Proceedings

Deep Supervised Hashing with Nonlinear Projections

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Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence. Main track. Pages 2786-2792.

https://doi.org/10.24963/ijcai.2017/388

Abstract

Hashing has attracted broad research interests in large scale image retrieval due to its high search speed and efficient storage. Recently, many deep hashing methods have been proposed to perform simultaneous nonlinear feature learning and hash projection learning, which have shown superior performance compared to hand-crafted feature based hashing methods. Nonlinear projection functions have shown their advantages over the linear ones due to their powerful generalization capabilities. To improve the performance of deep hashing methods by generalizing projection functions, we propose the idea of implementing a pure nonlinear deep hashing network architecture. By consolidating the above idea, this paper presents a Deep Supervised Hashing architecture with Nonlinear Projections (DSHNP). In particular, soft decision trees are adopted as the nonlinear projection functions, since they can generate differentiable nonlinear outputs and can be trained with deep neural networks in an end-to-end way. Moreover, to make the hash codes as independent as possible, we design two regularizers imposed on the parameter matrices of the leaves in the soft decision trees. Extensive evaluations on two benchmark image datasets show that the proposed DSHNP outperforms several state-of-the-art hashing methods.

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     

       

                    



                                                                                                                                                                                        

 

                                                                            

                     

                                                                                                

                                                                                                                                                                                                    

                                                             

                                                                                                                      

      

  •                                              
  •                                   
  •                          

 

                                                                                                                                                                                                                                  

                                                                   

                                                                                                            

                                                                                                 

      

                                                                                      

 

                                                                                                                                                                   

Formula not decoded

                                    

Formula not decoded

   

                                                                                                                                                                                                                  

                                                                                   

                  

Formula not decoded

                                                                                                                                           

Formula not decoded

      

  

                                                                                                                                                       

                                         

Formula not decoded

                                       

         

Formula not decoded

                                    

                               

                                   

Formula not decoded

                                                                                  

             

Formula not decoded

                                                      

  

                                                    

                                                                  

Formula not decoded

                   

Formula not decoded

                                                  

Formula not decoded

 

                                          

Formula not decoded

                                      

Formula not decoded
Formula not decoded
Formula not decoded

                      

Formula not decoded

       

         

Formula not decoded

                                                        

 

   

                                  



                                                                                                  



                                                                                                           

                     

  

                                                                                                                         

  

    

                  

  

      
      

                                                                                                                                                             

    

                                                                                                                                     

                 














    

 

               

  •                 
  •                        
  •                          
  •                         

                                                                                                 



                                                                                                

                                                                                                                                                                                                                   

 

                                                                                                                                 



  •              
  •                    
  •                        
  •                        
  •                         
  •                     
  •             
  •             
  •                 
  •                 
  •                     
  •              
  •                          
  •                           
  •                       
  •                          
  •                              
  •                          
  •                      
  •                       
  •                  
  •                    
  •                  
  •                                
  •                      
  •                   
  •                     
  •                      
  •                
  •                           
  •                        
  •                             
  •                          
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