edgestack | Universal React Stack with deeply integrated localization | Frontend Framework library
kandi X-RAY | edgestack Summary
kandi X-RAY | edgestack Summary
[UNMAINTAINED] A Universal React Stack with deeply integrated localization Support, semi-automatic route-based code splitting, Hot Module Reloading (HMR), Redux, Apollo GraphQL and more...
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QUESTION
Good day,
I have a collection of images stored in edgeStack (vector) with dimensions of 64x64 = 4096. The vector is holding a set of output images produced by canny edge detection.
I would like to compute the percentage of white pixels by using countNonZero as following line. I am converting to string datatype as well since I am going to use putText to display at the bottom of respective frame.
...ANSWER
Answered 2019-Dec-24 at 09:36countNonZero
returns integer type, so countNonZero(...) / 4096
is an integer division (rounding to integer, towards zero). You need floating point division, so you need one of the arguments to be a double
, for example countNonZero(...) / 4096.0
.
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