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Topic: Digital compositing


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  Digital Compositing One
Notice how the sky background is not only smoother in the 4 image composite, but the faintest stars are clearly distinct whereas in the single image identification of the same stars is problematic because they are extremely hard to detect because of the noise.
Compositing multiple originals decreases the noise by improving the signal / noise ratio in the image.
The increase in the signal to noise ratio in the four image composite is 2.217x (3.57/1.61), again higher than the formula's predicted 2x because each of the three other images were rotated and re-sampled to align with the original image.
www.astropix.com /HTML/J_DIGIT/COMPEXP1.HTM   (892 words)

  
 Compositing
Compositing is where different elements of a shot are filmed separately and then later pieced together into one final composite shot.
Optical compositing is done on an optical printer which passes the different pieces of film containing the different elements to be composited past each other while being filmed by a camera, exposing the new composited image onto a new piece of film.
Digital compositing is much faster and more versatile because color corrections and other effects can easily be applied to the different elements to assure they "fit together" and are believable in the final composite shot.
library.thinkquest.org /10015/data/info/reference/techniques/compositing.html   (816 words)

  
 Compositing - Wikipedia, the free encyclopedia
Compositing techniques, while almost exclusively digital today, can be achieved by many means.
Optical compositing is the often complex process that requires a optical printer to photographically composite the elements of multiple images onto a single filmstrip.
During compositing, all areas of a frame with that color are removed and replaced, allowing the compositor place the isolated image of the actor or object in front of a separately shot or synthetic background.
en.wikipedia.org /wiki/Compositing   (416 words)

  
 www.DigitalGreenScreen.com / Composite Components Company / T-Matte Technology
In photochemical film optical composites, this was only possible by employing very pure bluescreens exposed to a precise density, shot "clean" (meaning no garbage mattes); which permitted the use of either a very thin or even no cover matte at all in the composite.
The starting point for a digital blue or green screen color difference composite is a matte generated by subtracting the value of one color from the value of another for each pixel in the image.
In other words the Ultimatte electronic or digital color difference matting process is a function of the luminance or brightness of the backing as well as the chrominance (hue) or purity of its color and the uniformity or consistency of the matte field.
www.digitalgreenscreen.com /tmatte.html   (2079 words)

  
 Digital compositing - Wikipedia, the free encyclopedia
Digital compositing is the process of digitally assembling multiple images to make a final image, typically for print, motion pictures or screen display.
It is possible for a compositing artist to compensate for the effects of compositing in non-linear space.
The most historically significant nonlinear compositing system was the Cineon, which operated in a logarithmic color space, which more closely mimics the natural light response of film emulsions (the Cineon system, made by Kodak, is no longer in production).
en.wikipedia.org /wiki/Digital_compositing   (437 words)

  
 [No title]
"Composite" is just a ten-dollar word for a combination of images and here we'll be covering how to combine one or more photos for convincing results.
If you're brand new to digital imaging and don't know say, the definition of "digital" or "imaging," then I suggest a little more reading on the subject before jumping head first into this tutorial.
The final composite looks like a gradient between blue and pink but the mask is simply doing all the work on the blue layer, going progressively from 100% hidden (fl) and 100% opaque (white) with the transition of gray being what creates the blend.
arstechnica.com /guides/tweaks/mystery-3.ars   (683 words)

  
 bsVfx, Inc.Digital Compositing   (Site not responding. Last check: 2007-11-03)
Digital compositing is another phrase that covers a huge area of the visual effects spectrum.
Broadcast TV or theatrical film release, the scan is the most important step in a digital compositing pipeline.
I've been doing Digital Composites for over ten years and have managed to work successfully on virtually all the major (and some of the minor) compositing platforms that are out there.
www.bsvfx.com /serv06.htm   (660 words)

  
 The Guide to Digital Television: Chapter Six   (Site not responding. Last check: 2007-11-03)
Digital, random access memory (RAM) determines the number of pixels on the screen, their location, color, etc. Each pixel is assigned a particular number of memory "bits" in a process known as bit-mapping.
The production of a composited scene may employ any number of other CGI functions, some of which are familiar--such as paint---and others that are the result of new, leading-edge software capable of innovative effects.
Digital compositing technology's cut-and-paste capabilities have already brought forth synthespians from the past--sort of.
www.digitaltelevision.com /publish/dtvbook/ch6.shtml   (5564 words)

  
 The Art and Science of Digital Compositing
The Art and Science of Digital Compositing, however, is different; it takes an area of visual effects which is rarely recognised and analyses it piece by piece, going deep into the artistic and scientific techniques used to blend together multiple 2D elements seamlessly to create a believable -- yet fictional -- image.
As the title of the book suggests, digital compositing is a science as well as an art.
The Art and Science of Digital Compositing is one of those incredible books that you come away from buzzing with new ideas, and most importantly ways to improve your work.
www.awn.com /mag/issue4.09/4.09pages/younghusbanddigicomp.php3   (648 words)

