Introduction to Photometric Stereo: 1 – The Basics

Photometric Stereo is a method for capturing the shape of a surface using the shading differences from lighting conditions, which provides pixel-resolution surface normal maps, meaning the only limit to spatial resolution is that of the camera itself. It has the added advantage that it separates the aesthetic texture (albedo) of the surface from the underlying surface shape – it can essentially see through camouflage!

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