Introduction to Pattern Matching

What is the process of checking and locating specific patterns or features in data?

• Pattern Matching

• Feature Extraction

• Classification

• Data Collection

What is a group of patterns sharing common features called?

• Pattern Class

• Pattern Set

• Feature Group

• Data Class

What are the applications of pattern matching?

• Face recognition

• Optical character recognition

• Medical diagnosis

• All of the above

What are the fundamental problems in pattern matching system design?

• Intra-class variation

• Noise in data

• Curse of dimensionality

• All of the above

What is the first step in a simple pattern matching model?

• Feature Extraction

• Input Pattern

• Decision Output

• Classification

What is used to classify input patterns to a class?

• Decision Functions

• Distance Functions

• Classification Metrics

• Pattern Recognition

What does the pattern space represent?

• Model parameters

• Multidimensional space of features

• Decision boundaries

• Classification metrics

What is the minimum-distance pattern classification based on?

• Euclidean distance

• Mahalanobis distance

• Both A and B

• None of the above

What technique is commonly used to reduce the dimensionality of data in pattern recognition?

• Principal Component Analysis

• Support Vector Machines

• Linear Regression

• Neural Networks

Which method is often employed to evaluate the performance of a pattern classification model?

• Data Augmentation

• Clustering

• Cross-Validation

• Feature Scaling