Imaging test is a process that provides comprehensive images of body parts on a macroscopic level. Imaging tests employ a variety of energy sources like radio waves, radioactive substances, ultrasound, and X-rays. Image processing is used to understand the detailed condition of an ailment, treatment planning, or monitor the efficacy of treatment. Computed tomography (CT), mammography, ultrasonography, magnetic resonance imaging (MRI), and nuclear medicine exams are some popular types of imaging tests.