| 摘要 |
<p num="1"><br/><br/><br/>The invention relates to a method and a corresponding device with which images <br/>(A, B) for the same sensing range, however in different wavelength ranges (P, <br/>N1, N2), are recorded at the same time or about the same time, and with which <br/>a signal to be detected is recorded for an image (A) serving as a P-image, and <br/>the wavelength of the signal is suppressed for an image (B) serving as an N-<br/>image. The intensity of the background in the P-image (A) is deduced from the <br/>N-image (B) while using a model for the interfering radiation or background <br/>radiation (2). The position of the signal to be detected is determined by <br/>comparing the image contents of the P-image (A) and the background image (C) <br/>derived from the N-image (B).<br/>
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