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사진측량 Photogrammetry. 강원대학교 지구물리학과 이훈열 교수 Ref: Lillesand and Kiefer, Remote Sensing and Image Interpretation, 3 rd ed., Chapter 4. Photogrammetry. The science, art, and technology of obtaining reliable measurements, maps, digital elevation models, and other derived products from photographs.
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사진측량Photogrammetry 강원대학교 지구물리학과 이훈열 교수 Ref: Lillesand and Kiefer, Remote Sensing and Image Interpretation, 3rd ed., Chapter 4.
Photogrammetry • The science, art, and technology of obtaining reliable measurements, maps, digital elevation models, and other derived products from photographs. • Horizontal ground distance and angle • Heights from relief displacement • Heights from image parallax
Geometry of Vertical Photograph From Loa and LOAA, OAA=(H-hA)xa/f From L’o’a’ and L’OA’A, OA’A=(H-hA)(-xa’)/f. Then, B=OAA+OA’A =(H-hA)(xa-xa’)/f L (Lense) L’ B (Base) f f b xa a’ xa’ Image plane o a b’ o’ Parallax: apparent change of position due to viewing point H pa=xa– xa’ OA OA’ A hA=H-Bf/pa OB OB’ B hA Similary, hB=H-Bf/pb hB hA-hB=Bf(1/pb-1/pa)