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Originally posted by psyshow
HI All, long time observer, first time poster here. Before I add my 2cents to this, I am a believer when it come's to the question 'have we been visited?'. My 9-5 job allows me to utilize a fair bit of software such as Photoshop & After Effects (before you even say anything, I have never used my powers for evil purposes LOL) so whilst I'm not an expert, I have a basic understanding of how thing's are done.
Anyway, back to the image. One thing does concern me about these. When putting two images together (composition), you have your back plate (in this case the sky) and then the hero object (in this case the ufo). The point here is they have come from different sources. To make them 'match' some treatment has to be done. This can differ from project to project but most will include colour correction and the key word here.. GRAINING. This is just my opinion but look at the sky. The photo has already suffered some compression which is apparent even before the close up shots.The UFO is so small at this point, you can't really tell. Now look at the close up's. Look at the grain of the sky versus the grain over the UFO, it doesn't seem to match, infact, there appears to be none (computer renders produce 'clean' video/image and grain is added after to match the video). There appears to be no grain what so ever over the UFO.
Just my thought's. Thanks for your time.
Whenever a scene is photographed, all of the objects in the scene have obviously been filmed with the same camera so they all share the same "look." When two layers are shot with different cameras on different film stocks and are then later composited, the film and camera lens differences can defeat the photo-realism of the composite. This chapter explores the issues of camera lens effects such as focus, depth of field, and lens flares, as well as film grain characteristics and how to get a better match between the disparate layers. The ultimate objective here is to make the composted shot look like all of the objects in the scene were photographed together with the same lens and film stock.
One of the worse offenders in this area is, of course, CGI. Not only does the CGI have no grain, it also has no lens. While the CGI is rendered with a user-specified computer-simulated "lens", these are mathematically perfect simulations that have none of the flaws and optical aberrations that characterize real lenses. Further, CGI lenses are perfectly sharp, whereas real lenses are not. The "sharp" edges in a 2k film frame will be a few pixels wide, but the same sharp edge in a 2k CGI render will be exactly one pixel wide. Even if the CGI element is rendered with a depth of field effect, the in-focus parts of the element will be razor sharp. The CGI element will appear too stark and "crispy" when composited into a film background.
Originally posted by Chadwickus
reply to post by TheTruthIsFromGod
I disagree.
Completely.
Originally posted by Chadwickus
reply to post by TheTruthIsFromGod
I submit to you, that you are the one living a lie...
But it's only my opinion, I won't go as far as to state something to be fact with nothing to back it up.
Originally posted by Chadwickus
reply to post by TheTruthIsFromGod
Funny that you think that I've picked sides.
I don't believe in god, therefore I don't believe in Satan either.
But we're straying way off topic here.
edit on 26/1/11 by Chadwickus because: (no reason given)
Originally posted by gift0fpr0phecy
My profession involves studying reality, and trying to simulate it on a computer. So you have NO IDEA AT ALL what the heck you are talking about. I know more about reality then you will ever know.
What a clueless troll you turned out to be.
Again you prove you have ZERO experience with computer programming, and or scientific simulations of reality. Yes, EVERY PHOTON.... even in a sunset.
What you said was idiotic.
You sir, are probably some kid who stole digital editing software off the internet and claims to be a CGI artist. You don't know anything about computer graphics or computer simulation.
Another prime example of you being absolutely clueless. I am not "just an artist". How many times must I say that? I major in computer science, and study physics. I just happen to have a job that involves computer graphics so I have the title "professional". I am also an electrical engineer with a strong background in many different sciences. I have a strong knowledge of light and matter because I am currently in the processes of creating a "theory of everything". I am a scientist, an electrical engineer, a computer programmer, a computer graphics engineer, and much more....
So sit down child.
I said NO because what you are talking is irrelevant to this argument, not because I can't explain.
I know things about this universe that you would only dream of knowing.
While you keep bashing people with computer graphics knowledge, you completely and utterly lack the ability to understand people have more than one profession, and or skill, and or set of knowledge.
Originally posted by Sentinel412
Oh, yes. You went out into the sunset and counted every photon, then matched that number with the computers. Your work is based on theories, nothing more. No one ever counted that how many photon is exisitng in a sunset, yet you're trying to present everything like if it would be a fact... which is not.
This paper presents a method of visualizing some of the light phenomena visible in the outdoors such as sunsets, rainbows, purple lights or halos, These phenomena are produced by the scattering of sunlight and sky light on atmospherical particles. The enormous increase in computing power in the last ten years has made it possible to correctly simulate some of these light phenomena and render them visible, using computer-graphics techniques. The created visualization environment combines the mathematical basis of the scattering process (Rayleigh- and Mie-scattering) with real world properties for the atmosphere (pure air, aerosols, ozone) and its particles (soot, dust, water, ice crystals) to reproduce light effects by specifying sun position and the atmospheric composition.
Originally posted by Sentinel412
What you said was idiotic.
Why? Because you can't explain something again? You know at least I'm explaining what is wrong in those things what you're saying, then your only riposte is; idiotic. Typical self-righteous person when someone has a different opinion than you and you can't explain, because it's already way beyond your knowledge.
Originally posted by Sentinel412
That's where you failed against me, kiddo. And you're trying to tell people that how things works, believing that you truly knows something (You may do in one or two of your professions.). But in most cases it's far from the truth.
Originally posted by Sentinel412
Ahem. Just one more note to your wonderful grainy explanation (As I already brought up an alternative explanation for why the sharpness is possible.). You never heard about materials which is kicking out the grain, right? Grainy surface + grainy lense = relative clear shot (Rare, but it's possible as the grains are filling each other.). I did some CGI in the past, where grain is not appeared on the object as the surface was grainy too and it's created a nice optical illusion. If sharpness is also present, you can get a similar effect what you can see on the photo. Try it on a photo too. Grain can kill grain sometimes. It's just like the phenomenon when the exact RPM of a helicopter rotor can be divided with the FPS and because of that, it seems stationary on the shots. Grains also behaving strange sometimes on different surfaces, without any photo manipulation.
Originally posted by Sentinel412
I'm still not saying this photo is true, nor false, but while your "It's in the book" argument is works in most cases, it is not working in every possible one.
Originally posted by Sentinel412
Oh, and you forget one possibility regarding the picture. Enhancement. Even NASA is doing with all their pictures before they're releasing them (A little effect, colorize, enhancement, grain removing here and there.).