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Orthogonal Projection

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orthogonal projection [ȯr′thäg·ən·əl prə′jek·shən]
Also known as orthographic projection.
(graphic arts)
A two-dimensional representation formed by perpendicular intersections of lines drawn from points on the object being pictured to a plane of projection.
(mathematics)
A continuous linear mapPof a Hilbert spaceHonto a subspaceMsuch that if h is any vector inH,h=Ph+w, wherewis in the orthogonal complement ofM.
A mapping of a configuration into a line or plane that associates to any point of the configuration the intersection with the line or plane of the line passing through the point and perpendicular to the line or plane.

Orthogonal Projection 

a particular case of parallel projection in which the axis or plane of projection is perpendicular (orthogonal) to the direction of projection.



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is either the N x N identity matrix or I - Pw, where Pw is the orthogonal projection on a vector W in [C.
The technique for wipes is totally original and uses the orthogonal projections of the frames, filtered by reconstruction in order to define a "strip image", where the wipe transitions are identified again by morphological filtering.
 
 
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