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morphological processing 1
[ ์˜๋ฃŒ์˜์ƒ ] Medical Image Segmentation (2.Morphological Processing)

MOOC ๊ฐ•์ขŒ '์ปดํ“จํ„ฐ๋น„์ „, ๋จธ์‹ ๋Ÿฌ๋‹, ๋”ฅ๋Ÿฌ๋‹์„ ์ด์šฉํ•œ ์˜๋ฃŒ์˜์ƒ๋ถ„์„' ๊ฐ•์˜๋ฅผ ๋ฆฌ๋ทฐ ๋ฐ ์ •๋ฆฌํ•œ ๊ฒŒ์‹œ๋ฌผ์ž…๋‹ˆ๋‹ค. ์œ„ ์‚ฌ์ง„์€ ์•ž์„  ๊ฒŒ์‹œ๋ฌผ์—์„œ ๋‹ค๋ค˜๋˜ Thresholding์˜ ๊ฒฐ๊ณผ๋ฌผ์ด๋‹ค. 100% ์›ํ•˜๋Š” ๊ฒฐ๊ณผ๋Š” ์•„๋‹˜์„ ์‰ฝ๊ฒŒ ์•Œ ์ˆ˜ ์žˆ๋‹ค. Noise๊ฐ€ ์กด์žฌํ•˜๊ณ , ์›ํ•˜๋Š” ์˜์—ญ ๋‚ด๋ถ€์—๋„ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ Segmentation์ด ์ด๋ฃจ์–ด์ง€์ง€ ์•Š์€ ํ”์ ๋“ค์ด ์กด์žฌํ•œ๋‹ค. Morphological Processing์„ ์ด์šฉํ•˜๋ฉด Noise๋ฅผ ์ œ๊ฑฐํ•˜๊ฑฐ๋‚˜ Hole์„ ์ฑ„์›Œ์ค„ ์ˆ˜ ์žˆ๋‹ค. 1. Dilation ์šฐ์ธก ๊ทธ๋ฆผ์—์„œ ํ‘ธ๋ฅธ์ƒ‰์œผ๋กœ ํ‘œ์‹œ๋œ Foreground๋ฅผ ํ™•์žฅํ•˜๊ณ  ์‹ถ์„ ๋•Œ, Dilation ๊ธฐ๋ฒ•์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. Morphological Processing์€ Convolution ๊ณผ์ •๊ณผ ์ƒ๋‹นํžˆ ์œ ์‚ฌํ•˜๋‹ค. ๋จผ์ €, Convolution์—์„œ ..
AI/์˜๋ฃŒ์˜์ƒ 2021.09.22
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