Camera picture resolution - Xiaomi Mi A1 Questions & Answers

I am interested in this device, but I have a question about the camera.
Is it possible to change the picture resolution to a 16:9 aspect ratio? And if so, at what megapixel count is it?
To compare: my compact camera has 16 megapixels and in the settings there is a 16:9 aspect ratio available, but at 12 megapixels which is fine.

9.0MP 4000x2250

Thanks. 9 Megapixels is a bit low, but could be sufficient.
Does anyone have experience with shooting images at that resolution/ratio? Do they come out right?

Maybe I'm not an expert, but one thing I know for sure is that the number of megapixels does not determine quality but the size of the photo. Now you figure out what's more important to you. Otherwise, I am very pleased with the photos taken by MI A1, and I'm particularly interested in the fact that the camera has a very decent slow motion (in any case, you get a much better camera than you expect).

I agree, that's why I said it is (only) 'a bit' low, 9 megapixels. I am not a 'more megapixel fan', often it even messes up the picture, because of too many megapixels in a too small sensor (more megapixels could be helpful in some ways, although sensor type, size and quality are much more important).
Still interested in experience with/sample pictures at that resolution, so...

Related

5MP Camera? WRONG!! "Just" 4.02MPixel

Hi all,
wonder why nobody noticed this but.. have you ever tried to take a shot with the camera and then open it with your PC? The resolution is 1552x2592 (or the other way around in case of landscape shots) which is exactly 4.02Mpixel instead of 5.0
what do you think?
Maybe you didn't take the photo at the maximum resolution, because mine has 2592X1944 = 5038848 = 5 MpĂ­xels !!!
Try to change between widescreen photo and standard size. One of them is 4 MP and the other is 5 MP. I don't own a HD but I think I red it somewhere.
I think you are taking photos in widescreen
ehm.. yes jamief00.. I was taking photos in widescreen mode.. but I didn't tought that it would simply "cut" the exceeding pixels :| too bad.. well.. thank you
This has been covered in other threads!!!
This seams to be a common thing with cameras in general, I have a HD camcorder which obviously records video in widescreen. When it comes to taking stills the 4:3 pictures are higher resolution that the 16:9 pictures. It appears that the CMOS sensors are 4:3 and are clipped to give 16:9 rather than the other way round.

Too much noise from the 8MP camera!

Anybody else notice this, the 8MP camera is noise as hell and in some cases (for me) distort the pic or shoots it blurry. Why is that? My 5MP on my HD2 is not noise at all. Is the Incredible camera noise as well (since im sure they are the same).
More megapixels doesn't equal higher image quality, I think this is what you're forgetting. It's just from HTC, they do process the hell out of the images taken from the camera and it's not enhanced by Kodak or Carl Zeiss. If it did have efforts from them I would be very disappointed. I really want to see how good the 12 megapixel camera on the Nokia N8 looks. Maybe we can have a benchmark.... it's still a phone afterall.
Post a pic with the noise you are talking about. What ISO setting are you using? AUTO?
Also what kind of lighting are you under?
This is a phone camera after all. The MP is just marketing.
how to import picture from EVO into the PC the pics are saved into the Phone not into SD
advice please
why don't you just email it to yourself?
rutter9 said:
why don't you just email it to yourself?
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Click to collapse
I cannot email 200 Pics to myself
Raadius said:
Anybody else notice this, the 8MP camera is noise as hell and in some cases (for me) distort the pic or shoots it blurry. Why is that?
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Click to collapse
It depends on your ISO settings. Your previous phone might not have had the issue because the EVO can go all the way up to 1250 ISO, while most other phones cannot go above 800. Its good to have options.
I would suggest to turn off auto ISO. If its dark, change your ISO to a high setting. If your in a lot of light, lower your ISO.
Even though 800-1250 ISO might be noisy, it can take sharper low light photos.
I doubt that the image sensor for this phone is not physically bigger than the 5mp one in the Hero. To fit 8 million pixels into the same physical space that 5 million pixels inhabit on the hero means that each pixel has to be smaller. Smaller things have less surface area and thus are less sensitive to light. To counteract this loss of light sensitivity they have to amplify the light that they receive and this causes more grain. Again, this is all assuming that the sensors are physically the same size. Most compact cameras have used the same size chip physically for years but adding pixels year after year. Eventually you get diminishing returns in quality because of the extra grain. This is why compact cameras don't have 30 mega pixels now, they reached the max where things just get worse if they go higher.
Set iso to 100
Amazing

[Q] Zoom Quality on Android with 1024x768

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.

