The Total Introductory Guide to Deep Learning

Deep learning teaches computers to learn by doing, just like people do. It is the driving force behind innovations like self-driving automobiles, enabling them to identify pedestrians from other roadside items.

Computer models can learn to categorize tasks with a high degree of accuracy straight from sound, text, or graphics. A sizable collection of labeled data and multi-layered neural network designs are used to train deep learning models.

In this manual, we’ll discuss:

  • How is deep learning implemented?
  • Developing and putting to use deep learning models
  • An overview of deep learning’s history
  • Machine learning versus deep learning
  • Deep learning software

How is Deep Learning Implemented? - The Total Introductory Guide to Deep Learning - How is Deep Learning Implemented

By mixing weights, data inputs, and bias, deep learning neural networks attempt to mimic how the human brain functions. Together, these three parts may identify, categorize, and describe things in data.

These networks consist of a number of interconnected layers, each of which builds on the one before it in order to improve and enhance a prediction or classification. We refer to this as forward propagation. The input layer is where the model ingests data for processing, and the output layer is where the final classification or prediction is formed. Both the input and output layers are referred to as visible layers.

Data is a very important facet of deep learning. In order for our data to be handled correctly, edge computing is utilized. Click here to learn more about edge computing: The Full Guide to Edge Computing

Algorithms are applied during backpropagation to identify prediction mistakes. Moving backward through the layers, it then modifies a function’s weights and biases so that the model can be trained. Combining propagation and backpropagation allows neural networks to generate predictions, rectify mistakes, and improve their accuracy over time. For particular issues, various neural network types are required, such as:

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Recurring Neuronal Systems (RNNs)

Due to the use of times series or sequential data, speech recognition and natural language applications can be achieved.

Neural Networks with Convolutions (CNNs)

CNNs are able to recognize features and patterns in images and are mostly utilized in computer vision and image categorization.

This is all aided with the continues rapid advances in the visual computing space. Please click here to learn more in our The Ultimate Guide to Computer Vision.

Developing and Putting to Use Deep Learning Models - The Total Introductory Guide to Deep Learning - Developing and Putting to Use Deep Learning Models

Deep learning can be applied in three different methods to classify objects:

1. Initial Instruction

A network architecture that learns from the features and model of a big labeled data collection must be developed. However, because it might take days or weeks to train a network, this is not a usual strategy.

2. Transfer of Knowledge

This entails adjusting a pre-trained model by using an existing network, such as GoogleNet, and feeding it new data made up of unidentified classifications. The network will need to undergo a few modifications before it can handle new tasks, but it has the advantage of requiring less data (thousands of photos instead of millions), which speeds up calculation.

3. Extracting Feature

Feature extraction is a less typical method that requires greater expertise. During training, all layers are given the responsibility of extracting features from the network using the network as a feature extractor. Input for machine learning models can then be created using the features.

We created an Introduction to Machine Learning Technology guide if you want to learn more, check it out.

GPU acceleration significantly speeds up processing, cutting the amount of time needed for network training.

An Overview of Deep Learning’s History - The Total Introductory Guide to Deep Learning - An Overview of Deep Learning's History

The mathematical representation of a biological neuron is presented in the 1943 publication A Logical Calculus of the Ideas Immanent in Nervous Activity by Walter Pitts and Warren McCulloch. The McCulloch Pitts Neuron sets the foundation for deep learning and artificial neural networks even though it lacks a learning mechanism and has very limited capabilities.

Frank Rosenblatt’s “The Perceptron,” which he described in his 1957 work The Peceptron: A Perceiving and Recognizing Automaton, is a true learner and is capable of binary categorization on its own. It triggers a revolution in shallow neural network research.

1960: Henry J. Kelley presents the first iteration of a continuous backpropagation model in his article Gradient Theory of Optimal Flight Paths.

1962: Stuart Dreyfus illustrates a backpropagation model employing a straightforward derivative chain rule rather than dynamic programming, which was previously utilized in backpropagation models, in his paper The Numerical Solution of Variational Problems.

A hierarchical representation of a neural network using a polynomial activation function and trained using Group Method Data Handling is developed in 1965 by Alexey Grigoryevich Ivakhnenko and Valentin Grigoryevich Lapa (GMDH). Ivakhnenko is frequently referred to as the father of deep learning, and this is currently thought to be the first multi-layer perceptron.

Alexey Grigoryevich Ivakhnenko uses the GMDH to build an eight-layer deep neural network in 1971.

