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Multi-encoder ConvNeXt Network with Smooth Attentional Feature Fusion for Multispectral Semantic Segmentation

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์ €์ž

Leo Thomas Ramos, Angel D. Sappa

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ์—ฐ๊ตฌ๋Š” ๋‹ค์ค‘ ์ŠคํŽ™ํŠธ๋Ÿผ ์˜์ƒ์˜ ํ† ์ง€ ํ”ผ๋ณต ๋ถ„ํ• ์„ ์œ„ํ•œ MeCSAFNet์ด๋ผ๋Š” ์ƒˆ๋กœ์šด ๋‹ค์ค‘ ๋ธŒ๋žœ์น˜ ์ธ์ฝ”๋”-๋””์ฝ”๋” ๋„คํŠธ์›Œํฌ๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ชจ๋ธ์€ ๊ฐ€์‹œ๊ด‘์„  ๋ฐ ๋น„๊ฐ€์‹œ๊ด‘์„  ์ฑ„๋„์„ ๋ถ„๋ฆฌํ•˜์—ฌ ์ฒ˜๋ฆฌํ•˜๊ณ , ์—ฌ๋Ÿฌ ์Šค์ผ€์ผ์—์„œ ์ค‘๊ฐ„ ํŠน์ง•์„ ์œตํ•ฉํ•˜๋ฉฐ, CBAM ์–ดํ…์…˜์„ ํ†ตํ•ด ์œตํ•ฉ์„ ๊ฐ•ํ™”ํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์–‘ํ•œ ์ŠคํŽ™ํŠธ๋Ÿผ ์ž…๋ ฅ ๊ตฌ์„ฑ์— ๋Œ€ํ•ด ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ๋ณด์—ฌ์ฃผ๋ฉฐ, ํŠนํžˆ Five-Billion-Pixels ๋ฐ Potsdam ๋ฐ์ดํ„ฐ์…‹์—์„œ ๊ธฐ์กด ์ตœ์‹  ๋ชจ๋ธ ๋Œ€๋น„ ์ƒ๋‹นํ•œ ์„ฑ๋Šฅ ํ–ฅ์ƒ์„ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
๋‹ค์ค‘ ์ŠคํŽ™ํŠธ๋Ÿผ ์˜์ƒ์—์„œ ๊ฐ€์‹œ๊ด‘์„ ๊ณผ ๋น„๊ฐ€์‹œ๊ด‘์„  ์ฑ„๋„์„ ๋ถ„๋ฆฌํ•˜์—ฌ ํšจ๊ณผ์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•˜๊ณ , ๋‹ค์ค‘ ์Šค์ผ€์ผ ํŠน์ง• ์œตํ•ฉ์„ ํ†ตํ•ด ๊ณต๊ฐ„์  ์ •๋ณด์™€ ์ŠคํŽ™ํŠธ๋Ÿผ ์ •๋ณด๋ฅผ ํ†ตํ•ฉํ•˜๋Š” ์ƒˆ๋กœ์šด ์•„ํ‚คํ…์ฒ˜์˜ ๊ฐ€๋Šฅ์„ฑ์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋‹ค์–‘ํ•œ ์ŠคํŽ™ํŠธ๋Ÿผ ์ž…๋ ฅ ๊ตฌ์„ฑ(4์ฑ„๋„, 6์ฑ„๋„) ๋ฐ ๋‹ค์–‘ํ•œ ๋ฐ์ดํ„ฐ์…‹์—์„œ ๊ธฐ์กด ์ตœ์‹  ๋ชจ๋ธ ๋Œ€๋น„ ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ์ž…์ฆํ•˜์—ฌ, ์‹ค์ œ ํ† ์ง€ ํ”ผ๋ณต ๋ถ„ํ•  ์‘์šฉ ๋ถ„์•ผ์— ๋Œ€ํ•œ ์ž ์žฌ๋ ฅ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
โ€ข
๋ชจ๋ธ์˜ ์ปดํŒฉํŠธํ•œ ๋ณ€ํ˜•์ด ๋‚ฎ์€ ํ•™์Šต ์‹œ๊ฐ„๊ณผ ์ถ”๋ก  ๋น„์šฉ์œผ๋กœ๋„ ์ฃผ๋ชฉํ•  ๋งŒํ•œ ์„ฑ๋Šฅ์„ ๋‹ฌ์„ฑํ•˜์—ฌ, ์ž์› ์ œ์•ฝ์ ์ธ ํ™˜๊ฒฝ์—์„œ์˜ ๋ฐฐํฌ ๊ฐ€๋Šฅ์„ฑ์„ ์—ด์—ˆ์Šต๋‹ˆ๋‹ค.
โ€ข
๋ณธ ์—ฐ๊ตฌ๋Š” ํŠน์ • ์–ดํ…์…˜ ๋ฉ”์ปค๋‹ˆ์ฆ˜(CBAM)๊ณผ ํ™œ์„ฑํ™” ํ•จ์ˆ˜(ASAU)๋ฅผ ํ™œ์šฉํ•˜์˜€์œผ๋‚˜, ๋‹ค๋ฅธ ์ตœ์‹  ์–ดํ…์…˜ ๊ธฐ๋ฒ•์ด๋‚˜ ํ™œ์„ฑํ™” ํ•จ์ˆ˜์™€์˜ ๋น„๊ต ๋˜๋Š” ์กฐํ•ฉ์— ๋Œ€ํ•œ ํƒ์ƒ‰์€ ํ–ฅํ›„ ์—ฐ๊ตฌ ๊ณผ์ œ๋กœ ๋‚จ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๐Ÿ‘