Image sensing apparatus
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Abstract
An image sensing apparatus including an X-ray image sensing unit having a non-destructive read function, adapted to sense an oject image, and a subtractor adapted to sequentially output as a corrected value a difference between a plurality of frames sequentially read out non-destructively from the X-ray image sensing unit and a frame read out before the plurality of frames.
24 Citations
20 Claims
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1-11. -11. (canceled)
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12. An image pickup apparatus comprising:
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image pickup means for picking up an object image, wherein the image pickup means is arranged to be non-destructively readable;
driving means for driving said image pickup means so that a first frame image picked up by said image pickup means is read out therefrom when a first time period elapses after said image pickup means is reset, a second frame image picked up by said image pickup means is read out therefrom when a second time period elapses after the first time period, and a third frame image picked up by said image pickup means is read out therefrom when a third time period elapses after the second time period, wherein said image pickup mean is not reset during each of the first, second and third time periods; and
subtraction means for effecting a subtraction process between the first and second frame images, and for effecting a subtraction process between the second and third frame images, so that frame images resulting from the subtraction processes are sequentially output. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification