PowerShot SX220 HS - Porting Thread - page 6 - General Discussion and Assistance - CHDK Forum
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PowerShot SX220 HS - Porting Thread

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Offline Bernd R

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #50 on: 06 / May / 2011, 13:18:33 »
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Offline philmoz

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #51 on: 06 / May / 2011, 17:52:03 »
Quote from: funnel on 06 / May / 2011, 11:31:09
Yes. I found that the value 0x00030003 gives me a perfect picture. This means 3 rows 3 cols I guess. Photoshop doesn't want to open it but Raw Therapee and IrfanView open them without problem.

That is very strange indeed - I haven't heard about a new type of 3x3 bayer sensor pattern (not sure how it would even work).

Can you upload a sample DNG file and post a link - I'd like to take a closer look at one.

Thanks,
Phil.
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Offline funnel

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #52 on: 07 / May / 2011, 07:00:17 »
I really don't understand this. Now I tried to play with that number and didn't make any difference, even with the original value. So for now I leave it as it was. I did a gmake clean and recompile, probably this fixed something.

I uploaded a sample DNG here: http://www.zshare.net/download/89869014056297be/
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Offline Bernd R

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #53 on: 07 / May / 2011, 09:59:01 »
Quote from: funnel on 07 / May / 2011, 07:00:17
I really don't understand this. Now I tried to play with that number and didn't make any difference, even with the original value. So for now I leave it as it was. I did a gmake clean and recompile, probably this fixed something.

I uploaded a sample DNG here: http://www.zshare.net/download/89869014056297be/

I see no problem in the file, colors look ok.i test with picasa and silky pix free

maybe you should switch your camera to series mode and press and hold shoot button, so 6 images are record.If some of them are wrong mostly every 2. , then your buffer address code is wrong.

also verify if same number of raw and jpg is record and raw and jpg have same number.
best you use option that RAW are in same directory as jpg, so you can see this easy
« Last Edit: 07 / May / 2011, 10:01:11 by Bernd R »
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Offline onesky

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #54 on: 08 / May / 2011, 16:13:33 »
i can't open with adobe photoshop 5 while i can open with FastStone Viewer
http://img600.imageshack.us/img600/254/sx220dng.jpg

the dnw image is quite soft, while the noisy is still very low (iso 118?)


thanks for you work funnel, i am looking forward for this firmware :)
« Last Edit: 08 / May / 2011, 16:15:24 by onesky »
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Offline funnel

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #55 on: 08 / May / 2011, 17:24:35 »
Here's the latest binary if someone is interested in testing it.

http://www.zshare.net/download/8992611029196ee7/

DNG and Create badpixel.bin are working now.
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Offline onesky

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #56 on: 09 / May / 2011, 14:43:32 »
dng works!

and i can open with adobe photoshop



well don funnel!

there is anyway a problem, i got black corners at bottom of the picture and also a soft border




p.s.
i didn't understand what badpixels made (it took 2 pictures)
« Last Edit: 09 / May / 2011, 16:18:32 by onesky »
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Offline funnel

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #57 on: 09 / May / 2011, 16:56:15 »
Check the wiki for more info on this. It's an array of locations of badpixels that get corrected after the shoot. For my camera Create badpixel.bin reported 27000 bad pixels.

The black borders are visible only when no zoom is used. In Photoshop you can use the lens correction profile for Samsung WB2000 (distortion 200) to fix it or correct it manually.
« Last Edit: 09 / May / 2011, 17:11:18 by funnel »
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Offline funnel

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #58 on: 10 / May / 2011, 15:58:58 »
Fixed a bug today that caused a camera crash in continuous shooting in RAW mode. http://www.zshare.net/download/89997598e62c1670/

I also found new bug, sometimes the camera crashes when switching from REC to PLAY mode.
« Last Edit: 10 / May / 2011, 16:37:50 by funnel »
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Offline onesky

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Re: PowerShot SX220 & SX230 HS - Porting Thread
« Reply #59 on: 11 / May / 2011, 14:01:46 »
good!
i noticed also that the camera crash when i switched from P mode to Auto mode.
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