Patent ID: 8421812
Filing Date: 2013-04-16
Classification: G06F,G06T,G09G,H04N

Abstract:
1. An image processing apparatus for outputting image signals of a plurality of images sequentially to a display device, wherein the plurality of images includes a first image, a second image and a third image, and the first and the second images are in a relationship in which, when luminance values of pixels in the respective first and second images are added, an image having no correlation with the first image is created; and wherein: the third image is a public image viewed by unspecified viewers, the image processing apparatus comprising: a unit for setting the third image so that the image obtained by adding luminance values of pixels of all output images including the first and the second images becomes an image including a lot of spatial-frequency components which are equal to or higher than spatial-frequency components included in the first image; and an optical shutter control unit for controlling an optical shutter provided between the display device and a viewer to make the optical shutter be in a light transmission state while a part of or all the first image is displayed, and in a light interception state while other images are displayed.