I downloaded a time-lapse video. I wanna make it into an animated gif. I use virtualdub, and load the compressed .avi into virtualdub. I use the export>animated gif function to save a portion of it to animated gif. Then, when i play it back, i end up with LOTS of artifacts in the gif. It looks horrrrrrible. Anyone got any ideas?
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Try reduce the framerate under video->framerate to something like 1-5fps and maybe resize it to a lower frame size/resolution.
Hi. Thanks Baldrick, but it still looks horrible when resizing it. I ddn't try lowering the fps because i wanna keep the spped of it intact. It's a mystery why it looks so bad. I usually have good results when using virtualdub to make animated gifs.
Gif uses a 256 color palette. It's not going to look good unless you have few colors and an optimized palette. VirtualDub uses a generalized palette of 256 colors spread across the full 16 million color RGB cube. That means the steps from one shade to the next are very large.
full color original:
256 color GIF:
Last edited by jagabo; 12th Nov 2012 at 08:21.
There are other ways of converting to GIF.
16million-color PNG graphic posted by jagabo above:
GIF created from the above PNG using HVS ColorGIF 2.0 photoshop plugin. Not perfect -- after all, you're still working with 256 colors, not 16 million. The actual range used for dithering below is RGB 8-250. But if you really want to see something odd, click the GIF to view it full-fize in the forum viewer, then copy the full-sized GIF to your hard drive. Then open it in VirtualDub or any graphics program and see how much better (but still imperfect) the GIF looks in a graphics app rather than a browser.
I recall seeing internet guides that showed how to make animated pseduo-GIFs that actually used jpg and png graphics that were simply renamed "GIF" by the animating software. Of course, now I can't find any of those posts . . .!
Last edited by sanlyn; 12th Nov 2012 at 23:22.Our inventions are wont to be pretty toys, which distract our attention from serious things. They are but improved means to an unimproved end. -- Henry David Thoreau