Figure 1From: A magnetic resonance imaging study on the articulatory and acoustic speech parameters of Malay vowels (a) One of the MRI frames of male subject investigated in this study; (b) the cavities obtained after the preprocessing operations; (c) a shape obtained from the oral cavity to provide the initial points of the active contour; and (d) the initial points of the active contour (lower in red and upper in yellow). Back to article page