5.17.4 - Accuracy assessment
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Practice Questions
Test your understanding with targeted questions
What is accuracy assessment?
💡 Hint: Think about why validating data is important.
Name one type of error that can occur during remote sensing classification.
💡 Hint: Consider the factors that could distort results.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does accuracy assessment measure?
💡 Hint: Consider what it means to validate data.
True or False: Producer's accuracy reflects the probability that a pixel classified on the map actually represents that category on the ground.
💡 Hint: Think about the meaning of 'producer' in this context.
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Challenge Problems
Push your limits with advanced challenges
Using a dataset of classified satellite images, design a systematic approach to select ground truth samples. Discuss which sampling technique would be most effective and justify your choice.
💡 Hint: Consider how the distribution can affect the overall assessment.
Given a confusion matrix, calculate the producer's and user's accuracy for each class, and analyze any discrepancies. What does this tell you about the classifications?
💡 Hint: Look closely at both types of accuracy to understand the strengths and weaknesses in your classifications.
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