Fig. 4
From: An automatic method to detect and track the glottal gap from high speed videoendoscopic images
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12938-015-0096-3/MediaObjects/12938_2015_96_Fig4_HTML.gif)
\(TIV_{r}\) for 100 frames. The video sequence presents a glottal chink and the glottis is split into two, illustrating one of the most demanding cases. The HSDI is rotated in horizontal position for a better visualization