Multiscale Distance Coherence Vector Algorithm for Content-Based Image Retrieval

Figure 4

The evolution of image contour curve. (a) Original image; (b) the evolution of contour curve when 𝜎=1; (c) the evolution of contour curve when 𝜎=5; (d) the evolution of contour curve when 𝜎=20; (e) the evolution of contour curve when 𝜎=50; (f) the evolution of contour curve when 𝜎=70.

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