https://www.youtube.com/watch?v=ZNB6SpEBnBQ&list=PLgnQpQtFTOGRsi5vzy9PiQpNWHjq-bKN1&index=24 https://edward0im.github.io/mathematics/2020/06/03/multiple-view-geometry1/ https://darkpgmr.tistory.com/77 를 참고해서 포스팅했습니다.