ITU Rec. BT.2020 coverage

[bhu]

This is a discussion on the future of television and how it may impact digital photography, cinematography, print, and other media; particularly how extensively the new ITU Recommendation BT.2020 could, or should, be supported by future Fujifilm cameras.

 

First, read up on the developing specification, if you are new to the standard.

https://en.wikipedia.org/wiki/Rec._2020

https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.2020-0-201208-S!!PDF-E.pdf

 

Next, assume pixel count is not a limitation for 4K (8,299,400 picture elements) in the near future and 8K (33,177,600 pixels) sometime farther into the future.

 

Assume, also, that photography, cinematography, and television will further converge as new video standards like BT.2020 improve image quality toward something more acceptable for photography.

 

Now, I have some questions to ask the community, especially those with color science and imaging science background.

 

1. How close are current and near-future sensors to meeting BT.2020 color bit depth and chromaticity targets for red, green, and blue primaries? Is it possible to have a Fujifilm camera capable of meeting the BT.2020 standard anytime soon?

 

2. Would additional primary colors be more desirable? For example, two green elements with different dominant wavelengths like a 530 nm green and a 505 nm green, or two green elements having the same dominant wavelengths but different half-maximum bandwidths for a "pure" 530 nm green and a "leaky" 530 nm green like Fujifilm's EXR pixel mosaic. A combination of both examples is also possible.

 

Sensitivity is a trade-off to obtain higher pixel density and higher color purity but sensor technology should continue to improve over time. Developments in quantum-dot-based sensors may, or may not, pan out but there is a lot of potential, yet, for sensor dynamic range and color purity, as well as display reproduction of recorded images.

 

Color (reproduction) accuracy will likely be a hot topic for some time to come as displays like OLEDs and quantum-dot backlit LCDs continue entering the consumer market capable of displaying greater color space than recorded media and the sensors doing the recording.

 

A Fujifilm camera able to accurately record images (and video) to the ITU BT.2020, and other future standards, would be very forward-thinking but, as an outsider, I do not have the insight into sensor and calibration development.

 

Please post your thoughts and insight and I apologize in advance for any inaccuracies or misconceptions in my post.

[bhu]

I will just leave this article on HDR WCG here.

 

Digital display hardware is changing. Many new TVs, monitors, and cell phones can "reproduce" colors not available in the original media and so are out of calibration. I do hope Fujifilm will offer settings to encode images that conform to the new wide color gamut and high dynamic range for accurate reproduction.