artificial intelligence · artificial intelligence.. is the study of the computations that make it...
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![Page 1: Artificial intelligence · Artificial Intelligence.. Is the study of the computations that make it possible to perceive, reason and act. (Winston1992) .. is the ability of machines](https://reader033.vdocuments.net/reader033/viewer/2022060214/5f0585767e708231d4136005/html5/thumbnails/1.jpg)
Oliver Grau Intel Deutschland GmbHChair ACM Europe TPC, Visiting Professor Surrey University, UK
Artificial intelligenceICDPPC 2018 Side EventDigital Data Flows Master Class: Emerging Technologiesin Association with Future of Privacy Forum
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What is AI? How AI works Challenges
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ArtificialI ntelligence
.. Is the study of thecomputations that make itpossible to perceive, reason and act. (Winston1992)
.. is the ability of machines to learn from experience, without explicit programming, in order to perform cognitive functions associated with the human mind
Artificial Intelligence
Machine learningAlgorithms whose performance improve as they are exposed to
more data over time
Deep learningSubset of machine learning in which
multi-layered neural networks learn from vast amounts of data
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Ai cl ser lookMachine learning Deep Learning reasoning
Algorithms designed to deliver better insight
with more data
Neural networks used toinfer meaning from large
dense datasets
Hybrid of analytics & AI techniques designed to find meaning in diverse datasets
Regression (Linear/Logistic)
Classification (Support Vector Machines/SVM, Naïve Bayes)
Clustering (Hierarchical, Bayesian, K-Means, DBSCAN)
Decision Trees (RandomForest)
Extrapolation (Hidden Markov Models/HMM)
More…
Image Recognition (Convolutional Neural Networks/CNN, Single-Shot Detector/SSD)
Speech Recognition (Recurrent Neural Network/RNN)
Natural Language Processing (Long-Short Term Memory/LSTM)
Data Generation (Generative Adversarial Networks/GAN)
Recommender System (Multi-Layer Perceptron/MLP)
Time-Series Analysis (LSTM, RNN)
Reinforcement Learning (CNN, RNN)
More…
Associative Memory
Rule-based Reasonig (deductive, inductive reasoning)
See also: machine & deep learning techniques
More…
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AIIs the driving force
The path to deeper insight
Descriptive Analytics
Diagnostic Analytics
Predictive Analytics
Prescriptive Analytics
Cognitive Analytics
ForesightWhat Will Happen, When, and Why
HindsightWhat Happened?
InsightWhat Happened and Why?
ForecastHow Should I Proceed?
Self-LearningHow Do I Proceed?
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What is AI? How AI works Challenges
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Building block: Classification for decisions making
?
x1
x2
1
0
x1
x2
1
0
Multi-layer neuralnetworks for morecomplex datadistributions
w1
w2
f(a,b)= 1 if x1*w1+x2*w2+b > 0; 0 otherwise
Linear separator = Perceptron neural network
Extension of data-set causesbias
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Machine Learning
How do you engineer the best
features?
𝑁 × 𝑁
Arjun
NEURAL NETWORK
𝒇𝟏, 𝒇𝟐, … , 𝒇𝑲Roundness of faceDist between eyesNose widthEye socket depthCheek bone structureJaw line length…etc.
CLASSIFIERALGORITHM
SVMRandom ForestNaïve BayesDecision TreesLogistic RegressionEnsemble methods
𝑁 × 𝑁
Arjun
Deep Learning
How do you guide the model to find the best features?
Machine vs. Deep learning
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9
0%
8%
15%
23%
30%
Human
2010 Present
Image recognition
0%
8%
15%
23%
30%
2000 Present
Speech recognitionE
rro
r
Err
or
Human
97% person 99%
“play song”
Source: ILSVRC ImageNet winning entry classification error rate each year 2010-2016 (Left), https://www.microsoft.com/en-us/research/blog/microsoft-researchers-achieve-new-conversational-speech-recognition-milestone/ (Right)
Deep learning breakthroughsMachines able to meet or exceed human image & speech recognition
Tumor Detection
DocumentSorting
Oil & Gas search
VoiceAssistant
Defectdetection
Genome sequencing
e.g.
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Lots of labeled data!
Training
Inference
Forward
Backward
Model weights
Forward“Bicycle”?
“Strawberry”
“Bicycle”?
Error
HumanBicycle
Strawberry
??????
Deep learning Basics
Data set size
Acc
ura
cy
Did you know?Training with a large
data set AND deep (many layered) neural network
often leads to the highest accuracy inference
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What is AI? How AI works Challenges
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Challenges in Automated Driving
Detect objects
Camera image Semantic segmentation
AI
AutomatedControl–
driving policy
AI ?
• Biggest question: Is it safe?
• Neural networks arenot deterministic! How do they work?
• Would you learn a driving policy? Fromwhom?
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Understanding Deep Networks
Learning Deep Features for Discriminative LocalizationBolei Zhou Aditya Khosla Agata Lapedriza Aude Oliva Antonio TorralbaMassachusetts Institute of Technology
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Societal Challenges
• AI need lots of data to work: Privacy if data from public required• Trust of AI methods in general because of lack in understanding
the underlying principles
Training
Camera image
Semantic segmentationAI
Training data
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Summary
• ML-based AI methods, in particular neural networks rely on training data
+ perfectly adapt to a task+ outperforms many traditional methods- problems with biased data- lack of explainability
• Societal and commercial challenges
• Unbiased data
• Privacy vs. Rich data sets of everything
• New products must solve: Trust, regulatory obligations, Safety
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Further reading
• ACM Europe Technical Policy Committee (was EUACM): When Computers Decide: European Recommendations on Machine-Learned Automated Decision Making, Informatics Europe & EUACM, 2018.
Thank you!
Contact: [email protected]