Messing around with TGA Merge
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20 Oct 2006, 16:05
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Journals
Being bored on a friday night I did some testing with TGA Merge from bitmap.se. Basically it's an external software for frame blending, with which one can manually set different weights for different images.
Most editing and compositing software have internal frame blending functions, but most of them, like the one in After Effects for example, don't allow much fine tuning: AE's frame blending uses a perfect exposure for each picture, making the end result quite blurry when using high-fps source material, like 500 or 1000 fps (AE frame blending sample, 500fps source).
With TGA Merge, however, it's possible to obtain crispier results from high-fps recordings by using a pyramidical weighing, in other words, emphasizing the pictures around the source frame and fading out frames further away from the source frame.
Here's a quick test I did with TGA Merge. Source was recorded with 1000 fps and then downsampled to 25 fps. Resolution is 720p HDTV, with some loose xvid compression: TGA Merge sample.
An image captured from the sample above:
Recording 1000 fps footage and downsampling them into wanted frame rate isn't very practical for long movies, if one doesn't have infinite amount of time to make it (or multiple computers)... Though, for example when making
Unity, Fei & co. recorded footage with massive source fps's (2500-4000 fps), and the actual output was then downsampled into single frames with Q3 Movie Maker. Too bad we don't have similar software for ET. :)
Anyway, just typing. Has anyone else been messing around with TGA Merge or TGA_hook?
Most editing and compositing software have internal frame blending functions, but most of them, like the one in After Effects for example, don't allow much fine tuning: AE's frame blending uses a perfect exposure for each picture, making the end result quite blurry when using high-fps source material, like 500 or 1000 fps (AE frame blending sample, 500fps source).
With TGA Merge, however, it's possible to obtain crispier results from high-fps recordings by using a pyramidical weighing, in other words, emphasizing the pictures around the source frame and fading out frames further away from the source frame.
Here's a quick test I did with TGA Merge. Source was recorded with 1000 fps and then downsampled to 25 fps. Resolution is 720p HDTV, with some loose xvid compression: TGA Merge sample.
An image captured from the sample above:
Recording 1000 fps footage and downsampling them into wanted frame rate isn't very practical for long movies, if one doesn't have infinite amount of time to make it (or multiple computers)... Though, for example when making
Unity, Fei & co. recorded footage with massive source fps's (2500-4000 fps), and the actual output was then downsampled into single frames with Q3 Movie Maker. Too bad we don't have similar software for ET. :)
Anyway, just typing. Has anyone else been messing around with TGA Merge or TGA_hook?
Meikäläisen toinen leffa oli tehty käyttäen tuota Tga_hookkia mutta vain paljon pienemmällä capture ratella (150) mutta kyllä se aika hyvin toimi jo.
En kyl TGA_hookkia saanu pelittämään ET:n kanssa millään.