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Re:Vision Effects Twixtor Pro
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Contents
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The Stats
- Developer: Re:Vision Effects
- Version: 4.5
- Platform: Mac OSX, Windows
- Compatibility with After Effects 7, Compatibility with After Effects CS3, Mac Universal Binary, Mac OSX Leopard Compatibility
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Purchase
- Twixtor Pro
- Twixtor FxPlug Pro
- Twixtor Standard
- Twixtor FxPlug Standard
- Twixtor FxPlug for Final Cut Express
- Twixtor Upgrades
- Effections Bundle
- Effections Plus Bundle
Download
Description
Twixtor intelligently slows down, speeds up or changes the frame rate of your image sequences.
Twixtor raises the bar in motion estimation. Twixtor is much more accurate, tracks objects farther, and exhibits fewer artifacts when there are objects crossing in the scene. This means less tearing and stretching of objects as they cross or go out of the frame.
Twixtor enables you to speed up, slow down or frame rate convert* your image sequences with visually stunning results. In order to achieve its unparalleled image quality, Twixtor synthesizes unique new frames by warping and interpolating frames of the original sequence... employing RE:Vision's proprietary tracking technology that calculates motion for each individual pixel.
* Frame rate conversion fully supported with After Effects and combustion only. Frame rate conversions can often be accomplished in other applications by writing out image sequences and reading them back in with a different frame rate setting.
Twixtor Standard Features
- Warping and interpolation of frames to "time warp" input footage.
- Smart processing of interlaced material
- Stretching of a sequence using a single scaling parameter.
- Keyframable retiming for complete control on a frame by frame basis.
- Frame rate conversions made easy (Important Note: frame rate conversions are supported only from within After Effects and Combustion).
- 8 and 16 bits per channel processing. Unclamped floating point image support in After Effects 7.0 or later
- Option to automatically enhance dark imagery or imagery with poorly defined edges. In many cases, footage that was difficult to track becomes much more well-behaved upon retiming.
- Contains an option to add or remove motion motion blur, as appropriate.
- Support for marking material so that Twixtor does not motion-interpolate across a cut.
- After Effects only: ability to remap audio and video using AE's time remapping tools but using Twixtor "under the hood"
Twixtor Pro Features
- Object separation Support for foreground and background separation using a specified matte. Twixtor then tracks each layer separately for improved results. This feature uses proprietary filling and tracking techniques when working on the background layer even when it is obscured by the foreground! Support for up to 3 foreground layers.
- Track Point Guidance Up to 12 user-defined points can be specified to help guide Twixtor's motion estimation. By using the tracking points you can explicitly tell Twixtor where a pixel moves from one frame to the next in order to guide Twixtor's calculation of motion vectors. You can set the position of each point at each frame by hand, but more importantly, In After Effects and combustion these points can be positioned from frame-to-frame using the host application's point-tracking features.
- Spline Guidance When Twixtor exhibits tracking problems, you can guide Twixtor by simply creating and animating shapes to show Twixtor where objects are actually moving. Interactive feature registration is directed through the host program's drawing and roto tools (splines and polylines), not through a grid of mesh points! As such, there is no new interface to learn! This feature only available within After Effects 5.0 (and later) and combustion 3.0 (and later).
- Motion Vector Import Give Twixtor motion vectors generated elsewhere (like from a 3D system) to time remap footage, including adding motion-interpolated fields to otherwise progressive material. Only supported in apps that work in 16bpc or higher.
- Motion Vectors Export You can now output the motion vectors that Twixtor generates internally. This powerful feature comes with visual debugging modes to more intuitively assess and tune the quality of the motion estimation. The motion vectors can then be used elsewhere in the pipeline (including the Twixtor plugin that imports motion vectors). Only supported in apps that work in 16bpc or higher.
Twixtor Fxplug Features
- The After Effects-compatible version only works in 8 bits-per-channel while the FxPlug version works at all bit-depths supported by Final Cut Pro. Note that 8 bit processing within the FxPlug version is significantly faster than the After Effects-compatible version, but 10 bit or full precision YUV processing takes longer than the 8 bit processing in order to take full advantage of the extra bit depth.
- The FxPlug version only works in FCP 6.0.3 and up, the After Effects-compatible version works in FCP 4.0 and up.
- A license for the After Effects-compatible version also works on the same machine from within After Effects, Premiere Pro and Combustion.
Examples
You Don't Know Me
Original footage was shot freeform and then retimed to work in time with the music.
Oudejaarsloterij
Original footage was shot at 100fps and dynamically retimed with Twixtor. Other effects were added to enhance the intended effect.
Blade
RE:Vision tools were used extensively by different effects houses in Blade 2. In this sequence executed at Core Digital Pictures, Blade was slowed down by a factor of 2 with Twixtor in Digital Fusion to match the rest of the shots. Luma keys were extracted for the foreground water and passed to Twixtor's foreground masking option so that the water motion did not affect the tracking of the main action.
Dreamkeeper
Original footage was shot at 100fps and dynamically retimed with Twixtor. Other effects were added to enhance the intended effect.
Minivegas
Luc Schurgers used the Twixtor Pro 4 feature to output motion vectors to seed initial velocities (using Glassworks particle system).
Driven
For the climactic "Memo's Crash" sequence in DRIVEN, Pixel Magic was tapped to create super-slow-motion animation of a racecar slamming into a guardrailing and catching air. To create the appearance of super slow motion, averaging around 1/20th real time, compositing supervisor Todd Vaziri had to slow down the flame elements immensely. He was able to do it with Twixtor, in Adobe After Effects. "Twixtor worked absolutely flawlessly for this project. It created perfect in-between frames for the flame elements. There is no way the fire would have looked convincing without Twixtor. Simple frame blending or double printing would have totally ruined the shot," Vaziri said.
Gay Boyfriend
Ryan McFauls says, "Gay Boyfriend uses lots of Twixtor for the unglamorous task of fixing bad lipsync, and it also use Fields Kit to make a really beautiful 60i to 24P video slow-mo. Best of all the video looks great and was made for an incredible $1800."
The Secret of the Sapphires
"This SECRET OF THE SAPPHIRES test benefits greatly from RE:Vision Effects products." Twixtor and RE:Flex were used to help in between the original sparse cels, and Shade/Shape was used to help provide the shading.
Foreground Masking in Twixtor Pro
Two objects passing each other in a scene can cause Twixtor to exhibit some "gloopiness." In this slow-motion example, a hand passing in front of a face can cause Twixtor to exhibit such a problem. By supplying Twixtor Pro with a foreground mask for the hand we avoid the "gloopiness" and create a superior slow-motion sequence.
Problematic Footage
Twixtor Pro 3.0. Problematic footage slowed down. The source footage has many properties usually problematic for retiming:
- objects coming from offscreen.
- multiple objects passing each other.
- stripes, which can all "look alike" to motion trackers, creating artifacts in the retimed footage.
In order to create the slow motion footage, multiple mattes were used to help Twixtor differentiate among the multiple layers of motion. In addition the interactive free-form guidance features (available in After Effects 5.0 or later, combustion 3.0 or later and Shake 2.51 and later) were used. After Effects and Shake projects, from our Support page, demonstrate how this example was made.
System Requirements
- Mac OS X 10.2.8 and up
- Windows 2000 or XP and up
Host Compatibility
- Adobe After Effects 5.0 and up, including native Intel Mac support for AE CS3 and up.
- Adobe Premiere Pro 1.0 and up
- Apple Final Cut Pro 4.0, FCP HD (4.5) and up
- Autodesk Combustion 3.04 and up
