hiJu

[jekyll chirpy ํ™œ์šฉํ•˜๊ธฐ] sidebar ์ด๋ฆ„ ๋ณ€๊ฒฝ, table ์ž๋™ ์ค„๋ฐ”๊ฟˆ

์‚ฌ์ด๋“œ๋ฐ” ์ด๋ฆ„ ๋ณ€๊ฒฝ ๋ฐฉ๋ฒ• ์ž์‹ ์ด ์„ ํƒํ•œ ์–ธ์–ด๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ _data/locales/en.yml ํŒŒ์ผ์—์„œ ์•„๋ž˜ ๋‚ด์šฉ์„ ์ˆ˜์ • # The tabs of sidebar tabs: # format: <filename_without_extension>: <value> home: Home categories: Categories ...

GitHub ์ •๋ฆฌ

GitHub ๋ฒ„์ „ ๊ด€๋ฆฌ ์‹œ์Šคํ…œ์œผ๋กœ ๋ฒ„์ „, ๋ฐฑ์—…, ํ˜‘์—…์„ ์œ„ํ•œ ํˆด! ๋ฒ„์ „ ๊ด€๋ฆฌ์˜ ๋ณธ์งˆ์€ ์›๋ณธ์„ ์ˆ˜์ •ํ•˜์ง€ ์•Š๊ณ  ์›๋ณธ์˜ ๋ณต์ œ๋ณธ์„ ๋งŒ๋“ค์–ด ์ˆ˜์ •ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. git version check git --version git -v git version git config list git config --list git co...

Two-stage detector vs One-stage detector

single stage๋Š” roi pooling์ด ์—†๋‹ค ๋ชจ๋“  ์˜์—ญ์—์„œ loss ๋ฐœ์ƒ positive๋Š” ๊ต‰์žฅํžˆ ์ ์€๋ฐ easy negative๊ฐ€ ๋งŽ์•„์„œ class imbalance๋ฅผ ๋ฐœ์ƒ์‹œ์ผœ ํ•™์Šต์— ๋ฐฉํ•ด๊ฐ€ ๋œ๋‹ค background์— ์žˆ๋Š” negative anchor boxes์˜ ๊ฐœ์ˆ˜๊ฐ€ posi...

U-Net

U-Net์€ segmentation์„ ์œ„ํ•œ ๋ชจ๋ธ๋กœ, ์˜์ƒ๊ณผ ๋น„์Šทํ•œ ์‚ฌ์ด์ฆˆ์˜ ์ถœ๋ ฅ์„ ๊ฐ€์ง„๋‹ค. ์˜์ƒ์˜ ์ผ๋ถ€๋ถ„์„ ์ž์„ธํ•˜๊ฒŒ ๋ด์•ผํ•˜๋Š” ๊ฒฝ์šฐ, ๋งŽ์€ ๋ชจ๋ธ์˜ ๊ธฐ์›์ด ๋˜๊ณ ์žˆ์œผ๋ฉฐ FCN ๋ชจ๋ธ์˜ skip connections๊ณผ ์œ ์‚ฌํ•˜๋ฉฐ ๋” ์ •๊ตํ•˜๋‹ค. U-Net architecture Contracting path 3 x 3 convolutions์„ ๋ฐ˜๋ณต ...

11์›” 4์ฃผ์ฐจ ํšŒ๊ณ 

์ด์ œ ์ง„์งœ ๋ถ€์ŠคํŠธ์บ ํ”„ ์Šค์ผ€์ค„์— ์ ์‘์„ ๋‹คํ•ด์„œ, ๋ฌด๋‚œํ•œ ํ•œ ์ฃผ์˜€๋‹ค. ์•„์‰ฌ์šด ์ ์ด ์žˆ๋‹ค๋ฉด ์—ฌ์ „ํžˆ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŒ…์„ ์ž์ฃผํ•˜๋Š”๊ฑด ๋‚ฏ์„ค์—ˆ๊ณ , ์ผ๊ณผ ๋งˆ๋ฌด๋ฆฌ์— ์‹œ๊ฐ„์„ ํšจ์œจ์ ์œผ๋กœ ๋ณด๋‚ด์ง€ ๋ชปํ•œ ๊ฒƒ ๊ฐ™๋‹ค. ๋‹ค์Œ์ฃผ๋ถ€ํ„ฐ๋Š” ์‹œ๊ฐ„ ๊ณ„ํš์„ ์„ธ์›Œ์„œ, ํ•˜๋ฃจ ํ• ๋‹น๋Ÿ‰๊ณผ ๋ณ„๊ฐœ๋กœ ๋ฌด์กฐ๊ฑด ์ง€ํ‚ค๋Š” ์ผ์ฃผ์ผ์„ ๋ณด๋‚ด์•ผ๊ฒ ๋‹ค. U-Net https://jouhy.github.io/posts/U-Net...

Gradient Descent Methods

(stochastic) gradient descent (SGD) learning rate๋ฅผ ์ ์ ˆํžˆ ์žก๋Š” ๊ฒƒ์ด ์–ด๋ ค์›€ \(W_{t+q} \gets W_t - \eta g_t\) Momentum ์ด์ „์— ์—…๋ฐ์ดํŠธ ๋๋˜ ๋ฐฉํ–ฅ์— ์˜ํ–ฅ์„ ๋ฐ›์•„ ๋‹ค์Œ ์—…๋ฐ์ดํŠธ๋ฅผ ์ง„ํ–‰ ํ•œ๋ฒˆ ํ˜๋Ÿฌ๊ฐ„ gradient๋Š” ์–ด๋А์ •๋„ ์œ ์ง€์‹œ์ผœ์ฃผ๊ธฐ ๋•Œ๋ฌธ์— gradient๊ฐ€ ๋งŽ...