David Grigorian
Well-known member
I have my fingers crossed for a Leica M mount. 
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This also affects ones choice between Al and Ti as weight / stress factors for module/lens attachment.
it sounds like the 'hologram' is kind of like a multi-directional 3d effect, instead of stereo-view it looks 3d from all angles. pretty cool really, although i'm not sure what kind of format to deliver in. you could shoot four cameras, or manually convert it by filling/painting the background, which can be tedious. there are also automatic and semi-automatic conversions, none of which i know to be available commercially, but i might be wrong. the main problem with stereo 3d is if you're not looking at it just the right way, the effect doesn't work, and this seems to resolve that shortcoming. but i don't think we're going to see princess leia popping out of it anytime soon.
Very well explained Eric.Appologies for length but seems the same perceptual questions keep popping up again and again... and Paulherrin is a very smart guy, so maybe worth some dis-ambiguation here ...
It seems to be a 4 channel (+?) autostereoscopic display (glasses free) that basically solves all the knarly artifacts of previous autostereoscopic (glasses free) displays; i.e. eliminates low res imagery and knarly moiré patterns. Also HYDROGEN by all accounts seems to be very silky and flawless and bright... / AMAZING.
The closest analogy I can think of in terms of how the holographic/multi 3d effect is experienced, would be to think of the pane of glass on the front as almost a compact portal to another dimension... With this type of display +ve and -ve display parallax of stereoscopic and 3d features should be possible. I.e. while gazing at the surface of the display it is possible to simultaneously see (perceive) 3d complex features (of an object or scene) both above the plane of the display and below. Also it's important to stress that the plane of the screen in a lot of instances is not noticeable... So not so much of a hotel lobby effect or objects in a "Fish Tank" effect when in 3d 4view+ holographic viewing mode, but much better than that.
Depending on content creation and software control and other goodies (as mentioned before), you can have scenes and objects that appear above the plane of the screen, below the screen or both simultaneously. You can even have things that recede to an infinitely far background (if need be). [Without getting too involved here, there are a few situations where you don't want parallaxes and perceived depths above and below the screen to compete with each other too much in extreme cases, but other wise there's a LOT creatively and technically that can be done]. Personally I'm super happy that the acquisition of high quality two view to 4 view + stereo imagery and the like is being recognized as a superior alternative to dimensionalization techniques from 2d imagery.. Phew! .. It's taken long enough for other's to realize that... And it seems that RED want to provide tools that enable people to attain world class imagery and better, in this particular domain... Something I applaud; Big time!![]()
[How things appear]:
So simple mental wordy analogy, imagine looking straight down on top of a beer or soda can (as displayed on your HYDROGEN ) . So you see and perceive the raised rim and edge of the top of the can as well as the relief differences of the ring-pull/tab etc. Imagine the top of the can stands out of the screen (as perceived) looking flat on to the display. Now imagine tipping the device 15 degrees down on its left edge... Then you get to see a different stereo pair (but maybe composed of one shot from the previous before tilted view). That second stereo view shows the beer-can as imaged and displayed revealing the can's right hand flanking cylindrical surface (in perspective consistent with a 15 degree tilt), a surface that was previously occluded when the device/HYDROGEN was in an un-tilted state. Similarly if you tilt the device to the right about 15 degrees you then see the left hand flanking side of the beer can receding into or towards the screen, and the top of the can appears as an mild ellipse, but the fine 3d features of the top of the can would still be perceivable. This is what gives you the "look around the object" effect and feel (and in fact you ARE looking around the object...(Within gross limits) BUT crucially its autostereoscopic so it appears as if its really there, not just a trick of "Fudging" perspectives two dimensionally as in some 2d displays that try to "fake" a 3d-ish-like 2 1/2D perception through computed perspective shifting. [Technical term: computed 2d motion parallax; for 2d "fudging" effect, NOT what HYDROGEN is doing ;-) ].
Clear as mud.
