Product category: Embedded Software and Operating Systems
News Release from: Intel Corporation | Subject: AVSR software
Edited by the Electronicstalk Editorial Team on 5 May 2003
Vision software improves speech recognition
Intel has released software under an open-source licence that allows developers to build computers that see and "read lips" the way humans do to better understand spoken commands
Today's powerful speech recognition algorithms work well when background noise is eliminated or a well-tuned headset is used, but their accuracy rapidly degrades when applications have to cope with naturally noisy environments, such as public places. Combined with face detection algorithms from Intel's OpenCV computer vision library, Audio Visual Speech Recognition (AVSR) software enables computers to detect a speaker's face and track their mouth movements.
This article was originally published on Electronicstalk on 5 May 2003 at 8.00am (UK)
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Synchronising video data with speech identification enables much more accurate speech recognition, enhancing a wide variety of speech applications in noisy environments.
The AVSR software is part of Intel's OpenCV computer vision library, a toolbox of more than 500 imaging functions that helps researchers develop computer vision applications.
"Intel wants to develop technology that allows computers to naturally interact with the world the way humans do.
Human recognition is seldom based on a single type of information.
We make decisions by combining information from a variety of sources", said Justin Rattner, Intel Senior Fellow, Enterprise Platform Group and Director of Intel's Microprocessor Research Labs.
"The addition of Audio/Video Speech Recognition code to Intel's OpenCV library is certain to drive research and development in vision-assisted speech recognition".
Faster microprocessors, falling camera prices and ten times more video capture bandwidth from technologies like USB2 are all enabling real-time computer vision algorithms to run on mainstream PCs.
OpenCV is designed to increase innovation in this field by providing source code for a wide range of computer vision and imaging functions.
Since its release in 2000, OpenCV has seen over 500,000 downloads of code and has attracted more than 5000 registered members to its user group.
Developers are using OpenCV code in applications ranging from toys to industrial manufacturing.
The software includes C source code for all of the library's functionality and a royalty-free redistribution licence.
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