Image acquisition toolbox: Predict how many imgs can be buffered in RAM?

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I am looking for a way to predict how many frames (approx.) I can capture to the RAM of my computer using the image processing toolbox. I would prefer this over logging to HD.
Is that somehow possible by knowing the size of a frame and knowing the free memory (how...?) Thank you!!
Error event occurred at 14:17:15 for video input object: Mono8-gentl-1.
Unable to allocate memory for an incoming image frame due to insufficient free physical memory.
William Thielicke
William Thielicke on 12 Aug 2022
Oh well, maybe this works?
%before the acqusition:
initialAvailableMemory = bla.MemAvailableAllArrays - bla.MemUsedMATLAB
%during acquisition:
remainingMemory = initialAvailableMemory - bla.MemUsedMATLAB
if remainingMemory < X
stop image acquisition %(but how....)

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