I need to edit footage shot with the phone, but want to avoid the distortions coming from the image stabilization algorithm.
I don't care how shaky it is, I can use a tripod, or warp stab it in post.
So any of you know of an an app that shoots at least 720p, (pref. 1080p) and doesn't use/can turn off in-camera image stabilizing completely.
Thanks.
Bump.
the G2 use optical image stabilization...there is no distortion in that.
Related
Becouse there is no optical zoom on HD2 my guess is that when i take 5MP picture with MAX ZOOM it will take part of 5MP picture and strech it to 5MP thus losing the quality.
What if i take 1MP picture with MAX ZOOM. Will it take 5MP picture and cut only 1MP portion. Or will it take 1MP picture than than strech part of it as zoom resulting in really bad quality.
Can anyone understand me and answer me how is zoom done on low-res pictures like 1MP on Android.
No answers. Does anyone at least understand my question????
This is mainly software question and im not sure how camera software take care of zoom on low res pictures.
your first assumption is correct: the digital zoomed image is obtained by cropping the full picture. As for the question about the different quality on picture taken, let's say, at 5mp or 1mp: i'm not totally sure but as far as i know on a digital camera the sensor will always work at the max resolution, only after that the cpu will scale the picture according to the user choice, applying at the same time a compression algorythm. So i believe the phone will take the photo at 5mp (zoomed, not actually 5mp - cropped) then the scaling process will occur, resulting a 1mp picture. The final quality will not be amazing but still acceptable.
Hello, I was reading a Galaxy Note 4 review and came across 2x lossless zooming for 30fps 1080p video recording and wondered why we don't have it.
Lossless zooming is great as it preserves detail in zoomed situations while keeping the file size big, unlike 4k recording which would consume lots of storage to record then zoom afterwards
As our phone supports 4k recording, doesn't the G2 have the ability to have lossless zooming capability?
If so, can someone tell me if there is there an app that enables us to do this, or someone, perhaps xdabbeb, can enable it for us??
Thanks
sjk971005 said:
Hello, I was reading a Galaxy Note 4 review and came across 2x lossless zooming for 30fps 1080p video recording and wondered why we don't have it.
Lossless zooming is great as it preserves detail in zoomed situations while keeping the file size big, unlike 4k recording which would consume lots of storage to record then zoom afterwards
As our phone supports 4k recording, doesn't the G2 have the ability to have lossless zooming capability?
If so, can someone tell me if there is there an app that enables us to do this, or someone, perhaps xdabbeb, can enable it for us??
Thanks
Click to expand...
Click to collapse
Lossless zoom is achieved when u have an optical lens movment.
I dont believe any of these phones have optical zoom.
You can't "enable" optical zoom. It literally means that the lesnses need to move back and forth. Like in cameras. You see the lens moving and adjusting to the zoom.
-MaoR- said:
Lossless zoom is achieved when u have an optical lens movment.
I dont believe any of these phones have optical zoom.
You can't "enable" optical zoom. It literally means that the lesnses need to move back and forth. Like in cameras. You see the lens moving and adjusting to the zoom.
Click to expand...
Click to collapse
I thought it was a software thing on mobile phones where they increased video resolution and cropped it to show the area you are zooming in on so that the zoomed part remains 1080p??
For example, a quarter of a 4k video would be a 'zoomed in' 1080p one
sjk971005 said:
I thought it was a software thing on mobile phones where they increased video resolution and cropped it to show the area you are zooming in on so that the zoomed part remains 1080p??
For example, a quarter of a 4k video would be a 'zoomed in' 1080p one
Click to expand...
Click to collapse
I guess.. It can't preserve detail so it has to be cropped.
It's like zooming into a picture in photoshop.
We have digital zoom only. Digital zoom scales an area up to "zoom" in. It blows up pictures making them look nasty.
This is a great question and I think the prior replies have missed the concept. Yes, our camera is like 8 or 12 megapixels, but 1080p HD video is like only 2 megapixels. So when we record video on our 8 megapixel sensors, the sensor "line-skips" to resolve only a 2 megapixel (1080p) image. When we zoom in, digitally, it keeps the same "line-skipping" design as non-zoomed. This results in a lower-than-HD resolution. It would be VERY SMART to adjust the line-skipping design, or not line-skip at all, on a digital zoom, thus still using 2 megapixels worth of photo sites to capture the "zoomed" image. This is the same concept as "sensor windowing" used on RED cameras when changing the resolution. I'm surprised this is not the new/standard way to implement digital zooming on ALL modern smartphones to preserve details and resolution when digitally zooming, because of course there is no optical zoom option.
