| 摘要 |
A method of surveilling a subject including a person's body may include or an imaging system may provide interrogating the subject with electromagnetic radiation, and generating, from the interrogating, image data representative of at least a first image of at least a portion of the person's body. In some examples, a first portion of the body may be identified, and a first feature of the image may be determined based at least partially on the identified portion of the body. In some examples, the orientation of the person's body may be determined from one or more features of one or more image portions. In some examples, a portion of the image of the person's body may be replaced with a substitute image portion.
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