Deep Learning: GANs and Variational Autoencoders

Generative Adversarial Networks and Variational Autoencoders in Python, Theano, and Tensorflow

Generative AI
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  • All levels
  • 56 Lectures
  • 7h 51m
  • English
  • Lifetime access, certificate of completion (shareable on LinkedIn, Facebook, and Twitter), Q&A forum, subtitles in English
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Course Description

Variational autoencoders and GANs have been 2 of the most interesting developments in deep learning and machine learning recently.

Yann LeCun, a deep learning pioneer, has said that the most important development in recent years has been adversarial training, referring to GANs.

GAN stands for generative adversarial network, where 2 neural networks compete with each other.

What is unsupervised learning?

Unsupervised learning means we’re not trying to map input data to targets, we’re just trying to learn the structure of that input data.

Once we’ve learned that structure, we can do some pretty cool things.

One example is generating poetry - we’ve done examples of this in the past.

But poetry is a very specific thing, how about writing in general?

If we can learn the structure of language, we can generate any kind of text. In fact, big companies are putting in lots of money to research how the news can be written by machines.

But what if we go back to poetry and take away the words?

Well then we get art, in general.

By learning the structure of art, we can create more art.

How about art as sound?

If we learn the structure of music, we can create new music.

Imagine the top 40 hits you hear on the radio are songs written by robots rather than humans.

The possibilities are endless!

You might be wondering, "how is this course different from the first unsupervised deep learning course?"

In this first course, we still tried to learn the structure of data, but the reasons were different.

We wanted to learn the structure of data in order to improve supervised training, which we demonstrated was possible.

In this new course, we want to learn the structure of data in order to produce more stuff that resembles the original data.

This by itself is really cool, but we'll also be incorporating ideas from Bayesian Machine Learning, Reinforcement Learning, and Game Theory. That makes it even cooler!

Thanks for reading and I’ll see you in class. =)



Suggested Prerequisites:

  • Calculus
  • Probability
  • Object-oriented programming
  • Python coding: if/else, loops, lists, dicts, sets
  • Numpy coding: matrix and vector operations
  • Linear regression
  • Gradient descent
  • Know how to build a feedforward and convolutional neural network in Theano and TensorFlow


Tips for success:

  • Use the video speed changer! Personally, I like to watch at 2x.
  • Take handwritten notes. This will drastically increase your ability to retain the information.
  • Write down the equations. If you don't, I guarantee it will just look like gibberish.
  • Ask lots of questions on the discussion board. The more the better!
  • Don't get discouraged if you can't solve every exercise right away. Sometimes it'll take hours, days, or maybe weeks!
  • Write code yourself, this is an applied course! Don't be a "couch potato".

