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Table 6:
Comparison of Classification Accuracy and Speed on the AR Database with the Task of Face Image Classification.
ModelMethodAccuracyCPU Time (h)
LRR ADMM 10 
R-LRR partial ADMM 86.3371% 53.5165 
R-LRR REDU-EXPR 90.1648% 0.5639 
R-LRR REDU-EXPR with filtering 90.5901% 0.1542 
ModelMethodAccuracyCPU Time (h)
LRR ADMM 10 
R-LRR partial ADMM 86.3371% 53.5165 
R-LRR REDU-EXPR 90.1648% 0.5639 
R-LRR REDU-EXPR with filtering 90.5901% 0.1542 

Notes: For fair comparison of both the accuracy and the speed for different algorithms, the parameters are tuned to be the best according to the classification accuracy, and we observe the CPU time. The figures in bold refer to the best results.

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