yashsingh1/xdaforums huggingface dataset:
[HTC EVO 3D] GrimReaper24:
I understand what ur talkin about LOL i also know 3d works by makin your eyes cross in alil weird way how it works.
[HTC EVO 3D] kingakuma:
Turn on your camera with 3D on and try covering each lens separately you will notice the left lens will focus in on text and the right lens won't
[HTC EVO 3D] mmace:
2 different views but focussed on the same thing

if you look at anything in the real world and close your left eye is it blurred and out of focus because you're looking with your right eye? no, it focussed the same as your left.

Both camera's on the phone should be focussed the same, just as the human eyes do. If something is out of focus (in the distance or foreground if you are focussed on the opposite) the it is out of focus in both eyes/cameras

Plus, as I keep saying, if it's correct then why is it only around 25% of photos that do it? why does the right image in videos go IN and OUT of focus and become discoloured on around 25% of them?

does that mean the other 75% are wrong?

It means there's an issue with the right camera on some of these phones (maybe all of them?)
[HTC EVO 3D] billyapd21:
How does this look.
[HTC EVO 3D] billyapd21:
Well I uploaded it as 3d, not sure what happened.
[HTC EVO 3D] SkyyPunk:
I haven't quite seen a focus issue...but I have seen my right camera seemingly shift its view...

For example: http://www.youtube.com/watch?v=c4lv_P7Ylx0 - pay attention starting at 20s. at about 24s the right image will shift to the left (very noticeable on the phone when watching 3d that it looks wrong)

Screenshot where you can see the significant difference between the two sides:

Note that it is not nearly as separated seconds before that snap, then all of a sudden it jerks and is off more
[HTC EVO 3D] mmace:
lol, can you link me to the mpo or jps?
[HTC EVO 3D] billyapd21:
How is everyone able to upload these where you see the pics side by side?
[HTC EVO 3D] mmace:
the right camera is pointing slightly higher too (so the image looks lower), they should both be level, seems something's very wrong here!
[HTC EVO 3D] mmace:
rename .jps to .jpg (though JPS has right eye on the left and left eye on the right)

or if you have an MPO file, open it in Stereophoto Maker (freeware) and save as stereo image and choose jpeg

you can also open JPS files in this software, press "x" and it swaps the left & the right and then save as jpeg
[HTC EVO 3D] mmace:
just viewed it, that's bad, looks like your right camera is loose and moving around!
[HTC EVO 3D] mmace:
have a look at this one: http://www.youtube.com/watch?v=kICxot_r9-s

you can see when something like a wall or door is straight in one side, it's at a slight angle in the other, like the right camera is twisted slightly

:confused:
[HTC EVO 3D] mmace:
another one with different colour on the right and the right camera moves after around 3-5 seconds!

http://www.youtube.com/watch?v=tQ2G8q5MRIE
[HTC EVO 3D] AyoJake:
i think mine is pretty bad.
[HTC EVO 3D] AyoJake:
nvm maybe im just to close to the 3vo could that be the problem with it?
[HTC EVO 3D] blaz4me:
this thread is lol.
[HTC EVO 3D] blaz4me:
give it another day, then you will feel retarded about this discussion.
[HTC EVO 3D] mmace:
why?

the right camera goes in and out of focus (it shouldn't)

the right camera discolours photos and videos (it shouldn't)

the right camera moves while filming (it certainly shouldn't!)
[HTC EVO 3D] mmace:
another one, waych right camera move at 53 seconds

http://www.youtube.com/watch?feature=player_detailpage&v=TL1f8zvl6LY#t=52s

why is no one else seeing there's a massive problem with these phones?
[HTC EVO 3D] carnivalrejectq:
Is the "right" camera the one thats taking the 2d pictures? Because my 3d pictures all ways show up with great detail and look very good , comparible to my samsung epic ALMOST lol , but 2d? Not even close and if anybody moves , forget its over and i will have a motion trail.
[HTC EVO 3D] dtbrewer:
When I do this it looks like the left camera is also doing all (or most) of the exposure control. Exposure works slightly better if you use a black object to cover the lens instead of a white card like I did at first.

