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Definition
A perspective camera is a mathematical model of an ideal pinhole camera that follows perspective projection.
Background
A modern camera generally consists of an enclosed hollow with an opening (aperture) at one end for light to enter, a lens positioned in front of the opening, and a recording surface on the other end. In an ideal pinhole camera, the camera aperture is described as a point and no lenses are used to focus light. In that case, the camera can be modeled by a perspective transformation, thus also called perspective camera.
This model does not consider many effects of a real camera such as geometric distortions or blurring of unfocused objects caused by lenses and finite-sized apertures. Therefore, the pinhole camera model (perspective camera) can only be used as a first-order...
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References
Faugeras O (1993) Three-dimensional computer vision: a geometric viewpoint. MIT, Cambridge
Xu G, Zhang Z (1996) Epipolar geometry in stereo, motion and object recognition. Kluwer Academic, Dordrecht/Boston
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© 2014 Springer Science+Business Media New York
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Zhang, Z. (2014). Perspective Camera. In: Ikeuchi, K. (eds) Computer Vision. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-31439-6_114
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DOI: https://doi.org/10.1007/978-0-387-31439-6_114
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Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-30771-8
Online ISBN: 978-0-387-31439-6
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