| 摘要 |
An image processing device according to the present invention comprises an image input unit, a statistical information updater and a background image generator, and generates a background image from an input image. The image input unit sequentially inputs continuous input images. The statistical information updater generates statistical information, which indicates the frequency of occurrence of a statistical quantity in each pixel of the input image, based on the input image from the image input unit. The background image generator generates a background image by selecting in the statistical information a statistical quantity whose frequency of occurrence is the highest for each pixel.
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