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dbamorin
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quality issues when importing still images as frames for animation

Apr 2, 2012 7:30 PM

hello,

 

i've imported roughly 600 hand-drawn and scanned (600 dpi) images as frames for video. the images themselves are really crisp and perfectly how i want them to appear. i've imported each to play for 2 frames then move to the next. once done, i save this video file as an .avi. i then repeat the process in order to layer the video (using Calculations filter) over and over again, to fill up the screen with overlapped, layered animations. in theory, these layers should all remain crisp, just like the scanned images. i was under the impression that the standard Export... > Movie... .avi file is essentially lossless and is best for editing, however when my process is completed, the final product is muddy, grainy, and pixelated. i'm not sure where i am going wrong, as i've actually done this process before with success.

 

is there a way to specific the working file as "high definition" or something similar so that the quality is just as crisp as the scanned images i am using as source

 

any help is appreciated - i am completely self taught in video editing and it is really bugging me that the file output is not how i envisioned.
thanks,

DB

457 Views   4 Replies   Latest reply: SFL46, Apr 3, 2012 3:05 PM
 
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  • Velzz
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    1. Velzz,
    Apr 2, 2012 8:26 PM   in reply to dbamorin
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    I just went through this problem. You need any video or image you import to match the settings of your sequence or else that is what happens. If your sequence is 480 then so must your images/vids.

     
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  • dbamorin
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    2. dbamorin,
    Apr 2, 2012 8:45 PM   in reply to Velzz
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    Thanks - does this matter even if the image is larger than the sequence? my images are very high res.....can they be imported so that they are not resized and rather maintain their quality if the final video is expanded (for instance, remain clear if the video is played at 200%?)  or should i just somehow create a sequence that matches the size of the images?

     
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  • Velzz
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    3. Velzz,
    Apr 3, 2012 11:08 AM   in reply to dbamorin
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    The video i imported was larger than my 480 sequence and it looked like poo. Premiere does not do a good job of scaling either up or down I guess. Images were the same deal since I attempted to use images in place of the video.

     
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  • SFL46
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    4. SFL46,
    Apr 3, 2012 3:05 PM   in reply to dbamorin
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    I note you specified that the images were 600 dpi.  The dot per inch are an issue only for printing a hardcopy.  For video work, the issue is the pixel dimensions and the pixel aspect ratio. If your image is 600 pixels by 400 pixels with a PAR =1.0. If your sequence is 1440 x 1080 with a pixel ratio ratio of 1.33, then the images must be the same and PrPro must scale up the image.  You can get good images from imported stills in PrPro. I prefer to rescale my images using Photoshop.  I am told that the scaling algorithm in PrPro has been improved.  But regardless, if you are scaling up, you will see degradation becauae Prpro has to interpolate between pixels to fill the video frame.

     
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