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    Home»Canon Patents»Patent: Canon to have three image stabilization systems working together
    svg+xml;base64,PHN2ZyB2aWV3Qm94PScwIDAgNzI4IDQ2MicgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJz48L3N2Zz4= - Patent: Canon to have three image stabilization systems working together

    Patent: Canon to have three image stabilization systems working together

    By Canon RumorsJune 27, 2019Updated:June 27, 201922 Comments1 Min Read Canon Patents
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    Canon continues to work on sensor-based image stabilization, which is a feature we expect to see in the next major EOS R camera body release. Canon has been working on getting the in-body stabilization to work with its in-lens stabilization technology.

    This USPTO patent takes things one step further, as Canon appears to be working to get three stabilization systems working together.

    These three systems would be:

    1. In-body or image sensor stabilization
    2. In-lens image stabilization
    3. Electronic image stabilization

    Canon News breaks down what this patent likely means:

    So what's the goal of all this? The gist is they want to improve image stabilization when the various parts of the camera system are working together to stabilize video recording. What Canon is stating (I believe) is that as the shutter speed increases, the amount of shake that the optical / image sensor handles increases, and the frequency of shake that the electronic image stabilization corrects decreases.  This leads to better image stabilization when using slow shutter speeds to shoot video.

    Go to discussion...

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    22 comments

    1. canonnews
      June 27, 2019 at 12:47 pm
      I totally re-wrote what you quoted, because it didn't make sense to me even re-reading it.

      There are two types of shake. Low frequency is when you are hand holding and there's a slight movement in a general direction, more like drifting. High frequency is when things are jittery and there are lots of small, but frequent movements. Like when I drink too much coffee.

      Optical and Image sensor stabilization works great with high-frequency shake, electronic stabilization works best with low-frequency shake. The camera monitors the shake and determines which system should correct the shake being detected.

      According to Canon, what can happen in low light situations and slow shutter speeds is something they call accumulated shake. Accumulated shake is what happens when the image sensor is actively capturing an image, motion blur during this time cannot be corrected by electronic image stabilization because the motion blur has already happened during the image sensor accumulation because the shutter speed is slow. Thus the term "accumulated shake".

      Accumulated shake is most likely low frequency because that shake is handled by electronic image stabilization. Thus the problem. For slow shutter speeds, you can't rely on Electronic image stabilization to correct for low-frequency shake as much as you can with a fast shutter speed.

      What Canon is stating (I believe) in this patent application is that they are changing it so that optical and sensor image stabilization is used for more low-frequency shake as the exposure time increases, and that how the vary image stabilization pieces interreact is determined by the shutter speed.


      Whew.
      • Reply
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    2. raptor3x
      June 27, 2019 at 1:29 pm
      Olympus has this as an option when shooting video and it works very well in terms of stabilization the image, but you tend to get some weird warping in the corners.
      • Reply
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    3. Architect1776
      June 27, 2019 at 2:25 pm
      Continue reading...

      If there is a patent it indicates this has been in the lab and in the works for some time now.
      • Reply
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    4. ethanz
      June 27, 2019 at 2:52 pm
      Olympus has this as an option when shooting video and it works very well in terms of stabilization the image, but you tend to get some weird warping in the corners.

      Is that only from the Electronic stabilization? I really don't like the warp look that electronic stabilization gives. I think IB or Lens stabilization is better.
      • Reply
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    5. raptor3x
      June 27, 2019 at 2:59 pm
      Is that only from the Electronic stabilization? I really don't like the warp look that electronic stabilization gives. I think IB or Lens stabilization is better.

      It's mostly from the electronic stabilization although it's also there to some degree even with the IBIS alone but the magnitude is much less and not really an issue like with electronic stabilization. I suspect that to some degree it's simply a price you pay for roll correction.
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    6. Maximilian
      June 27, 2019 at 3:14 pm
      Will be interesting to see how well this works in RL.
      • Reply
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    7. tmc784
      June 27, 2019 at 3:31 pm
      Good to hear that.
      • Reply
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    8. Canon1966
      June 27, 2019 at 4:30 pm
      I love Canon and I don't mean to sound sarcastic with Canon but...FINALLY. Now, when?
      • Reply
      • 0
    9. flip314
      June 27, 2019 at 4:58 pm
      I love Canon and I don't mean to sound sarcastic with Canon but...FINALLY. Now, when?

      I expect the rumored RF 1DX would have to have this, I wonder if the more "5D" camera will have it as well... Either way I'm betting we will see it by next year.
      • Reply
      • 0
    10. justawriter
      June 27, 2019 at 5:44 pm
      So you can say, "Well yes, the entire city was destroyed by the magnitude 9 earthquake, but look how sharp my photos are!!!!!"
      • Reply
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    11. unfocused
      June 27, 2019 at 6:07 pm
      I expect the rumored RF 1DX would have to have this...

