and 
We want to track them under the environment shown in the above applet, where there is one camera in each room and the coridorr has no sensor or no measurement at all.
Click on the applet. There are two characters on the applet. To move the first character, press "a": left, "d": right, "w": up, "s": down. Similarly, the second character can be moved around by pressing "j": left, "l": right, "i": up, "k": down.
Recall that in the Mouse Tracker page, tracking with full observation using Particle Filter is implemented. In this page, we are going to show how to extend the Particle Filter into non-overlapped region tracking. The problem can be formulated as follow: Given two targets and We want to track them under the environment shown in the above applet, where there is one camera in each room and the coridorr has no sensor or no measurement at all.
Similarly this site aims to get you a better understanding on how Particle Filter can be use to perform probabilistic predict under this circumstance. The real testing of Particle Filter on real environment can be found in the following link