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> HDR+ addresses this problem by taking a burst of shots with short exposure times, aligning them algorithmically, and replacing each pixel with the average col
by ggambetta 9y ago
> HDR+ addresses this problem by taking a burst of shots with short exposure times, aligning them algorithmically, and replacing each pixel with the average color at that position across all the shots.
This is almost exactly how you'd make super-resolution pictures (adding a nearest-point scaling up step at some point! Yet their super-resolution app (Photoscan) has some sort of artificial upper resolution limit. If they do plan to expose this capability to 3rd parties, I hope someone makes a proper scan/super-resolution app! Also tried Office Lens, also left disappointed :(
- TheAdamist 9y agoSuper resolution would want to utilize the OIS to artificially shift the lens around instead of cancelling movements. I dont think they are exposing anything like that.
- londons_explore 9y agoTurns out one doesn't have to. The users hand movements are at least one pixel as long as the phone is handheld. Just use natural movement to do superresolution. Everything you need is available in the camera2 RAW API. Using the users hand movements help cancel out various types of per-physical-pixel noise too.