However, if you tilt the screen to a more oblique angle like 60 degrees then the zones for stereoscopic and 3d/holographic perception may "Drop out"... or just not be available to your eyes at very steep angles? [Perhaps?]. That's OK as 99.9999% of applications require one to look at the screen YKWIM?(rather than having 3d imagery when NOT looking at the screen lol).
Also, howeverStereo/3d / 4 view stereographics etc. are actually very tolerant of a high degree of tilt (in theory) as the 3d/stereoscopic image effectively "Shears" (almost imperceptibly and without apparent distortion) to meet you eyes... And you see it in perceivable 3d... Follows you around the room (if you like).
On the other hand if you tilt such a device 45 degrees-ish (tilt down on left side) you are not going to see holographic objects that make it past the left hand edge that are designed to stand out of the screen... I.e. the 4 view holographic/stereoscopic image of the beer can standing 100% out of the screen may not make it completely past the left edge (of the screen) as viewed. So that's if you like the edge or "Frame" of the " Portal " (using VR-"speak"). Depending on how it shears and depending on the collimated viewing volume/space... So that's why it is so tricky to explain as there are a combination of several complex effects all acting simultaneously on each other. However I have no doubt that HYDROGEN is very natural and effortless to use and view.
Long story short you will be able to see and perceive a hell of lot but if you turn the device side on to it's slimmest profile you won't see a laser holographic image that stands in three dimensional space off the screen. I think Phil H and others have made that point., but is ten thousand times better than fudged 2d (real time) perspective shifting illusion. HYDROGEN creates and displays objects and scenes that are three dimensionally fully perceivable in every sense to the full capability of the human visual system to perceive three dimensional "Entities".
So it's better than a "fish tank" analogy as objects can appear above and below the surface of the screen simultaneously and in a lot of instances the plane of the screen will not be perceived... So that's why I say it's like peering into a "Portal" from a different dimension so things can "come out" of this portal as well as recede into the distance. AND you can tilt the display or look from more oblique angles to have different imagery presented to your eyes that correspond with that viewing position... (to give you the "look-around" experience). So it gives another 3d perceivable viewpoint of an object or scene revealing previously occluded/hidden features that are consistent with that particular 3d viewing position and angle. Much like VR or real life.
That makes sense Eric. The 3-D (4-view) illusion still has to fit within the rectangular surface of the screen, but when angling the device, the screen surface may be less prominent to the eye than the image displayed upon it, creating the illusion of content appearing above the screen (while still remaining within the limits of the actual rectangular screen).
I imagine the content creators would be able to adjust the extent of that depth effect though, so they could in fact make it more of a window/fish-bowl/beneath-the-surface type effect if they want to.
My take away from the Marques Brownlee preview of the prototype holographic display, is that it seems they still need to up the processing power or optimize something to get the holographic effect working perfectly smooth and stutter-free when viewing real-time content, like in games for example. The comment from Marques Brownlee about the holographic mode on the prototype display having light-bleed around the edges of the screen also stood out to me. It would have been good if he'd gotten some assurance from RED that those issues would be overcome before the device gets out of prototyping.
You can generate .h4v (holographic 4-View) by shooting 4 cameras (we are building solutions from consumer to professional), or by converting 3D to .h4v (very easy), or converting 2D to 3D (very hard) and then to .h4v.
Jim
I agree Eric, there would be ways to make sure the holographic content runs smoothly, even if the current prototype isn't quite there. I was just wondering whether the light-bleed might be the result of some insurmountable aspect of the holographic technology though. Will just wait and see I guess, don't want to make a big deal out of it.
Peter, they've mentioned elsewhere the best holographic results are obtained via content captured specifically for the holographic format, and that they're working on a range of equipment people can use to do that.
I think Jim's calling the 2D to 3D to .h4v process 'very hard' is in accord with your own impression of how fake the end result can look. It doesn't sound like something he'd be encouraging, but at the same time, how would you prevent people doing it? Do you think maybe RED should stipulate that .h4v content distributed on their site has to meet a certain standard, one which probably won't be achievable via 2D conversion?
My "Concern" (such that is is) from watching Marques Brownlee's video is how "Millennials" will respond to HYDROGEN? (Assuming it functions exactly as it should) + even better and unforeseen functionality + concerted effort for content creation and 3rd party development?
