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Computers Useful in Lip-Reading
The research team from University of East Anglia compared the performance of a machine-based lip-reading system with that of 19 human lip-readers.
They found that the automated system significantly outperformed the human lip-readers - scoring a recognition rate of 80 per cent, compared with only 32 per cent for human viewers on the same task.
Unlike the traditional approach to lip-reading training, where viewers are taught to spot key lip-shapes from static (often drawn) images, the new video-based training system significantly improved their ability to lip-read monosyllabic words.
"This pilot study is the first time an automated lip-reading system has been benchmarked against human lip-readers and the results are perhaps surprising," said the study's lead author Sarah Hilder.
"With just four hours of training it helped them improve their lip-reading skills markedly.
"We hope this research will represent a real technological advance for the deaf community," she added.
"This research confirms how difficult the vital skill of lip-reading is to learn," said Agnes Hoctor, campaigns manager at the RNID.
"We would welcome the development of video-based or online training resources to supplement the teaching of lip-reading.
"Hearing loss affects 55 per cent of people over 60 so, with the ageing population, demand to learn lip-reading is only going to increase," Hoctor added.
The findings were presented at the eighth International Conference on Auditory-Visual Speech Processing.
Source-ANI
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