I read this paper and need your help to understand it.

Object Tracking with Improved Detector of Objects Similar to Target

In paper, particle at the frame $t$ is represented by: $$c^{(i)}_t(i=1,\ldots, N)$$ and after that say let $c^{(i)}_t$ used by the proposed method be defined as

$$(x^{(i)}_t, y^{(i)}_t, u^{(i)}_t, v^{(i)}_t, w^{(i)}_t, h^{(i)}_t)$$

where $(x^{(i)}_t, y^{(i)}_t)$ represents the center position of the target object, $(u^{(i)}_t, v^{(i)}_t)$ represents the velocity of it and $(w^{(i)}_t, h^{(i)}_t)$ represent the width and the height of the rectangle which involves the target object.

I can't understand if $c^{(i)}_t$ is particle and a particle is a pixel. How a particle in Particle Filter can have width and height?

How to set $x$,$y$ of the target for a particle?

  • $\begingroup$ Can you please edit the question for clarity and if possible, include a link to the paper you are referring to? $\endgroup$ – A_A Oct 2 '16 at 7:05
  • $\begingroup$ what paper you read !? please add reference link to your paper or add some content to your question! $\endgroup$ – Behzad Oct 2 '16 at 8:00
  • $\begingroup$ sciencedirect.com/science/article/pii/S1877050915023546 $\endgroup$ – ehsan rakhshani Oct 2 '16 at 8:31

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