At least MB did make the point that the display can be switched from 3d to 2d easily... Which he stressed was significant.
It's a chicken and egg kind of thing... If the market is perceived to be there, then content creators and software and hardware developers will put a lot of time and resources behind it to make it a success...
On the other hand if content creators and developers are not clear on the market or are not able to create a new demand and market on the HYDROGEN platform then that can result in "Millennials" and other market segments and users not connecting with HYDROGEN (platform) in the way they might have?
My hunch is that it won't take long to shake that all out especially by those committed to making things a success. What makes these kind of things fun is that it's not always possible to predict a total runaway success/smash hit with a long and sustained arc. Something that branches out to be very significant and forever changes the way we do things? [Paraphrasing what Jim Jannard said very early on about "Changing the way we do things... " Implying everyone/everybody?
? (again ) ? (shrugging shoulders)...
RED can't please everyone (neither can anyone else), the question is whether there's enough of a market for what they're offering to at least stay in the game and provide an alternative to what everyone else is (currently) doing. I think there is such a market, and it could be a user-base that increases as the Hydrogen One proves itself useful and/or desirable as a tool and/or entertainment device.
But, I think even if the Hydrogen One takes off, it will just breed imitators and RED will still remain as a quality alternative to the mass-marketed products. I don't see RED abandoning or watering down Hydrogen functionality or quality and churning out compromised products in order to dominate the mass market that's (imo) currently stagnating under style-over-substance, the safety of the familiar, and wasteful incremental advances in technology.
Here's a layman's simplified assessment of why some people will and won't be interested in the Hydrogen One.
Why some people won't buy it -
Cost (they just don't have the money), physicality of the object (it's too big and/or heavy), appearance (the outer design/style/aesthetic is off-putting or otherwise unsuitable for the end-user), functionality (it doesn't have the individual or groups preferred operating system or compatibility with their preferred software, or it has too many other features included that are of no use to them), sense of value (its cost, physicality, appearance and functionality don't line up as an overall value proposition, even though it may still have or do some things the individual or group wants).
Why some people will buy it -
Physicality of the object (it's big enough to have a large screen and speakers and is rugged enough to enable rougher handling than more delicate phones), appearance (the comparatively rugged/utilitarian/industrial design/style is aesthetically pleasing or of no consequence to the end user), functionality (it has enough capabilities or features to make it useful or desirable to the individual or group), sense of value (its cost, physicality, appearance and functionality line up as an overall value proposition, even though it may not have or do every thing the individual or group wants/needs).
Based on what has been revealed so far, the Hydrogen One is too expensive, too big, too 'ugly', and not running the right OS for some people to buy into it. Some of those potential end-users could still end up getting one if those perceived negatives are countered by as yet undetermined features/functions/capabilities that those potential end-users deem valuable.
So, until the complete functionality is revealed, it's still too early to tell for sure where the Hydrogen One will end up in the smart-phone market.
Seeing the Hydrogen One as the base unit of a modular system of add-ons only complicates the matter, with its future dependent upon as yet even less clearly defined functionality.
Most Millenials won't buy it. It's too expensive and isn't appealing to them. iPhones are their phone for a few specific reasons that we need not go into and HYDROGEN just doesn't line up with their needs, so I don't think we should really be asking ourselves that question. What we should be asking is what can we add to the device to make it more useful/appealing to us. More to the point, why are we getting a phone instead of a tablet and will there be a tablet down the line? A 10-inch HYDROGEN tablet with the usual RED brick-like construction and use of the modules would be very good in my opinion.
Most Millenials won't buy it. It's too expensive and isn't appealing to them. iPhones are their phone for a few specific reasons that we need not go into and HYDROGEN just doesn't line up with their needs, so I don't think we should really be asking ourselves that question. What we should be asking is what can we add to the device to make it more useful/appealing to us. More to the point, why are we getting a phone instead of a tablet and will there be a tablet down the line? A 10-inch HYDROGEN tablet with the usual RED brick-like construction and use of the modules would be very good in my opinion.