A Novel Approach for Calculation of the Evidence Distance and the Evaluation of Sensor Credibility
Qiong Zhang · Chuangan jishu xuebao · 2010
Based on the information granularity theory,the Cognition Distance,a new distance between two bodies of evidence is proposed to solve the problem occurred when using the conventional method which was applied to evaluate the sensor credibility.Besides,the calculation of the credibility is proposed based on it..The evidences are discounted then by the discounting factor which is decided by the evidences' credibility.In the end,the modified evidence is fused by using the Evidence theory.Simulation experiments demonstrate the advantages of this new improved algorithm when dealing with different conditions,compared with modified combination rule of Evidence theory and some representative combination rule which based on the sensor credibility.