Empowering display industry professionals with cutting-edge insights and analysis
by Chris Chinnock
It is possible for a variety of spectrally unique (and different) stimuli to produce identical visual responses. Spectrally variant color stimuli that are perceived identically are known as metamers. With display-rendered imagery, the objective …
Tags:Large Display Monitor| Laser Projectors| Rec 2020| SMPTE 2015| Vol 22 - Issue 44| Wide Colour Gamut (WCG)
by Chris Chinnock
The concept of better pixels means expanding the frame rates, color gamut, resolution and dynamic range of HD video to something “more.” But the human visual system is very complex and as these features …
Tags:Human Visual System (HVS)| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
ST 2094 is quite flexible allowing the use of windows to do specific transforms. That means a window may be used to apply a different transform for a bright highlight or dark region of …
Tags:Colour Management & Processing| Colour Quality| HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
One of the big areas of focus at the SMPTE conference was the need to ensure that the wide range of luminance and color carried in HDR signals will map correctly in SDR displays …
Tags:Colour Management & Processing| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44| Wide Colour Gamut (WCG)
by Chris Chinnock
A paper from Panasonic and NHK looked at the effects of LED lighting on the color reproduction of UHD images in a broadcast environment. The table below provides a nice summary of the type …
Tags:Large Display Monitor| Light Sources & Lamps| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
Grass Valley’s Sr. product Manager for Cameras, Klaus Weber, recently hosted a webinar on HDR (High Dynamic Range) for live TV production and also gave a paper at the SMPTE conference covering similar ground. …
Tags:Cameras| HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
Miller Schuck from RealD also gave a presentation on work they have done to understand the real contrast in a theater and how that might impact the design of a HDR projector. Schuck gave …
Tags:Cinema Projection| Contrast| HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
One of the papers delivered at the SMPTE conference focused on what the Chinese government and exhibitors are doing about image quality – both 2D and 3D. There already exists a Chinese standard, GD/J047-2013, …
Tags:3D Cinema| China| Cinema Projection| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
A special symposium on Virtual Reality (VR) was held to open the 2015 SMPTE fall conference here in Hollywood, California. There were a number of good papers, a nice panel and some demos that …
Tags:360 Degree Cameras| Large Display Monitor| SMPTE 2015| Virtual Reality| Vol 22 - Issue 44
by Chris Chinnock
The Society of Motion Picture and Television Engineers (SMPTE) has published a new study group (SG) report on the high-dynamic-range (HDR) imaging ecosystem. 170 top international experts contributed to the report, which summarizes an …
Tags:HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Chris Chinnock
When in Hollywood, you should do some sightseeing. For me, that meant a booth tour at the IMax theater adjacent to the SMPTE conference. This is located in the TCL Chinese theater (formerly the …
Tags:3D Cinema| 6p Laser| Cinema IMAX| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44
by Bob Raikes
The Hybrid Log Gamma transfer curve is a new proposal from the BBC and NHK (BBC Approach to HDR Has Advantages for Broadcasters). It’s viewed as a good fit for real time HDR acquistion …
Tags:HDR - High Dynamic Range| SMPTE 2015| sony
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