Artifacts in CT: recognition and avoidance.

By J. F. Barrett, N. Keat. Radiographics, 2004

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Metal artifact reduction by dual energy computed tomography using monoenergetic extrapolation (2011, background): “Studies have shown that Titanium is the least obtrusive metal [4] and that artefacts increase with thickess of the implant and angulation to the long axis of the gantry, while high tube voltage and current as well as narrow collimation decrease artefacts [1].”
A comparison of multi-scale 3D X-ray tomographic inspection techniques for assessing carbon fibre composite impact damage (2013, methodology): “Whilst the viability of strategies for local ROI imaging in CT is demonstrated in this paper, compromises remain in balancing signal-to-noise ratio and artefacts - such as streaking, ring artefacts and beam hardening - in the imaging and reconstruction process [28, 40].”
CT artifacts: Causes and reduction techniques (2012, background): “Despite popular belief [36, 37], moving an object far outside the field of view does not necessarily create new artifacts.”