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Table 1 List of facial expressions and the corresponding landmarks used for feature extraction

From: paraFaceTest: an ensemble of regression tree-based facial features extraction for efficient facial paralysis classification

Facial expression

SO

IO

IC

MA

NT

N

at Rest

âś“

âś“

    
 

âś“

   

âś“

 

Raising of eyebrows

âś“

âś“

    
 

âś“

   

âś“

 

Smile

  

âś“

âś“

  
  

âś“

 

âś“

  
    

âś“

âś“

 

Frown

   

âś“

âś“

 
     

âś“

âś“