Cover right lens: Focus and exposure look good

Cover left lens: Exposure is so over exposed I can't even tell if the focus is right.
[HTC EVO 3D] mmace:
yet another really bad and obvious right camera move at 9 seconds that lasts 5 seconds, again at 1.15 and 1.50 as well as the camera moving (wobbling) all the way through it compared to the left which stays still!

http://www.youtube.com/watch?v=MExk2CcsLJU
[HTC EVO 3D] felacio:
Jesus christ people. This thread was almost painful to read.. Mmace isn't trying to make **** up or cry wolf.

One camera doesn't do 2d while the other does 3d. And the right isn't suppose to be out of focus at all, that isn't apart of ANY technology ANYWHERE. How hard is it to understand that both cameras take the same picture at the same time....AT THE SAME FOCUS. Just at slightly different angles. The slight angle is what causes the 3d effect when Tue side by side image is layered on top of each other with the parallax barrier. Its tricking your eyes/brain to focus in on the slight differences to see the effect.

Look at a 3d picture on your phone. Now close your right eye. Boom, not 3d anymore and you are seeing only one of the images. Now open your right eye and close the left. Guess what you now only see the other image from the other camera.

If you do this and one of those pictures is blurry, off color, higher or lower than the other picture, than something is wrong..
[HTC EVO 3D] miranda916:
Ugh... I have these same issues
[HTC EVO 3D] inoskedu8o8:
Um.... maybe because there's not a massive problem with this phone. You're seriously over exaggerating the problem. It goes out of focus or moves once in a while. Who in the world got the 3vo to watch videos side by side anyway lmfao. If you watch the videos like they're intended to watch, which is in 3d, you really don't see a problem. Enough with this side by side bs. Absolutely ridiculous.
[HTC EVO 3D] Vindic8ed:
If you are trying to look at a 3D picture while one of them isn't clear, it won't display correctly. Not only is it noticable but it causes quite a bit of strain on your eyes while they try to focus on something that is out of focus. The E3D saves the pictures/movies in a certain format, so if you don't have a 3D device to play them with they will appear side by side, like they are here in the OP.

I took a couple of pictures yesterday and one of them was just screwy in 3D, I just couldn't focus on it and get the 3D to display for me correctly. I decided to close my right eye and then my left to see what was going on and sure enough, the picture taken from the right camera was blury. I thought I must have moved the phone weird when I took the picture (which still could be the case, since it's only been this one photo so far) but then I saw this thread and found it to be interesting.

Like every other little thing that has come up wrong and the little bugs that have been encountered, I wouldn't be surprised if there was one with the camera app causing one of them to focus differently.
[HTC EVO 3D] inoskedu8o8:
I have yet to experience this blury right camera. Maybe I've just been getting lucky.
[HTC EVO 3D] inoskedu8o8:
Okay I just checked all of my 3d photos. Left and right seems to focused. Maybe it's just the technique of taking the photos. I usually take my time when I take photos so maybe that helped a lot with the focusing.
[HTC EVO 3D] Vindic8ed:
Same here. I just had that one instance, so I assumed I just rushed it or slightly moved my hand a little. It does seem a little odd that only one camera would be blury though, since the whole device would have moved. But, after seeing this thread it is possible that there could be a focusing issue. I'll experiment more with it to see if it happens again (hopefully not ;)).
[HTC EVO 3D] hdad2:
Has anyone sent an email to HTC or contacted them about this?
[HTC EVO 3D] mmace:
I do watch them in 3D, side by side, if the camera moves then you have to shift your focus, it's a fault and shouldn't happen. I say to view in side by side so you can see the fault.

The camera's should be the same focus, exposure etc, seems some of you are not willing to accept this as a fault

yes, last week and again this morning, no response
[HTC EVO 3D] Androidious:
Well since one is for the left eye and the other camera is for the right, and one of them is out of focus this would lead me to believe that you need to take your 3VO to your nearest optomitrist, get a good prescription for some lenses and you'll be on your way.

:-P (I'm in a goofy mood okay?)

