Speech Recognition
Translators - translates from one language to another
Phone booking Systems - for payment of bills, ticketing information etc
Voice Commands - for secure entry and for controlling computer systems with spoken commands
Affected by background noise, slang, different accents, if someone has the cold or a sore throat or speaks to quickly, ambigous sentences.
Must be trained to recognise your voice
Handwriting Recognition
built into palmtops and smart phones
can recognise your handwriting and turn it into typed text
Must be trained to recognise your handwriting
Expert Systems
A system that recommends advice based on the answers you give to questions it asks you on its limited domain
+++ 24/7, combined knowledge of several experts, can explain and justify its decisions, consistent results
--- narrow domain, loss of jobs, no common sense
Examples - NHS 24/7 for medical advice, Whale Watcher - identify which whale you have seen, Legal Advice ....
Artificial Neural Systems
A electronic model of the human brain made up of thousands of simple interconnected processors
must be trained to do its job.
Learning to read postcodes to sort mail
Included in vision/speech/handwriting recognition
Stock Market Trend Predictions
Weather Prediction
++ more accurate and reliable, capable of learning and improving
-- cesigned for one specific task, cant explain its reasoning
Vision Recognition
Attempt to recognise and understand images
Uses include - satellite photo interpretation for military and weather
industry to check items on assembly line, airport security to recognise criminals etc
difficulties incliude - image could be blurred, objects could be in shadow, too many objects, object could be missing/unclear/distorted or you may only see part of an image from an unfamiliar angle
Intelligent Robots
robots which dont carry out simple programming, they can think and plan for themselves, can learn from mistakes and can adapt to new situations
uses include - space exploration, under water explanation, bomb disposal
Monday, 28 March 2011
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