| 摘要 |
An object (130) to be imaged is positioned between an x-ray source (100) and an x-ray imager (140). The x-ray source (100) is operated to direct x-rays (120) through and around the object (130). Electrical signals representative of the intensity of the x-rays (120) impinging on the x-ray imager (140) are used to locate a boundary of the object (130), and an x-ray image is generated using this boundary. Alternatively or additionally, an x-ray image is generated using the highest frequency magnitude in the set of electrical signals.
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