Multi-viewpoint image recording medium and authenticity judgment method
AssigneeSony Corporation
InventorsAkira Shirakura, Takashi Matsubara
Life of this patent
Estimating the term…
Abstract
A multi-viewpoint image recording medium includes at least one main image recorded on the multi-viewpoint image recording medium and a plurality of sub-images, each having a display area smaller than a display area of the main image, recorded on the multi-viewpoint image recording medium. The main image and the plurality of sub-images are simultaneously displayed when the main image and the plurality of sub-images are reproduced. At least one of the plurality of sub-images changes in accordance with movement of a viewpoint.
Claims17
A multi-viewpoint image recording medium comprising:
- at least one main image recorded on the multi-viewpoint image recording medium;
- and
- a plurality of sub-images, each having a display area smaller than a display area of the main image, recorded on the multi-viewpoint image recording medium,
- wherein the main image and the plurality of sub-images are simultaneously displayed when the main image and the plurality of sub-images are reproduced, and
- wherein at least one of the plurality of sub-images changes in accordance with movement of a viewpoint.
An authenticity judgment method for performing authenticity judgment on a multi-viewpoint image recording medium which includes identification information recorded on the multi-viewpoint image recording medium, at least one main image recorded on the multi-viewpoint image recording medium, and a plurality of sub-images, each having a display area smaller than a display area of the main image, recorded on the multi-viewpoint image recording medium, the main image and the plurality of sub-images being simultaneously displayed when the main image and the plurality of sub-images are reproduced, at least one of the plurality of sub-images changing in accordance with movement of a viewpoint, the authenticity judgment method comprising:
- preparing a database in which the identification information and an amount characterizing a change of at least one of the plurality of sub-images are registered in association with each other;
- and
- inquiring of the database about the identification information and the amount characterizing a change of at least one of the plurality of sub-images.
Dependencies are inferred from the claim text.