In audio visual speech recognition and lipreading, the widely used ASM (Active Shape Model) for lip contour extraction suffers from the lack of robustness and cannot extract the exact lip contours due to the various mouth shape changes when uttering.
提出了一种用于听视觉语音识别的基于 MASM的口形轮廓提取方法 ,这种方法只需要少量的训练数据就可以实现对大量口形轮廓的准确提取。