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32 questions

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299
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1
answer
1
vote
2012-10-09 08:28:24 -0500 Ilinsekt

calcHist with CV_64F image?

2k
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1
answer
1
vote
2012-11-18 05:01:28 -0500 Michael Burdinov

Histogram: Count black pixel per column

162
views
1
answer
no
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2013-09-20 05:49:43 -0500 Moster

Histogram outputs always same picture

1k
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no
answers
1
vote
2013-09-29 18:28:55 -0500 lordtchofo

gpu::calcHist()

1k
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no
answers
1
vote
2014-01-20 14:04:25 -0500 Torsten

calcHist returns invalid Mat (n-dimensional histogram, n>=3)

214
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no
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no
votes
2014-04-01 07:19:53 -0500 juanmanpr

Access histogram data

2k
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1
answer
no
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2014-05-23 00:46:43 -0500 Abid Rahman K flag of India

calcHist on BGR in python

106
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no
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no
votes
2014-07-09 17:19:59 -0500 aniket

histogram equalization "New optimization" @ 2.4.7

5k
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1
answer
1
vote
2014-09-02 09:20:47 -0500 ejehardenberg flag of United States of America

*java* api Histogram calculation

325
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1
answer
no
votes
2014-12-25 16:56:36 -0500 mcsmurf

calcHist not returning expected values?

72
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no
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no
votes
2015-04-22 01:40:12 -0500 asanka

How to calculate histogram using every nth pixel opencv

10k
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2
answers
2
votes
2015-12-29 06:48:52 -0500 LBerger

calcHist() usage for RGB histogram...?

631
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1
answer
no
votes
2016-03-09 18:52:29 -0500 tuannhtn flag of Vietnam

Issue with calcHist

989
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1
answer
2
votes
2016-03-16 06:34:36 -0500 strann

Histogram for ushort

674
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1
answer
no
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2016-03-23 19:13:28 -0500 martyychang flag of United States of America

calcHist() float values in range param?

347
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no
answers
no
votes
2016-04-26 09:19:22 -0500 strann

calcHist() with CV_32F

291
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no
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no
votes
2016-11-04 11:28:56 -0500 Farqual flag of France

calcHist() in detail

669
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1
answer
no
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2017-01-02 04:11:49 -0500 simozz

what is the role of mask passed to calcHist argument ?

146
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1
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no
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2017-02-28 00:38:45 -0500 pi-null-mezon flag of Russia

Creating a Histogram

942
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1
answer
no
votes
2017-03-21 05:50:52 -0500 berak

calcHist() using vectors

1k
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no
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no
votes
2017-10-03 00:15:49 -0500 aruno14

CalcHist on java [closed]

847
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1
answer
no
votes
2018-04-17 01:13:48 -0500 berak

Can't get correct parameter format for cv::calcHist

881
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1
answer
no
votes
2018-11-13 07:02:05 -0500 supra56 flag of Canada

OpenCV Python: can not pass UMat to calcHist

106
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no
answers
no
votes
2019-06-26 08:09:51 -0500 kevincvanhorn

CalcHist gives different results on C++ vs Python

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