| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for improving convenience of a masking function or a highlighting function in a presentation device. SOLUTION: The presentation device 100 acquires image data representing a first image and further acquires overlay information in which at least an arrangement position of a second image to be overlayed on the first image for masking or highlight-displaying at least a part of the first image is recorded beforehand. When overlay information corresponding to image data is acquired, a first image represented by the image data is output after overlaying a second image thereon based on the acquired overlay information. When an operation for deleting the second image is received, the presentation device 100 deletes the second image and outputs the first image. COPYRIGHT: (C)2011,JPO&INPIT
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