What is another term commonly used for raw data in CT imaging?

In the context of CT imaging, raw data is commonly referred to as scan data. This term denotes the initial information collected by the CT scanner during the imaging process before any processing or reconstruction has taken place. Scan data consists of the measurements taken by the detector from the X-ray beams as they pass through the body.

Once this scan data is acquired, it undergoes various processing steps to create visual representations, or images, of the internal structures of the body. The unprocessed nature of scan data is crucial because it allows for flexibility in how the data is later manipulated to enhance image quality or to perform additional analyses.

The other terms, while related to CT imaging, do not accurately describe raw data. Image data refers to the visual image produced after reconstruction, while reconstructed data and processed data indicate stages of data that have been altered or adjusted for viewing, differing from the original unaltered scan data.