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BY
S.KARTHIKEYAN
ARTIFICIAL NEURAL
NETWORKS
Agenda
 Basic definitions
 Debates
 Human Brain Anatomy
 Network Structure
 Learning methods
 Applications
 Conclusion
Basic Definitions
An artificial neural network (ANN), usually called
"neural network" (NN), is a mathematical model or
computational model that is inspired by the structure
and/or functional aspects of biological neural
networks....
This is a type of computer program which aims to model
the human brain to solve complex problems. Also known
as an ANN.
Computer technology that attempts to build computers
that operate like a human brain. The machines possess
simultaneous memory storage and work with ambiguous
information. Sometimes called, simply, a neural network.
Debates
Or
Perceptron
 The perceptron is one of the earliest neural networks. Invented at the Cornell
Aeronautical Laboratory in 1957 by Frank Rosenblatt, the Perceptron was an attempt to
understand human memory, learning, and cognitive processes. In 1960, Rosenblatt
demonstrated the Mark I Perceptron. The Mark I was the first machine that could
“learn” to identify optical patterns.
Linear/Nonlinearly Separable
Human Brain Anatomy
We need to know the anatomy of a human brain to
understand how it is implemented in an artificial
manner
Artificial Neuron
McCulloch-Pitts in 1943
The next major development in neural network
technology arrived in 1949 with a book, "The
Organization of Behavior" written by Donald Hebb
John von Neumann thought of imitating simplistic
neuron functions by using telegraph relays or
vacuum tubes. This led to the invention of the von
Neumann machine.
Network Structure
Feed forward
Feed back or Recurrent
Feed forward Architecture
Feed back or Recurrent
Learning
3 types of Learning as
 Supervised Learning
 Unsupervised Learning
 Reinforcement Learning
Supervised Learning
Unsupervised Learning
Reinforcement Learning
Applications of ANN
Destruction
Destructions made when the robots are designed
with some strange logics.
Let us watch a video trailer which illustrate how the
destructions takes place.
Conclusion
Artificial Neural Network is an efficient way to
find an useful pattern from the available
information. Even though ANN provide high degree
of accuracy its training time becomes a major
destructive fact.
If the machines are subject to the control of
human beings then there is no problem around us.
Otherwise it will lead to disasters.
Artificial neural networks

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Artificial neural networks

  • 2. Agenda  Basic definitions  Debates  Human Brain Anatomy  Network Structure  Learning methods  Applications  Conclusion
  • 3. Basic Definitions An artificial neural network (ANN), usually called "neural network" (NN), is a mathematical model or computational model that is inspired by the structure and/or functional aspects of biological neural networks.... This is a type of computer program which aims to model the human brain to solve complex problems. Also known as an ANN. Computer technology that attempts to build computers that operate like a human brain. The machines possess simultaneous memory storage and work with ambiguous information. Sometimes called, simply, a neural network.
  • 5. Perceptron  The perceptron is one of the earliest neural networks. Invented at the Cornell Aeronautical Laboratory in 1957 by Frank Rosenblatt, the Perceptron was an attempt to understand human memory, learning, and cognitive processes. In 1960, Rosenblatt demonstrated the Mark I Perceptron. The Mark I was the first machine that could “learn” to identify optical patterns.
  • 7. Human Brain Anatomy We need to know the anatomy of a human brain to understand how it is implemented in an artificial manner
  • 8. Artificial Neuron McCulloch-Pitts in 1943 The next major development in neural network technology arrived in 1949 with a book, "The Organization of Behavior" written by Donald Hebb John von Neumann thought of imitating simplistic neuron functions by using telegraph relays or vacuum tubes. This led to the invention of the von Neumann machine.
  • 11. Feed back or Recurrent
  • 12. Learning 3 types of Learning as  Supervised Learning  Unsupervised Learning  Reinforcement Learning
  • 14.
  • 16.
  • 18.
  • 20. Destruction Destructions made when the robots are designed with some strange logics. Let us watch a video trailer which illustrate how the destructions takes place.
  • 21. Conclusion Artificial Neural Network is an efficient way to find an useful pattern from the available information. Even though ANN provide high degree of accuracy its training time becomes a major destructive fact. If the machines are subject to the control of human beings then there is no problem around us. Otherwise it will lead to disasters.