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Physical Linguistic Models for Lips

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Detect Lips/Mouth from Images

This is a component of the PL Image Understanding Engine
This lip detector (lip locating software) can be used to locate lips from images at different orientations and with different poses. Since this component locates a couple of lips at the same time, it is also a mouth detector (mouth locator, mouth detection software).
This lip/mouth detector can detect from north, east, south and west simultaneously in real-time from video steams with the normal laptop/desktop computers available to the market currently. This technology can be used to detecting and tracking lips from a webcam connected to a PC.
Project began in Dec. 2005. Developing status: ACTIVE. Release status: ALPHA.

Results

Lips on closed mouth


This is also a closed-mouth detector (closed-mouth detection software).



The Brief Growing-up History of PL Lip/Mouth Detectors.



Since the computational cognition ability of the physical linguistic image processing engine, each PL vision detector is evolving overtime based on its performance in real-life applications, therefore, we present some brief snapshot of the evolution of this PL visual detector at different growing stages. By inspecting the growing processes of PL vision detectors, we can observe the highly scaled-up abilities of PL vision detectors under constant updating and developing by Yang's Scientific Research Institute.

Stage 1: Finished on December 23, 2005. Only four directions of closed mouths can be detected with some false alarms.



Stage 2: Finished on January 7, 2006. Only four directions of closed mouths can be detected with lower false-alarm rate.



Lips on open mouth


This is also an open-mouth detector (open-mouth detection software).




For more information on this technology, please send your request to

releated links

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This technology can be used in many applications including: lip segmentation, lip reading, visual/sound language understanding, lip click for visual mouse, lip tracking, mouth detection, mouth segmentation, mouth extraction, mouth detection, mouth tracking, facial expression detection, visual emotion understanding.

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