What's Machine Learning?
You can ask computer to do lots of things for you
However, computer can only do what you ask it to do
Computer can never solve the problem you can't solve

Some tasks are very complex
One day, you are asked to write a program for speech recognition
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Let the machine lear by itself
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Learning ≈ Looking for a Function

Speech Recognition
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Handwritten Recognition
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Weather forecast
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Play video games
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Framework
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This Course
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Deep Learning
What is Deep Learning?
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Deep v.s. Shallow

  • Speech Recognition
    Shallow Approach
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Deep Learning
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-Image Recognition
Shallow Approach
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Deep Learning
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Deep learning usually referred to neural network based approach

Inspired from Human Brains
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A Neuron for Machine
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Cascading the neurons to form a neural network
Each layer is a simple function in the production line
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Ups and downs of Deep Learning
......

Why Deep Learning?
Deeper is Better
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Why Deeper is Better?
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Universality Theorem
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Fat + Short v.s. Thin + Tall
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Hand-writing digit classification
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