How Do We Define "Roughness?"

"Roughness" can mean a lot of things, but in surface texture analysis, it has a very specific meaning.
In this short video, we look at how 2D and 3D surface texture data can be filtered down to a band of spatial wavelengths that we can analyze as “surface roughness.” It’s a fundamental concept of surface texture analysis, and the basis for our upcoming videos on surface roughness measurement as well.