February 2019
Intermediate to advanced
262 pages
6h 47m
German
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KAPITEL 9
Ein vortrainiertes Netzwerk zur Bilderkennung verwenden
Die Bilderkennung ist einer der Bereiche, die Deep Learning stark geprägt haben. Netzwerke mit Dutzenden oder mehr als 100 Schichten haben sich bei der Bildklassifikation als sehr wirkungsvoll erwiesen – so wirkungsvoll, dass sie die menschliche Leistung teilweise übertreffen.
Das Trainieren solcher Netzwerke ist jedoch sehr aufwendig, sowohl hinsichtlich der Rechenleistung als auch der Anzahl der benötigten Trainingsbilder. Glücklicherweise müssen wir oft nicht bei null anfangen, sondern können ein bestehendes Netzwerk weiterverwenden.
In diesem Kapitel erfahren Sie, wie man eines der fünf vortrainierten Netzwerke lädt, die Keras bereitstellt. Außerdem lernen Sie die nötigen Bildvorverarbeitungsschritte, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.