Give more value than people expect. Matt Badiali began his career as a scientist.
All of the details including the measurements and analysis are documented within the dedicated sections for each topic. They were set up in a Shoot-Out configuration for detailed simultaneous side-by-side comparisons as shown in Figure 1 below.
Both of these competing 3D technologies each have their own set of particular strengths and weaknesses. For Active Shutter Glasses the main issues are excessive flicker, image crosstalk and ghosting, insufficient brightness, problems with viewing comfort and cost of the glasses.
For Passive Glasses the main issues are questioned resolution and sharpness, restricted viewing distances, angles and positions.
Summary of Results For the Active Shutter Glasses we found the flicker quite annoying and tiring, but the Passive Glasses were completely free of flicker, which is discussed in detail in the Flicker section.
While not everyone notices the 60 Hz shutter flicker from the Active Glasses, it is still possible to be affected by flicker and not be aware that it is present.
Most people can sense flicker at 60 Hz or even above. CRTs were well known sources of 60 Hz flicker. In fact, most people ran their CRTs at 75 or 85 Hz or above because of flicker, so 60 Hz flicker is a firmly established phenomenon — as a result a significant portion of the population may be susceptible to flicker from Active Shutter Glasses.
Subliminal flicker, which is flicker just below the threshold of conscious detection, can also cause visual fatigue.
There are good reasons for suspecting that a portion of the eye strain associated with 3D TV is the result of flicker and subliminal flicker from Active Shutter Glasses. For most viewing angles and viewing positions the Active Glasses also had considerably more Crosstalk and Ghosting, which are not only annoying but more importantly interfere with the 3D imaging and 3D Contrast — the measurements are in Table 2 and are discussed in detail in the Crosstalk and Ghosting with Viewing Angle and Position section.
Passive Glasses also did considerably better with varying Head Tilt, which is very important during normal TV viewing — the measurements are in Table 3 and are discussed in detail in the Crosstalk and Ghosting with Head Tilt section. None of these affect normal 3D TV viewing in our opinion, and none of them apply to 2D viewing.
In general, most reviews and evaluations agree fairly well with the above points, but our extensive measurements quantitatively show how much better the Passive Glasses perform under a wide range of typical viewing conditions. Although unsubstantiated it still seems to have evolved into some sort of myth based on hearsay instead of actual scientific visual evaluation.
The 3D TV images have only horizontal parallax from the horizontally offset cameras, so the vertical image content for the right and left eyes are in fact identical — but with purely horizontal parallax offsets from their different right and left camera viewpoints. That is the theory and fundamental principle behind 3D Image Fusion for FPR TVs — so next we actually tested it to see how accurate it is and how sharp the 3D images actually appear.
Sharpness and Resolution with Active Shutter Glasses Active Shutter Glasses also have 3D image sharpness issues, but they instead arise from left-right image Crosstalk that can blur fine detail and muffle the 3D image depth and 3D Contrast. So both 3D technologies have 3D Image Sharpness issues — so we needed to test them both to see how well they actually do… Testing 3D Image Sharpness Because the 3D images are created in the brain, instruments can not be used to measure how sharp or muffled they appear on a given 3D TV — that can only be done with human vision by actually viewing 3D content — but it can be done in a very precise and analytical manner.
What matters here is the actual 3D visual performance NOT an analysis of the display hardware diagnostic performance the way it is normally done for 2D displays — and DisplayMate Technologies is considered the world leader in this area by many.
We performed a series of quantifiable sharpness tests by using what is in effect a Reverse Vision Test where we determine 3D image sharpness by how small a text that can be read on a given 3D TV at a given distance when viewing regular Blu-ray movie content.
If there is Image Fusion we should be able to read particularly small size text 6 to 10 pixels in height with the Passive Glasses, but if the Passive Glasses only deliver half the resolution, as some claim, then it will be impossible to read the small text on the FPR TVs.
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The primary source for our tests was the Blu-ray documentary IMAX Space Station 3D because it has very high quality 3D imaging shot by NASA with an IMAX stereo camera without artificial effects or special effects and the spacecraft has lots of labels and printed signs with small text on the instruments and walls that are great for detailed quantifiable sharpness comparisons.
They were all done at the closest recommended 3D viewing distance of 6 feet. In all cases the small text 6 to 10 pixels in height was readable on the FPR Passive Glasses, which definitively establishes that there is excellent 3D Image Fusion and the Passive Glasses deliver full p resolution in 3D.
Again, if the Passive Glasses only delivered half the resolution, as some claim, then it would have been impossible to read the small text on the FPR TVs. So those half resolution claims are manifestly wrong — no, ands ifs or buts! Furthermore, in all cases the small text was actually sharper and easier to read and fine details easier to resolve on the FPR Passive Glasses than on the Active Glasses because of the Crosstalk, ghosting and Response Time issues that reduce 3D image sharpness and 3D contrast in Active Glasses TVs.
We also compared the small text 3D visual sharpness to the 2D sharpness by repeatedly turning the 3D mode on and off for each of the TVs and watching in 3D with glasses and then 2D without glasses.
Some reviewers have evaluated 3D TVs by analyzing the combined display hardware performance for the right and left channels instead of the actual 3D visual performance tests that we have done.
That simply leads to incorrect conclusions in the case of 3D vision because of Image Fusion in the brain. In fact, based on our own extensive display diagnostic tests it is clear that the FPR TVs have been optimized for the best 3D visual performance when viewing natural photographic and video content instead of the best hardware diagnostic performance — that is most likely why they perform so well with 3D vision.The introduction of technology to the bedside is unarguably changing the delivery of care, but is it all progressive?
Not many will argue that the delivery of our care has to change with the changing patient population. c American discovery may not be the first. Soviet and East European electromagnetic bioeffect literature is prior, more extensive, and transparent.
A translated Russian treatment is the next text reference, which refers to F. Cazzamalli, an Italian, who mentioned radiofrequency hallucination about Dark Field Microscopic Blood Analysis.
You may find it difficult to locate many medical doctors that use this technique. The FDA does not approve of dark field microscopic blood analysis, therefore many doctor's hands are tied.
In the movie, what had been assumed as reality is only a virtual representation generated by machines that took over the population and control of mankind. Aug 30, · Why Compliance Is A Business Enabler, Not A Hindrance Thomas Sehested CommunityVoice Forbes Technology Council CommunityVoice i Opinions expressed by Forbes Contributors are their own.
The influx and popularity of technology within the world of healthcare can sometimes overshadow its developing dominance at the bedside. Everything from the electronic health record all the way to real-time point-of-care delivery systems are the wave of the future.
The immediacy, convenience and.