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You're reading from  Mastering OpenCV 4 with Python

Product typeBook
Published inMar 2019
Reading LevelExpert
PublisherPackt
ISBN-139781789344912
Edition1st Edition
Languages
Python
Tools
OpenCV
Concepts
Computer Vision
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Author (1)
Alberto Fernández Villán
Alberto Fernández Villán
author image
Alberto Fernández Villán

Alberto Fernndez Villn is a software engineer with more than 12 years of experience in developing innovative solutions. In the last couple of years, he has been working in various projects related to monitoring systems for industrial plants, applying both Internet of Things (IoT) and big data technologies. He has a Ph.D. in computer vision (2017), a deep learning certification (2018), and several publications in connection with computer vision and machine learning in journals such as Machine Vision and Applications, IEEE Transactions on Industrial Informatics, Sensors, IEEE Transactions on Industry Applications, IEEE Latin America Transactions, and more. As of 2013, he is a registered and active user (albertofernandez) on the Q&A OpenCV forum.
Read more about Alberto Fernández Villán

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Questions

  1. What are the main image-processing steps?
  2. What are the three processing levels?
  3. What is the difference between a grayscale image and a black and white image?
  4. What is a pixel?
  5. What is image resolution?
  6. 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
  7. What command do you use to run the Jupyter Notebook?
  8. 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
  9. Suppose that you have loaded an image in img. How do you check whether img is color or grayscale?

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Mastering OpenCV 4 with Python
Published in: Mar 2019Publisher: PacktISBN-13: 9781789344912
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Alberto Fernández Villán

Alberto Fernndez Villn is a software engineer with more than 12 years of experience in developing innovative solutions. In the last couple of years, he has been working in various projects related to monitoring systems for industrial plants, applying both Internet of Things (IoT) and big data technologies. He has a Ph.D. in computer vision (2017), a deep learning certification (2018), and several publications in connection with computer vision and machine learning in journals such as Machine Vision and Applications, IEEE Transactions on Industrial Informatics, Sensors, IEEE Transactions on Industry Applications, IEEE Latin America Transactions, and more. As of 2013, he is a registered and active user (albertofernandez) on the Q&A OpenCV forum.
Read more about Alberto Fernández Villán

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