In projective geometry, a homography is an isomorphism of projective spaces, induced by an isomorphism of the vector spaces from which they are derived. It is a bijection that maps lines to lines, and thus a collineation. In general, there are collineations which are not homographies, but the fundamental theorem of projective geometry asserts that...
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http://en.wikipedia.org/wiki/Homography
[computer vision] where d is the distance of the camera b to the plane. == Mathematical definition == In higher dimensions Homogeneous coordinates are used to represent projective transformations by means of matrix multiplications. With Cartesian coordinates matrix multiplication cannot perform the division required for perspective projecti...
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http://en.wikipedia.org/wiki/Homography_(computer_vision)
• (n.) That method of spelling in which every sound is represented by a single character, which indicates that sound and no other. • (n.) A relation between two figures, such that to any point of the one corresponds one and but one point in the other, and vise versa. Thus, a tangent line rolling on a circle cuts two fixed tangents of the ...
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http://thinkexist.com/dictionary/meaning/homography/
1. That method of spelling in which every sound is represented by a single character, which indicates that sound and no other. ... 2. <geometry> A relation between two figures, such that to any point of the one corresponds one and but one point in the other, and vise versa. Thus, a tangent line rolling on a circle cuts two fixed tangents of t...
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http://www.encyclo.co.uk/local/20973
Ho·mog'ra·phy noun 1. That method of spelling in which every sound is represented by a single character, which indicates that sound and no other.
2. (Geom.) A relation between two figures, such that to any point of the one corresponds one and but one point in the other, and vise...
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http://www.encyclo.co.uk/webster/H/57
homography That method of spelling in which every sound is expressed by a single character, which represents that sound and no other.
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http://www.wordinfo.info/words/index/info/view_unit/2724/34
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