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The issue is more with the dynamic range of the sensor than the ISO. Increasing the ISO would blow out the highlights long before providing sufficient detail of
by stuartgm 9y ago
The issue is more with the dynamic range of the sensor than the ISO. Increasing the ISO would blow out the highlights long before providing sufficient detail of the shadows (not to mention the increased noise).
Regardless of this camera's performance the LIDAR and other sensors should have picked this up.
- voxadam 9y agoIs there any reason it wouldn't be possible to employ multiple cameras each with varying gain/ISO/aperture/exposure/shutter-speed to combat the narrow dynamic range of the individual sensors? Basically create an HDR stream in parallel instead of in series by varying the settings from frame to frame. Disclaimer: I have a frustratingly poor understanding of this subject, something I desperately need to remedy.
- stuartgm 9y agoThis sort of method is used in the Canon DSLR custom firmware Magic Lantern for HDR video - it brackets the exposure by ISO. However you have some problems with moving subjects: https://youtu.be/5me5jEr4ldQ?t=415 https://youtu.be/5me5jEr4ldQ?t=415 (warning - flashing images)
- voxadam 9y agoThat's interesting but it still seems to be utilizing a single sensor set to different exposures in series, not multiple synchronized global shutter image sensors each set to different exposures. While such a setup may have little to no use for human perception what I'm talking about is feeding each stream into a vision system, be it a classical vision pipeline or deep net system.