Patent ID: 6023261
Filing Date: 2000-02-08
Classification: A63F,G06T,G09G

Abstract:
A translucent-image display apparatus comprising:an image-data storage unit in which lower image data to be displayed on a screen, and upper image data to be displayed on the lower image are stored;a color-palette storage unit in which color-palette data of the lower image, and color-palette data of the upper image are stored;a shadow-palette storage unit in which achromatic data having a brightness level identical to the brightness level of each color included in the color-palette data of the upper image is stored;a range defining unit for defining a superposing range in which the upper image is superposed on the lower image, based on said lower image data and said upper image data;a first composite-color generating unit for generating first composite color data by subtracting the color represented by the achromatic data from the color of the lower image in the superposing range, based on the color-palette data of the lower image and the achromatic data;a second composite-color generating unit for generating second composite color data by adding the color represented by the color-palette data of the upper image to said first composite color data; anda translucent-image display processor for translucently displaying on the screen the upper image in said second composite color, based on said second composite color data.