How to follow the camera with a quick movement (photographed close)
the shot is close green screen and a fast movement and camera cut markers.
any ideas how to solve this problem? I knew I may had to shoot again, but its impossible because the actors are not here anymore. If I have to fix it.
No matter what plugin recommend or technique?
This photo will not follow with any software that I know.
There are a host of problems that should give you a valuable lesson. First of all, track automatically to set unique geometry that is big enough to get at least 100 pixels of detail of. This means at least 10 X 10 pixels. There is nothing in the background of your ball in any image, with the exception of a few markers that come close to bing big enough to ensure the monitoring of follow-up. As the follow up to the camera, you will need to establish at least 2 planes that are far enough to calculate changes in perspective and parallax. Your photo does contain yet one of the elements required to keep track of the camera.
The only plans in your shooting are net in the background and the ned in the objective. Blur of movement and wrinkles in these two plans you provide nothing to track. You also zoom out of frame 7 frame 12. NEVER EVER ZOOM if you intend to replace a background or a camera do follow. Above all, do NOT autofocus. It is almost impossible for camera tracking software to calculate a zoom of the camera when the zoom blur. A glance quick pan and zoom is almost impossible to keep in the best of cases.
It will also be impossible to fire a clean key because the net in the background is subject to a lot of black lines and white NET in the goal gets completely blurred out in a large part of the shooting.
Just a bit of pre-production planning and some storyboards would have saved the day. You have created a situation where your only option is to roto your actor and the target frame, and then re-create the net and the background by hand. What should have been a half hour in post will turn into a few days, unless redraw you on it together to be something more stylized way. There is so much noise in the shooting of nets and the motion blur that RotoBrush will not follow anything other than a single image. You're going to have to cut your player by hand and rebuild the background and adjust the position, rotation and scale by hand one frame at a time. Do not count on making money on this one. There is not enough details around this one even to stabilize the shot to make it easier to roto. I tried.
If it were my project, I would leave this one out or roto actor, throw in a bunch of lighting effects and completely forget reality to put this photo in a chart instead of a film.
Tags: After Effects
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