August 2021
Beginner to intermediate
720 pages
15h 32m
Korean
Content preview from fastai와 파이토치가 만나 꽃피운 딥러닝
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243
4
숫자 분류기의 학습 내부 들여다보기
경망 분야를 수년 동안 정체시킨 원인입니다. 하지만 일부 연구자는 심층적인 모델로 실험을
수행했고, 마침내 그런 모델이 실전에서 훨씬 좋은 성능을 보인다는 사실을 밝혀냈습니다. 그
리고 그 이유를 뒷받침하는 이론적인 내용은 나중에 정립되었죠. 오늘날 비선형성 하나만으로
신경망을 사용하는 사람은 거의 찾아볼 수 없습니다.
다음은
1
장과 같은 방식을 사용하되,
18
개 계층으로 구성된 모델을 학습시키는 상황을 보여줍
니다.
dls = ImageDataLoaders.from_folder(path)
learn = cnn_learner(dls, resnet18, pretrained=False,
loss_func=F.cross_entropy, metrics=accuracy)
learn.fit_one_cycle(1, 0.1)
epoch train
loss valid
loss accuracy time
0 0
.
082089 0
.
009578 0
.
997056 00
:
11
거의
100
%에 가까운 정확도를 얻었습니다! 앞서 만든 단순한 신경망 대비 큰 차이를 만들어냈
군요. 앞으로 배우겠지만 요령을 약간 더하면 여러분 스스로 구현해도 이 정도로 좋은 결과를
얻을 수 있습니다. 여러분은 이미 가장 중요한 기본기를 익혔다고 볼 수 있습니다 (물론 ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.