Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.
-
Upload
nathalie-abbot -
Category
Documents
-
view
231 -
download
0
Transcript of Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.
![Page 1: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/1.jpg)
1
Princess Nora University
Artificial Intelligence
Artificial Neural Network (ANN)
![Page 2: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/2.jpg)
2
Neural Network
![Page 3: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/3.jpg)
3
![Page 4: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/4.jpg)
4
![Page 5: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/5.jpg)
5
![Page 6: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/6.jpg)
6
![Page 7: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/7.jpg)
7
![Page 8: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/8.jpg)
8
![Page 9: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/9.jpg)
9
![Page 10: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/10.jpg)
10
![Page 11: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/11.jpg)
11
![Page 12: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/12.jpg)
12
Perceptron
![Page 13: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/13.jpg)
13
![Page 14: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/14.jpg)
14
![Page 15: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/15.jpg)
15
![Page 16: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/16.jpg)
16
![Page 17: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/17.jpg)
17
![Page 18: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/18.jpg)
18
![Page 19: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/19.jpg)
19
![Page 20: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/20.jpg)
20
![Page 21: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/21.jpg)
21
![Page 22: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/22.jpg)
22
![Page 23: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/23.jpg)
23
![Page 24: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/24.jpg)
24
![Page 25: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/25.jpg)
25
![Page 26: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/26.jpg)
26
![Page 27: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/27.jpg)
27
![Page 28: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/28.jpg)
28
![Page 29: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/29.jpg)
Artificial Neural Networks
• When using ANN, we have to define:
– Artificial Neuron Model
– ANN Architecture
– Learning mode
![Page 30: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/30.jpg)
Developing Intelligent Program Systems
Machine Learning : Neural Nets
Neural nets can be used to answer the following:
– Pattern recognition: Does that image contain a face?
– Classification problems: Is this cell defective?
– Prediction: Given these symptoms, the patient has disease X
– Forecasting: predicting behavior of stock market
– Handwriting: is character recognized?
![Page 31: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/31.jpg)
Artificial Neural NetworkLearning paradigms
• Supervised learning: – Teacher presents ANN input-output pairs, – ANN weights adjusted according to error
• Classification• Control• Function approximation• Associative memory
• Unsupervised learning:
– no teacher
• Clustering
![Page 32: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/32.jpg)
ANN capabilities
• Learning• Approximate reasoning• Generalisation capability• Noise filtering• Parallel processing• Distributed knowledge base• Fault tolerance
![Page 33: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/33.jpg)
Main Problems with ANN
• Contrary to Expert sytems, with ANN the Knowledge base is not transparent (black box)
• Learning sometimes difficult/slow
• Limited storage capability
![Page 34: Princess Nora University Artificial Intelligence Artificial Neural Network (ANN) 1.](https://reader035.fdocuments.us/reader035/viewer/2022081504/551bbb78550346b9588b46ee/html5/thumbnails/34.jpg)
When to use ANNs?• Input is high-dimensional discrete or real-valued (e.g. raw sensor input).
• Inputs can be highly correlated or independent.
• Output is discrete or real valued
• Output is a vector of values
• Possibly noisy data. Data may contain errors
• Form of target function is unknown
• Long training time are acceptable
• Fast evaluation of target function is required
• Human readability of learned target function is unimportant
⇒ ANN is much like a black-box