Mark Christiansen

Mark Christiansen is the author of After Effects Studio Techniques (Adobe Press). He has created visual effects and animations for feature films including Pirates of the Caribbean 3, The Day After Tomorrow and films by Robert Rodriguez. Past corporate clients include Adobe, Cisco, Sun, Cadence, Seagate, Intel and Medtronic, and broadcast work has appeared on HBO and the History Channel. Mark's roles have included producing, directing, designing and effects supervision, and his solo work has appeared at film festivals including L.A. Shorts Fest.

Long a Contributing Editor at DV Magazine during its heyday, Mark has been contracted as a marketing and technical writer on numerous occasions for Adobe Systems Inc. as well as related companies such as Red Giant Software. He has taught at fxPhd.com and Academy of Art University. His career began at LucasArts Entertainment and he is a Phi Beta Kappa graduate of Pomona College.

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Monday, August 03, 2009

The Foundry releases Rolling Shutter for After Effects & Nuke

Optical flow plug-in corrects for “jello vision” in CMOS cameras from 5D MkII to iPhone 3GS

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The Foundry today released Rolling Shutter, a new plug-in available for After Effects and Nuke.

This plug-in cleverly reuses one of The Foundry’s strongest bits of intellectual property - optical flow as utilized in effects in the Furnace plug-in set including Kronos, as well as licensed by Adobe for use in the Timewarp effect for After Effects - in order to solve a problem particular to video cameras containing CMOS chips, which require an interval of time to scan an entire frame, line by line, and generally top to bottom.

In cameras with a speedy frame refresh rate, such as RED One, the effect is rarely noticeable other than under extreme conditions, but it is more commonplace when shooting with the Canon 5D Mark II and completely ubiquitous with consumer level cameras such as the latest iPhone.

Because a given shot typically contains multiple planes of action, correcting rolling shutter artifacts involves more than simply un-skewing the image. The problem is similar to that faced when compositing a 3D shot, and The Foundry has added similar technology to Nuke to make it a leader in 3D compositing.

Rolling Shutter will help not only to make an image look better but also to make it possible to matchmove the shot in 3D, which would otherwise be a nightmare with an unevenly scanned shot. As long as the movement of the camera is unidirectional - whether sideways, forward or backward, this plug-in will correct for it; more chaotic handheld shots with circular or otherwise inconsistent motion might be beyond its abilities.

Rolling Shutter $500 for Nuke or After Effects,  direct from The Foundry website. A demo version is also available for download.

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