Sent from my badass HTC EVO 3D... Get in our dimension!
[HTC EVO 3D] ffolkes:
Don't worry mmace, you're not alone. I've seen this problem manifest itself, for me it's usually a very quick blip while the right camera goes wonky, but noticeable none the less. I haven't used 3D enough, but no doubt I would eventually get the huge discrepancies your videos demonstrate. I don't know what HTC is doing to record 3D, but I get the feeling both cameras are operating independently (focus, wb, etc), and I think there is some sort of active on-board processing going on where the two images are being merged. I know common sense dictates two cameras = two video streams = humans have two eyes, but I don't think it's that simple. The 2nd camera absolutely is not physically moving, so when the right camera suddenly shifts 20% then corrects itself, it must be the result of some sort of software merging gone awry. Kind of like how P&S cameras have internal panorama modes that attempt to crudely align multiple images to make an in-camera panorama.

I've also tried to enlighten the xda crowd over the shortcomings of the camera compared to the original EVO (http://dl.dropbox.com/u/21884233/evocompare.jpg) yet most people become very upset at the notion their new device isn't perfect, and took it out on the messenger, just like they have to you in this thread. It's sort of interesting to witness though, as the confrontational attitudes from many people are a direct glimpse into things such as cognitive dissonance and post-purchase rationalization. Honestly, it's a bit shocking to see how these mental states can take such a firm and decisive grip, often times entirely overriding the thought processes that would normally allow one to perform rational reasoning. And I guess it goes without saying, it's particularly ironic to see such behavior within a group of people who are often brutally judgmental of similar qualities in Apple's flock of sheeple.

When I pay a multibillion dollar company to produce a product with a certain set of features, I expect them to work as advertised. Period. A small bug or two is fine, I can understand that. But when flagship features are unable to meet their own expectations even under optimal conditions, that's just cheap, shoddy, lazy development (or, hopefully, merely code). Reminds me of when HTC dropped the framerate of the entire original Evo down to NTSC, merely because they were too lazy to properly code a separate interface for HDMI.

A few years ago, extra things like cameras on cell phones were just icing on the cake, supplemental features that were "cool", but didn't make or break a product because there was really no competition. But nowadays that's very different. Things like camera quality (or new features like 3D ability) are vital to differentiating and promoting a device in the sea of smartphones we're swimming in. With more and more people ditching dedicated devices (P&S cameras, video cameras, MP3 players, etc) and turning to smartphones, these features are now pillars of everyday life and they deserve more than the caviler attention manufacturers have been willing to give them in the past.
[HTC EVO 3D] Vindic8ed:
Here's something you may find interesting the mod novox77 on Android forums has done. He got his OG EVO and the E3D to compare pictures. For the most part the cameras on the E3D have been better (partly due to the poor focusing on the OG).

http://androidforums.com/htc-evo-3d/362863-picture-quality-analysis-2d.html
[HTC EVO 3D] ffolkes:
Interesting, thanks for the link, I look forward to reading it. I took many pictures with my E3D and E4G, and the E4G was consistently better in nearly every shot. I eventually just gave up testing them. However the E3D has massively better focusing. This gives it an edge against the E4G, since in most head-to-head comparisons, it's the E4G's screwy focusing that ruins the shot. Then again the lens and the camera is one package, so I guess it's fair that they be compared the same. I'm used to the world of SLR's, where everything is separate; a body is reviewed as a body, and a lens as a lens.
[HTC EVO 3D] Vindic8ed:
Lighting seems to be a huge factor when it comes to pictures with the E3D as well. With really bright light some have reported a green tint. There are still quite a few kinks that need to be worked out with the E3D, but it has lots of potential (though I agree with your statement that paying a large corperation for a product that doesn't do what it's supposed to can get a bit irritating).
[HTC EVO 3D] mikeyxda:
I design digital photography software that supports both 2D and 3D photos and maybe I can help a little here. First, these all do look like issues that need to be fixed/improved. Here's what I after reading this thread to this point.

(1) Focus. I think some of the focus problems may be smudges but I too have noticed a focus hunting problem in 3D videos even before the camera was released. See my post from June 21 where I was contemplating holding off a while on the 3vo: http://xdaforums.com/showpost.php?p=14930229&postcount=3403 . I hope my decision to pull the trigger early doesn't haunt me. Due to the way 3D works, both cameras should be communicating with each other to produce a common focus so if one camera is out of focus, you'd think there must be some dislink. Man I hope it isn't a hardware issue. :confused:

(2) Color. Again the two cameras should be talking to a common piece of software. You'd think they would design it such that both cameras use the same white balance and exposure. The color issue looks to be a difference in white balance between the two cameras. I've also taken some test shots and they all show a slightly brighter exposure in one camera compared to the other. That shouldn't happen either. Fortunately even if the two cameras are out of sync hardware-wise, it should be possible to get them in sync using a simple calibration process (via software). The way things look now, it looks almost as if the two cameras do their own independent white balance so slightly different lighting in one camera can cause color to diverge from the other. That shouldn't be happening if the software is working properly.

