- Taking HDR pictures of a moving target is easy enough when there are either multiple photodiodes per photo site or a higher precision diode then you can capture a HDR image without multiple exposures.
A any rate I know that it isn't intended for low light performance but it does on some cameras (droid DNA for example from personal experience) does improve low light performance. And error (or noise) does decrease as the square if the number of samples, and each image collected in a HDR stack is another sample.
And of course the whole name HDR is something of a misnomer - it's dynamic range compression - fitting everything into 8 bits of dynamic range is the difficulty. Capture 10 bits of dynamic range an put it on a 10 bit (per channel) display and there's no funkily color going on.
Anyway, I get better low light performance with the DNA HDR mode than in normal mode with low light.
As for getting better low light with the DNA on HDR mode instead of low light, that may very well be the case for you, if you're taking HDR pictures and not having to worry about the issues that could negatively affect them, like fast movement.
The name HDR isn't a misnomer. HDR is named after the situation in which it applies, not what it does. It applies to situations where there is a HIGH variance in DYNAMIC RANGE in the scene. Hence, HIGH DYNAMIC RANGE mode on a phone. Just like Macro Mode applies to Macro (very close-up) shots and Night Mode applies to Night Time shots.
If you meant HDR was a bit overrated (i.e. a FAD), then of course it is - sort of (since it does serve a legit purpose). It became overrated when Apple added it to the iPhone and suddenly everyone decided they had to have it. In any case, you need very good image quality to turn out HDR photos that aren't noticeably worse than what the camera would have spit out without HDR turned on.02-03-13 01:00 PMLike 0 - I've spent some of the day taking identical shots in various modes with an iPhone 5 and the Z10.. and while it is a personal choice, I would say that from the sample shots I've taken, which have all been indoors, the iPhone won on every occasion.
I'll probably do the same tomorrow but outside, where we may see different results. As posted, the output it all in the software processing, so maybe we will see some improvements in an update if its thought generally to be a problemPaulct likes this.02-03-13 01:06 PMLike 1 - Taking an HDR photo on a phone of i.e. a dog running across the yard is almost impossible if your goal is to get a quality photo. Smartphones simply aren't there yet and you're limited to software algorithms trying to line the pictures up, which can be impossible if the shape of the target has changed between each differently exposed shot - you could get better results putting the photo through an image editing program after taking it, without HDR. No need to get too technical about it, just say it in layman's terms. It won't happen - not with a smartphone. However, a $10,000 camera may be able to pull it off.
As for getting better low light with the DNA on HDR mode instead of low light, that may very well be the case for you, if you're taking HDR pictures and not having to worry about the issues that could negatively affect them, like fast movement.
The name HDR isn't a misnomer. HDR is named after the situation in which it applies, not what it does. It applies to situations where there is a HIGH variance in DYNAMIC RANGE in the scene. Hence, HIGH DYNAMIC RANGE mode on a phone. Just like Macro Mode applies to Macro (very close-up) shots and Night Mode applies to Night Time shots.
If you meant HDR was a bit overrated (i.e. a FAD), then of course it is - sort of (since it does serve a legit purpose). It became overrated when Apple added it to the iPhone and suddenly everyone decided they had to have it. In any case, you need very good image quality to turn out HDR photos that aren't noticeably worse than what the camera would have spit out without HDR turned on.
Second, it is a misnomer because while you are capturing those bits, you are throwing away a significant amount of the information to fit it in an 8 bit per channel jpeg or for display on an 8 bit per channel monitor. OpenEXR is more of an example of real HDR (if you are storing it in that format and displaying on a high dynamic range monitor such a those sometimes used in medicine or remote sensing work) but cellphone HDR modes tend to be with a couple of exceptions examples of dynamic range compression rather than high dynamic range capture (trying to simulate brightness response being both locally and globally relative) but I think that is getting into and argument over terminology.
Cellphone sensors in short order will be able to capture higher dynamic range in a single shutter event as they will have SR style sensors, or you have sensors like the 808 which is already more than 8 bits dynamic range.02-03-13 01:41 PMLike 0 - Look at this, http://images.tsn.ca/images/stories/...ron2_42062.jpg
All other phones and cameras are perfect, especially in low light (note sarcasm intended).
