How to convert BRISKPoints into binary mask?

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Michael G.
Michael G. 2018-4-28
编辑： Michael G. 2018-4-28
Hi, I have BRISKPoints object and I need to convert BRISKPoints.Location data into binary mask. For example, if:
BRISKPoints.Location = [136.8434 114.7649]
then x = 136.8434, y = 114.7649 (some point in x,y coordinates). But originally, this point was found in uint8(200x200) picture, and now I need to build a binary mask of same size as original image, where in x = 136.8434, y = 114.7649 point will appear 1 (others 0).
How to remap these float coordinates into indexes within mask?
Or may be I need just a type conversion, will it work?
Thank you

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