1980: Kunihiko Fukushima creates the first convolutional neural network (CNN) architecture. It has the ability to identify visual patterns, such as handwritten characters.

In 1986, Terry Sejnowski creates NeTalk. A neural network is used to compare phonetic transcriptions and learn how to pronounce English text that is displayed as text input. Geoffrey Hinton, Rumelhart, and Williams demonstrate how backpropagation works in the neural network in their study, Learning Representations by Back-Propagating Errors. This made it possible to train intricate deep neural networks. The Restricted Boltzmann Machine, a modification of the Boltzmann Machine created by Paul Smolensky, is widely used to create recommender systems.

1989: Yann LeCun develops a convolutional neural network that can recognize handwritten numbers via backpropagation, laying the foundation for contemporary computer vision.

The recurrent neural network architecture known as Long Short-Term Memory, developed by Sepp Hochreiter and Jürgen Schmidhuber in 1997, revolutionized deep learning for the ensuing decades.

2006: Geoffrey Hinton, Ruslan Salakhutdinov, Osindero, and Teh’s publication, A Fast Learning Algorithm for Deep Belief Nets, describes how the authors layered numerous RBMs in layers and named them “Deep Belief Networks” – a more effective method for vast amounts of data.

2008: To greatly reduce training time for deep neural networks, Andrew NG’s team at Stanford recommends using graphics processing units (GPUs).

2009: Fei’s ImageNet. Fei Li, a Stanford professor, has created a database with 14 million tagged photos that serves as a crucial reference point for deep learning researchers.

2014: Ian Goodfellow invents the GAN, or Generative Adversarial Neural Network. Due to its capacity to create data that closely resembles real-world data, it opens the door for new deep learning applications in science, art, and fashion.

Due to their significant contributions to the advancement of deep learning and artificial intelligence, Yoshua Bengio, Geoffrey Hinton, and Yann LeCun win the Turing Award in 2019.

Want to learn more about AI? Then check out our Complete Guide to Artificial Intelligence.

Machine Learning Versus Deep Learning - The Total Introductory Guide to Deep Learning - Machine Learning Versus Deep Learning

Machine learning has a subfield called deep learning. Initially, features from photos will be manually extracted through a machine learning method. The model that will classify the items in a picture is then built using them. However, with “end-to-end learning,” where networks are given raw data and tasks like classification and automatically learn how to perform them, features are automatically extracted from images in deep learning processes.

In contrast to shallow learning, which converges, deep learning techniques scale with data. The accuracy of the algorithms decreases as the volume of data grows. GPUs are frequently required for these to process data quickly.

When there is no high-performance GPU and only unlabeled data, machine learning makes more sense. Due to the complexity of deep learning, accurate results require a large number of photos, and a powerful GPU will speed up data analysis.

Applications for Deep Learning Technology - The Total Introductory Guide to Deep Learning - Applications for Deep Learning Technology


Deep learning in healthcare is enabling medical professionals to evaluate and rate a greater number of photos in a shorter amount of time. Due to the increased digitization of hospital information and photographs, this is becoming more and more significant.

Monetary Services

The driving force behind algorithmic stock trading, fraud detection, evaluating business risk for loan approvals, and credit management is predictive analytics.

Legal Action

Deep learning systems can recognize perilous trends that suggest probable criminal or fraudulent behaviour by examining and learning from transactional data. It boosts the efficacy and efficiency of investigative analysis using applications for computer vision, speech recognition, and other technologies. It enables law enforcement to examine vast amounts of data more quickly and accurately by extracting evidence and patterns from photos, sound recordings, and documents.

Consumer Assistance - The Total Introductory Guide to Deep Learning - Consumer Assistance & ChatbotsSimple chat-bots employ natural language and object recognition. More advanced chat-bots attempt to determine whether ambiguous questions have several possible responses through learning. Chat-bots will then try to directly answer inquiries or divert the conversation to human personnel based on the responses clients give.

Defense and Aerospace

Deep learning is used in aerospace and military to recognize things from satellites, which are used to indicate safe and risky zones for troops as well as places of interest.


Deep learning is enabling the development of automated hearing and speech translation, with home assistant devices reacting to voice requests and recognizing user preferences.

Automation in Industry

By automating the detection of individuals or items that are too close to heavy machinery, deep learning can enhance worker safety near such equipment.

Robotic Driving

Deep learning algorithms let self-driving cars, like Tesla, for instance, automatically detect objects and pedestrians, which reduces accidents.

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