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Figure 2 | Journal of NeuroEngineering and Rehabilitation

Figure 2

From: Infrared thermography as an access pathway for individuals with severe motor impairments

Figure 2

The action of the different modules of the mouth opening detection algorithm. (a) Input thermal video frame, (b) Segmented face region, (c) Warm facial zones, (d) Moving facial zones, (e) Intersection of warm and moving objects within the face region, (f) After morphological, size variation, and anthropometric filtering, (g) Final output; detected mouth open is highlighted on the original video with a hollow box.

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