2. Image Processing
Image Enhancement — Quiz
Test your understanding of image enhancement with 5 practice questions.
Practice Questions
Question 1
Which image enhancement technique adjusts the dynamic range of pixel intensities to improve the visual appearance of an image?
Question 2
What is the primary purpose of applying a median filter in image denoising?
Question 3
In a typical image enhancement pipeline, what is the purpose of the 'preprocessing' stage?
Question 4
Which of the following mathematical operations is fundamental to histogram equalization?
Question 5
Consider an image with pixel intensities ranging from 0 to 255. If a contrast stretching operation maps the original range $[I_{\min}, I_{\max}]$ to the full range $[0, 255]$, what is the formula for the new intensity value $O$ for an input pixel $I$?