Approximate Nearest Nighbor ์•Œ๊ณ ๋ฆฌ์ฆ˜

๐Ÿ“ ์ƒ์„ธ ์ •๋ฆฌ

  • ์ฃผ์–ด์ง„ ์ฟผ๋ฆฌํฌ์ธํŠธ์™€ ๋งค์šฐ ๊ฐ€๊นŒ์šด ๋ฐ์ดํ„ฐ ํฌ์ธํŠธ๋ฅผ ์ฐพ๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜

    • ๊ธฐ๋ณธ์ ์œผ๋กœ๋Š” ๋ชจ๋“  ๋…ธ๋“œ์— ๋Œ€ํ•ด ํ™•์ธํ•ด๋ด์•ผํ•˜๋ฏ€๋กœ $O(N)$์ด๋‹ค.
  • KD-Trees

  • Locality-Sensitive Hashing (LSH)

  • Annoy (Approximate Nearest Neighbors Oh Yeah)

  • Linear Scan Algorithm

    • ์ด๊ฑด ์„ ํ˜•์ด์ž๋‚˜ ๋จธ์•ผ

โ”์งˆ๋ฌธ ์‚ฌํ•ญ

๐Ÿ”— ์ฐธ๊ณ  ์ž๋ฃŒ