Figure 13
From: In-SEM micro-machining reveals the origins of the size effect in the cutting energy

(a) Image filters panel; (b–f) ROIs on the cutting tool (left) and on the workpiece (right) processed by different filters—(b) without image filtering, (c) Hanning filter, (d) Sobel filter, (e) 3 × 3 kernel high pass filter, (f) 5 × 5 kernel high pass filter.