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How Does Transfer Learning Work?



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Transfer learning techniques allow you to reuse already-trained deep learning models. However, both the training and testing data must be from the same source. Andrew Ng talks about this idea in this video. It is the preferred technique for deep learning models. It allows you to use pre-trained models to enhance your prediction abilities. But how does transfer learning actually work? How can it be applied in your own context?

Techniques

Understanding the context is the first step to developing machine learning models that can transfer learning. There are subtle variations in images captured from different locations, so data can vary. Di and al. proposed a transfer learning technique that aims to transfer information from different images captured in different light and weather conditions. The strategy uses a feature-representation strategy, which involves developing new representations of features and training the model for a specific domain.


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Challenges

The challenge of domain drifting is a significant challenge for transfer learning algorithms. Domain drift is when the knowledge that a person has about the source scene does not match the task he must perform on the target scene. Knowledge should be separated into different categories to prevent domain drifting. This level of knowledge is known as knowledge division. It has three major properties: ineffectiveness, usability, and efficiency. This knowledge level can help avoid negative transfer problems.

Optimisation

Optimizing transfer learning (MTO), or optimising machine learning, is a way to improve a machine learn model by adding implicit transferlearning between optimization tasks. This can be very useful in situations when the task being performed is similar. One could then use this knowledge to solve the entire problem. It can also be used to help when an individual is not proficient in performing a particular task. MTO's basic theory remains unclear.


Reduced costs

Reduction in cost of transfer learning can result from a number of factors, including the availability of accurate models. These models require highly-quality data labels and are expensive to build. To reduce the cost of building a model, it has been suggested that information can be transferred from existing sources. However, there is only limited literature on linear transfer of information, and it does not take into account the problem of unlabeled data.

Pre-trained models

Pre-trained models have made machine learning a golden age. These models are still being developed at a slower pace than software development. This is where the open-source software development comes in handy, as it has provided inspiration for collaborative development of pre-trained models. The community encourages research into topics such as multitasking.


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Automated configuration

Automatic configuration in transfer learning is designed to create a precise model of performance using past knowledge. A branching example using mixed-integer linear program may not perform well in new instances or may not adapt to an offline policy. Automated configuration tools are able to overcome these limitations. The authors developed an example to illustrate how an ensemble learning system can automatically build the model for the new cluster.




FAQ

Are there any potential risks with AI?

You can be sure. They always will. AI could pose a serious threat to society in general, according experts. Others argue that AI is necessary and beneficial to improve the quality life.

AI's potential misuse is one of the main concerns. If AI becomes too powerful, it could lead to dangerous outcomes. This includes robot dictators and autonomous weapons.

AI could take over jobs. Many people worry that robots may replace workers. But others think that artificial intelligence could free up workers to focus on other aspects of their job.

Some economists believe that automation will increase productivity and decrease unemployment.


What is AI used today?

Artificial intelligence (AI) is an umbrella term for machine learning, natural language processing, robotics, autonomous agents, neural networks, expert systems, etc. It's also known as smart machines.

Alan Turing, in 1950, wrote the first computer programming programs. He was fascinated by computers being able to think. He proposed an artificial intelligence test in his paper, "Computing Machinery and Intelligence." The test tests whether a computer program can have a conversation with an actual human.

John McCarthy in 1956 introduced artificial intelligence. He coined "artificial Intelligence", the term he used to describe it.

We have many AI-based technology options today. Some are simple and easy to use, while others are much harder to implement. They can be voice recognition software or self-driving car.

There are two main types of AI: rule-based AI and statistical AI. Rule-based uses logic in order to make decisions. To calculate a bank account balance, one could use rules such that if there are $10 or more, withdraw $5, and if not, deposit $1. Statistical uses statistics to make decisions. For example, a weather prediction might use historical data in order to predict what the next step will be.


What are some examples of AI applications?

AI is used in many fields, including finance and healthcare, manufacturing, transport, energy, education, law enforcement, defense, and government. Here are a few examples.

