jpg resolution for iPAQ

beemer

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In saving jpg photographs from PS7 to display on my iPAQ 5550 what is
the optimum file resolution as far as image quality is concerned?

I have iPAQ image viewer, WM2003 Pictures, WM2003 Media

Should the saved resolution be the same as the ipaq native screen or a
multiple? Is it better for me to try to use an optimum size than let
the ppc application resize "to fit"?

(posted also to Photoshop groups)

Beemer
 

beemer

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In article <MPG.1bab8aef8c4bba799896a1@193.38.113.46>,
beemer@nowhere.com says...
> In saving jpg photographs from PS7 to display on my iPAQ 5550 what is
> the optimum file resolution as far as image quality is concerned?
>
> I have iPAQ image viewer, WM2003 Pictures, WM2003 Media
>
> Should the saved resolution be the same as the ipaq native screen or a
> multiple? Is it better for me to try to use an optimum size than let
> the ppc application resize "to fit"?
>
> (posted also to Photoshop groups)
I should have added for those not familiar with the ipAQ 5550 the screen
resolution is 240 x 320

Beemer
 
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"Beemer" <beemer@nowhere.com> wrote in message
news:MPG.1bab91583717f11d9896a2@193.38.113.46...
> In article <MPG.1bab8aef8c4bba799896a1@193.38.113.46>,
> beemer@nowhere.com says...
> > In saving jpg photographs from PS7 to display on my iPAQ 5550 what is
> > the optimum file resolution as far as image quality is concerned?
> >
> > I have iPAQ image viewer, WM2003 Pictures, WM2003 Media
> >
> > Should the saved resolution be the same as the ipaq native screen or a
> > multiple? Is it better for me to try to use an optimum size than let
> > the ppc application resize "to fit"?
> >
> > (posted also to Photoshop groups)
> I should have added for those not familiar with the ipAQ 5550 the screen
> resolution is 240 x 320


I would imagine the resizing algorithms in Photoshop are probably far more
sophisticated than the "resize to fit" algorithm in your PocketPC (which
obviously is optimized for speed). Therefor - if you're looking for
quality - you'd be better off resizing in Photoshop to the native screen
resolution of your íPaq. Besides, it will take at least some CPU load off
the iPaq while displaying the images.

--
Björn Holmgren
 

beemer

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In article <mwf0d.4078$LV3.6557@nntpserver.swip.net>, bjohol@hotmail.com
says...
> "Beemer" <beemer@nowhere.com> wrote in message
> news:MPG.1bab91583717f11d9896a2@193.38.113.46...
> > In article <MPG.1bab8aef8c4bba799896a1@193.38.113.46>,
> > beemer@nowhere.com says...
> > > In saving jpg photographs from PS7 to display on my iPAQ 5550 what is
> > > the optimum file resolution as far as image quality is concerned?
> > >
> > > I have iPAQ image viewer, WM2003 Pictures, WM2003 Media
> > >
> > > Should the saved resolution be the same as the ipaq native screen or a
Björn,

Thanks for the advice. The only remaining decision is whether to rotate
landscape photos and resize to the same 1.33 ratio giving 180 x 240 so
that all can be viewed slide show like without constant turning the iPAQ
90 deg.

Beemer
 
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"Beemer" <beemer@nowhere.com> wrote in message
news:MPG.1bab9c2e237419839896a3@193.38.113.46...
> In article <mwf0d.4078$LV3.6557@nntpserver.swip.net>, bjohol@hotmail.com
> says...
> > "Beemer" <beemer@nowhere.com> wrote in message
> > news:MPG.1bab91583717f11d9896a2@193.38.113.46...
> > > In article <MPG.1bab8aef8c4bba799896a1@193.38.113.46>,
> > > beemer@nowhere.com says...
> > > > In saving jpg photographs from PS7 to display on my iPAQ 5550 what
is
> > > > the optimum file resolution as far as image quality is concerned?
> > > >
> > > > I have iPAQ image viewer, WM2003 Pictures, WM2003 Media
> > > >
> > > > Should the saved resolution be the same as the ipaq native screen or
a
> Björn,
>
> Thanks for the advice. The only remaining decision is whether to rotate
> landscape photos and resize to the same 1.33 ratio giving 180 x 240 so
> that all can be viewed slide show like without constant turning the iPAQ
> 90 deg.


Well, IMO the iPaq screen is small enough as it is. I'd rather manually tilt
the device than look at undersized images. Then I guess it also depends on
what's your most common format - landscape or portrait. If most of your
photos are landscape it would be better to rotate the portrait ones - and
vice versa.

--
Björn Holmgren
 
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i agree with the rotation

fwiw, irfanview http://irfanview.com has the ability to "batch process"
a large number of files in one pass... reducing the size, rotating the
image and setting the jpeg compression at the same time... have used it
to process hundreds of images at once.

Further, you may want to look at the image viewing apps for the ppc that
are around.... most offer full screen slide shows and use the ppc
controls to fwd back through a folder.

Beverly Howard [MS MVP-Mobile Devices]
 
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Hi Beemer

FWIW I find 320 x 240 a little too lossy and the details isn't there when
zoomed

I prefer a minimum of 640 x 480 - it seems to retain most of the fine detail
when viewed with XnView on PPC

Yes! There is such a thing! A free (or should I put that as F-R-E-E) image
viewer for the PPC 2002/2003

Have a look at xnview website and it allows an install to card ratrher than
default directory of main memory.

Xnview seems to default to showing the full image within the iPAQ screen and
allows preset zoom too

HTH

Articus

ps - with IrfanView as a free image resizer and XnView as free image viewer
with types for PC and PPC well - the wurld is your oyster m8 - go for it!

A


"Beemer" <beemer@nowhere.com> wrote in message
news:MPG.1bab8aef8c4bba799896a1@193.38.113.46...
> In saving jpg photographs from PS7 to display on my iPAQ 5550 what is
> the optimum file resolution as far as image quality is concerned?
>
> I have iPAQ image viewer, WM2003 Pictures, WM2003 Media
>
> Should the saved resolution be the same as the ipaq native screen or a
> multiple? Is it better for me to try to use an optimum size than let
> the ppc application resize "to fit"?
>
> (posted also to Photoshop groups)
>
> Beemer
 

beemer

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In article <#wtSWp0lEHA.3452@TK2MSFTNGP15.phx.gbl>, "Beverly Howard [Ms-
MVP/MobileDev]" <BevNoSpamBevHoward.com> says...
> i agree with the rotation
>
> fwiw, irfanview http://irfanview.com has the ability to "batch process"
> a large number of files in one pass... reducing the size, rotating the
> image and setting the jpeg compression at the same time... have used it
> to process hundreds of images at once.
>
> Further, you may want to look at the image viewing apps for the ppc that
> are around.... most offer full screen slide shows and use the ppc
> controls to fwd back through a folder.
Bev, thanks for the tip

Beemer
 
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