Re: How do I batch change photo DPI settings
- From: "jimkramer" <Newsreader1@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 27 Mar 2008 20:19:04 -0400
"Mark W." <mark@xxxxxxxxxxxxxxxx> wrote in message
"Paul Furman" <paul-@xxxxxxxxxxxxx> wrote in message
Mark W. wrote:
My dumb OCR software will refuse to OCR an image if it's lower than a 96
dpi setting in it's properties.
It doesn't care that the pixel dimentions are much higher than some
other much smaller pixel dimention
file if it's properties say it's dpi is under 96 dpi.
So, how can I batch change many image files (usually JPEG's) to a
particular dpi property setting?
I'm using Omipage Pro 14 to do the OCR.
Irfanview sounded familiar. Turns out I already had it installed. It only
took a few minutes to figure out how to batch reset the DPI's in my files.
Funny that it always compresses the files to about only 27% of the
I would prefer that it left the file quality alone.
I'm only resetting the DPI numbers. I experimented with resetting to 3
different DPI's: from the original 72 DPI, to 96, 300, and 600. The
resulting new files are all exactly the same NEW size regardless of which
those 3 DPI's I reset the files to.
Am I just unaware that I chose some compression unintentionally?
Couldn't find anything about compression or image quality/resolution in
Under the "options" button (right of the format pull down menu, but before
"set advanced options") Unfortunately it is a slider bar 0-100 so you have
to know what your compression is beforehand...
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