Lectures

  • 10 sections
  • 56 lectures
  • 7h 51m total length
Welcome
Preview
04:37
Where does this course fit into your deep learning studies?
05:01
Where to get the code and data
03:52
How to Succeed in this Course
03:04
Tensorflow or Theano - Your Choice!
04:10
What does it mean to Sample?
04:58
Sampling Demo: Bayes Classifier
03:58
Gaussian Mixture Model Review
10:32
Sampling Demo: Bayes Classifier with GMM
03:55
Why do we care about generating samples?
11:21
Neural Network and Autoencoder Review
07:27
Tensorflow Warmup
04:08
Theano Warmup
04:55
Suggestion Box
03:10
Variational Autoencoders Section Introduction
05:40
Variational Autoencoder Architecture
05:58
Parameterizing a Gaussian with a Neural Network
08:01
The Latent Space, Predictive Distributions and Samples
05:14
Cost Function
07:29
Tensorflow Implementation (pt 1)
07:19
Tensorflow Implementation (pt 2)
02:30
Tensorflow Implementation (pt 3)
09:56
The Reparameterization Trick
05:06
Theano Implementation
10:53
Visualizing the Latent Space
03:10
Bayesian Perspective
10:12
Variational Autoencoder Section Summary
04:03
GAN - Basic Principles
05:14
GAN Cost Function (pt 1)
07:24
GAN Cost Function (pt 2)
06:29
DCGAN
07:39
Batch Normalization Review
08:02
Fractionally-Strided Convolution
08:36
Tensorflow Implementation Notes
13:24
Tensorflow Implementation
18:14
Theano Implementation Notes
07:27
Theano Implementation
19:48
GAN Summary
09:44
Theano Basics: Variables, Functions, Expressions, Optimization
07:47
Building a neural network in Theano
09:17
TensorFlow Basics: Variables, Functions, Expressions, Optimization
07:27
Building a neural network in TensorFlow
09:43
What is the Appendix?
03:47
Pre-Installation Check
04:13
Anaconda Environment Setup
20:21
How to install Numpy, Scipy, Matplotlib, Pandas, PyTorch, and TensorFlow
17:33
How to Code Yourself (part 1)
15:55
How to Code Yourself (part 2)
09:24
Proof that using Jupyter Notebook is the same as not using it
12:29
Python 2 vs Python 3
04:38
Is Theano Dead?
10:04
How to Succeed in this Course (Long Version)
10:25
Is this for Beginners or Experts? Academic or Practical? Fast or slow-paced?
22:05
What order should I take your courses in? (part 1)
11:19
What order should I take your courses in? (part 2)
16:07
Where to get discount coupons and FREE AI tutorials
05:49
GAN Tutorial PDF
Variational Autoencoder Tutorial PDF
Pre-trained Style Transfer Network Ready for Use
GAN in Tensorflow 2

Reviews

4.7

38 reviews for this course

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2 Stars
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Testimonials and Success Stories

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H. Z.

Machine Learning Research Scientist
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United States

“I am one of your students. Yesterday, I presented my paper at ICCV 2019. You have a significant part in this, so I want to sincerely thank you for your in-depth guidance to the puzzle of deep learning. Please keep making awesome courses that teach us!”

5.0
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Wade J.

Data Scientist
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United States

“I just watched your short video on “Predicting Stock Prices with LSTMs: One Mistake Everyone Makes.” Giggled with delight.

You probably already know this, but some of us really and truly appreciate you. BTW, I spent a reasonable amount of time making a learning roadmap based on your courses and have started the journey.

Looking forward to your new stuff.”

5.0
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Kris M.

Data Scientist
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United States

“Thank you for doing this! I wish everyone who call’s themselves a Data Scientist would take the time to do this either as a refresher or learn the material. I have had to work with so many people in prior roles that wanted to jump right into machine learning on my teams and didn’t even understand the first thing about the basics you have in here!!

I am signing up so that I have the easy refresh when needed and the see what you consider important, as well as to support your great work, thank you.”

5.0
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Steve M.

Machine Learning Research Scientist
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United States

“I have been intending to send you an email expressing my gratitude for the work that you have done to create all of these data science courses in Machine Learning and Artificial Intelligence. I have been looking long and hard for courses that have mathematical rigor relative to the application of the ML & AI algorithms as opposed to just exhibit some 'canned routine' and then viola here is your neural network or logistical regression.

Your courses are just what I have been seeking. I am a retired mathematician, statistician and Supply Chain executive from a large Fortune 500 company in Ohio. I also taught mathematics, statistics and operations research courses at a couple of universities in Northern Ohio.

I have taken many courses and have enjoyed the journey, I am not going to be critical of any of the organizations from whom I have taken courses. However, when I read a review about one of your courses in which the student was complaining that one would need a PhD in Mathematics to understand it, I knew this was the course (or series of courses) that I wanted. (Having advanced degrees in mathematics, I knew that it was highly unlikely that a PhD would actually be required.)”

5.0
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Saurabh W.

Data Scientist
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India

“Hi Sir I am a student from India. I've been wanting to write a note to thank you for the courses that you've made because they have changed my career. I wanted to work in the field of data science but I was not having proper guidance but then I stumbled upon your "Logistic Regression" course in March and since then, there's been no looking back. I learned ANNs, CNNs, RNNs, Tensorflow, NLP and whatnot by going through your lectures. The knowledge that I gained enabled me to get a job as a Business Technology Analyst at one of my dream firms even in the midst of this pandemic. For that, I shall always be grateful to you. Please keep making more courses with the level of detail that you do in low-level libraries like Theano.”

