=== Zed's Cafe v11 === - [94] :: Цифровое изображение

А вот на youtube - немного как эти эффекты делали.
А правильно он называется: "time slice", вот из Wiki:
Цитата:

One proposed technique for creating these effects involved propelling a high speed camera along a fixed track with a rocket to capture the action as it occurred. However, this was discarded as unfeasible, because not only was the destruction of the camera in the attempt all but inevitable, but the camera would also be almost impossible to control at such speeds. Instead, the method used was a technically expanded version of an old art photography technique known as time-slice photography, in which a large number of cameras are placed around an object and triggered nearly simultaneously. Each camera is a still-picture camera, and not a motion picture camera, and it contributes just one frame to the video sequence. When the sequence of shots is viewed as in a movie, the viewer sees what are in effect two-dimensional "slices" of a three-dimensional moment. Watching such a "time slice" movie is akin to the real-life experience of walking around a statue to see how it looks from different angles. The positioning of the still cameras can be varied along any desired smooth curve to produce a smooth looking camera motion in the finished clip, and the timing of each camera's firing may be delayed slightly, so that a motion scene can be executed (albeit over a very short period of movie time).
Some scenes in The Matrix feature the "time-slice" effect with completely frozen characters and objects. Film interpolation techniques improved the fluidity of the apparent "camera motion". The effect was further expanded upon by the Wachowski brothers and the visual effects supervisor John Gaeta so as to create "bullet time", which incorporates temporal motion, so that rather than being totally frozen the scene progresses in slow and variable motion. Engineers at Manex Visual Effects pioneered 3-D visualization planning methods to move beyond mechanically fixed views towards more complicated camera paths and flexibly moving interest points. There is also an improved fluidity through the use of non-linear interpolation, digital compositing, and the introduction of computer generated "virtual" scenery.

На этом же youtube можно еще ролики найти с этими эффектами, если все затворы сработают одновременно - летящий человек застынет, если с задержкой на сотые доли секунды, будет медленно-медленно двигаться.

xy

Цитата:

снимать такие вещи можно намного дешевле

Наверное, все от цели съемок зависит, если для домашней съемки, на память, то можно так.

Модерирует : GoodCos13, xy, Maz
xy (16-04-2009 18:37): http://forum.ru-board.com/topic.cgi?forum=36&topic=1879	Версия для печати • Подписаться • Добавить в закладки
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