๐ŸŒ  etc.

Equirectangular projection(๋“ฑ์žฅ๋ฐฉํ˜•๋„๋ฒ•) & Spherical Coordinates(๊ตฌ๋ฉด์ขŒํ‘œ๊ณ„)

darly213 2022. 7. 22. 16:49
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Equirectangular Projection

โ‡’ ๊ตฌํ˜• ๋ฌผ์ฒด๋ฅผ 2D ์ขŒํ‘œ๋กœ ํˆฌ์˜ํ•˜๋Š” ๋“ฑ/์žฅ๋ฐฉํ˜• ํˆฌ์˜๋„๋ฒ•

Apply equirectangular projection

โ†’ standard parallel = ์™œ๊ณก์ด ์—†๋Š” ๊ตฌ์˜ ์ค‘์‹ฌ(๊ฐ€๋กœ ์„ ) ์œ„๋„ โ‡’ In panorama, ์ ๋„ = standard parallel

Spherical Coordinate System

omnidirectional image capture ๋…ผ๋ฌธ ๋ฐœ์ทŒ ์ด๋ฏธ์ง€

โ‡’ 3์ฐจ์› ๊ณต๊ฐ„ ์ƒ์˜ ์ ์„ ๋‚˜ํƒ€๋‚ด๋Š” ์ขŒํ‘œ๊ณ„ (r, theta, psi)

Equirectangular Projection to Spherical Coordinate System

  • Omnidirectional Image Capture ๋…ผ๋ฌธ ์ฐธ์กฐ - 4. Transform Definition

 

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