If a 3d scan is really hi res with sharp edges Zbrush Zremesher with "detect edges" on does pretty nice job actually without much of spiraling edge loops. As well as 3d max one. The issue are things like blades with triangle profile where it can't recognize the cutting edge . Boxes and cylinders with holes are often sort…
For context, my job involves taking 3d scans of furniture and retopping them to a more useable, renderable state. We do not however bring in or use colour scan data due to how a single piece of furniture will have numerous kinds of materials applied to it. Naturally this is tedious. There are numerous ways to speed things…