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146 questions

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349
views
3
answers
1
vote
2020-01-09 02:32:30 -0500 LBerger

convert cv::Mat to vector<vector<uchar>> img;

4k
views
2
answers
2
votes
2012-07-30 09:30:42 -0500 sammy

multiply two points and matrix

2k
views
2
answers
1
vote
2014-03-05 04:42:54 -0500 tuannhtn flag of Vietnam

missing cv::Mat::zeros(int ndims, const int* sz, int type)

6k
views
2
answers
1
vote
2013-01-26 04:55:06 -0500 AlexanderShishkov flag of Russia

copy selected row of a matrix to another

11k
views
2
answers
2
votes
2013-04-08 12:54:31 -0500 Guanta

Product of two matrices

3k
views
2
answers
1
vote
2013-05-15 09:14:07 -0500 Guanta

Matrix multiplication

816
views
2
answers
no
votes
2018-07-24 20:49:42 -0500 mannyglover

Convert pixel position to world direction?

2k
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2
answers
no
votes
2015-08-15 14:05:13 -0500 LBerger

complement 16 bit mat and then convert it to 8 bit

5k
views
2
answers
no
votes
2020-02-20 00:12:25 -0500 syvlvester

Understanding the camera matrix

1k
views
1
answer
no
votes
2012-07-02 11:57:50 -0500 Andrey Pavlenko

GpuMat submatrix out of GpuMat object?

43k
views
1
answer
8
votes
2012-08-10 12:46:09 -0500 Ilya Lysenkov

Concatenating matrices

6k
views
1
answer
2
votes
2012-11-12 09:00:33 -0500 SR

different step size output for cv::Mat::step1

1k
views
1
answer
1
vote
2012-11-08 11:30:48 -0500 Simone

cv::Mat divide by last row.

273
views
1
answer
no
votes
2012-12-03 08:58:39 -0500 ryhor

N-dimentional Matrix support

14k
views
1
answer
1
vote
2012-12-03 14:34:43 -0500 AlexanderShishkov flag of Russia

cv::sum() and cv::norm() for CV_U8...

309
views
1
answer
no
votes
2013-02-12 08:52:06 -0500 Guanta

Access values from Mat

6k
views
1
answer
3
votes
2013-02-18 08:14:59 -0500 matt.hammer

Results of camera calibration vary

2k
views
1
answer
1
vote
2013-02-20 03:39:36 -0500 shray

floor of a matrix in OpenCV 2.4.3

4k
views
1
answer
1
vote
2013-02-19 03:20:23 -0500 Guanta

Access multiple channels in Mat

355
views
1
answer
no
votes
2013-02-24 09:20:29 -0500 SR

Mat.inv() yielding all zeroes in opencv

3k
views
1
answer
1
vote
2013-02-26 09:59:17 -0500 Mathieu Barnachon flag of Netherlands

Fill a matrix

2k
views
1
answer
no
votes
2013-03-06 00:19:25 -0500 Alexander Smorkalov flag of Russia

converting bitmap to Mat ( java, android)

5k
views
1
answer
no
votes
2013-04-01 04:44:55 -0500 New user

How to do inverse on complex matrix in OpenCV?

212
views
1
answer
1
vote
2013-04-02 05:05:09 -0500 Daniil Osokin flag of Russia

Matrix access isn't working correct

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