Questions - OpenCV Q&A Forum

1k

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1

answer

1

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2015-05-01 05:32:57 -0600 berak

goodFeaturesToTrack returns 2 channel image and can't be imshowed

332

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no

answers

1

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2015-06-10 05:47:05 -0600 sneap

Training models for LSVM detector [closed]

413

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2

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1

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2015-06-25 00:20:14 -0600 Karthikeyan

Increase the number of rows for a Mat without touching original data

95

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no

answers

1

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2015-07-23 07:52:27 -0600 Valera

PCA with big matrices

PCA
Mat

3k

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1

answer

1

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2015-09-28 02:37:30 -0600 Aj-611

mat from buffer

2k

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1

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1

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2015-10-06 11:25:20 -0600 diegomez_86

Saving an Opencv Mat into a YAML file using python

28k

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1

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1

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2015-12-19 04:01:06 -0600 pklab

copy small part of mat to another

527

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2

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1

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2016-02-10 10:50:42 -0600 Guyygarty

Convert double[2048]to Mat

15k

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1

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2016-02-24 07:43:23 -0600 iko79

Most efficient way to clear an image with C++ interface?

Mat
beginner

6k

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1

answer

1

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2016-02-24 13:54:37 -0600 berak

Succinct way to assign values to Mat

Mat
c++

519

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1

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1

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2016-03-03 10:36:02 -0600 Eduardo

How to convert a row of a descriptor to a binary string

1k

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1

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2016-03-06 08:26:34 -0600 berak

MAT is empty after doing rotate the image

1k

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3

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1

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2016-03-10 04:26:52 -0600 essamzaky

Fast element access macro in C++ API

12k

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2

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1

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2017-05-17 11:10:56 -0600 sengsational

how to use opencv in android studio in native c++ code ??

4k

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2

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1

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2016-03-24 10:09:31 -0600 acajic

index matrix

817

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1

answer

1

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2016-04-28 05:22:03 -0600 pklab

OpenCV padded Mat, use with VideoWriter

226

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1

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no

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2016-05-18 08:10:39 -0600 berak

Basic operations on mat variable in android

19k

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2

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1

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2016-06-28 14:10:27 -0600 pklab

returning a Mat from a function

351

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no

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1

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2016-12-03 11:28:20 -0600 Fly

Data-array "organisation" of image Mat. (Mat->GIF)

1k

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2

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no

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2017-01-05 13:55:51 -0600 pklab

How to export cv::Mat to mysql?

228

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1

answer

1

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2017-02-07 19:23:41 -0600 Tetragramm

Just a curiosity

Mat
compare

3k

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2

answers

1

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2017-02-23 03:53:26 -0600 kbarni

how to access matrix with unknown number of channels ?

Mat

417

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1

answer

1

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2017-09-11 11:00:46 -0600 eshirima

cv::Mat::size() cannot be found here

15k

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1

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1

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2017-10-18 09:23:26 -0600 Andriezel

How to properly convert Mat to Bitmap C++

523

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1

answer

1

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2017-11-07 02:11:17 -0600 berak

How to understand Mat_<float>

Mat

2k

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1

answer

1

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2017-12-06 16:48:46 -0600 sdwarfs

Is there already a way to add custom metadata to cv::Mat or cv::UMat?

329

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no

answers

1

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2017-12-04 11:38:49 -0600 M.R.

How to do erosion on a 3D image?

234

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1

answer

1

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2018-01-08 19:59:16 -0600 sjhalayka

trouble understanding pixel access

686

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1

answer

1

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2018-02-08 22:07:10 -0600 Balaji R

Split a Mat into parts, based on each containing three colors?

186

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1

answer

1

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2018-04-24 01:15:56 -0600 berak

467 questions

goodFeaturesToTrack returns 2 channel image and can't be imshowed

Training models for LSVM detector [closed]

Increase the number of rows for a Mat without touching original data

PCA with big matrices

mat from buffer

Saving an Opencv Mat into a YAML file using python

copy small part of mat to another

Convert double[2048]to Mat

Most efficient way to clear an image with C++ interface?

Succinct way to assign values to Mat

How to convert a row of a descriptor to a binary string

MAT is empty after doing rotate the image

Fast element access macro in C++ API

how to use opencv in android studio in native c++ code ??

index matrix

OpenCV padded Mat, use with VideoWriter

Basic operations on mat variable in android

returning a Mat from a function

Data-array "organisation" of image Mat. (Mat->GIF)

How to export cv::Mat to mysql?

Just a curiosity

how to access matrix with unknown number of channels ?

cv::Mat::size() cannot be found here

How to properly convert Mat to Bitmap C++

How to understand Mat_<float>

Is there already a way to add custom metadata to cv::Mat or cv::UMat?

How to do erosion on a 3D image?

trouble understanding pixel access

Split a Mat into parts, based on each containing three colors?

contour look strange

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