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@ -124,7 +124,7 @@ The next figures show two common types of radial distortion: barrel distortion ( |
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![](pics/distortion_examples2.png) |
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![](pics/distortion_examples2.png) |
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In some cases the image sensor may be tilted in order to focus an oblique plane in front of the |
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In some cases the image sensor may be tilted in order to focus an oblique plane in front of the |
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camera (Scheimpfug condition). This can be useful for particle image velocimetry (PIV) or |
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camera (Scheimpflug principle). This can be useful for particle image velocimetry (PIV) or |
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triangulation with a laser fan. The tilt causes a perspective distortion of \f$x''\f$ and |
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triangulation with a laser fan. The tilt causes a perspective distortion of \f$x''\f$ and |
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\f$y''\f$. This distortion can be modelled in the following way, see e.g. @cite Louhichi07. |
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\f$y''\f$. This distortion can be modelled in the following way, see e.g. @cite Louhichi07. |
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