Sent from my LG-D801 using XDA Free mobile app
Enter The Nexus said:
We have digital zoom only. Digital zoom scales an area up to "zoom" in. It blows up pictures making them look nasty.
Click to expand...
Click to collapse
I am quite sure the note 4 does not have optical zooming. This is the reason it made me think and 'come up' with this idea.
Jackdup said:
This is a great question and I think the prior replies have missed the concept. Yes, our camera is like 8 or 12 megapixels, but 1080p HD video is like only 2 megapixels. So when we record video on our 8 megapixel sensors, the sensor "line-skips" to resolve only a 2 megapixel (1080p) image. When we zoom in, digitally, it keeps the same "line-skipping" design as non-zoomed. This results in a lower-than-HD resolution. It would be VERY SMART to adjust the line-skipping design, or not line-skip at all, on a digital zoom, thus still using 2 megapixels worth of photo sites to capture the "zoomed" image. This is the same concept as "sensor windowing" used on RED cameras when changing the resolution. I'm surprised this is not the new/standard way to implement digital zooming on ALL modern smartphones to preserve details and resolution when digitally zooming, because of course there is no optical zoom option.
Sent from my LG-D801 using XDA Free mobile app
Click to expand...
Click to collapse
I do not know much of cameras so I do not fully understand what you(Jackdup) are saying, but I think you know what I mean
Just wondering, do you know of any apps that can do this, or know how this works? Maybe you can explain it to a developer to implement it in our devices
Thanks
Today on my walk with the dog I was lucky enough to take a photo of him "Uwe" during run, I really like it but after back home and uploaded photo to the computer I've quickly notice there is a very bad pixelation all over the photo visible at 100% size with my 32'' 2560x1440 monitor
there is lots of hair / grass details destroyed by the huge pixels! so I am asking is this normal ??? photo was taken in HDR mode 5312x2988
there is the photo:
http://f.cl.ly/items/0P2w1W2D461i3L2E1V28/20141103_151549.jpg
and this is zip file with the original jpg taken from phone, this is probably the same as above quality but just in cast server side compression
http://cl.ly/2Q0A2M2v2C2l
This picture has to be considered excellent!
The N4 camera managed to capture the action and the focus is perfect on the dog.
Regarding your concerns, you can NEVER, and I say again, NEVER judge a smartphone (or even point&shoot) camera by looking at it on 100%.
This is because very heavy noise-reduction algorithms are applied to the picture, and this results in smearing of details when looked at 100%.
But I can assure you that if you print it as big as poster size (A3), the result will still be great!
Only cameras with big sensors can produce excellent quality at pixel level (when viewed at 100%).
So, rest assured that you own a phone with a very capable camera.
As a rule of thumb, always try to have as much light as possible in the frame, this will reduce this "smearing" effect.
I have to agree with the original poster. There's something odd going on with this camera. It's either over-compressed at higher resolutions or they're playing some kind of game to simulate a higher resolution than the camera can achieve clearly. Or maybe they have a really bad high-pass filter on these.
Also, I doubt that these will look good when printed at A3 but since I don't want to use the ink to find out, I won't argue that point.
One thing I've found is that the images are sharper and less mottled looking when I use a lower resolution. 5 or 8MP. It's also very sensitive to light levels. In typical Samsung fashion not all Note 4's are created equal. I've got the US T-Mobile SM-N910T. Other versions may behave better (or worse).
I'm putting together some comparison shots and will post when I'm finished. I've taken shots with the original Galaxy S, original HTC One and my Note 4.
A lot of my pictures look way over-sharpened.
Maybe another camera software could fix this, but I haven't played around with it yet.
Obecny said:
Today on my walk with the dog I was lucky enough to take a photo of him "Uwe" during run, I really like it but after back home and uploaded photo to the computer I've quickly notice there is a very bad pixelation all over the photo visible at 100% size with my 32'' 2560x1440 monitor
there is lots of hair / grass details destroyed by the huge pixels! so I am asking is this normal ??? photo was taken in HDR mode 5312x2988
there is the photo:
http://f.cl.ly/items/0P2w1W2D461i3L2E1V28/20141103_151549.jpg
and this is zip file with the original jpg taken from phone, this is probably the same as above quality but just in cast server side compression
http://cl.ly/2Q0A2M2v2C2l
Click to expand...
Click to collapse
Next time try to turn off hdr so moving objects dont look blurry on the picture. I believe hdr takes multiple pictures to create final picture
Sent from my SM-N910T using XDA Free mobile app
darekz said:
Next time try to turn off hdr so moving objects dont look blurry on the picture. I believe hdr takes multiple pictures to create final picture
Sent from my SM-N910T using XDA Free mobile app
Click to expand...
