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Journal of Sensors
/
2021
/
Article
/
Alg 1
/
Research Article
Improved Particle Filter Using Clustering Similarity of the State Trajectory with Application to Nonlinear Estimation: Theory, Modeling, and Applications
Algorithm 1
Standard particle filter.
Step 1
. Particle initialization
At time
,
for
Sample
At time
,
for
Step 2
. Sequential importance sampling
Predict
,
sample
Evaluate the normalized importance weights
,
and
Step 3
. Resampling strategy
Calculate effective samples
Compare resampling threshold
if
,
and
else
Step 4
. State estimation