March 2026
Intermediate
504 pages
11h 26m
Korean
Content preview from 파이토치로 배우는 LLM & AI
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81
3
장
고급 컴퓨터 비전: 이미지에서 특징 감지하기
고급 컴퓨터 비전:
이미지에서 특징 감지하기
CHAPTER
3
2
장에서는 패션
MNIST
데이터셋의 픽셀을 의류 종류 (또는 클래스 )를 나타내는
10
개의 레이
블에 매핑하는 간단한 신경망을 만들어 보며 컴퓨터 비전을 시작해 보았습니다. 의류 아이템을
잘 감지하는 신경망을 만들었지만 확실히 제한적입니다. 이 신경망은 아이템 하나가 이미지 중
앙에 놓인 작은 흑백 이미지로 훈련되었습니다.
모델을 한 단계 더 발전시키려면 이미지에 있는 특징을 감지해야 합니다. 예를 들어 이미지에
있는 원본 픽셀을 보는 것 대신에 이미지를 어떤 구성 요소로 필터링하는 방법이 있다면 어떨
까요? 원본 픽셀 대신 이런 구성 요소를 매핑하면 이미지 안의 내용을 훨씬 더 효과적으로 감
지할 수 있습니다. 이전 장에서 보았던 패션
MNIST
데이터셋을 생각해 보죠. 신발을 감지할
때 이미지 아래에 모여 있는 검은 픽셀에 의해 활성화되었을지도 모릅니다. 이 부분을 신발이
라고 생각했을지 모르죠. 하지만 신발이 중앙에 있지 않거나 이미지 프레임을 채우지 못하면
이런 논리는 성립되지 않습니다.
특징을 감지하는 방법은 우리에게 익숙한 사진과 이미지 처리 방법에서 찾을 수 있습니다. 포
토샵이나 김프
GIMP
같은 도구를 사용해 이미지를 선명하게 ...
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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.