Detector fog is also known as?

Detector fog refers to a phenomenon that occurs in imaging modalities where there is a persistent background signal present, which can obscure the visibility of true anatomical structures in the images. This unwanted signal can be attributed to various factors, including electronic noise and improper calibration of the imaging detectors.

"Dark noise" is a term that specifically describes random variations in the signal that occurs even in the absence of an actual input image, similar to how film can exhibit fog under certain conditions. In the context of digital imaging, dark noise can contribute to the overall fogging effect seen in the final image output, masking details and affecting the diagnostic quality.

Understanding this terminology is essential, as it helps technicians and radiologists identify and manage image quality issues effectively. By recognizing that detector fog is synonymous with dark noise, professionals in the field can take specific steps to mitigate its effects, such as ensuring proper calibration of imaging equipment and utilizing noise reduction techniques.