Questions - OpenCV Q&A Forum

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2017-07-12 06:11:15 -0600 berak

I found this error while running sample cpp example facedetect.cpp 'undefiend reference to cv:

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2017-08-21 08:06:08 -0600 chetanreddy

watershed algorithm to image with grey background

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2017-10-27 07:34:02 -0600 vbc

Opencv does have support SVM accuracy?

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2017-10-27 08:07:59 -0600 theaniolad

Perform functions on a ROI

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2017-10-27 17:12:12 -0600 eshirima

newbe question about OpenCV live video capabities

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2017-10-31 10:18:13 -0600 Tetragramm

bitmap representation of a point cloud.

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2017-11-03 10:33:39 -0600 berak

Save a random tree in python and load it in C++

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2017-11-06 21:08:45 -0600 Tetragramm

Kalman filter matrices

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2017-11-07 11:23:58 -0600 supra56

Why i got stuck in faces = face_detector.detectMultiScale(gray, 1.3, 5)

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2018-02-22 02:44:25 -0600 Grillteller

Get strength of edges using magnitude

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2018-03-20 10:52:17 -0600 Simonn

Edge/Contour identification

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2019-03-05 08:49:32 -0600 supra56

[Brisk] How to change key point's size ?

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2019-09-07 11:39:44 -0600 kobeking

How does stereo SGBM algorithm really work inside ?

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2019-11-30 01:43:53 -0600 ojesus

python liveliness detection

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2013-10-10 05:00:39 -0600 wuling

How to easy to get the length of the edge??? [closed]

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2014-04-27 15:47:23 -0600 mikey

Overlaying edges onto original image in Python

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2014-05-18 13:03:34 -0600 hrishikesh

Python Stereo map. error: (-209) All the images must have the same size in function cv::findStereoCorrespondenceBM

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2014-05-19 08:30:57 -0600 Nabeel Ahmed

How to Display an image during On-line processing

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2015-06-22 21:27:53 -0600 Devansh Dalal

Non maximum suppression of edges..

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2020-10-20 04:54:46 -0600 sturkmen

Viz3d setCamera() only works the first time it is called

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2016-03-02 04:17:54 -0600 GDiana

opencv and X11 support on Mac OS

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2016-07-17 02:12:47 -0600 vinay123

not able to detect the edge of tomatoes which are in a bunch overlapping each other.

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2016-10-20 08:02:52 -0600 supertramp-sid

Cross Validation and hyperparameter optimization

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2016-11-10 17:28:49 -0600 Mohamed Alzaki

Detecting the shape of irregular objects [closed]

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2016-11-11 14:07:49 -0600 vidark

VideoCapture -> Frames -> VideoCapture: Possible?

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2017-07-13 03:44:36 -0600 RdlP

Error using fisheye callibration in python binding OpenCV 3.2.0

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2017-07-13 12:06:25 -0600 Pedro Batista

Create stitched image from known calibrated points

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2017-10-27 03:35:08 -0600 Jas92

How to label/track HOG detections in order to improve the detection system? [closed]

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2017-10-27 05:33:12 -0600 ManojGuha

Unable to use caffe model trained in nvidia digits in opencv dnn code

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2017-10-27 07:05:37 -0600 ROSpioneer

83 questions

I found this error while running sample cpp example facedetect.cpp 'undefiend reference to cv:

watershed algorithm to image with grey background

Opencv does have support SVM accuracy?

Perform functions on a ROI

newbe question about OpenCV live video capabities

bitmap representation of a point cloud.

Save a random tree in python and load it in C++

Kalman filter matrices

Why i got stuck in faces = face_detector.detectMultiScale(gray, 1.3, 5)

Get strength of edges using magnitude

Edge/Contour identification

[Brisk] How to change key point's size ?

How does stereo SGBM algorithm really work inside ?

python liveliness detection

How to easy to get the length of the edge??? [closed]

Overlaying edges onto original image in Python

Python Stereo map. error: (-209) All the images must have the same size in function cv::findStereoCorrespondenceBM

How to Display an image during On-line processing

Non maximum suppression of edges..

Viz3d setCamera() only works the first time it is called

opencv and X11 support on Mac OS

not able to detect the edge of tomatoes which are in a bunch overlapping each other.

Cross Validation and hyperparameter optimization

Detecting the shape of irregular objects [closed]

VideoCapture -> Frames -> VideoCapture: Possible?

Error using fisheye callibration in python binding OpenCV 3.2.0

Create stitched image from known calibrated points

How to label/track HOG detections in order to improve the detection system? [closed]

Unable to use caffe model trained in nvidia digits in opencv dnn code

Working with a camera with variable focal length

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