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发明授权
US07542074B2 Photographed image projection device which sets a frame frequency of photographing by a camera based on movement in a photographed image 有权
拍摄图像投影装置，其基于拍摄图像中的移动设定由相机拍摄的帧频率

Photographed image projection device which sets a frame frequency of photographing by a camera based on movement in a photographed image
摘要：
A computer obtains a change amount of an image of a manuscript. If the change amount of the image of the manuscript is equal to or larger than a predetermined threshold, the computer determines that the image has movement, such as in a case where the manuscript is replaced, and switches the resolution of the image, which is possible to shorten the processing time, to low resolution. In a case where the manuscript is placed on a base, if the change amount of the image of the manuscript is less than the predetermined threshold, and the computer determines that the image does not have movement, the computer switches the resolution of the image to high resolution.
摘要（中）：

计算机获得原稿的图像的变化量。 如果原稿的图像的变化量等于或大于预定阈值，则计算机确定图像具有移动，例如在更换原稿的情况下，并且切换图像的分辨率，即 可能缩短处理时间，降低分辨率。 在原稿放置在基座的情况下，如果原稿的图像的变化量小于预定阈值，并且计算机确定图像不具有移动，则计算机将图像的分辨率切换为 高分辨率。

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