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Jumpy JPEGS when keyframed. Help???
Hi there, I am keyframing JPEGS in my timeline to give them a drift effect like that found in the Mac screen savers. I’m finding that some images are smooth and some are jumpy. I have added a de-interlace filter to overcome this, but it doesn’t always have the desired affect. Is there something else that controls this problem? Thanks, Simon.
MemoraMedia – Using media to celebrate your memories
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8 Replies
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Simon,
What type of monitor are viewing them on? Are you rendering, and are you certain that “full” is checked?
DRW
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Hi David, Thanks for your assistance. I am viewing on a Sony PVM-14N6A Broadcast Monitor. I have checked the render settings and everything is set to maximum quality…Full is checked. Is there something odd maybe in the images themselves, because I have some images that drift smooth as silk and yet others don’t. Could it be something about pixel shapes or something else strange like that? Simon.
MemoraMedia – Using media to celebrate your memories
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Simon,
Now you’ve got me stumped, cuz nine times out of ten these problems are from people who don’t have a broadcast monitor and don’t know they need to render. I think you might want to use render manager and chuck out your renders and re-render and see if that cures you.
Let me know…
DRW
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Hi David, Thanks again for your help. I have done the Render Manager thing and re-Rendered and it’s all still the same. The funny thing is that there is a JPEG before the bad ones that is fine. The bad ones jump in the cross dissolve and then bop up and down as the keyframe takes place. It looks as though the fields are out of order, but I have changed their order and re-Rendered and still nothing…it seems very strange. I don’t want to be a bother, but any help you can offer will be greatly appreciated. Thanks again, Simon.
MemoraMedia – Using media to celebrate your memories
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Hi malcolmland,
To move and resize JPEGS I think FC is not the best tool. Just because what you say, some times look really good, some times horrible. I do it in AE.
About the jumps in the dissolves, try if there is any difference when rendering in RGB or YUV. When your rendering in YUV and you set an effect or transition that has to be rendered in RGB, some times there is a big jump in the levels.
My only advice is not to use the de-interlacing. As long as your working with JPEGS, there is nothing to deinterlace. In the best case you are just wasting time with a longer rendering. In the worst case I think this could be degrading a lot the quality of your pictures, a long as in any de-interlacing the half of the information is generated, with better or worst fortune, by the computer.
Salud.
Rafael -
Thank you Rafael and David…you have been very helpful and I will follow up all of your suggestions. Have a great day, Simon.
MemoraMedia – Using media to celebrate your memories
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Have you used the ‘smooth’ function? If so, you have to play with that a bunch to get smooth moves, it’s really terrible. You can find a thread on it here:
Jeremy
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Hi David, Just to let you know, I have discovered the problem with the jumpy JPEGS. They were too big (absolutely massive). I brought them into Photoshop CS2, cropped them to 720 x 576 (PAL), resized them to the same and saved them as TGA files. They are now running sweet. Just wanted to let you know and thank you for your kind assistance. Have a great day, Simon.
MemoraMedia – Using media to celebrate your memories
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