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                            Stabilizing handheld video with iStabilize (sic) 18/12/2011
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                            Late last year I had to stabilise a fair amount of hand-held video footage taken at Stainsby Festival for Loscoe State Opera and ended up trying out a number of software routes before hitting on the best solution. I thought I’d share some of the journey and findings.

                            Plan A was to use a well damped video tripod from a sitting position and film the band from the front; if you can get smooth video right, right from the start then do so, you always save time and trouble. Plan B was to use an on camera stabiliser, a cheap and cheerful version of the film-makers steady-cam, but this was thwarted due to my inexperience with the device and limitations to movement on stage which was more cramped and cluttered than expected. So I shot hand-held with a view to steadying the footage in post production, something I had done previously with some success.

                            The footage was all SD, shot using two Sony cameras, one static so no stabilising required, and a second main camera hand-held, so lots of stabilising required.

                            Stabilising outside the camera is possible in a few software applications - After Effects, iMovie and Apple Motion amongst many. I have access to After Effects and Motion so I started their learning curves after some initial research into stabilising in general and use of the the above applications in particular.

                            After Effects displayed it’s usual full blown, in depth competency and I had some success early on but only with the least unstable and shortest clips. I found out AE comes packaged with a little application called Mocha which does the stabliser thing ‘for a living’. But there were just too many steps and too much learning involved for someone who doesn’t use the tool regularly, added to which, the clips I wanted stabilising were long and complex which didn't suit After Efects.

                            Both AE and Motion it turns out need either a ‘point’ or a ‘plane’ within the video frame which requires stabilisation to ‘focus on’ and I had neither. There was also too much 'going on' and too much movement which I wanted to retain.

                            Apple Motion 5 then. This has been my only impulse purchase from the Apple App Store to date and struggles a little on my oldish MacBook Pro. (On a side note I am beginning to hate the word ‘app’; this is a part of the continuing dumbing down of machines which I decry.)

                            Aaagh, (slow)Motion or what. I could just about cope with the long tracking times but altering keyframes or any other adjustments was painful. Motion also seems to require either a point or a plane to focus on like AE. So no.

                            After a little more investigating I came across iStabilize (sic). The programme seemed a little cranky and idiosyncratic in both nature and review, but I can relate to that, more importantly, most reviewers gave it the thumbs up when it came to performance. A few trial runs with the demo later and I went for it knowing that at least one other project in the offing would need a little stable attention.

                            It works fabulously well, quickly and efficiently. Excellent results with a minimum of learning curve. These are the main steps required to get going with a clip:
                            • Start iStabilize then:
                            • File/Open - the video file you need to stabilise.
                            • Movie/Format/Auto Detect - this will only take a moment. 
                            • Stabilizer/Track Motion - this seems to happen in real video time, in other words at around 1 second per second of video with SD footage.
                            • Stabilize/New Edit Session
                            Here is a side-by-side comparison for your edification - stable clip on the left, unstable on the right (just in case):
                            I only deviated from the default iStabilize settings by zooming the clip in order to lose the visible artifacts that can occassionally be seen when working with very unstable clips.

                            The finished movies, all stable, edited and tweeked     look like this:

                            'Loscoe State Opera' at Stainsby Festival 2011 from moongold on Vimeo.

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                              gareth jordan

                              I am an all round visualist with feet, hands and heart involved in making both still and moving images.

                              I run landscape photography workshops as well as 1-to-1 computer training sessions and perform live projected visuals for bands, artists and performers.

                              If you want live video images of your performers or/and motion loops, for instance your event logo with added motion, projected onto your stage or at your event, then I will be able to help you.

                              If you want to achieve more on a personal level with either your camera or your computer I will be able to help you.


                              Picture
                              Elsewhere on the web you can find me practicing my video projection art and performing as an integral part of Cyril Seaton's Cycle Roots.





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