Camera sensor question

Alright, so it's known that the sensor used in the N6P is the Sony IMX377. However, does anyone know if this sensor is native 16:9? 12.3mp is already pretty damn low for a "flagship" phone now-a-days, so it would kind of suck to have to go down to 9.6mp to shoot in a 16:9 aspect ratio.
I quickly googled the sensor and there are a couple of datasheets, I am no camera lens technical expert but it looks like 12.3MP is 4:3.
http://www.sony.net/Products/SC-HP/IS/sensor2/products/imx377.html
__NBH__ said:
I quickly googled the sensor and there are a couple of datasheets, I am no camera lens technical expert but it looks like 12.3MP is 4:3.
http://www.sony.net/Products/SC-HP/IS/sensor2/products/imx377.html
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Click to collapse
Damn. I have to say, that's disappointing...
Yeah, it's 9.6mp in 16:9.
I like 4:3 MUCH better for photos, anyway.
Same, 4:3 is better
Me too...
4:3 crop sensors are fsr more common than full frame 16:9 ones. I like the 4:3 shots better anyway
I agree it is very disappointing. I don't like 4:3 photos at all and I'm use to DSLRs with 16:9 photos.
Slash8915 said:
Alright, so it's known that the sensor used in the N6P is the Sony IMX377. However, does anyone know if this sensor is native 16:9? 12.3mp is already pretty damn low for a "flagship" phone now-a-days, so it would kind of suck to have to go down to 9.6mp to shoot in a 16:9 aspect ratio.
Click to expand...
Click to collapse
Are you sure you need all that resolution? Even at 9.6 MP that's more information than could be displayed on a 4K television screen.
Keep in mind that although the IMX377 is not as high resolution sensor as some of the 16 MP and 20 MP sensors seen these days, it is a very large 1/2.3 sensor (large for a phone). So it is actually physically the largest sensor that's been put in any flagship, except the Xperia Zx phones and the great Nokia phones (like the 808, 1020, N8 that have sensors which remain years beyond anyone, even though they are no longer new phones).
So the reason the 6P has "only" 12.3 MP is not because it is a "low" or "small" sensor. It's a very large sensor (again, for a phone). But instead of using the extra size for more pixels, which is a waste for almost all purposes, they use the extra size for larger pixels. This means the images should have better color accuracy (lack of reviews of the phone proving this, notwithstanding), because the larger pixels can catch more light. The overall larger sensor also improves low light performance and noise.
Even the Z5, the only other phone with a 1/2.3 sensors, doesn't use it's full 23 MP to create unnecessarily enormous photos with details no one needs. Instead its default setting to to produce 8 MP images. The extra pixels are used to oversample, using many pixels to composite into one effectively larger pixel, for the advantages of color accuracy and lower noise. This is the "Pureview" technique pioneered by Nokia with the 808 and its huge 1/1.2 sensor, that's actually 41 MP, but defaults to "only" 5 MP final images.
So unless you have a very specialized need for more detail than the already massive amoung of detail of 9.6 MP or 12.3 MP (and assuming you even have a screen capable of displaying more than the 8 MP it takes to fll a 4K screen), the benefits of smaller images, with larger pixels, and a larger 1/2.3 sensor far outweigh pointless extra pixels that people get obsessed with but serves no purpose for most people. Remember, the megapixel race in phones and consumer cameras has always been a mistake, that produces a level of detail people don't need and can't see, that produces unnecessarily large file sizes, and that actually creates problems like reduced color accuracy and increased noise. Physical sensor size matters a lot, megapixels, beyond about 5 MP or 8 MP serve no purpose (unless you're creating billboards or printing wall sized photos).
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One side note, if your current phone is the LG G4, as your signature suggests, I would not expect to get better images out of the 6P. The G4 has arguably the best camera in a current smartphone. It already has a pretty large 1/2.6 sensor. Even though it's pretty high resolution at 16 MP, apparently they've done something to really reduce the amount of noise you'd normally expect from a 16 MP sensor. And it has one very large advantage over the 6P, which is OIS (optical image stabilization). I'd really wait for reviews that compare the G4 camera to the 6P, if this is important to you. At best, I'd expect the 6P to be as good as the G4 (and it may not be), but I'd be surprised if it surpassed the G4 for still images. And without OIS, there's no way videos will be as stable on the 6P, whatever other merits it may have.
The Z5 have a pretty stable camera, one of the best in the market right now and it doesnt have OIS. So lets hope google will arrive with a better algorithm

Camera Resolution

Been playing around with camera resolution and I understand that while the actual sensor is 48MP OP defaults it to 12MP to "capture" more details (I think thing the 48MP setting provides better shots but that's subjective).
Now the question/issue that I have is when looking in Google Photos (gallery) the shots are being reported at various resolutions... most of the time not close to the 12MP that the sensor is supposed to capture the image at.
Regular lense, showing as 7.2MP --- 4000x1800 resolution (setting in Camera app is 12MP - 6.59mm)
Wide lense, showing 7.2MP --- 4000x1800 resolution (setting in Camera app is 12MP - 3.05mm)
Tele lense, showing 4.8MP --- 3264x1472 resolution (6.95mm)
Bokeh shots appear to be showing higher res, like 13MP.
Pictures taken from my old Pixel 2XL show consistently 12.2MP which I believe is the sensor size so I'm trying to figure out what setting may be affecting the resolution. File size are significantly smaller on the 7.2MP shots so I'm sure I'm losing some quality here.
Switch to 4:3.
You are shooting in 20:9 hence the lower resolution.
Perfect ty. I did select full looks like. Went back to 4:3 and seems to show the correct mp.
Sent from my IN2025 using Tapatalk
is there a way to fix it to provide 16:9?

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