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</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</p> Signup and view all the answers

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

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

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

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

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