Questions - OpenCV Q&A Forum

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2018-06-22 01:13:16 -0600 berak

How to rotate captured video from camera

c++#opencv

539

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1

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2015-04-07 05:56:47 -0600 theodore

measuring height of color using pixel. [closed]

c++#opencv

613

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2015-04-09 16:27:09 -0600 sturkmen

how to get bounding rectangle on both window??

c++#opencv

198

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2015-06-01 07:32:28 -0600 thdrksdfthmn

why I am not getting Image??

c++#opencv

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2015-07-15 15:20:36 -0600 LBerger

Put decoded base64 data into cv::Mat variable

c++#opencv

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2015-07-30 08:43:56 -0600 s1lent92

opencv 2.4.11 record 16 bit depth image as video

c++#opencv

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2015-10-01 15:07:22 -0600 Elad R

opencv 3.0.0 Installation instructions for bloodshed Dev CPP

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2015-11-30 10:06:39 -0600 LorenaGdL

how to convert image in rectangle into gray??

c++#opencv

176

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2015-12-04 14:22:55 -0600 Sarp Aykent

Changing part of image doesnt effect orjinal image OpenCV 2.4.11 C++ [closed]

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2015-12-29 06:04:36 -0600 bharathiraja

can I use CV, for video frame Perspective correction?

c++#opencv

340

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2016-01-15 03:34:56 -0600 StevenPuttemans

I am a new in programming and opencv as well, I would like to learn it in a perfect way possible. how can I read a video from a file? is there any requirement to do so?

c++#opencv

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2016-01-22 04:31:26 -0600 StevenPuttemans

Opencv Timeout error in windows

c++#opencv

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2016-02-10 10:46:06 -0600 berak

Numpy Arrays

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2016-04-14 20:39:24 -0600 Tetragramm

How can I compare an ideal projection with a real projection?

c++#opencv

287

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2016-05-18 15:46:18 -0600 preeti

geometric distortion correction for QR code image

c++#opencv

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2016-05-27 01:04:14 -0600 kevgeo

HOG:How much to resize image when calculating HOG features?

c++#opencv

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2016-06-04 12:59:17 -0600 kevgeo

Drawing epipole lines

c++#opencv

221

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2016-06-09 08:41:31 -0600 kbarni

Scene Reconstruction

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2016-06-11 05:27:20 -0600 berak

Calculate affine transformation matrix

c++#opencv

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2016-06-13 06:26:44 -0600 kevgeo

Finding Rank of Kernel

80

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2016-06-29 21:06:47 -0600 berak

I have problem with changing array data to matrix.

c++#opencv

62

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2016-07-01 03:18:53 -0600 berak

Unexpected behavior of the program

c++#opencv

512

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1

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2016-07-23 03:04:15 -0600 berak

why composeRT function is showing error for column vectors?

3k

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2016-07-27 00:35:22 -0600 berak

findChessboardCorners returing false boolean value?

3k

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2016-10-21 04:30:21 -0600 kbarni

How to read 10 bit tiff satellite image in opencv?

c++#opencv

714

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no

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no

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2016-10-23 23:32:51 -0600 arbj

which is better for opencv, C or Python?

c++#opencv

453

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no

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2016-10-26 05:52:59 -0600 Balaji R

Here img is 16UC3... Comparing is wrong...Can someone help me with this [closed]

c++#opencv

706

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1

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2016-11-01 10:34:02 -0600 berak

I am trying to recognize facial emotion using SVM, however every time I run the program I get an error stating "assertion failed (samples.cols== var_count && samples.type == CV_32F) in cv::ml::SVMImpl::predict in file....... line 1919"

c++#opencv

217

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no

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2016-11-01 23:41:44 -0600 Madalasa

How to load single bit 3 channel image? [closed]

c++#opencv

90

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1

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no

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2016-11-11 07:54:43 -0600 berak

I am working on recognition of faces in given videos with provided Data base.I am using createFisherFaceRecognizer() . But I am not getting Proper output. is it problem with Data base or the predict method, which i have used.

77 questions

How to rotate captured video from camera

measuring height of color using pixel. [closed]

how to get bounding rectangle on both window??

why I am not getting Image??

Put decoded base64 data into cv::Mat variable

opencv 2.4.11 record 16 bit depth image as video

opencv 3.0.0 Installation instructions for bloodshed Dev CPP

how to convert image in rectangle into gray??

Changing part of image doesnt effect orjinal image OpenCV 2.4.11 C++ [closed]

can I use CV, for video frame Perspective correction?

I am a new in programming and opencv as well, I would like to learn it in a perfect way possible. how can I read a video from a file? is there any requirement to do so?

Opencv Timeout error in windows

Numpy Arrays

How can I compare an ideal projection with a real projection?

geometric distortion correction for QR code image

HOG:How much to resize image when calculating HOG features?

Drawing epipole lines

Scene Reconstruction

Calculate affine transformation matrix

Finding Rank of Kernel

I have problem with changing array data to matrix.

Unexpected behavior of the program

why composeRT function is showing error for column vectors?

findChessboardCorners returing false boolean value?

How to read 10 bit tiff satellite image in opencv?

which is better for opencv, C or Python?

Here img is 16UC3... Comparing is wrong...Can someone help me with this [closed]

I am trying to recognize facial emotion using SVM, however every time I run the program I get an error stating "assertion failed (samples.cols== var_count && samples.type == CV_32F) in cv::ml::SVMImpl::predict in file....... line 1919"

How to load single bit 3 channel image? [closed]

I am working on recognition of faces in given videos with provided Data base.I am using createFisherFaceRecognizer() . But I am not getting Proper output. is it problem with Data base or the predict method, which i have used.

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