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Confused about down rezzing

Specific to Premiere Elements Version 11.

Re: Confused about down rezzing

Postby Steve Grisetti » Thu Aug 22, 2013 10:32 am

In truth, resolution means nothing when you're creating graphics for video (or for the web), MJK. Most people use 72 ppi as a matter of convenience, but it really doesn't matter. The measurement, in pixels, is the only measurement that matters when creating on-screen graphics.

As for bicubic sharpening, that's a matter of preference. I always use the bicubic sharpener when I'm down-rezzing photos. It makes for sharper image. But, when down-sizing photos for video, it may not matter. Might be worth experimenting to see if you can see the difference.
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Re: Confused about down rezzing

Postby Bob » Thu Aug 22, 2013 2:32 pm

Dpi is only important when you are preparing a photo for printing, it is not used in video at all. In video, only the pixel dimensions are important. You can safely ignore the dpi setting.

In both Photoshop and Photoshop Elements, the crop tool uses the default interpolation method. In Photoshop, you can set the default interpolation method in Preferences. I don't think Photoshop Elements has that preference setting. Photoshop Elements most likely has Bicubic as the default. That's generally ok, bicubic generally does an excellent job. While bicubic sharper is intended to provide more detail in image reductions, it isn't always the best setting for that and may, in fact, over sharpen some photos. In those cases bicubic will be better. And, don't forget, if needed, you can add some additional sharpening after resizing.
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Re: Confused about down rezzing

Postby MJK1250 » Thu Aug 22, 2013 3:42 pm

Guys - I actually think I've got it. Thanks so much - now I can get to work on prepping all my photos.

You guys are the best.

MJK
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Re: Confused about down rezzing

Postby Steve Grisetti » Thu Aug 22, 2013 4:12 pm

Muvipix does tend to attract the nicest and most knowledgeable people. ;)
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Re: Confused about down rezzing

Postby MJK1250 » Fri Aug 23, 2013 10:16 am

Guys - I'm sure you'll be happy to know that I think this will be my last post on this topic but in case the question ever comes up again I wanted you to know that I took the same photo and resized it using both methods, put both of the resized photos on a thumb drive and viewed them on my DVD player to compare. There was absolutely no discernible difference in quality so I'm gonna use the quicker to the two methods for my project.

Again, thanks for all your help.

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Re: Confused about down rezzing

Postby Steve Grisetti » Fri Aug 23, 2013 10:18 am

Love the success stories, MJK!
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Re: Confused about down rezzing

Postby Bob » Fri Aug 23, 2013 11:32 am

Glad we could help! We'll be here when you need us again.
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