March 2019
Intermediate to advanced
532 pages
13h 2m
English
Content preview from Mastering OpenCV 4 with Python
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Questions
- What are the main image-processing steps?
- What are the three processing levels?
- What is the difference between a grayscale image and a black and white image?
- What is a pixel?
- What is image resolution?
- What OpenCV functions do you use to perform the following actions?
- Load (read) an image
- Show an image
- Wait for a keystroke
- Split the channels
- Merge the channels
- What command do you use to run the Jupyter Notebook?
- What color will you get with the following triplets?
- B = 0, G = 255, R = 255
- B = 255, G = 255, R = 0
- B = 255, G = 0, R = 255
- B = 255, G = 255, R = 255
- Suppose that you have loaded an image in img. How do you check whether img is color or grayscale?
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