But then again, this was actually posted on one of Canada's top sport-news websites, yikes. So maybe we are just used to terrible photography here in Canada, so that is why the Z10 camera is so bad.02-03-13 01:52 PMLike 0 - Some of you guys are really ridiculous. I've been a member of Crackberry since its opened its doors and since I DARE say I'm disappointed in a feature of the Z10 then I guess I'm making it up. Geez, it's no wonder so many people can't stand blackberry lovers. Any time a mention of a poor feature on one of their phones is mentioned you get accused of being a troll. For the record I have a 9900 now and my brother got his Z10 from the launch event that he attended.
And yeah, the camera is pretty pathetic by today's standards and for a phone that has been delayed forever that was supposed to be awesome in every way.02-03-13 02:03 PMLike 2 -
Also, which shots do you believe have this "anti-aliasing" effect? I see none in any of them, when I look at the full-size view, and if you're judging from just the scaled down version CrackBerry displays then I'm afraid you're just doing it wrong...02-03-13 04:11 PMLike 0 - I think those who have ventured and owned other devices over the past few years will be honest and say the camera is not as good as it could be, others will just defend it.
I expect not a lot from the camera considering Rim prioritised a slimmest bb ever when they launched the flagship 9900 over having better battery life and a camera with autofocus...doesn't surprise me in the least.Paulct likes this.02-03-13 04:21 PMLike 1 - First of all, you are only getting an additional bit of dynamic range for each additional exposure so with the three exposure system you are really only at 10 bits dynamic range - which is really medium dynamic range by the more traditional definition.
Second, it is a misnomer because while you are capturing those bits, you are throwing away a significant amount of the information to fit it in an 8 bit per channel jpeg or for display on an 8 bit per channel monitor. OpenEXR is more of an example of real HDR (if you are storing it in that format and displaying on a high dynamic range monitor such a those sometimes used in medicine or remote sensing work) but cellphone HDR modes tend to be with a couple of exceptions examples of dynamic range compression rather than high dynamic range capture (trying to simulate brightness response being both locally and globally relative) but I think that is getting into and argument over terminology.
Cellphone sensors in short order will be able to capture higher dynamic range in a single shutter event as they will have SR style sensors, or you have sensors like the 808 which is already more than 8 bits dynamic range.
It's a pretty shoddy work-around to achieve better low light performance, and it doesn't change the fact that this phone's camera is worse than competing devices, which is what the whole point of this thread is.
The technical aspects of HDR photography simply are too tangent to the thread's subject and I've entertained it enough. Not worth fighting so hard to derail the discussion. I'm over it and the HDR "factor" isn't much of a factor at all - and not deserving this much time or text to delve into.
You're trying to argue with me about HDR and have obviously forgetting why I made the comments I did IRT HDR photography. I suggest you go back and read my original post where I mentioned it, and the post that I'm pretty sure I quoted as well. The poster I quoted seems to think you cannot take decent low light shots without HDR, which is laughable. They also tend to think (by extension) other cameras need HDR to take decent low light images, which is laughable as Android phones like the GS2 without HDR in the camera app are able to take better (less noisy) photos in lower light than this camera.Last edited by n8ter#AC; 02-03-13 at 06:09 PM.
mikeo007 likes this.02-03-13 05:56 PMLike 1 - Some of you guys are really ridiculous. I've been a member of Crackberry since its opened its doors and since I DARE say I'm disappointed in a feature of the Z10 then I guess I'm making it up. Geez, it's no wonder so many people can't stand blackberry lovers. Any time a mention of a poor feature on one of their phones is mentioned you get accused of being a troll. For the record I have a 9900 now and my brother got his Z10 from the launch event that he attended.
And yeah, the camera is pretty pathetic by today's standards and for a phone that has been delayed forever that was supposed to be awesome in every way.
and i wasn't calling you a troll, nor did i see any post in this thread say you were one. i simply linked you to another thread.
also, its all OPINIONATED and what you or I think about the camera is fact.
also, when did this thread become a topic about hdr photos? lol02-04-13 04:51 PMLike 0 - well just for the record, and im not taking shots at you, but you've only been a member since march of '12.
and i wasn't calling you a troll, nor did i see any post in this thread say you were one. i simply linked you to another thread.
also, its all OPINIONATED and what you or I think about the camera is fact.
also, when did this thread become a topic about hdr photos? lol02-04-13 05:23 PMLike 0 -
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I am really disappointed in the camera.
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