  
 Compositing   (Site not responding. Last check: 2007-11-03)
Digital compositing is the process of combining a number of picture elements together in to one final sequence.
Compositing systems are often used with live footage to combine blue-screened shots with backgrounds.
Coupled with a fully digital means of recording, such as a D1 or digital disk recorder, compositing suites became a staple in upscale post houses around the world.
www.stagetools.com /bill/Comp.htm   (1001 words)

  
 [No title]
Digital Compositing, as we are going to be discussing it, attempts primarily to deal with the process of integrating images from multiple sources into a single, seamless whole.
Optical compositing is still a valid and often-used process, and many of the techniques and skills developed by optical compositors are directly applicable to the digital realm (in many cases, digital techniques owe their origin directly to optical methodologies).
Compositing scripts have an uncanny ability to grow excessively, and unless great care is taken to simplify whenever possible, you will end up with a script that is not only incomprehensible, but also full of image-degrading problems.
www.mlab.uiah.fi /touch/DCN/DC.html   (11473 words)

  
 Compositing Books and Links   (Site not responding. Last check: 2007-11-03)
The Art and Science of Digital Compositing, by Ron Brinkmann, provides very solid coverage of compositing techniques, assembling visual effects for film, and the technical foundations of digital image processing and compositing.
If you are looking for a useful guide to the world of high-end film and visual effects, then I highly recommend "The Art and Science of Digital Compositing." Find it at Amazon.com USA or Amazon.co.uk.
It does include depictions of a number of real-world compositing and retouching tasks, rotoscoping, wire and rig removal, masking, tracking, chroma-keying, etc. are all illustrated with tutorials.
www.3drender.com /ref/compositing.htm   (489 words)

  
 Apple - Shake - Lord of the Rings   (Site not responding. Last check: 2007-11-03)
John Nugent, the 2D supervisor overseeing the digital compositing, rotoscoping and 2D paint departments on all three films, moved to New Zealand in 1999 and was the first digital compositor hired at WETA on the “The Fellowship of the Ring.”
Although there was a portion of the live action photography footage in ‘The Fellowship’ that did not require compositing; the film included a huge number of visual effects, with approximately 570 shots going through the art and compositing departments.
They didn’t get elaborate with the composites, but they were at least able to pop their creature or computer-generated (CG) element over the background to test for lighting.
www.apple.com /shake/stories/lotr   (999 words)

  
 Choosing a Digital Camera
Thus before we get into thinking about which digital camera is best, we have to consider whether a film or digital camera is better for a particular application.
Most digital cameras come from Japanese companies with a lot of engineering experience making imaging pipelines that run from a CCD to an analog video tape (i.e., what is inside a camcorder).
Digital cameras not only force you to make all the choices that you have to make with a 35mm camera, but you also have to edit in real-time.
www.photo.net /photo/digital/choosing.html   (1449 words)

  
 Digital Compositing for Film and Video:Wright, Steve:0240804554:eCampus.com
Digital Compositing for Film and Video is a hands-on, practical, how-to guide that addresses the problems and difficult choices faced by the professional compositor in real-life situations.
Compositing is the artistic blending of several disparate elements from a variety of sources into a single image while making all the component elements appear to be in the same light space and shot with the same camera.
When confronted with a bad composite any observer will recognize that something is wrong--the artist will know what is causing the problem, and the technician will know how to fix it.
www.ecampus.com /bk_detail.asp?ISBN=0240804554   (220 words)

  
 Steve Wright Digital FX
In addition to the CGI and compositing services at Sidley Wright, Steve also developed a digital ink and paint program to work with Pixar compositing which was then used to produce some of the first digital ink and paint feature film digital effects shots outside of Disney.
Having established a close working relationship with the Digital Intermediate department, when Kodak closed the VFX division in 2003 he was retained as the Technical Director for the remaining Scanning and Recording, Film Restoration, and Digital Intermediate departments.
Steve is also the author of the very popular book, "Digital Compositing for Film and Video", a software independent hands-on guide to digital compositing techniques.
www.swdfx.com   (536 words)

  
 Compositing
A variety of digital compositing and special effects can be created at Video Impressions.
They can then be transferred digitally into one of our Digital Fusion graphics workstations where an unlimited ranged of effects can be created.
In the Digital Fusion compositing software, any number of live action shots can be merged with 2D or 3D generated graphics.
www.video-impressions.com /Standard/Compositing.html   (186 words)

