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You are not logged in. [Log In] AppleCentral » Forums » Mobile Technologies » iPhone Apps, AppStore, and iTunes » Where is HDR in iOS4.1?
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#535378 - 09/11/10 07:41 PM Re: Where is HDR in iOS4.1? [Re: six_of_one]
NucleusG4 Offline
Master•Blaster

Registered: 04/20/02
Posts: 12486
Loc: Miami, Fl.
I'm inclined to think there are 2 actual copies. But there is not easy way to tell. If I ask Aperture to output the 3 different versions.. then of course it outputs hi res versions and they are all comparable in size. Prior to that 2 are text files.
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#535407 - 09/12/10 03:20 AM Re: Where is HDR in iOS4.1? [Re: NucleusG4]
FSM Offline
Pastafarian

Registered: 05/20/07
Posts: 5142
yeah, on my iPhone 4 i can see two separate images that are both over 1 MB (HDR 2 MB). and, on my photos i think the HDR is making a good difference (at least inside so far). for example, the regular version of this photo was quite dark where the chairs are located and the HDR version brings that out -- this is a lab i taught in today:

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#536111 - 09/18/10 09:58 PM Re: Where is HDR in iOS4.1? [Re: FSM]
Happy Birthday trey Offline
Custom Title (50 characters max)

Registered: 01/03/03
Posts: 5104
Loc: The Wizard's Balcony
It doesn't do the HDR using sidecar data. It actually processes the photo right there in the camera and makes a new file. If you don't have it set to delete the "source" file, it keeps two full size files. So yeah, it would double the amount of space you're using if you don't delete the dupes.

Here's an HDR of the girl cat at my work:



It tends to make the images relatively flat, but it does a decent job in certain situations. I've been really annoyed a few times when I left it on by accident and had what could have been a decent little pic ruined by the effect.

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#536117 - 09/18/10 10:24 PM Re: Where is HDR in iOS4.1? [Re: trey]
carp Offline
Dino's are Babe magnets

Registered: 04/19/02
Posts: 27021
Loc: Hawaii
Nice shot of the cat Trey.

So you can turn it off - would maybe a fast user switch like a hard button be more useful?
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#536130 - 09/19/10 12:09 AM Re: Where is HDR in iOS4.1? [Re: carp]
KateSorensen Offline
77 and counting

Registered: 05/19/01
Posts: 3666
Originally Posted By: carp
Nice shot of the cat Trey.

So you can turn it off - would maybe a fast user switch like a hard button be more useful?


It is rather easy just the way Apple has it.



A -- touch to turn flash off or on
B -- touch to turn HDR off or on
C -- touch to turn movie off or on

That is the screen I am looking at to take a picture [ smile]


.
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#536132 - 09/19/10 12:15 AM Re: Where is HDR in iOS4.1? [Re: KateSorensen]
carp Offline
Dino's are Babe magnets

Registered: 04/19/02
Posts: 27021
Loc: Hawaii
Cool

I don't have one, hence the question. Plus the gest of the thread seemed like you did not have much of a choice or difficult to turn on or off.
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#538015 - 10/03/10 09:04 PM Re: Where is HDR in iOS4.1? [Re: carp]
MacGizmo Offline

What?

Registered: 04/03/02
Posts: 19198
Loc: Arizona
I'm not sure that calling this feature HDR is clear.

It uses HDR methodology (taking 3 exposures of an image to create a single image), but typically people expect a color-rich image when you say HDR. The iPhone's HDR ability simply adjusts the exposure to make highlights and shadows look better.

Technically they're correct, but I think they should just call it something like "photo fix" or similar...

This is what most people think of when you say HDR photo:

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The Graphic Mac - Tips, reviews & more on all things OSX & graphic design.

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#538017 - 10/03/10 09:15 PM Re: Where is HDR in iOS4.1? [Re: MacGizmo]
MacGizmo Offline

What?

Registered: 04/03/02
Posts: 19198
Loc: Arizona
Here's a quick example of the iPhone HDR use:

The image below is the regular photo. As you can see, the wood table is dark, the red stripes on the right side of the can are barely visible, etc.

REGULAR.jpg

Now here is the HDR version of the photo. You can see the stripes, the wood is lighter, you can see the reflection of the mouse on the can of soda, and you can barely see the Apple logo on the mouse. The image is lightened up overall. Quite frankly, I could do better adjustments using iPhoto's rather limited editing tools, let alone Photoshop.

HDR.JPG

For the average user, it's probably a really useful feature, but for me, it's a let-down.
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The Graphic Mac - Tips, reviews & more on all things OSX & graphic design.

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#538020 - 10/03/10 09:51 PM Re: Where is HDR in iOS4.1? [Re: MacGizmo]
carp Offline
Dino's are Babe magnets

Registered: 04/19/02
Posts: 27021
Loc: Hawaii
Fantastic comparisons JD - Thanks.

I like it because it helps us point and shoot people, that have little PS skills.

Larger question for me would be.
If I take a shot with HDR can I still edit it in PS, meaning is the image already out of gamut ranges?
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#538039 - 10/04/10 12:09 AM Re: Where is HDR in iOS4.1? [Re: carp]
six_of_one Offline
Pool Bar

Registered: 04/19/02
Posts: 4474
Loc: Alexandria, VA
Gotta agree -- not sure exactly how high expectations should be with an "HDR" feature that doesn't offer any settings whatsoever. This should help the average Joe Photographer but I can't see expecting something this basic producing the same results as a more professional eye tweaking exposures with more flexible software ...

I'd think you'd have not very many problems fooling-around with the HDR image in Photoshop -- my understanding is that the issue is the limited exposure capabilities of the chip inside a camera more than Photoshop's gamut =)

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