  • Finance – AI is already helping banks detect fraud. AI can spot suspicious activity in transactions that exceed millions.
  • Healthcare - AI can be used to spot cancerous cells and diagnose diseases.
  • Manufacturing - AI is used to increase efficiency in factories and reduce costs.
  • Transportation - Self Driving Cars have been successfully demonstrated in California. They are now being trialed across the world.
  • Utilities use AI to monitor patterns of power consumption.
  • Education - AI is being used in education. Students can use their smartphones to interact with robots.
  • Government – AI is being used in government to help track terrorists, criminals and missing persons.
  • Law Enforcement - AI is being used as part of police investigations. Search databases that contain thousands of hours worth of CCTV footage can be searched by detectives.
  • Defense - AI can both be used offensively and defensively. An AI system can be used to hack into enemy systems. Protect military bases from cyber attacks with AI.


What will the government do about AI regulation?

Governments are already regulating AI, but they need to do it better. They need to ensure that people have control over what data is used. Companies shouldn't use AI to obstruct their rights.

They must also ensure that there is no unfair competition between types of businesses. For example, if you're a small business owner who wants to use AI to help run your business, then you should be allowed to do that without facing restrictions from other big businesses.


Which industries use AI more?

The automotive industry is one of the earliest adopters AI. BMW AG employs AI to diagnose problems with cars, Ford Motor Company uses AI develop self-driving automobiles, and General Motors utilizes AI to power autonomous vehicles.

Other AI industries include banking, insurance, healthcare, retail, manufacturing, telecommunications, transportation, and utilities.


How does AI work?

Basic computing principles are necessary to understand how AI works.

Computers store information on memory. Computers process data based on code-written programs. The code tells computers what to do next.

An algorithm is a sequence of instructions that instructs the computer to do a particular task. These algorithms are often written using code.

An algorithm can be considered a recipe. A recipe could contain ingredients and steps. Each step is a different instruction. An example: One instruction could say "add water" and another "heat it until boiling."


How does AI work

An artificial neural network is composed of simple processors known as neurons. Each neuron receives inputs and then processes them using mathematical operations.

Neurons are organized in layers. Each layer has a unique function. The first layer gets raw data such as images, sounds, etc. These data are passed to the next layer. The next layer then processes them further. The last layer finally produces an output.

Each neuron is assigned a weighting value. This value is multiplied each time new input arrives to add it to the weighted total of all previous values. The neuron will fire if the result is higher than zero. It sends a signal down the line telling the next neuron what to do.

This continues until the network's end, when the final results are achieved.



Statistics

  • More than 70 percent of users claim they book trips on their phones, review travel tips, and research local landmarks and restaurants. (builtin.com)
  • By using BrainBox AI, commercial buildings can reduce total energy costs by 25% and improves occupant comfort by 60%. (analyticsinsight.net)
  • In 2019, AI adoption among large companies increased by 47% compared to 2018, according to the latest Artificial IntelligenceIndex report. (marsner.com)
  • A 2021 Pew Research survey revealed that 37 percent of respondents who are more concerned than excited about AI had concerns including job loss, privacy, and AI's potential to “surpass human skills.” (builtin.com)
  • According to the company's website, more than 800 financial firms use AlphaSense, including some Fortune 500 corporations. (builtin.com)



External Links

medium.com


forbes.com


mckinsey.com


en.wikipedia.org




How To

How do I start using AI?

Artificial intelligence can be used to create algorithms that learn from their mistakes. This can be used to improve your future decisions.

A feature that suggests words for completing a sentence could be added to a text messaging system. It could learn from previous messages and suggest phrases similar to yours for you.

The system would need to be trained first to ensure it understands what you mean when it asks you to write.

You can even create a chatbot to respond to your questions. So, for example, you might want to know "What time is my flight?" The bot will reply, "the next one leaves at 8 am".

Take a look at this guide to learn how to start machine learning.




 



How Does Transfer Learning Work?