Homography
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Homography - Wikipedia Jump to content From Wikipedia, the free encyclopedia Isomorphism of projective spaces in geometry This article is about the mathematical notion. For other uses, see Homography (disambiguation) . In projective geometry , a homography is an isomorphism of projective spaces , induced by an isomorphism of the vector spaces from which the projective spaces derive. [ 1 ] It is a bijection that maps lines to lines, and thus a collineation . In general, some collineations are not homographies, but the fundamental theorem of projective geometry asserts that is not so in
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