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androidlad

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Everything posted by androidlad

  1. It's a purpose-built Panasonic sensor, it can output 8K 60P. When you don't have power and thermal and form-factor constraints, it's not hard to build something like this. But it's entirely something else when you try to miniaturise it into a consumer product, this sensor assembly alone consumes a whopping 10W power.
  2. BRAW is not really RAW in a conventional sense, it's partially debayered and processed. And there's absolutely noise reduction going on in BRAW, however BMD seem to have turned it down on 4.6K G2 vs G1 (12.1 stops in BRAW on G2 vs 12.6 on G1)
  3. In stills mode, they use 14bit ADC. In video mode it's 12bit, because to achieve video frame rate (at least 24fps), ADC bit-depth has to be dropped to increase speed.
  4. EOS R5 just passed global Bluetooth certification.
  5. Well there are actually RAW formats, ARRI and Canon uses 12bit logarithmic RAW encoding. In this case, ProRes RAW is designed to be linear.
  6. https://www.dpreview.com/news/1623284310/canon-releases-100-firmware-update-for-professional-stop-motion-photography It increase USB liveview output from 960x640 to 1920x1280.
  7. androidlad

    Fuji X-T4

    All the info is here:
  8. My god he's HOT
  9. Yes obviously, those RAW formats are standard in MIPI CSI-2 interface protocol.
  10. https://www.engadget.com/raspberry-pi-12-megapixel-c-mount-camera-084145607.html It uses IMX477, a BSI & stacked 1/2.3" 12MP sensor. It's capable of full 12MP readout at 60fps with 10bit ADC, and 40fps with 12bit ADC. https://www.sony-semicon.co.jp/products/common/pdf/IMX477-AACK_Flyer.pdf
  11. Again, marketing BS. Sony uses DBI stacked sensor with DRAM, Samsung's 108MP sensor is not stacked (but Samsung does have stacked sensors), of course it's slower.
  12. https://videoai.topazlabs.com/
  13. NTSC 720x480 with 0.9091 PAR with the padding removed is 704x480, then converted to square pixel results in 640x480. Either keep it 640x480, or upscale with a dedicated upscaling tool to HD. This is the proper way to do it.
  14. Those drones with 1" sensor have 12bit ADC, so the noise level will be noticeably better. Mavic 2 Pro is a special case because the 4K is either heavily subsampled from 5.5K full width, or 1:1 sampled from the centre. Both of them amplify noise level.
  15. Mobile phone CMOS sensors are generally 10bit ADC only, for power consumption and speed.
  16. The multi-frame stacked photos reduce some noise.
  17. From an academic point of view, what you are doing is essentially "digital curation" (well, a ghetto version). You would want to preserve all of the "significant properties" of the digital objects and only "transform" the intended property, which in this case, is the resolution. That means square pixel, HD with original 4:3 aspect ratio (960x720 or 1440x1080, depending on how good the upscaling algorithm is). The frame rate should also remain unchanged.
  18. On current sub 1" CMOS sensors like the IMX586 used on MAVIC Air 2, the ADC operates at only 10bit, this is the reason why even at base ISO, in both photo and video mode, anything below middle grey is covered in noise.
  19. androidlad

    RED Komodo

    RED may have helped Canon develop the DIGIC X Processor, and other yet to be announced ones
  20. Also consider Autel EVO II series, they are rapidly catching up and are pushing frequent firmware updates.
  21. Another thing is that with the switch to the new DJI Fly app, there's no longer the option to adjust the sharpening (and contrast, saturation). So in video mode you're stuck with the over-sharpened edge halo.
  22. The HDR video mode on Mavic Air 2 uses the DOL-HDR feature on the newer Sony sensors, it's very similar to dual gain but the two readout are not completely simultaneous (a few miliseconds apart), and requires 2 ADC for high and low gain, which halves the max frame rate and doubles the rolling shutter.
  23. The only caveat I agree with is the fact that it's a pre-production camera. Remember it was a standardised lab test, Alexa was tested in ProRes using the same methodology, so it's completely fair to test C300 MK III with XF-AVC. With Alexa being the benchmark, there's something to compare to, so if want to take into account DR distribution in specific log curves, highlight roll-off etc., then the Alexa DR would change too, so maybe instead of 14 vs. 12.8, you could get 15 vs. 13.8. Again remember it's a standardised test, the DR numbers are all relative to the benchmark, we can't look at them on their own.
  24. Because it's Quad Bayer RAW, it can look better than native 12MP if you capture 48MP and downscale in post.
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