  
 3D Compositing at 3dRender.com
For example, one still frame of a room might be composited behind every frame of a separately rendered animated character.
Reflections can be softly blurred in the composite, which eliminates the need for anti-aliasing or high-quality rendering for the reflection pass.
If you have the book Digital Lighting and Rendering Second Edition, see Chapter 11, "Rendering Passes and Compositing," for a much more up to date (including global illumination and occlusion passes, etc.) and complete discussion of rendering in passes and compositing 3D with live-action footage.
www.3drender.com /light/compositing   (980 words)

  
 Digital Artform: Compositing Premultiplied 3D CG in Photoshop
Digital Artform: Compositing Premultiplied 3D CG in Photoshop
Posted by digital artform at October 20, 2005 10:23 PM Comments
you had a similar tutorial using compositing software for footage, but i was never really able to replicate the workflow in photoshop easily...
www.digitalartform.com /archives/2005/10/compositing_pre.html   (952 words)

  
 Amazon.com: Digital Compositing In Depth: The Only Guide to Post Production for Visual Effects in Film: Books: Doug ...   (Site not responding. Last check: 2007-11-03)
In Digital Compositing in Depth, the techniques of both visible and invisible effects are explored and explained.
Final compositing is often the last and crucial step in the development cycle of a project, but it usually gets in the limelight least.
Digital Compositing in Depth is a valuable eye-opener, and a worthwhile book for anyone involved in video or film post-production.
amazon.com /Digital-Compositing-Depth-Production-Effects/dp/1576104311   (2282 words)

  
 Variety.com - Award Central 2007  - Digital compositing changes location shooting
By Digital backgrounds may not be as obvious as they once were, but improvements in technology have made background replacement into a safer, cheaper and more flexible substitute for real-life locations that are difficult to shoot, no longer exist or deny access to film crews.
While the towers themselves obviously had to be digitally resurrected, vfx supervisor John Scheele says plans to shoot in lower Manhattan were nixed by sensitivity concerns.
Mark Breakspear, of vfx house Rainmaker, says the problem was solved with a digital background constructed with more than 15,000 digital photos taken by crew members who visited the church as tourists.
www.variety.com /article/VR1117955522.html?categoryid=1009   (506 words)

  
 Next Release Of Shake Compositing Software
Nothing Real, a high-end compositing software provider to the digital image creation market, announced it is previewing upcoming technology of its Shake Version 2.1 software.
These enhancements are designed to increase the capability and productivity of digital compositing artists in the feature film, broadcast, high-definition video and game markets.
Shake version 2.1 will provide customers with the same core compositing capabilities as Version 2.0, with added enhancements and functionality for the most complex motion picture and broadcast image manipulation tasks.
www.digitalproducer.com /pages/next_release_of_shake_compositin.htm   (678 words)

  
 Medical and Science Picture Library - Digital Compositing
With digital compositing, time of year, locations and weather no longer play a role.
The technology that combines photography and digital computer technology can also be called blue or green screen photography.
In general, a digital compositing job includes the setup, location by choice, photo shoot and postproduction in electronic image processing.
www.medicalpicture.de /cont_405.lang_en.digital_compositing.php   (215 words)

  
 Compositing   (Site not responding. Last check: 2007-11-03)
The main advantage of digital compositing is that unlike traditional optical printing, increasing the number of element layers doesn't decrease the quality of the final image.
There are several commercially available compositing software programs including Shake, Digital Fusion, Flame, Inferno, Henry, AfterEffects, etc. Plus several animation studios have their own proprietary compositing software.
Compositing software used to run only on expensive hardware systems, but not anymore.
home.earthlink.net /~kevincarney/UCLAext/Compositing/Compositing.html   (516 words)

  
 Alvy Microsoft Memos
The history of digital image compositing - other than simple digital implementation of known film art - is essentially the history of the alpha channel.
Distinctions are drawn between digital printing and digital compositing, between matte creation and matte usage, and between (binary) masking and (subtle) matting.
The history of the integral alpha channel and premultiplied alpha ideas are presented and their importance in the development of digital compositing in its current modern form is made clear.
alvyray.com /Memos/MemosMicrosoft.htm   (1220 words)

  
 Speaking About Compositing: Six Things Producers Should Know
Paakkonen points out what many compositing artists might think is obvious: that the color of the foreground element should determine whether blue or green screen is used in the background.
But they add that producers sometimes forget that digital compositing can only deal with elements present on the film when it is transferred to the digital universe.
For example, a picture can be composited over the tracked point, and information from several tracking points can be used to calculate how the camera that filmed the shot moved.
digitalcontentproducer.com /mag/video_speaking_compositing_six/index.html   (3001 words)

  
 "The Blue Screen / Chroma Key Page"
The compositing process, whether photographic or electronic, replaces all the blue in the picture with another image, known as the background plate.
Blue screen composites can be made optically for still photos or movies, electronically for live video, and digitally to computer images.
Until very recently all blue screen compositing for films was done optically and all television composites were done using analog real time circuits.
www.seanet.com /~bradford/bluscrn.html   (4078 words)

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