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Paper Reading ๐Ÿ“œ/Computer Vision

Grad-CAM: Visual Explanation from Deep Networks via Gradient-based Localization ๋…ผ๋ฌธ ๋ฆฌ๋ทฐ

Table of Contents 1. Introduction 2. Grad-CAM 1. Introduction Grad-CAM์€ Gradient-weighted Class Activation Mapping์˜ ์•ฝ์ž๋กœ, CNN์„ ํ†ตํ•ด ์ด๋ฏธ์ง€๋ฅผ ๋ถ„์„ํ•  ๋•Œ ์ผ๋ฐ˜์ ์œผ๋กœ ์‚ฌ๋žŒ๋“ค์€ ๊ทธ ๊ณผ์ •์„ ๋ณผ ์ˆ˜ ์—†์ง€๋งŒ, Grad-CAM์„ ํ™œ์šฉํ•˜๋ฉด CNN์˜ ํ™œ๋™ ๊ณผ์ •์„ ๋”์šฑ ๋ช…๋ฐฑํ•˜๊ณ  ์ž์„ธํ•˜๊ฒŒ ์•Œ ์ˆ˜ ์žˆ๋‹ค. Grad-CAM์€ ์ด์ „์˜ ๋ชจ๋ธ๋“ค๊ณผ ๋‹ฌ๋ฆฌ ์•„๋ฌด๋Ÿฐ ๊ตฌ์กฐ์  ๋ณ€ํ™”์™€ ์žฌํ•™์Šต ์—†์ด CNN์˜ ๋‹ค์–‘ํ•œ ๋ชจ๋ธ๋“ค์— ์ ์šฉ์ด ๊ฐ€๋Šฅํ•˜๋‹ค!! ์ด ๋…ผ๋ฌธ์—์„œ๋Š” Grad-CAM๊ณผ fine-grained visualization์„ ๊ฒฐํ•ฉํ•˜์—ฌ high-resolution class-discriminative visulaization์„ ํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ด๋ฅผ..

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