Fletcher-Munson contour (=equal loudness contour)

(active) contour model

2-D contour

2D contour end milling

2D contour milling

3D contour

3-D contour

3D fluorescence contour

3-D fluorescent contour

400mm rainfall contour

a single-pixel-width contour of the object

a smooth open contour

abandonment contour

Abnormal Spectrum Contour

active contour

active contour evolution

active contour fish

active contour method

Active Contour Model

active contour model snake