What is the purpose of image reconstruction in CT scanning?

Image reconstruction in CT scanning serves the essential function of creating three-dimensional models from the two-dimensional slice data acquired during the scanning process. During a CT scan, the X-ray tube rotates around the patient, capturing multiple cross-sectional images. These images are essentially thin slices of the body, and each slice provides critical information about the structures within.

The reconstruction process takes these individual 2D slices and uses advanced algorithms to synthesize them into a cohesive 3D representation of the scanned area. This allows healthcare professionals to visualize complex anatomical structures, assess pathologies, and plan surgical interventions with greater accuracy. Additionally, the 3D models facilitate better understanding for both practitioners and patients, improving communication and decision-making.

The other options are valuable in their own contexts, but they do not represent the primary purpose of image reconstruction. Enhancing the color of images pertains more to post-processing rather than reconstruction. Reducing radiation exposure focuses on optimizing scan parameters and techniques during the scanning process, rather than the reconstruction phase. Higher resolution scans are influenced by factors like detector technology and scanning protocols rather than being an inherent goal of the reconstruction process itself.