Click to collapse
Yes, HDR is known to degrade the image quality if there's a lot of movement. I only use HDR for still scenes.
Sent from my SM-N910U
I know there is no optical image stabilization but what software stabilization ? Its more handy for video than stills for my use.
It is using optic-flow-based image stabilization
That is about all I know.
I don't understand the hype with optical image stabilization. The Note 5 has it, and it's so bad that it makes video recording almost unusable. Basically it creates this really nasty motion-rocking effect that distorts the video, ruining the shot.
Optical image stabilization should stay in DSLRs where the lens is decently sized.
I really hope the Nexus 6P does not include it, or if they do make a toggle to turn it off for video.
YandereSan said:
I don't understand the hype with optical image stabilization. The Note 5 has it, and it's so bad that it makes video recording almost unusable. Basically it creates this really nasty motion-rocking effect that distorts the video, ruining the shot.
Optical image stabilization should stay in DSLRs where the lens is decently sized.
I really hope the Nexus 6P does not include it, or if they do make a toggle to turn it off for video.
Click to expand...
Click to collapse
I think it's been shown that it helps with night shots. Less blurriness.
Is it possible to record a video using a wider angle like the one used for photos? Videos are always zoomed in on the stock camera app or Gcam. Although Short videos have a slight wider angle it only allows 15 second videos. Is there any away to change that?
you have to disable video stabilisation
pissgoat said:
you have to disable video stabilisation
Click to expand...
Click to collapse
I disabled but it didn't work
Maybe you can try this version:
MGC_6.2.024_RN7_V1c.apk
I'm using it and it works perfectlt for wide angle video. Even without disabling Video stabilization.
Enjoy!
*try to search in google for the apk
marcellkelvin said:
Maybe you can try this version:
MGC_6.2.024_RN7_V1c.apk
I'm using it and it works perfectlt for wide angle video. Even without disabling Video stabilization.
Enjoy!
*try to search in google for the apk
Click to expand...
Click to collapse
I've tried that version but found no sucess with it. Here are some screenshots https://drive.google.com/folderview?id=12GGWGn79PXOYItFPlVGv8kYehRRIU7QV
So GCam is great at everything photo-related on this phone, but its video output is not impressive except for the 4K option.
You should stick with the stock camera for video recording as it does a great job using EIS.
If you want a wider view, disable stabilization in the stock camera or record at 60 fps.
If you want the widest possible field of view, use Open Camera, disable stabilization, and set the video resolution to a 4:3 ratio. That will use the image from the entire sensor
Quaresma_7 said:
So GCam is great at everything photo-related on this phone, but its video output is not impressive except for the 4K option.
You should stick with the stock camera for video recording as it does a great job using EIS.
If you want a wider view, disable stabilization in the stock camera or record at 60 fps.
If you want the widest possible field of view, use Open Camera, disable stabilization, and set the video resolution to a 4:3 ratio. That will use the image from the entire sensor
Click to expand...
Click to collapse
Thanks for the help! One strange thing is that on Open Camera setting a video resolution to a 4:3 ratio (video stabilization disabled) allows a wider view. On the stock camera even when disabling image stabilization/1080p60 it won't use a wider angle, unless you compare to 1080p30, which has a closer angle than 1080p60. Any ideas what could it be? There's no option on Video Settings on the Stock Camera to set a 4:3 ratio.
mateus9898 said:
There's no option on Video Settings on the Stock Camera to set a 4:3 ratio.
Click to expand...
Click to collapse
That's fully expected as the digital video recording standard nowadays is to record in 16:9 widescreen. I haven't seen any newer phone whose stock camera app offers anything but widescreen resolutions. Some will have the option to record in the screen's resolution and/or ratio.
So, when you're talking 1080p, it is understood that it's 1920x1080, which is a 16:9 ratio.
The sensor produces a 4:3 image, but in video mode the image is by default cropped to 16:9 – the top and bottom of the image are cut off, making the vertical field of view narrower. You have to use a third-party app to enable the sensor's ability to record 4:3 video since this is non-standard. But for typical purposes, I don't know why you would do that, although you can, if you need your camera to capture as much of the environment as possible All our screens are (ultra) widescreen though, and it's more comfortable seeing widescreen video on them.
Electronic image stabilization further messes with the field of view. It 'reserves' a margin on all four sides of the image and uses gyroscope data to move the image back and forth within the frame, compensating for the movement of your hand, and giving the appearance of a more steadily held camera than it actually was. Further software trickery may be/is involved. The final result is that of a 'zoomed in' image. That's also the impression that you might get from the difference between a 4:3 and a 16:9 cropped image from the same sensor.