Difference between revisions of "NeuroEvolution of Augmenting Topologies (NEAT)"
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| − | [ | + | [https://www.youtube.com/results?search_query=ai+NeuroEvolution+Augmenting+Topologies+NEAT+Evolution YouTube] |
| − | [ | + | [https://www.quora.com/search?q=ai%20NeuroEvolution%20Augmenting%20Topologies%20NEAT%20Evolution ... Quora] |
| + | [https://www.google.com/search?q=ai+NeuroEvolution+Augmenting+Topologies+NEAT+Evolution ...Google search] | ||
| + | [https://news.google.com/search?q=ai+NeuroEvolution+Augmenting+Topologies+NEAT+Evolution ...Google News] | ||
| + | [https://www.bing.com/news/search?q=ai+NeuroEvolution+Augmenting+Topologies+NEAT+Evolution&qft=interval%3d%228%22 ...Bing News] | ||
| + | * [[Symbiotic Intelligence]] ... [[Bio-inspired Computing]] ... [[Neuroscience]] ... [[Connecting Brains]] ... [[Nanobots#Brain Interface using AI and Nanobots|Nanobots]] ... [[Molecular Artificial Intelligence (AI)|Molecular]] ... [[Neuromorphic Computing|Neuromorphic]] ... [[Evolutionary Computation / Genetic Algorithms| Evolutionary/Genetic]] | ||
* [http://wagenaartje.github.io/neataptic/docs/neat/ NEAT | Neataptic] | * [http://wagenaartje.github.io/neataptic/docs/neat/ NEAT | Neataptic] | ||
* [http://www.cs.ucf.edu/~kstanley/neat.html The NeuroEvolution of Augmenting Topologies (NEAT) Users Page] | * [http://www.cs.ucf.edu/~kstanley/neat.html The NeuroEvolution of Augmenting Topologies (NEAT) Users Page] | ||
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| − | + | NeuroEvolution of Augmenting Topologies (NEAT) is a powerful evolutionary algorithm designed for evolving [[Neural Network|artificial neural networks (ANNs)]]. NEAT is a significant contribution to the field of neuroevolution and has inspired various extensions and improvements in the evolutionary computation community. It remains a popular and influential algorithm in the realm of artificial intelligence and machine learning.It was introduced by Kenneth O. Stanley and Risto Miikkulainen in 2002. NEAT combines ideas from both genetic algorithms and neural networks to optimize the structure and weights of neural networks for various tasks. The key feature of NEAT is its ability to evolve neural network architectures over generations. Unlike traditional neural network training methods that use fixed architectures, NEAT starts with small, simple networks and allows them to grow in complexity and size through generations. It achieves this by introducing innovations such as historical markings and speciation. | |
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| + | The NEAT algorithm operates as follows: | ||
| + | |||
| + | #<b>Initialization</b>: NEAT starts with a population of simple neural networks, often with a minimal structure. | ||
| + | #<b>Genetic Operators</b>: It uses genetic operations such as mutation and crossover to create new networks from the existing population. Mutation involves making small changes to the structure and weights of neural networks, while crossover combines the structures of two parent networks to create offspring. | ||
| + | #<b>Historical Markings</b>: NEAT introduces historical markings to keep track of structural innovations that occurred throughout generations. This allows the algorithm to maintain innovation over time and avoid the loss of beneficial structures during the evolutionary process. | ||
| + | #<b>Speciation</b>: To encourage diversity and prevent premature convergence, NEAT groups individuals into species based on their structural similarity. Each species is independently evolved, promoting exploration in different regions of the search space. | ||
| + | #<b>Fitness Evaluation</b>: The fitness of each neural network is evaluated based on its performance on the given task. Networks with higher fitness scores have a better chance of being selected for the next generation. | ||
| + | #<b>Reproduction</b>: NEAT uses a generational approach, where individuals with higher fitness scores are selected to produce offspring for the next generation. The offspring inherit the structures and weights from their parents. | ||
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| + | Through these iterative steps, NEAT evolves neural networks that are well-suited for the given task. It has been successfully applied to various problems, including game playing, control tasks, and pattern recognition. NEAT's ability to discover novel and efficient network architectures without human intervention makes it particularly useful in scenarios where manually designing neural network architectures is challenging or time-consuming. | ||
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| + | <center><img src="http://i.imgur.com/dLPm3Lx.jpg" width="600"><br>'http://i.imgur.com/dLPm3Lx.jpg'</center> | ||
Latest revision as of 12:07, 6 August 2023
YouTube ... Quora ...Google search ...Google News ...Bing News
- Symbiotic Intelligence ... Bio-inspired Computing ... Neuroscience ... Connecting Brains ... Nanobots ... Molecular ... Neuromorphic ... Evolutionary/Genetic
- NEAT | Neataptic
- The NeuroEvolution of Augmenting Topologies (NEAT) Users Page
- The Hybercube-based NeuroEvolution of Augmenting Topologies (HyperNEAT) Users Page
- Topology and Weight Evolving Artificial Neural Network (TWEANN)
- Architectures
- NeuroEvolution | Wikipedia
- Evolutionary Computation / Genetic Algorithms
NeuroEvolution of Augmenting Topologies (NEAT) is a powerful evolutionary algorithm designed for evolving artificial neural networks (ANNs). NEAT is a significant contribution to the field of neuroevolution and has inspired various extensions and improvements in the evolutionary computation community. It remains a popular and influential algorithm in the realm of artificial intelligence and machine learning.It was introduced by Kenneth O. Stanley and Risto Miikkulainen in 2002. NEAT combines ideas from both genetic algorithms and neural networks to optimize the structure and weights of neural networks for various tasks. The key feature of NEAT is its ability to evolve neural network architectures over generations. Unlike traditional neural network training methods that use fixed architectures, NEAT starts with small, simple networks and allows them to grow in complexity and size through generations. It achieves this by introducing innovations such as historical markings and speciation.
The NEAT algorithm operates as follows:
- Initialization: NEAT starts with a population of simple neural networks, often with a minimal structure.
- Genetic Operators: It uses genetic operations such as mutation and crossover to create new networks from the existing population. Mutation involves making small changes to the structure and weights of neural networks, while crossover combines the structures of two parent networks to create offspring.
- Historical Markings: NEAT introduces historical markings to keep track of structural innovations that occurred throughout generations. This allows the algorithm to maintain innovation over time and avoid the loss of beneficial structures during the evolutionary process.
- Speciation: To encourage diversity and prevent premature convergence, NEAT groups individuals into species based on their structural similarity. Each species is independently evolved, promoting exploration in different regions of the search space.
- Fitness Evaluation: The fitness of each neural network is evaluated based on its performance on the given task. Networks with higher fitness scores have a better chance of being selected for the next generation.
- Reproduction: NEAT uses a generational approach, where individuals with higher fitness scores are selected to produce offspring for the next generation. The offspring inherit the structures and weights from their parents.
Through these iterative steps, NEAT evolves neural networks that are well-suited for the given task. It has been successfully applied to various problems, including game playing, control tasks, and pattern recognition. NEAT's ability to discover novel and efficient network architectures without human intervention makes it particularly useful in scenarios where manually designing neural network architectures is challenging or time-consuming.
'http://i.imgur.com/dLPm3Lx.jpg'
