compareAsync function
Compare performs the per-element comparison of two arrays or an array and scalar value.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga303cfb72acf8cbb36d884650c09a3a97
Implementation
Future<Mat> compareAsync(InputArray src1, InputArray src2, int cmpop) async =>
cvRunAsync((callback) => ccore.core_Compare_Async(src1.ref, src2.ref, cmpop, callback), matCompleter);