Neural network decision directed edge-adaptive Kalman filter for image estimation Azimi-Sadjadi, Mahmood R. ; Xiao, Rongrui ; Yu, Xi A neural network-based scheme for decision directed edge-adaptive Kalman filtering is introduced in this work. A backpropagation neural network makes the decisions about the orientation of the edges based on the information in a window centered at the current pixel being processed. Then based upon the neural network output an appropriate image model which closely matches the local statistics of the image is chosen for the Kalman filter. This prevents the oversmoothing of the edges, which would have otherwise been caused by the standard Kalman filter. Simulation results are presented which show the effectiveness of the proposed scheme. Colorado State University. Libraries 1999 text ; image application/pdf ECEmra00051.pdf FACFECEN100531ARTI eng c1999 IEEE
Neural network decision directed edge-adaptive Kalman filter for image estimation
Azimi-Sadjadi, Mahmood R. ; Xiao, Rongrui ; Yu, Xi
A neural network-based scheme for decision directed edge-adaptive Kalman filtering is introduced in this work. A backpropagation neural network makes the decisions about the orientation of the edges based on the information in a window centered at the current pixel being processed. Then based upon the neural network output an appropriate image model which closely matches the local statistics of the image is chosen for the Kalman filter. This prevents the oversmoothing of the edges, which would have otherwise been caused by the standard Kalman filter. Simulation results are presented which show the effectiveness of the proposed scheme.
Colorado State University. Libraries
1999
text ; image
application/pdf
ECEmra00051.pdf
FACFECEN100531ARTI
eng
c1999 IEEE