Pattern Recognition and Its Applications

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Questions and Answers

What is the larger focus of KDD and data mining in comparison to pattern recognition?

  • Signal processing
  • Machine learning
  • Acquisition and signal processing
  • Unsupervised methods (correct)

What is the primary function of pattern machines (PM) as distinguished from pattern recognition (PR)?

  • Extracting patterns from data
  • Assigning a class to an observation based on patterns
  • Distinguish and create emergent patterns (correct)
  • Training from labeled 'training' data

In which field did discriminant analysis serve the same purpose as pattern recognition?

  • Statistics (correct)
  • Computer graphics
  • Bioinformatics
  • Data compression

What has led to the increased use of machine learning in modern approaches to pattern recognition?

<p>Increased availability of big data and processing power (C)</p> Signup and view all the answers

What applications does pattern recognition have in addition to statistical data analysis?

<p>Signal processing and image analysis (A)</p> Signup and view all the answers

Which technique is commonly used to address the unstable gradient problem in neural networks?

<p>Batch normalization (D)</p> Signup and view all the answers

What is the purpose of the activation function in a neural network?

<p>Introduce non-linearity to the network (D)</p> Signup and view all the answers

Which technique is used to reduce overfitting in machine learning models by adding a penalty for large weights?

<p>L2 regularization (D)</p> Signup and view all the answers

What type of neural network architecture is commonly used for processing sequences of data, such as text or speech?

<p>Recurrent neural network (C)</p> Signup and view all the answers

Which machine learning approach focuses on learning optimal decisions through interaction with an environment?

<p>Reinforcement Learning (D)</p> Signup and view all the answers

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