5.0
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David P.

Financial Analyst
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United States

“I just wanted to reach out and thank you for your most excellent course that I am nearing finishing.

And, I couldn't agree more with some of your "rants", and found myself nodding vigorously!

You are an excellent teacher, and a rare breed.

And, your courses are frankly, more digestible and teach a student far more than some of the top-tier courses from ivy leagues I have taken in the past.

(I plan to go through many more courses, one by one!)

I know you must be deluged with complaints in spite of the best content around That's just human nature.

Also, satisfied people rarely take the time to write, so I thought I will write in for a change. :)”

5.0
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P. C.

Deep Learning Research Scientist
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China

“Hello, Lazy Programmer!

In the process of completing my Master’s at Hunan University, China, I am writing this feedback to you in order to express my deep gratitude for all the knowledge and skills I have obtained studying your courses and following your recommendations.

The first course of yours I took was on Convolutional Neural Networks (“Deep Learning p.5”, as far as I remember). Answering one of my questions on the Q&A board, you suggested I should start from the beginning – the Linear and Logistic Regression courses. Despite that I assumed I had already known many basic things at that time, I overcame my “pride” and decided to start my journey in Deep Learning from scratch.

Course by course, I was renewing the basics and the prerequisites. Thus, in several months, after every day studying under your guidance, I was able to gain enough intuitions and practical skills in order to begin progressing in my research. Having a solid background, it was just a pleasure to read all the relevant papers in the field as well as to make all the experiments needed for achieving my goal – creating a high-performance CNN for offline HCCR.

I believe, the professionalism of any teacher can be estimated by the feedback received from their students, and it’s of the utmost importance for me to thank you, Lazy Programmer!

I want you to know, in spite, that we have never actually met and you haven’t taught me privately, I consider you one of my greatest Teachers.

The most important things I have learned from you (some in the hard way, though) beside many exciting modern Deep Learning/AI techniques and algorithms are:

1) If one doesn’t know how to program something, one doesn’t understand it completely.

2) If one is not honest with oneself about one’s prior knowledge, one will never succeed in studying more advanced things.

3) Developing skills in BOTH Math and Programming is what makes one a good student of this major.

I am still studying your courses, and am certain I will ask you more than just a few technical questions regarding their content, but I already would like to say, that I will remember your contribution to my adventure in the Deep Learning field, and consider it as big as one of such great scientists’ as Andrew Ng, Geoffrey Hinton, and my supervisor.

Thank you, Lazy Programmer! 非常感谢您,Lazy 老师!

If you are interested, you can find my first paper’s preprint here:

https://arxiv.org/abs/xxx”

5.0
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Dima K.

Data Scientist
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Ukraine

“By the way, if you are interested to hear. I used the HMM classification, as it was in your course (95% of the script, I had little adjustments there), for the Customer-Care department in a big known fintech company. to predict who will call them, so they can call him before the rush hours, and improve the service. Instead of a poem, I Had a sequence of the last 24 hours' events that the customer had, like: "Loaded money", "Usage in the food service", "Entering the app", "Trying to change the password", etc... the label was called or didn't call. The outcome was great. They use it for their VIP customers. Our data science department and I got a lot of praise.”

5.0
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Andres Lopez C.

Data Engineer
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United States

“This course is exactly what I was looking for. The instructor does an impressive job making students understand they need to work hard in order to learned. The examples are clear, and the explanations of the theory is very interesting.”

5.0
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Mohammed K.

Machine Learning Engineer
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Germany

“Thank you, I think you have opened my eyes. I was using API to implement Deep learning algorithms and each time I felt I was messing out on some things. So thank you very much.”

5.0
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Tom P.

Machine Learning Engineer
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United States

“I have now taken a few classes from some well-known AI profs at Stanford (Andrew Ng, Christopher Manning, …) with an overall average mark in the mid-90s. Just so you know, you are as good as any of them. But I hope that you already know that.

I wish you a happy and safe holiday season. I am glad you chose to share your knowledge with the rest of us.”

5.0
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