subjunctives - Is "considered" always followed by "as"?

I have the following idea:

1. 
   

   The reconstruction of object models is performed using a graph matching approach, which is considered a corner fixing dilemma.

   
   


2. 
   

   The reconstruction of object models is performed using a graph matching approach, which is considered as a corner fixing dilemma.

   
   

Which way is correct?