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Author Topic: Patent: Canon RAW Video  (Read 6599 times)

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Patent: Canon RAW Video
« on: January 27, 2012, 07:41:58 AM »

Canon has filed a patent for RAW video

“The recording of successive frames of raw sensor data depicting a moving scene is provided. The raw sensor data comprises pixel data for an image sensor having pixels arranged in correspondence to a mosaic of plural different colors in a color filter array.”


EOSHD broke it down for people that like english.



  • Designed for compatibility with CF cards

  • Supports 4K and 2K video (4K is 4096×2048)

  • Works with Bayer CMOS sensor (like the one in a DSLR)

  • Sensor output is 12bit


Although current C300 camera has a 4K sensor, it cannot output a 4K image because most of the pixels are used to reconstruct colour without interpolation (made up pixels in-between).


Source: [P5D] via @Loricnet


cr


« Last Edit: January 27, 2012, 09:52:28 AM by Canon Rumors »
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Patent: Canon RAW Video
« on: January 27, 2012, 07:41:58 AM »

JR

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Re: Patent: Canon RAW Video
« Reply #1 on: January 27, 2012, 08:21:30 AM »
Since Patent are filled at least 18 months before becoming public (believe Neuro and a few others mentionned that...) then this mean these features are likely just around the corner and it would seem Canon has been thinking about cinema DSLR for quite some time now....interesting...
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lonelywhitelights

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Re: Patent: Canon RAW Video
« Reply #2 on: January 27, 2012, 08:41:44 AM »
Surely it would have made sense to hold off on the C300 so they could build in this new RAW video capabilities so you can output 4k video. oh well, C300 II will be around the corner I guess, Canon are turning into Apple!
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Re: Patent: Canon RAW Video
« Reply #3 on: January 27, 2012, 08:46:28 AM »
Considering the 3-4 years since the last 1Ds and 5D, I don't think we're in danger of that. More so when you take into account that this is just a patent. It might not be implemented in any camera for what we know.

Doodah

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Re: Patent: Canon RAW Video
« Reply #4 on: January 27, 2012, 08:59:34 AM »
This is DARN cool 'cos I've heard MANY gripes about the lack of video RAW from Canon. Well done!

outsider

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Re: Patent: Canon RAW Video
« Reply #5 on: January 27, 2012, 09:34:50 AM »
Surely it would have made sense to hold off on the C300 so they could build in this new RAW video capabilities so you can output 4k video. oh well, C300 II will be around the corner I guess, Canon are turning into Apple!
That's right.
If the C300 could do this, then they could not charge you for an upgrade on the C300 II.
:)
It's a business after all.

heron88

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Re: Patent: Canon RAW Video
« Reply #6 on: January 27, 2012, 10:05:29 AM »
Most exciting news yet. Curious to see how the next few months play out

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Re: Patent: Canon RAW Video
« Reply #6 on: January 27, 2012, 10:05:29 AM »

EYEONE

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Re: Patent: Canon RAW Video
« Reply #7 on: January 27, 2012, 10:35:32 AM »
Could the C300 not be hacked to provide 4k output?
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Re: Patent: Canon RAW Video
« Reply #8 on: January 27, 2012, 10:57:28 AM »
Surely it would have made sense to hold off on the C300 so they could build in this new RAW video capabilities so you can output 4k video. oh well, C300 II will be around the corner I guess, Canon are turning into Apple!

No, the design of the C300 is quite deliberate - it is aimed at providing the best IQ possible for 2K video.

This is why there is no interpolation even to generate 2K video.

The design of the C300 means that problems such as moire just will not occur.

gene_can_sing

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Re: Patent: Canon RAW Video
« Reply #9 on: January 27, 2012, 11:16:27 AM »
I think it's really cool that they're doing RAW and trying to keep it on CF cards to keep the work flow good and things Mobile and light. The REDs are large cameras that require a crew to operate. Even their "small" camera the Scarlet (just the body alone with no accessories ie. viewfinder, battery, media) weighs almost 4 times as much as a 5D. No run and gun there.

With that said, it took Canon 5 very long years to do a product refresh (digic 4 to digic 5), so we might be waiting till 2017 for the RAW video implementation.

But it's a nice thought and something to dream about.

NormanBates

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Re: Patent: Canon RAW Video
« Reply #10 on: January 27, 2012, 11:40:57 AM »
WRT recording on CF cards and comparison with RED, I'll add: current RED cameras record to propietary SSD drives; price right now: between $600 and $1000 for each 64GB
http://www.red.com/store/media

on CF, those same 64GB cost $390 if you go for the super high-end sandisk
http://www.amazon.com/gp/product/B002P3FQT0/ref=as_li_ss_tl?ie=UTF8&tag=similaar-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B002P3FQT0
or just $160 if you stick to some cheaper option like Transcend:
http://www.amazon.com/gp/product/B002WE0QN8/ref=as_li_ss_tl?ie=UTF8&tag=similaar-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B002WE0QN8

outsider

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Re: Patent: Canon RAW Video
« Reply #11 on: January 27, 2012, 11:44:50 AM »
Surely it would have made sense to hold off on the C300 so they could build in this new RAW video capabilities so you can output 4k video. oh well, C300 II will be around the corner I guess, Canon are turning into Apple!

No, the design of the C300 is quite deliberate - it is aimed at providing the best IQ possible for 2K video.

This is why there is no interpolation even to generate 2K video.

The design of the C300 means that problems such as moire just will not occur.
The sensor on the C300 is not a bayer type but more of a foveon style where the each pixel collects all three colors but at different depths. The 3 RGB pixels are stacked on top of each other, hence no interpolation (like the bayer does) to produce the final image.

I believe the sensor has 1920 x 1080 (or somewhere around there) spots, each of which capture RGB color info, which is why there's no way that sensor will physically do more then 2k.

neuroanatomist

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Re: Patent: Canon RAW Video
« Reply #12 on: January 27, 2012, 11:55:02 AM »
The sensor on the C300 is not a bayer type but more of a foveon style where the each pixel collects all three colors but at different depths. The 3 RGB pixels are stacked on top of each other, hence no interpolation (like the bayer does) to produce the final image.

I believe the sensor has 1920 x 1080 (or somewhere around there) spots, each of which capture RGB color info, which is why there's no way that sensor will physically do more then 2k.

Sorry, but that's just plain wrong.  Canon lists the sensor features as:

  • 8.3 MP sensor
  • Shallow Depth of Field
  • High Sensitivity/Low Noise
  • High signal-to-noise ratio
  • Reduced rolling shutter artifacts
  • Signal processing equivalent to that of 3-chip RGB systems
  • 8 MP Bayer array; no pixel interpolation needed
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Re: Patent: Canon RAW Video
« Reply #12 on: January 27, 2012, 11:55:02 AM »


kalmiya

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Re: Patent: Canon RAW Video
« Reply #14 on: January 27, 2012, 12:44:15 PM »
<sarcasm on>looks like another innovative patent.<sarcasm off>

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Re: Patent: Canon RAW Video
« Reply #14 on: January 27, 2012, 12:44:15 PM »