Common Global Color Table Here I Generate a Single Global Color Table for all the frames of the video.Ĭonvert -quiet -delay 1 plane.avi +map plane_cgc.gif (Hilbert Curve Dither), which produces a pseudo-random pattern of colors Panning upward), but also because IM used a Error Correction Not only because the background is moving (due to the camera Not a lot forĪ 1Gbyte video but still an appreciable amount of space, especially asĪdded to this is that the animation will not GIF frame optimize very ![]() Per color * 106 frames or 81,408 bytes of file space. Those extra color tables could be using up to: 256 colors * 3 byte Unfortunately the GIF format does not compress color tables, so all (due to the GIF format limitations), the whole animation is using a That is while each frame has less that 256 colors That is each and every frame in the GIF animation required there ownĬolor index table. This is not always the case, especially as GIF has 256 colors per frameīytes in size, which while only 1/5th the size, due to color reductionĪnd GIF pixel data compression, it is still rather large.Īlso if you study the resulting animation further you will find that ofįrames had their own own separate local color Problems exist, because the video uses very few colors to start with. Produce a very reasonable conversion of the video. ![]() This used ImageMagick's the default Color Quantization and However be warned that you will probably get some unsupported 'AVI chunk' errors, which can be ignored by using a " -quiet" control setting.Ĭonvert -quiet -delay 1 plane.avi plane.gif IM however has no real trouble converting this video into a GIF animation. However while the AVI itself is quite small, the uncompressed video is aįrames. Mutually explore IM video conversion techniques. ![]() ImageMagick Video to GIF Optimization SummaryĪ software developer who uses IM to create Movie GIFs, Benoit
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