Title :
The Research of Data Fusion Method for Sample Mean Random Weighting Estimation
Author :
Gao, Shesheng ; Feng, Zhihua ; Li, Huaxing
Author_Institution :
Coll. of Autom., Northwestern Polytech. Univ., Xi´´an
Abstract :
First a new method of random weighting estimation is applied to multi-sensor data fusion, a random weighting data fusion method of multi-source sensor is proposed. According to maximum likelihood theory, random samples coming from different sensors (same mean different variance) are fused in an effective way, and a new estimation of mean is gained, thus interference from low-precision detecting results is eliminated and accuracy of the detection results is enhanced. Secondly, an optimal fusion algorithm of multidimensional position based on the random weighting estimation is proposed. Research result shows that the new algorithm has a better performance than traditional information fusion method
Keywords :
maximum likelihood detection; maximum likelihood estimation; random processes; sampling methods; sensor fusion; information fusion; maximum likelihood theory; multisensor data fusion; sample mean random weighting estimation; Distribution functions; Educational institutions; Interference elimination; Maximum likelihood detection; Maximum likelihood estimation; Multidimensional systems; Parameter estimation; Random variables; Sensor arrays; Sensor fusion; Datafusion; Multi-sensor system; Random weighting estimation;
Conference_Titel :
Information Acquisition, 2006 IEEE International Conference on
Conference_Location :
Weihai
Print_ISBN :
1-4244-0528-9
Electronic_ISBN :
1-4244-0529-7
DOI :
10.1109/ICIA.2006.305778