August 2021
Beginner to intermediate
720 pages
15h 32m
Korean
Content preview from fastai와 파이토치가 만나 꽃피운 딥러닝
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251
5
이미지 분류
이 정규 표현식은 마지막 밑줄 문자 다음에 하나 이상의 숫자와
JPEG
확장자가 등장하면 마지
막 밑줄 문자 이전의 모든 문자열을 추출합니다.
선택된 예제 파일명에서 정규 표현식이 잘 작동한다는 사실을 확인했습니다. 그러면 전체 데이
터셋 레이블링에도 적용해봐야겠죠.
fastai
는 정규 표현식을 이용해 레이블링 작업을 할 수 있
도록
RegexLabeller
클래스를 제공합니다. 이 클래스는
2
장에서 본 데이터블록
API
와 함께
사용할 수 있습니다(사실상 거의 항상 데이터블록
API
를 사용합니다.
1
장에서 본 단순한 팩토
리 메서드보다 훨씬 더 유연하기 때문이죠).
pets = DataBlock(blocks = (ImageBlock, CategoryBlock),
get_items=get_image_files,
splitter=RandomSplitter(seed=42),
get_y=using_attr(RegexLabeller(r'(.+)_\d+.jpg$'), 'name'),
item_tfms=Resize(460),
batch_tfms=aug_transforms(size=224, min_scale=0.75))
dls = pets.dataloaders(path/”images”)
데이터블록 객체 생성 시 입력된 인자 중 다음 둘은 이번에 처음 ...
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and much more.
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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.