 
                                Yu-Xiang Wang
@yuxiangw_cs
Faculty @hdsiucsd, director of S2ML lab. Visitor @awscloud. Prev @ucsbcs @SCSatCMU. Researcher in #machinelearning, #reinforcementlearning, #differentialprivacy
ID: 1427345971587928081
https://cseweb.ucsd.edu/~yuxiangw/ 16-08-2021 19:06:31
828 Tweet
3,3K Followers
334 Following
 
         
        Why are diffusion model creative? #CPAL2025 invited speaker Surya Ganguli gives a compelling theory that it is creative because it mixes and matches local patches from many different training images.
 
                        
                    
                    
                    
                 
        #CPAL2025 invited speaker Yuandong Tian shows that attention map first goes *sparser* than gets *denser* as we train a nonlinear attention mechanism using gradient flow — and the phenomena show up in the experiments too.
 
                        
                    
                    
                    
                 
         
         
         
         
         
         
         
         
         
         
                         
                         
                         
                         
                         
                        