Thinking about reading a book, which one is good, and up to date right now?

I'm trying to find a book that will help to dig deeper into Computer Vision, because I don't want to continue knowing the things I know on a surface level, so, which books would be the best?

I tried "Computer Vision: Algorithms and Applications", although it is good, but it is just an overview of the enter field, and not something focused.

What I want to try right now is a book called "Understanding Deep Learning" by Simon J.D. Prince. …

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