Antonio B. Martinez

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Inaccurate range estimates often restrict indoor positioning systems, resulting in a more remarkable drawback when using an already-deployed IEEE 802.11 network. This is the case of the time delay based location system that this paper deals with. The main causes of these inaccuracies are multipath and non-line-of-sight (NLOS) effects. These effects can be(More)
In this paper a new approach on scene change detection 1s provided In order t o lrnprove t h e e f f i c i e n c y f o r d i g i t a l image transrnlssion even ~f the camera i s moving. Thls app l i ca t ion shows the r e s u l t s obtained w l t h an unchanging scene seen from a mechanically unstable ( d u e t o atmospheric condi t ions and o t h e r d l s(More)
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