(3) Moving. The way the right camera moves suggests that there may be some sort of servo in there that is adjusting something. It doesn't look loose but it's hard to tell. I guess it is possible that HTC designed some sort of parallax control into the camera. For example, if you hold a pencil at arms length and focus on it as you move it toward your face, when you get about 9 inches from your face, an observer will tell you that your eyes are crossed. That's because both eyes are converging to focus on the close up object. The camera may have the same capability for taking pictures of things up close. If so, there may be a servo that adjusts the parallax by moving the right camera (you'd only have to move one of them). And... maybe that software is too sensitive and the movement we see in these videos is the camera (software) hunting for a new parallax distance.

I may do some testing today myself to see if I can get a better handle on this stuff.

Mike
[HTC EVO 3D] ffolkes:
I agree, I hope when CM7 (or CM8) is on the E3D, we'll see some improvements.

My sentiments in that huge reply were directed at the 3D hiccups that are ruining the big feature they're touting for this phone. When I got the E3D, I went into it knowing the 2D camera would be worse than the E4G in some respects, so I can't rightfully complain about that. It's the flaky implementation of 3D that has me annoyed.
[HTC EVO 3D] Vindic8ed:
Cool, it'll be interesting to see what you come up with.
[HTC EVO 3D] Jye75:
They do indeed operate independently. I just checked this out. (of course, it makes sense, as your eyes also operate independently as well, not to mention there are two cameras at two different locations relative to the scene being shot.) If you turn your camera on 3D and cover both lenses with one finger each, then uncover one, you will hear it autofocus and change wb. Then cover it back up, and uncover the other camera, it too will autofocus and change wb.
[HTC EVO 3D] DCLocal:
I noticed the right picture (when viewing side-by-side) was out of focus too but honestly thought it was part of the technology used by HTC for the 3D effect as mentioned above. I really didn't give it much thought since the final 3D picture looks great and that is all that matters to me- the end result. As far as why some right pictures are out of focus and some aren't maybe due to distance from the subject or depth of subject to background?

I'm just speculating and really have no idea but it will be interesting to see if HTC responds or helps to clear this up. It is difficult for me to believe this is not intentional and if not, that HTC won't address with an update.
[HTC EVO 3D] dca1970:
On mine, and my wifes, 3d is pretty good, however 2d is really, really, bad.
[HTC EVO 3D] mikeyxda:
Looks like the right camera does have a servo that adjusts parallax:

http://www.youtube.com/watch?v=_2thECv-mvM

I believe the right camera movement is simply the parallax control readjusting/hunting. Our cameras are not loose. One down. I'll work on the rest.

IF the system is designed to auto adjust parallax based on image content (looking at both images and determining the needed parallax), the hunting could be caused due to the fact that some images/movement in the video may make the system think that it needs a new value. It's probably just adapting to image content when IMO it should probably be doing the calculation based on where the camera focused. Maybe they can fix/improve this. But I think it's safe to say that there are no worries that the right camera is loose or about to fall out: it's just the system picking a new parallax distance.

Mike
[HTC EVO 3D] mikeyxda:
OK, WRT the other issues (color, focus, and exposure variation), I have not been able to replicate the focus issue but I believe all of these may be related. It looks like both cameras operate independently WRT white balance and exposure... not sure about focus.

My suggestion to HTC: consolidate the cameras in the software. That is, let them talk to each other through the software. In reality, your eyes can't focus on two different planes at the same time so what they should probably do is look at both cameras and set the focus the same on both. That likely entails setting the focus on both camera to whichever camera picked the closest focus point and use that for both.

