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New Raspberry Pi Global Shutter Camera for Machine Vision and More

42 pointsby mudgemeisterabout 2 years ago

3 comments

PreInternet01about 2 years ago
The IMX296 is a nice sensor, but using it from a RasPi (assuming you could buy one...) may be a bit more challenging than you expect. Even though the frame rate is not especially high, the 1440x1080@60fps mono stream you capture <i>does</i> eventually need to go somewhere.<p>RAM fills up quickly and SD storage is just too slow for this kind of usage. Broadcom hardware JPEG compression doesn&#x27;t seem to work too well either, so you&#x27;ll quickly end up with more image data than you can handle.<p>Then, for lots of applications, you&#x27;ll actually want to use multiple sensors. Even though the RasPi only has a single camera connector, you could use a breakout board to connect 2 or 4 cameras. Problem is: you most likely want these cameras to capture at <i>the exact same time</i>, so you don&#x27;t end up with frames captured around the same time that still show an in-motion object at wildly different positions. And I don&#x27;t see any provisions for hardware triggering with these modules.<p>The Nvidia SOC ecosystem tends to be a slightly better choice for imaging applications (more GPU encoding options and some provisions for camera sync). But most industrial applications stick with GigE camera modules for a reason...
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1-6about 2 years ago
This is exciting news for applications that requires calibration or associating points between image pairs of fast moving objects. I wonder when we&#x27;ll start seeing more global shutter cameras for automotive applications.
dannywabout 2 years ago
I wish they offered better lens on the IMX708. What&#x27;s the point of a 12MP sensor, only to stick a very cheap lens that only resolves like ~6MP?