      Possibly, but I'm not counting on it. If the rumored R 1Dx is truly a mirrorless variation on the 1 series theme it will be a stills oriented bombproof body. Canon doesn't generally put untested technology in the 1 series. In this case, I think it will make it into the 1 series mirrorless only if Canon is absolutely certain the body can be beaten and battered without damage to the stabilization system.
      • Reply
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    12. koenkooi
      June 28, 2019 at 8:15 am
      Possibly, but I'm not counting on it. If the rumored R 1Dx is truly a mirrorless variation on the 1 series theme it will be a stills oriented bombproof body. Canon doesn't generally put untested technology in the 1 series. In this case, I think it will make it into the 1 series mirrorless only if Canon is absolutely certain the body can be beaten and battered without damage to the stabilization system.

      Suppose the rumour about the simultaneous launch of the RX and 1DX3 is true, do you think they'd throw it into the RX to make it look better on the spec sheet than its mirrored cousin?
      • Reply
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    13. BurningPlatform
      June 28, 2019 at 9:20 am
      Besides consumer cameras, this technology would be suitable for ENG style pro video cams. Maybe it will surface first in that segment (Canon's X[ACF] series).
      • Reply
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    14. YuengLinger
      June 28, 2019 at 1:50 pm
      IBIS before 2021?
      • Reply
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    15. jayphotoworks
      June 28, 2019 at 2:18 pm
      I totally re-wrote what you quoted, because it didn't make sense to me even re-reading it.

      There are two types of shake. Low frequency is when you are hand holding and there's a slight movement in a general direction, more like drifting. High frequency is when things are jittery and there are lots of small, but frequent movements. Like when I drink too much coffee.

      Optical and Image sensor stabilization works great with high-frequency shake, electronic stabilization works best with low-frequency shake. The camera monitors the shake and determines which system should correct the shake being detected.

      According to Canon, what can happen in low light situations and slow shutter speeds is something they call accumulated shake. Accumulated shake is what happens when the image sensor is actively capturing an image, motion blur during this time cannot be corrected by electronic image stabilization because the motion blur has already happened during the image sensor accumulation because the shutter speed is slow. Thus the term "accumulated shake".

      Accumulated shake is most likely low frequency because that shake is handled by electronic image stabilization. Thus the problem. For slow shutter speeds, you can't rely on Electronic image stabilization to correct for low-frequency shake as much as you can with a fast shutter speed.

      What Canon is stating (I believe) in this patent application is that they are changing it so that optical and sensor image stabilization is used for more low-frequency shake as the exposure time increases, and that how the vary image stabilization pieces interreact is determined by the shutter speed.


      Whew.

      This is a great explanation and now I have a proper term to describe this type of low frequency shake. "Accumulated shake" is way better than what I colloquially call the "spaghetti light effect."


      If you watch the split video, the phenomenon on the right is what CR is describing. It's terrible and can't be fixed in post. Most manufacturers that only have EIS solutions in the action camera/360 camera space have patched this in firmware by pushing the shutter speed and ISO in low light to somewhat mitigate the effect, but many of those cameras are intended to be used in auto/semi-auto. If Canon can utilize all 3 systems to achieve gimbal like stabilization in good light and rely on a combination of IBIS/IS+EIS in low light, it would be novel indeed.
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    16. Durf
      June 28, 2019 at 3:04 pm
      Probably will take only a 4.7 crop to make it work!
      • Reply
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    17. unfocused
      June 28, 2019 at 7:26 pm
      Suppose the rumour about the simultaneous launch of the RX and 1DX3 is true, do you think they'd throw it into the RX to make it look better on the spec sheet than its mirrored cousin?
      No. Canon is agnostic about mirrorless vs. DSLR. It's all $ to them.
      • Reply
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    18. Don Haines
      June 28, 2019 at 8:33 pm
      Three different systems, each has specific strengths.

      OIS, handles multi- pixel image shifts best in still photography, works well with video for big corrections.
      IBIS, handles “a few pixels” and sub-pixel shifts the best in still photography, works well in video for small corrections.
      Pixel shifting, terrible for stills, fantastic for very large corrections in video.

      Note that Canon is already using a combo of OIS and pixel shifting in the last few Cameras that they released.

      Note that Oly and Panasonic are using all three in their latest high end cameras.

      It is inevitable that Canon will follow suit. The debate is not about which system is better because the combo of the three outperforms each of the choices. The debate should be about why they took so long to get there......
      • Reply
      • 0
    19. unfocused
      June 28, 2019 at 9:10 pm
      Three different systems, each has specific strengths...

      ...The debate is not about which system is better because the combo of the three outperforms each of the choices. The debate should be about why they took so long to get there......

      Like virtually all market leaders, Canon is a conservative company. They don't like mistakes and don't risk their reputation on new technologies until they are confident it will work and that there is market demand. Conservative approach may not be what pleases forum participants, but who can argue with their success?
      • Reply
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