Wednesday, February 17, 2021

ISSCC 2021: Nikon 17.84MP 1,000fps Sensor

Nikon presents is a stacked CMOS sensor with a total pixel count of approximately 17.84MP capable to operate at 1,000 fps speed at full resolution. The sensor supports HDR mode of 110 dB, and 4K x 4K video.

The 1-inch stacked sensor has 2.7um pixels. One of the available HDR modes supports 134dB DR at 60fps rate.

The pixel layer is split in 16 x 16 pixel blocks, or 264 x 264 blocks (4224 x 4224 pixels). It is possible to finely control the exposure of each of these blocks separately from the bottom logic chip.

8 comments:

  1. Why does the HDR image look so washed out and out of focus?

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    Replies
    1. I think this HDR image is close to raw capture, so without a specific tone mapping it fits poorly into the display range.

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  2. what's the supported resolution at 1000fps?

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    1. Full 17.8MP resolution. I'll update the post to say this explicitly.

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  3. Is this a RS or a GS pixel?

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    1. It's a 2.7um pixel. Stacked, but still, I suspect if they crammed a GS into that specification it would be highlighted boldly. My guess is RS, and still most remarkable.

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  4. What is the bigger problem in such fast sensors, the adcs or the interface? Which of the 2 would be easier to scale up even faster?

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  5. I looks washed out because blacks are raised to show the DR performance and without proper contrast curve the image is not sufficiently defined to adequately judge sharpness.

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