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Causal Disentanglement-Inspired Degradation Representation Learning for Full-Reference Image Quality Assessment

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Zhen Zhang, Jielei Chu, Tian Zhang, Lin Ma, Fengmao Lv, Weide Liu, Tianrui Li, Yuming Fang

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ๊ธฐ์กด์˜ ํŠน์ง• ๋น„๊ต ๊ธฐ๋ฐ˜ FR-IQA ๋ชจ๋ธ๊ณผ ๋‹ฌ๋ฆฌ, ์ธ๊ณผ ์ถ”๋ก  ๋ฐ ๋ถ„๋ฆฌ ํ‘œํ˜„ ํ•™์Šต์— ๊ธฐ๋ฐ˜ํ•œ ์ƒˆ๋กœ์šด FR-IQA ํŒจ๋Ÿฌ๋‹ค์ž„์„ ์ œ์•ˆํ•œ๋‹ค. ์ฐธ์กฐ ์ด๋ฏธ์ง€์™€ ์™œ๊ณก ์ด๋ฏธ์ง€ ๊ฐ„์˜ ํŠน์ง• ๋ถˆ๋ณ€์„ฑ์„ ํ™œ์šฉํ•˜์—ฌ ์ฝ˜ํ…์ธ ์™€ ์™œ๊ณก์„ ๋ถ„๋ฆฌํ•˜๊ณ , ์ธ๊ฐ„ ์‹œ๊ฐ ๋งˆ์Šคํ‚น ํšจ๊ณผ๋ฅผ ๋ชจ๋ฐฉํ•œ ๋ชจ๋“ˆ์„ ํ†ตํ•ด ์ฝ˜ํ…์ธ ์˜ ์˜ํ–ฅ์„ ๋ฐ›๋Š” ์™œ๊ณก ํŠน์ง•์„ ์ถ”์ถœํ•œ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์—์„œ ๋†’์€ ์„ฑ๋Šฅ๊ณผ ์šฐ์ˆ˜ํ•œ ์ผ๋ฐ˜ํ™” ๋Šฅ๋ ฅ์„ ๋ณด์—ฌ์ค€๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

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๊ธฐ์กด FR-IQA ๋ชจ๋ธ์˜ ํŠน์ง• ๋น„๊ต ๋ฐฉ์‹์—์„œ ๋ฒ—์–ด๋‚˜ ์ธ๊ณผ ์ถ”๋ก  ๊ธฐ๋ฐ˜์˜ ์ƒˆ๋กœ์šด ์ ‘๊ทผ ๋ฐฉ์‹์„ ์ œ์‹œํ•˜์—ฌ FR-IQA ๋ถ„์•ผ์˜ ๋ฐœ์ „์— ๊ธฐ์—ฌํ•œ๋‹ค.
โ€ข
์ฐธ์กฐ ์ด๋ฏธ์ง€์™€ ์™œ๊ณก ์ด๋ฏธ์ง€ ๊ฐ„์˜ ์ฝ˜ํ…์ธ  ๋ถˆ๋ณ€์„ฑ์„ ํ™œ์šฉํ•˜๊ณ  ์ธ๊ฐ„ ์‹œ๊ฐ ๋งˆ์Šคํ‚น ํšจ๊ณผ๋ฅผ ๋ชจ๋ธ๋งํ•จ์œผ๋กœ์จ, ๋ณด๋‹ค ์ •ํ™•ํ•˜๊ณ  ํ•ด์„ ๊ฐ€๋Šฅํ•œ ์™œ๊ณก ํŠน์ง• ์ถ”์ถœ์ด ๊ฐ€๋Šฅํ•˜๋‹ค.
โ€ข
๋ ˆ์ด๋ธ”์ด ์—†๋Š” ํ™˜๊ฒฝ์—์„œ๋„ ํšจ๊ณผ์ ์ธ ํ•™์Šต ๋ฐ ์˜ˆ์ธก์ด ๊ฐ€๋Šฅํ•˜์—ฌ, ๋ฐ์ดํ„ฐ ๋ถ€์กฑ ๋ฐ ์‹œ๋‚˜๋ฆฌ์˜ค ํŠนํ™” ํ•™์Šต์— ๋Œ€ํ•œ ๊ฐ•๋ ฅํ•œ ์ผ๋ฐ˜ํ™” ๋Šฅ๋ ฅ์„ ๋ณด์—ฌ์ค€๋‹ค.
โ€ข
์ œ์•ˆ๋œ ๋ฐฉ๋ฒ•๋ก ์˜ ๋ณต์žก์„ฑ ๋ฐ ๊ณ„์‚ฐ ๋น„์šฉ, ๊ทธ๋ฆฌ๊ณ  ํŠน์ • ์™œ๊ณก ์œ ํ˜•์— ๋Œ€ํ•œ ์ผ๋ฐ˜ํ™” ์„ฑ๋Šฅ ํ–ฅ์ƒ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•˜๋‹ค.
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