METHOD FOR EMBEDDING AND FUTURE VISIBILITY OF A SECONDARY IMAGE IN A PRIMARY IMAGE

摘要

A method of incorporating a second image into a primary image. A vectorial grid is created that is adapted for mapping on to the primary image. A deformation is applied to the grid using data from the second image. The deformed grid is then mapped onto the primary image to create an output image. The second image is revealable by applying a decoder to the output image.