayed; an image position and size change unit that changes the position and size of said overlay image in accordance with the information of said storage unit; a base image presence or absence decision unit that decides the presence or absence of said base image; and a chromakey decision unit that decides a chromakey color portion of said base image, wherein in a case where said base image presence or absence decision unit decides the presence of a base image and said chromakey decision unit decides that the portion of the base image is the chromakey color portion, said the image compositing apparatus outputs said overlay image having the position and size changed by said image position and size change unit, in a case where said base image presence or absence decision unit decides the presence of a base image and said chromakey decision unit decides that the portion of the base image is not the chromakey color portion, said image compositing apparatus outputs said base image, and in a case where said base image presence or absence decision unit decides the absence of a base image, said image compositing apparatus outputs said overlay image having the position and size changed by said image position and size change unit.