Questions - OpenCV Q&A Forum

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2014-02-17 01:28:48 -0600 prakharmohan

please help me warning: Error opening file (/home/vaibhav/opencv/modules/highgui/src/cap_ffmpeg_impl.hpp:553)

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2014-02-19 11:48:23 -0600 shiv.butekar

i have one problem using cuda+opencv+nsight eclipse

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2015-08-21 09:11:13 -0600 WhereToNow

Why is there a difference between OpenCV's scale change implementation of detectMultiScale between the cascade classifier and HOGDescriptor? [closed]

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2017-03-31 04:35:00 -0600 berak

OpenCV 3 and SVM on cpp

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2017-04-22 07:04:17 -0600 berak

how to find optimal SVM parameters gamma and cost using grid search with 5-fold cross validation process?

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2017-05-01 07:13:17 -0600 vidushig2

What should be default value of features for classification stored in csv file using svm classifciation

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2017-06-01 13:20:29 -0600 double

How to use cpp-tutorial-pnp_detection in real time camera

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2017-07-07 03:49:20 -0600 gaspare

Read a named pipe in opencv

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2017-09-23 03:55:53 -0600 Ashiq KS

Hi I want to open camera in windows forms in cpp.

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2018-04-05 05:30:55 -0600 Kira

Difference in time of getting the frame

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2018-06-07 02:49:14 -0600 krshrimali

Difference in same operations between Python and C++ OpenCV Code

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2018-07-10 13:54:09 -0600 mannyglover

OpenCV camera_calibration sample. No input found.

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2018-12-21 23:07:18 -0600 Tetragramm

how to perform triangulation for monocular camera?

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2019-02-13 18:22:01 -0600 Fer-de-lance

Associate blob/mark with a text inside a rect

cpp
opencv

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2019-06-12 01:54:04 -0600 Kira

Issue in using imread and imwrite in thread

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2019-07-07 15:31:28 -0600 sina

Hi, Does anyone know how can I capture frames of a video in cpp, using opencv without memory leakage problem? [closed]

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2020-01-07 13:40:52 -0600 Sherman

How can I send video stream

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2020-02-07 10:14:08 -0600 yangjingru

opencv cpp dnn objection detection not in accordance with tensorflow object detection of python

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2020-03-23 04:11:49 -0600 DanR

OpenCV 4.2 captures empty frame from TC358743 on RPi 3B+

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2020-07-08 08:55:49 -0600 laura

20 questions

please help me warning: Error opening file (/home/vaibhav/opencv/modules/highgui/src/cap_ffmpeg_impl.hpp:553)

i have one problem using cuda+opencv+nsight eclipse

Why is there a difference between OpenCV's scale change implementation of detectMultiScale between the cascade classifier and HOGDescriptor? [closed]

OpenCV 3 and SVM on cpp

how to find optimal SVM parameters gamma and cost using grid search with 5-fold cross validation process?

What should be default value of features for classification stored in csv file using svm classifciation

How to use cpp-tutorial-pnp_detection in real time camera

Read a named pipe in opencv

Hi I want to open camera in windows forms in cpp.

Difference in time of getting the frame

Difference in same operations between Python and C++ OpenCV Code

OpenCV camera_calibration sample. No input found.

how to perform triangulation for monocular camera?

Associate blob/mark with a text inside a rect

Issue in using imread and imwrite in thread

Hi, Does anyone know how can I capture frames of a video in cpp, using opencv without memory leakage problem? [closed]

How can I send video stream

opencv cpp dnn objection detection not in accordance with tensorflow object detection of python

OpenCV 4.2 captures empty frame from TC358743 on RPi 3B+

OpenCL error CL_INVALID_VALUE in findChessboardCornersSB

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