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Merge pull request #3711 from nisargthakkar:optical_flow_doc_fix

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Vadim Pisarevsky 2015-02-18 13:52:09 +00:00
commit 009ab70272
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doc/py_tutorials/py_video/py_lucas_kanade/py_lucas_kanade.markdown
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@ -46,7 +46,7 @@ get the following equation:
where: where:
\f[f_x = \frac{\partial f}{\partial x} \; ; \; f_y = \frac{\partial f}{\partial x}\f]\f[u = \frac{dx}{dt} \; ; \; v = \frac{dy}{dt}\f] \f[f_x = \frac{\partial f}{\partial x} \; ; \; f_y = \frac{\partial f}{\partial y}\f]\f[u = \frac{dx}{dt} \; ; \; v = \frac{dy}{dt}\f]
Above equation is called Optical Flow equation. In it, we can find \f$f_x\f$ and \f$f_y\f$, they are image Above equation is called Optical Flow equation. In it, we can find \f$f_x\f$ and \f$f_y\f$, they are image
gradients. Similarly \f$f_t\f$ is the gradient along time. But \f$(u,v)\f$ is unknown. We cannot solve this gradients. Similarly \f$f_t\f$ is the gradient along time. But \f$(u,v)\f$ is unknown. We cannot solve this