For WB and exposure, it is true that your eyes can work independently to some degree for both of those. Cover one eye (like a pirate) and walk from sunny into a dark room and yes, the covered eye will see better in the dark room whereas the open eye would take a while to adjust. I do not believe, however, that the cameras should be working this way. Even if you had a light source with one color temperature on the left and a completely different color temp on the right, the object that your eyes are viewing will almost always be lit by a combination of the two. So the fix is to take an average for both WB and exposure and use that one common setting for both.

So my suggested fixes:

(1) If possible, look at the focus of both cameras and pick the camera that chose the closest focus. Set both cameras to that same focus point so that both cameras end up focused on the same plane. Of course, this is assuming that when the cameras are focused, there is feedback to tell the system the focus distance used by the camera. If not, this may not be possible but still may be able to be improved.

(2) To eliminate parallax hunting that is causing the right camera movement, look at the focus point calculation in (1) above and use that to determine parallax. That way parallax will only change when focus changes and at least it'll be obvious which subject was getting focus and that's the one that will have proper parallax distance.

(3) Read WB and exposure from both cameras and pick an average. Use this "middle value" for both cameras so that both produce the same color and exposure.

Mike
[HD2 General] c5vette211:
I replaced my digitizer recently and when I put the phone back together and turned it on, the LCD looked different any thoughts or suggestions. I looked through some other threads but nothing described look like the problem I am having.
[HD2 General] Topone:
I guess the digitizer isn't original and polarizes the light in a different way, giving the strange optical effect.

Another issue maybe the digitizer is stuck tightly against LCD, try to put between the two a strip of thick adhesive tape around the edges, avoiding tight contact.

Or worst, maybe you damaged the LCD while disassembling, to verify this lift the digitizer and see if it looks the same or not without digitizer.
[HD2 General] fred_up:
It looks as though it is a similar problem to * HERE *
[HD2 General] btyre:
I you go into your Web-browser and press the menu button, then view page info.

Look at the background (the webpage). What are the colours like?
[Nexus S Q&A, Help & Troubleshooting] OuncE718:
Does anyone notice when you have the Nexus S 3g (T-Mobile) or possibly the 4g version in portrait mode the signal strength is weak (go all the way down to Edge), but when you go to landscape the phone's signal strength becomes extremely strong? It definitely isn't because of how I'm holding the phone, because I tried numerous of times to hold the phone lightly so I don't mess with the antennas reception and I've come to the conclusion that, that's not the issue. FEEL FREE TO EXPERIMENT!
[Nexus S Q&A, Help & Troubleshooting] obsanity:
Just don't hold it that way.

I'm sorry I couldn't resist qoting Steve Jobs. My nexus doesn't show any difference.
[General Questions and Answers] lee714:
Basically I want a phone that can video chat, text, web browse, play games, music, youtube, facebook, and other social networks all with no lag. But the important thing is I want a phone that can last me a whole day and won't break easily if I drop it. Which one should i get out of those 4?
[General Questions and Answers] lee714:
I'm getting a new phone next weekend, and i have a week to decide, I'm either going with a htc sensation or lg g2x. Any good reasons to pick one or the other?
[General Questions and Answers] lee714:
Are there any major problems for the sensation or lg g2x, before i buy one of them?
[General Questions and Answers] I Am Marino:
Patience. I've heard some G2Xs have had bugs with them but the replacements have been perfect.

If it was me, I'd take the G2X just because it's more my style.
[General Questions and Answers] Aphrodolite:
I think you should be choice GS2, model is small and very thinkness
[General Questions and Answers] lee714:
and what is your style? and I also heard the g2x reboots randomly, which will be annoying, whats the point of that phone than? I rather have the slower speeds on the htc sensation as well, unless theres a fix for the random reboots on the g2x
[General Questions and Answers] etp:
I agree, GS2 also have Gorila glass, unscratchable.

Send from my Captivate using XDA App
[XPERIA X1 Q&A, Help & Troubleshooting] josip-k:
Is there any way to fix it manually? I could reassemble it... but i dont know what to do... phone is ok when its normal... please help guys, id really want my phone fixed... thanks
[Epic 4G General] duce102:
Awesome video from xda TV....

This video was brought to my attention by shane6374 in another thread

http://www.youtube.com/watch?v=JmvCpR45LKA
[Epic 4G General] ghostrid3r:
LOL, still gonna fall on deaf ears. :p