1. Introduction¶
12th, Sept.
1.1. History of AI¶
- Winter
- Rapid development from 80s
- genetic algorithm
- Neural network
- 90s second winter
- Neural network performs bad
1.2. What is intelligence¶
- Theoratically: Feeling, thought, cognition of human
1.3. Application¶
- Problem solution: Go
- NLP: speech recognition
- CV
- Robotics
- Data mining
Problem solution¶
- Chess
- 1962: program beats human in checkers
- 1991: Deep Thought 2 1:1 Champion in Australia
- 1996: Deep Blue 2:4 Chess master
- 1997: Deeper Blue 3.5:2.5 Chess master
- 2015: AlphaGo 5:0 Europe champion
NLP¶
- Speech synthesis (text-to-speech)
- Phoneme, sentence
- Well studied
- Rich expression
- Individuation
- Speech recognition
- Difficulties: large vocabulary, no specific person, continuous speech (eg: tian an men)
- Dialect
- Product: Google, Microsoft, Baidu, iflytek
- Understanding
- Word processing
- Paragraph processing
- Pronoun replace