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Sal@mander.xyz ⁨2⁩ ⁨days⁩ ago

Interesting examples, we’re really splitting hairs here.

Haha, maybe 😜 I did some reflection about why the term ‘artificial’ in the context of photography made me want to jump into the conversation in the first place. I think that the reason is that the term ‘artificial’ implies that there is a boundary between what corresponds to a ‘natural’ photograph and an ‘artificial’ photograph.

Thanks for responding to those examples and giving a definition, I think now I better understand what you mean when you say ‘artificial’. I was interpreting it from a universal point of view of ‘natural/artificial’, but I see now that you meant it in the sense of the camera’s nature. So, if one simply takes a photo with the camera, it is ‘natural’ in the sense that the camera’s nature was enough to capture that image. When a human applies uses a technique that creates an image cannot be captured by the camera itself, then it is ‘artificial’.

No need to continue discussing the semantics of ‘artificial’, I think we both know what each other means now 😄

Still, always to chat more about these things as I enjoy talking about techniques. I am actually considering getting a monochrome industrial camera to create some color images manually. I already have filters from UV to the near-IR. Like what I mentioned in example 4. I am curious about whether I can capture noticeably better luminances throughout by using the filters manually. I’m also keeping an eye for an affordable camera with this sensor type: www.sony-semicon.com/en/…/multispectral.html …

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ChaoticNeutralCzech@feddit.org ⁨2⁩ ⁨days⁩ ago
I get why the Bayer filter exists but I’m not really fond of RGGB being effectively the only one available. Why not RGBW with some interesting wavelength response of the white subpixel?

Same with LCDs. It wouldn’t take much change in the manufacturing process much to create a WWW or YWB 1080p LCD that has less or no color but passes way more light, allowing less backlight or even a reflective mode, while still being driven with conventional electronics. These could be used in public transport signage etc. In some cases, a monochrome LCD with RGB backlight could also come in handy.

Also not really related but it infuriates me that Samsung turned the Bayer filter 45°, halved the pixel count and patented it as an OLED pattern so nobody can make similar displays.

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- Sal@mander.xyz ⁨2⁩ ⁨days⁩ ago
  
  Why not RGBW with some interesting wavelength response of the white subpixel?
  
  Hmm, I’m not really sure. A monochrome pixel would be much more sensitive, but without a neutral density filter it might saturate when the RGB pixels are well-exposed. With a neutral density filter I think it could resolve better the variation of light intensities of very small features.
  
  Same with LCDs. It wouldn’t take much change in the manufacturing process much to create a WWW or YWB 1080p LCD that has less or no color but passes way more light, allowing less backlight or even a reflective mode, while still being driven with conventional electronics
  
  So, would the WWW be a monochrome LCD? Wouldn’t these be similar to the ones sometimes used in small electronic displays like this one:
  
  Image
  
  I am not sure of what the YWB would do.
  
  These could be used in public transport signage etc. In some cases, a monochrome LCD with RGB backlight could also come in handy.
  
  I am also interested in the use of the ‘E-Ink’ displays for public signage in well-illuminated places. I found a few examples online:
  
  Image
  
  Also not really related but it infuriates me that Samsung turned the Bayer filter 45°, halved the pixel count and patented it as an OLED pattern so nobody can make similar displays.
  
  I am not familiar with this… I looked it up and I think it is this? en.wikipedia.org/wiki/PenTile_matrix_family
  
  I’ll look into it. Interesting!
  
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  - ChaoticNeutralCzech@feddit.org ⁨2⁩ ⁨days⁩ ago
    Yes, a WWW display is monochrome, tripling its light throughput. A YWB display is capable of color on the blue-yellow axis and has double the light throughput of RGB. What you’re showing is a passive STN display, I’m after an active matrix (TFT or IPS). To save on driver development, there will still be subpixels, just without color.
    
    As for the OLED, I mean this pattern:
    Image
    
    Maybe this one is not Samsung’s patent but either way, they sought to ban their patented pixel patterns’ import to the US, effectively banning all but large-volume shipments of OLEDs (because the customs can’t check for pixel patterns whenever a US repair shop orders a spare).
    
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    Sal@mander.xyz ⁨2⁩ ⁨days⁩ ago
    Some of these terms I am not yet familiar with, so I will need to do some reading. I’ll save this comment and come back during the week. It seems like you are very knowledgeable about display technologies! Very cool
    
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