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A continuous 4K 400fps+ image capture pipeline #Video

Shane Colton posts about the challenges of capturing high resolution images very quickly:

In the original Freight Train of Pixels post, I laid out three main technical challenges to building a continuous recording 3.8Gpx/s imager. All three have now been dealt with, using a Zynq Ultrascale+ SoC as a hardware base. The detailed implementations for each one has its own post:

[The Source] – Full-speed read-in of the CMV12000’s 64 LVDS channels.
[The Pipe] – Hardware wavelet compression engine.
[The Sink] – Sustained 1GB/s writing to an NVMe SSD.

Now it’s time to put all three pieces together and run it as a full pipeline.
The first thing to point out is that this is 12000 frames of continuously-recorded 4K 400fps video. That’s 30s in real-time and 500s of playback at 24fps, something very few existing high-speed imaging systems can do. And I can keep going. This clip is “only” 24GB of a 1TB SSD. To fill the entire 1TB would take about 20 minutes at this bit rate. That’s 20 minutes of real-time, 5.5 hours of playback at 24fps.

See the videos here and here and the full blog post with details here.

 


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