How can eliminate or reduce the streak artefact in ct scan?

Question

Some times the images of ct scan give artefacts that affect the images that we want to see. Especially the streak artefact. How can eliminate or reduce that artefact.

Answer 1

Volume Rendering Spiral CT minimises streak artefact.

Some authors are trying temporal digital subtraction to reduce streak artefact.

The rest of them just say look at the monitor and work it out!