How is image quality defined in the context of computed tomography?

In the context of computed tomography, image quality is predominantly defined by how accurately the images represent the actual anatomical structures they depict. This is largely tied to the image's usefulness in facilitating accurate diagnoses. When a CT image closely resembles the real object or structure, clinicians can better interpret the data, leading to more reliable clinical decisions.

While other factors, such as resolution, noise, and field of view, certainly influence the overall image quality, the fundamental definition incorporates the accuracy and diagnostic utility of the images. High-quality images should enable healthcare professionals to identify pathologies or abnormalities effectively, thereby enhancing patient care.