| 摘要 |
A representation of an amount of energy incident on a radiation sensor formed from multiple sensing elements coupled together along a direction parallel to a direction of propagation of the incident radiation is received. The radiation sensor has an adjustable border positioned between any two of the multiple sensing elements. From the representation, an amount of energy incident on the radiation sensor is determined. A position of the border is selected based on the amount of energy incident on the radiation sensor. After selecting the position of the border, an absorption characteristic of a region imaged by the radiation sensor is determined.
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