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SSMamba: A Self-Supervised Hybrid State Space Model for Pathological Image Classification

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  • Haebom
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์ €์ž

Enhui Chai, Sicheng Chen, Tianyi Zhang, Xingyu Li, Tianxiang Cui

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ์—ฐ๊ตฌ๋Š” ๋ณ‘๋ฆฌ ์ง„๋‹จ์—์„œ ROI(๊ด€์‹ฌ ์˜์—ญ) ๋ถ„์„์˜ ์„ธ ๊ฐ€์ง€ ์ฃผ์š” ํ•œ๊ณ„์ (๋ฐฐ์œจ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ๋„๋ฉ”์ธ ์ด๋™, ๊ตญ์†Œ-์ „์—ญ ๊ด€๊ณ„ ๋ชจ๋ธ๋ง์˜ ๋น„ํšจ์œจ์„ฑ, ๋ฏธ์„ธ ๊ฐ๋„ ๋ถ€์กฑ)์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด SSMamba๋ผ๋Š” ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ž๊ธฐ ์ง€๋„ ํ•™์Šต(SSL) ํ”„๋ ˆ์ž„์›Œํฌ๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. SSMamba๋Š” Mamba Masked Image Modeling(MAMIM), Directional Multi-scale(DMS) ๋ชจ๋“ˆ, Local Perception Residual(LPR) ๋ชจ๋“ˆ์„ ํ†ตํ•ฉํ•˜์—ฌ ๊ฐ•๋ ฅํ•œ ๋ฏธ์„ธ ํŠน์ง• ํ•™์Šต ๋Šฅ๋ ฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

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๋ณ‘๋ฆฌ ์ด๋ฏธ์ง€ ๋ถ„์„์—์„œ ROI ์ˆ˜์ค€์˜ ๊ณ ์ • ์Šค์ผ€์ผ ์‚ฌ์ „ ํ•™์Šต์˜ ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•˜๊ณ  ๋‹ค์–‘ํ•œ ์ž„์ƒ ํ™˜๊ฒฝ์— ์ ์‘ํ•  ์ˆ˜ ์žˆ๋Š” ๋„๋ฉ”์ธ ์ ์‘ํ˜• ๋ชจ๋ธ ์„ค๊ณ„์˜ ์ค‘์š”์„ฑ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
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Mamba ๊ธฐ๋ฐ˜ ์•„ํ‚คํ…์ฒ˜์™€ ๊ธฐ์กด Vision Transformer ๊ธฐ๋ฐ˜ ๋ชจ๋ธ์˜ ๊ฐ•์ ์„ ๊ฒฐํ•ฉํ•œ ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ ‘๊ทผ ๋ฐฉ์‹์ด ๊ตญ์†Œ ๋ฐ ์ „์—ญ ํŠน์ง•์„ ํšจ๊ณผ์ ์œผ๋กœ ํ†ตํ•ฉํ•˜๊ณ  ๋ฏธ์„ธํ•œ ์ง„๋‹จ ๋‹จ์„œ๋ฅผ ํฌ์ฐฉํ•˜๋Š” ๋ฐ ์œ ๋ฆฌํ•จ์„ ์ž…์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.
โ€ข
์ œ์•ˆ๋œ SSMamba๋Š” ์—ฌ๋Ÿฌ ๊ณต๊ฐœ ROI ๋ฐ WSI ๋ฐ์ดํ„ฐ์…‹์—์„œ ๊ธฐ์กด ์ตœ์‹  ๊ธฐ์ˆ (SOTA) ๋ชจ๋ธ๋“ค์„ ๋Šฅ๊ฐ€ํ•˜๋Š” ์„ฑ๋Šฅ์„ ๋‹ฌ์„ฑํ•˜์—ฌ, ๋ณ‘๋ฆฌ ์ด๋ฏธ์ง€ ๋ถ„์„์„ ์œ„ํ•œ ์ž‘์—…๋ณ„ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„์˜ ์šฐ์ˆ˜์„ฑ์„ ๊ฒ€์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.
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๋ณธ ์—ฐ๊ตฌ๋Š” ๋Œ€๊ทœ๋ชจ ์™ธ๋ถ€ ๋ฐ์ดํ„ฐ์…‹ ์—†์ด๋„ ํšจ๊ณผ์ ์ธ ๋ฏธ์„ธ ํŠน์ง• ํ•™์Šต์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜์ง€๋งŒ, ์‹ค์ œ ์ž„์ƒ ํ™˜๊ฒฝ์—์„œ์˜ ํ†ตํ•ฉ ๋ฐ ์ถ”๊ฐ€์ ์ธ ๊ฒ€์ฆ์ด ํ•„์š”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๐Ÿ‘