HD video for Canon G10 ? - General Discussion and Assistance - CHDK Forum
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HD video for Canon G10 ?

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Offline juw

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HD video for Canon G10 ?
« on: 24 / July / 2009, 09:25:12 »
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Hello!

I've been searching this forum, but haven't found an answer yet, therefor I open this topic (please delete if I missed something):

I own a Canon G10 which has the new DIGIC IV processor, but very limited video features as it can record at a resolution of 640*480 (VGA) only. I read in several threads "upgrading" the video resolution often isn't possible due to hardware (encoding) limitations, but in this case the camera seems to have the same DIGIC as for example the SX1 IS, which is able to record Full HD.

Thus - is there a chance for Full HD for the G10, and - if technically possible - is it realistic to expect it in the near future?


Thanks!
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Offline Microfunguy

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Re: HD video for Canon G10 ?
« Reply #1 on: 24 / July / 2009, 09:29:01 »
Quote from: juw on 24 / July / 2009, 09:22:03
is it realistic to expect it in the near future?

Unfortunately, the chances are zero  ;)

(The G10 has not even been ported to the basic CHDK yet)
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Offline juw

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Re: HD video for Canon G10 ?
« Reply #2 on: 24 / July / 2009, 09:33:45 »
Re,

Quote from: Microfunguy on 24 / July / 2009, 09:29:01
Unfortunately, the chances are zero  ;)

(The G10 has not even been ported to the basic CHDK yet)

Well, there seem to be some activity in porting CHDH currently, as far as I read in their porting thread. Assuming the port had been done, is there a chance then, or is it technically impossible?
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Offline Microfunguy

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Re: HD video for Canon G10 ?
« Reply #3 on: 24 / July / 2009, 09:40:49 »
Quote from: juw on 24 / July / 2009, 09:33:45
s it technically impossible?

I would say so.

Let us see if anyone disagrees.
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Offline juw

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Re: HD video for Canon G10 ?
« Reply #4 on: 24 / July / 2009, 10:09:49 »
Quote from: Microfunguy on 24 / July / 2009, 09:40:49
I would say so.

Let us see if anyone disagrees.


Please disagree anyone!?!
;-)
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Offline vit40

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Re: HD video for Canon G10 ?
« Reply #5 on: 24 / July / 2009, 14:02:40 »
In any case, it's not possible to get full HD from CCD at the moment. From available data, Sony sensor 12 Mpix 1/2.33" can produce 720p at 30 fps with 4/6 readout. I also have info about 13.7 Mpix 1/1.7", which produces 800 horizontal lines in 30 fps mode - but you can't use all of them, because sensor is 4:3, and HD videos are 16:9, so you have to truncate top and bottom. But sensor in G10 is 14.7 Mpix, obviously different one, and there is no info about this one from Sony (maybe different manufacturer ? ). Other CCD sensors mostly have around 480 lines in video mode (some models up to 550), which is enough only for VGA
« Last Edit: 24 / July / 2009, 14:04:27 by vit40 »
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