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School of Electrical Engineering and Computing
Department of Computer Science and Engineering
By:
Worku Jifara (PhD)
Outlines
• Deep Learning
• What?
• Models
• How?
• Difference with Machine Learning
• Introduction to Convolutional Neural Networks
Deep Learning?
• History…………………….
-The study of deep learning was first theorized in the 1980s.
….about 40 years older.
-In 2017/18, deep learning is one of the top 10 technology breakthrough by MIT
Deep Learning?
• Deep learning is part of a broader family of machine
Learning methods based on artificial neural
networks with representation learning. Learning can
be supervised, semi-supervised or unsupervised.
• Deep Learning is a subfield of machine learning concerned
with algorithms inspired by the structure and function of the
brain called artificial neural networks.
• Deep learning is a machine learning technique that teaches
computers to do what comes naturally to humans.*
• Deep learning, a powerful set of techniques for learning in
neural networks. (general sense)
Why Deep Learning matters?
***Deep learning achieves recognition accuracy at higher levels than ever
before.
So how does deep learning attain such impressive? Why not attain good result in
early 1980s?
While deep learning was first theorized in the 1980s, there are two main reasons
it has only recently become useful:
Why Deep Learning matters?
1. Deep learning requires large amounts of labelled data.
Why Deep Learning matters?
2. Deep learning requires substantial computing power.
Examples of Deep Learning at Work
• Automated Driving
• Aerospace and Defense
• Medical Research
• Industrial Automation
• Electronics
How Deep Learning Works
Most deep learning methods use neural network architectures, which is why
deep learning models are often referred to as deep neural networks.
The term “deep” usually refers to the number of hidden layers in the neural
network. Traditional neural networks only contain 2-3 hidden layers, while deep
networks can have as many as 150.
Deep Learning?
• There are some basic deep learning models/architectures:
Deep neural networks,
Deep belief networks,
Recurrent neural networks
Convolutional neural networks etc.
What's the Difference Between Machine Learning and Deep Learning?
Deep learning is a specialized form of machine learning.
A machine learning workflow starts with relevant features being manually extracted
from images.
The features are then used to create a model that categorizes the objects in the image.
With a deep learning workflow, relevant features are automatically extracted from
images. In addition, deep learning performs “end-to-end learning” – where a network is
given raw data and a task to perform, such as classification, and it learns how to do this
automatically.
What's the Difference Between Machine Learning and Deep Learning?
• Another key difference is deep learning algorithms scale with data, whereas
shallow learning converges. Shallow learning refers to machine learning
methods that plateau at a certain level of performance when you add more
examples and training data to the network.
• A key advantage of deep learning networks is that they often continue to
improve as the size of your data increases.
• In machine learning, you manually choose features and a classifier to sort
images. With deep learning, feature extraction and modelling steps are
automatic.
Choosing Between Machine Learning and Deep Learning
-You need to consider your data and materials
How to Create and Train Deep Learning Models
• Training from Scratch
• Transfer Learning
Computer Vision labratory  of stud_L4 (2).pptx

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Computer Vision labratory of stud_L4 (2).pptx

  • 1. School of Electrical Engineering and Computing Department of Computer Science and Engineering By: Worku Jifara (PhD)
  • 2. Outlines • Deep Learning • What? • Models • How? • Difference with Machine Learning • Introduction to Convolutional Neural Networks
  • 3. Deep Learning? • History……………………. -The study of deep learning was first theorized in the 1980s. ….about 40 years older. -In 2017/18, deep learning is one of the top 10 technology breakthrough by MIT
  • 4. Deep Learning? • Deep learning is part of a broader family of machine Learning methods based on artificial neural networks with representation learning. Learning can be supervised, semi-supervised or unsupervised. • Deep Learning is a subfield of machine learning concerned with algorithms inspired by the structure and function of the brain called artificial neural networks. • Deep learning is a machine learning technique that teaches computers to do what comes naturally to humans.* • Deep learning, a powerful set of techniques for learning in neural networks. (general sense)
  • 5. Why Deep Learning matters? ***Deep learning achieves recognition accuracy at higher levels than ever before. So how does deep learning attain such impressive? Why not attain good result in early 1980s? While deep learning was first theorized in the 1980s, there are two main reasons it has only recently become useful:
  • 6. Why Deep Learning matters? 1. Deep learning requires large amounts of labelled data.
  • 7. Why Deep Learning matters? 2. Deep learning requires substantial computing power.
  • 8. Examples of Deep Learning at Work • Automated Driving • Aerospace and Defense • Medical Research • Industrial Automation • Electronics
  • 9. How Deep Learning Works Most deep learning methods use neural network architectures, which is why deep learning models are often referred to as deep neural networks. The term “deep” usually refers to the number of hidden layers in the neural network. Traditional neural networks only contain 2-3 hidden layers, while deep networks can have as many as 150.
  • 10. Deep Learning? • There are some basic deep learning models/architectures: Deep neural networks, Deep belief networks, Recurrent neural networks Convolutional neural networks etc.
  • 11. What's the Difference Between Machine Learning and Deep Learning? Deep learning is a specialized form of machine learning. A machine learning workflow starts with relevant features being manually extracted from images. The features are then used to create a model that categorizes the objects in the image. With a deep learning workflow, relevant features are automatically extracted from images. In addition, deep learning performs “end-to-end learning” – where a network is given raw data and a task to perform, such as classification, and it learns how to do this automatically.
  • 12. What's the Difference Between Machine Learning and Deep Learning? • Another key difference is deep learning algorithms scale with data, whereas shallow learning converges. Shallow learning refers to machine learning methods that plateau at a certain level of performance when you add more examples and training data to the network. • A key advantage of deep learning networks is that they often continue to improve as the size of your data increases. • In machine learning, you manually choose features and a classifier to sort images. With deep learning, feature extraction and modelling steps are automatic.
  • 13. Choosing Between Machine Learning and Deep Learning -You need to consider your data and materials How to Create and Train Deep Learning Models • Training from Scratch • Transfer Learning

Editor's Notes

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