Just a quick note: The test testpyramids_test actually detected a bug, but the test doesn't fail. If you go to any recent Travis log, you'll find those lines:
OpenCV Error: Sizes of input arguments do not match (The operation is neither 'array op array' (where arrays have the same size and the same number of channels), nor 'array op scalar', nor 'scalar op array') in arithm_op, file /build/opencv-L2vuMj/opencv-3.2.0+dfsg/modules/core/src/arithm.cpp, line 659
[ERROR] [1572161328.939722859]: Image processing error: The operation is neither 'array op array' (where arrays have the same size and the same number of channels), nor 'array op scalar', nor 'scalar op array' arithm_op /build/opencv-L2vuMj/opencv-3.2.0+dfsg/modules/core/src/arithm.cpp 659
Just a quick note: The test
testpyramids_testactually detected a bug, but the test doesn't fail. If you go to any recent Travis log, you'll find those lines:https://travis-ci.org/ros-perception/opencv_apps/jobs/522957213#L6335