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brian2k1 Posts: 10

@aksd

The 2.1 over-exposes the picture in general, as some people have already mentioned and as evidenced by my own experience and by those comparisons made in this thread. I believe the reason why the 2.1 have superior low level performance is because of the increased exposure. But this comes at the cost of over-exposure of good lighting conditions like outdoor. You can especially see this if you look at the sky in the photos above or the building to the left of jleosza pictures. You'll notice a loss of detail in the bricks because of over-exposure.

Can someone post a 4.5 camera driver with 15fps video and 95% jpeg compression. I'd like to test this over the current 2.1 to see exactly how different the images are that they produce. I have a second suspicion that the jpeg compression is another reason why the 2.1 are generally superior.
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Posted: 2006-07-13 18:04:33
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brian2k1 Posts: 10

Take a look at the sky and tree tops in these two pics and you can clearly see how the 2.1's over expose the image.

4.5 fine auto

http://i12.photobucket.com/albums/a226/2uk3y/45FA.jpg

2.1 fine auto

http://i12.photobucket.com/albums/a226/2uk3y/21FA.jpg
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Posted: 2006-07-13 18:08:58
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111gopher Posts: 12

You are wrong! Because in these two pictures have 2.1 low overexposure than 4.5. In your two pictures we do not see the same scenes!!!
And 4.5 has larger overexposure than 2.1!!!
i think that with 95% compression the photos will not be better! People has test it before without visible efect.
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Posted: 2006-07-13 19:10:00
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brian2k1 Posts: 10

Here is a simple modified R1BC 4.5 camera driver I made.

Changes are:

94% JPEG Compression Fine Mode
85% JPEG Compression Normal Mode
15 FPS Video Recording

No changes made to MXE60

Pictures look better as a result of lower compression, they snap quickly like before and are not over-exposed. I'd like to know if anyone wants to make a comparisson between these and the 2.1 drivers.

http://rapidshare.de/files/25781696/camdriver0.dat.html
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Posted: 2006-07-14 01:59:53
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arnarn911 Posts: 141

is it just my phone or you guyz also get a series of white streaks in dark spots in the pic?
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Posted: 2006-07-14 02:09:08
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rockygali Posts: > 500

white streaks? not blue? can you give us a sample?

im using 2.1, i do experience these streaks tho not as rampant as the other drivers.

@bryan2K1

dude can you post some lowlight, outdoors at daytime and dusk shots of the driver you made. that is, if you have time amigo!

ciao
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Posted: 2006-07-14 03:46:56
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max_wedge Posts: > 500

I've discovered something rather drastic, and a bit embarrising to report. There is a wide variety of differences between camera performance from phone to phone.

By flashing identical firmware to both my phone and my sister's, I discovered that the white lines i get are far worse than hers. My camera has always been bad, and I just used iso to correct it, or night mode etc. but now I realise it's always been worse than my sister's (by lookin back old photos).

I even changed the camera module and cable from my sister's phone (it's a spare phone) to mine, AND MY CAM WAS STILL INFERIOR!! So the fault is on the mainboard, not in the camera module.

This means the lowlight R1BC to Hybrid camdriver comparisons I posted earlier in the thread are invalid. The reason the hybrid (in my sister's phone) performed better than R1BC was because my mainboard is up the duff. I'll do the test again if I get another mainboard.

I'm using the W810 back cover at the moment, and the lense is exposed so it's going to degrade slowly. I've decided to live with it since the phone feels and looks slick with w810 back, and hang out for funds to either refurb the K750 (mainboard, camera and cable), or buy the K800.

The dodgy mainboard gives me the excuse to enjoy the w810 back cover for a while without feeling guilty about the lense being exposed. There's good in every circumstance..

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Posted: 2006-07-14 04:45:50
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brian2k1 Posts: 10

Max I always had that suspicion, some people post pics with incredible quality I never truly understood what combination of things produced such great shots, but I always had a feeling it could have been the hardware.
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Posted: 2006-07-14 05:34:54
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2uk3y Posts: 214

Quote:
On 2006-07-14 01:59:53, brian2k1 wrote:
Here is a simple modified R1BC 4.5 camera driver I made.

Changes are:

94% JPEG Compression Fine Mode
85% JPEG Compression Normal Mode
15 FPS Video Recording

No changes made to MXE60

Pictures look better as a result of lower compression, they snap quickly like before and are not over-exposed. I'd like to know if anyone wants to make a comparisson between these and the 2.1 drivers.

http://rapidshare.de/files/25781696/camdriver0.dat.html

ok i tested between my R1AA 4.5 driver, ur modified R1BC 4.5 driver and 2.1 Hybrid driver.....
i take 2 different picture, one low light n one more light.....

so let see what happen, all in FINE & AUTO setting.....

[u]Picture 1 (outdoor)[/u]
R1AA 4.5 (default) --> http://i12.photobucket.com/albums/a226/2uk3y/45defaultFA_1.jpg
brian2k1 R1BC 4.5 --> http://i12.photobucket.com/albums/a226/2uk3y/45brian2k1FA_1.jpg
2.1 Hybrid --> http://i12.photobucket.com/albums/a226/2uk3y/21HybridFA_1.jpg

[u]Picture 2 (indoor, low light)[/u]
R1AA 4.5 (default) --> http://i12.photobucket.com/albums/a226/2uk3y/45defaultFA_2.jpg
brian2k1 R1BC 4.5 --> http://i12.photobucket.com/albums/a226/2uk3y/45brian2k1FA_2.jpg
2.1 Hybrid --> http://i12.photobucket.com/albums/a226/2uk3y/21HybridFA_2.jpg
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Posted: 2006-07-14 05:58:55
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brian2k1 Posts: 10

weird results, as expected the 2.1 performed better in low light because of increased exposure, but your notice the sky in the out door photo (2.1) is washed out and the colours brighter. The odd thing is that my modified driver based on the 4.5 R1BC was much darker in both instances vs the 4.5 R1AA. Clearly the R1AA looked better then R1BC but theorhetically they should be the same 4.5 ? All I changed was compression and Video recording so there must be something to the different firmware drivers then what we are lead to believe based on the version number.
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Posted: 2006-07-14 06:22:01
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