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You're reading from  Learning OpenCV 4 Computer Vision with Python 3 - Third Edition

Product typeBook
Published inFeb 2020
Reading LevelIntermediate
PublisherPackt
ISBN-139781789531619
Edition3rd Edition
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Authors (2):
Joseph Howse
Joseph Howse
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Joseph Howse

Joseph Howse lives in a Canadian fishing village, where he chats with his cats, crafts his books, and nurtures an orchard of hardy fruit trees. He is President of Nummist Media Corporation, which exists to support his books and to provide mentoring and consulting services, with a specialty in computer vision. On average, in 2015-2022, Joseph has written 1.4 new books or new editions per year for Packt. He also writes fiction, including an upcoming novel about the lives of a group of young people in the last days of the Soviet Union.
Read more about Joseph Howse

Joe Minichino
Joe Minichino
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Joe Minichino

Joe Minichino is an R&D labs engineer at Teamwork. He is a passionate programmer who is immensely curious about programming languages and technologies and constantly experimenting with them. Born and raised in Varese, Lombardy, Italy, and coming from a humanistic background in philosophy (at Milan's Università Statale), Joe has lived in Cork, Ireland, since 2004. There, he became a computer science graduate at the Cork Institute of Technology.
Read more about Joe Minichino

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Filtering matches using K-Nearest Neighbors and the ratio test

Imagine that a large group of renowned philosophers asks you to judge their debate on a question of great importance to life, the universe, and everything. You listen carefully as each philosopher speaks in turn. Finally, when all the philosophers have exhausted all their lines of argument, you review your notes and perceive two things, as follows:

  • Every philosopher disagrees with every other
  • No one philosopher is much more convincing than the others

From your first observation, you infer that at most one of the philosophers is right; however, it is possible that all the philosophers could be wrong. Then, from your second observation, you begin to fear that you are at risk of picking a philosopher who is wrong, even if one of the philosophers is correct. Any way you look at it, these people have made you late for...

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Learning OpenCV 4 Computer Vision with Python 3 - Third Edition
Published in: Feb 2020Publisher: PacktISBN-13: 9781789531619

Authors (2)

author image
Joseph Howse

Joseph Howse lives in a Canadian fishing village, where he chats with his cats, crafts his books, and nurtures an orchard of hardy fruit trees. He is President of Nummist Media Corporation, which exists to support his books and to provide mentoring and consulting services, with a specialty in computer vision. On average, in 2015-2022, Joseph has written 1.4 new books or new editions per year for Packt. He also writes fiction, including an upcoming novel about the lives of a group of young people in the last days of the Soviet Union.
Read more about Joseph Howse

author image
Joe Minichino

Joe Minichino is an R&D labs engineer at Teamwork. He is a passionate programmer who is immensely curious about programming languages and technologies and constantly experimenting with them. Born and raised in Varese, Lombardy, Italy, and coming from a humanistic background in philosophy (at Milan's Università Statale), Joe has lived in Cork, Ireland, since 2004. There, he became a computer science graduate at the Cork Institute of Technology.
Read more about Joe Minichino