[HN Gopher] Direct Voxel Grid Optimization
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       Direct Voxel Grid Optimization
        
       Author : lnyan
       Score  : 37 points
       Date   : 2022-06-14 04:26 UTC (18 hours ago)
        
 (HTM) web link (sunset1995.github.io)
 (TXT) w3m dump (sunset1995.github.io)
        
       | chroem- wrote:
       | What's the difference from regular photogrammetry?
        
         | goodmattg wrote:
         | Uses coordinate-based neural networks to model the scene
         | volumetrically. However, in the case of this paper does not use
         | an MLP to represent the scene. Instead, proposes to directly
         | learn a voxel grid representation.
         | 
         | For an excellent review check out Advances in Neural Rendering:
         | https://arxiv.org/abs/2111.05849
        
           | chroem- wrote:
           | > learn a voxel grid representation
           | 
           | But isn't that what photogrammetry does?
        
             | CyberDildonics wrote:
             | Typically it creates polygonal models with the photos used
             | to directly texture them.
        
           | fxtentacle wrote:
           | so basically Agisoft Photoscan, a photogrammetry software
           | based on casting rays through a voxel grid?
        
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       (page generated 2022-06-14 23:00 UTC)