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5 questions
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countNonZero
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2019-05-01 16:48:53 -0600
abka
countNonZero isn't detecting filled bubble and returning big value [closed]
omr
bubble
countNonZero
509
views
1
answer
no
votes
2017-06-01 04:10:46 -0600
StevenPuttemans
Count black pixel each column manual
countNonZero
1k
views
1
answer
1
vote
2015-12-21 03:20:43 -0600
LorenaGdL
not rect ROI defined by 4 points
roi
countNonZero
1k
views
1
answer
1
vote
2015-06-22 08:59:34 -0600
Jon Snow
Finding the pixel precise area of white blobs
findcountours
contourArea
countNonZero
3k
views
1
answer
1
vote
2013-11-18 08:04:48 -0600
nkint
exception in CountNonZero (too see if 2 mat are equal)
countNonZero
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