| 摘要 |
An accumulation buffer is cleared (S501), an real image is input (S502), a color buffer is cleared (S503), and the real image is drawn in the color buffer (S504). Then the viewpoint (including parameters concerning the viewpoint) and the view volume of a virtual camera is set (S505) and a computer graphics image is drawn in the color buffer (S506). Then each pixel value of the image in the color buffer is scaled by a factor of 1/N (S507) and the scaled image is added to the accumulation buffer (S508). The process from step S503 to step S508 is repeated N times (S509) by moving the viewpoint position at step S505. An averaged image provided by averaging, on a pixel basis, N combined images stored in the accumulation buffer is output (S510).
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