Chapter 13

X-Ray and Computed Tomography


So far we have covered the basics of Python, its scientific modules, and image processing techniques. In this chapter, we begin our journey of learning image acquisition. We will begin the discussion with x-ray generation and detection. We will discuss the various modes in which x-ray interacts with matter. These methods of interaction and detection have resulted in many modes of x-ray imaging such as angiography, fluoroscopy, etc. We complete the discussion with the basics of CT, reconstruction, and artifact removal.


X-rays were discovered by Wilhelm Conrad Ro¨ntgen, a German physicist, during his experiment with cathode ray tubes. He called these mysterious rays “x-rays,” ...

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