“…Intelligent image p rocessing systems are becoming increasingly important and have been applied in various fields like bio mechanics [1], [2], education [3], [4], [5], [6], medical [7], [8], [9], photography [10], b io metrics [11], [12], [13], [14], [15], [16], [17] mot ion tracking [18], [19], [20], [21], [22], [23], [24], defense [25], surveillance [26], character recognition [27], [28], [29], bioinformat ics [30], [31], etc. The development of intelligent systems based on mobile sensors has been aroused by the increasing need for automated surveillance of indoor environ ments such as airports [32], warehouses [33], production plants [34] etc.…”