Questions - OpenCV Q&A Forum

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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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2016-10-11 16:29:14 -0600 Gabriel Alacchi

Does OpenCV have a built in Edge Boxes implementation?

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

Cross Validation and hyperparameter optimization

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2016-11-07 22:41:20 -0600 Tetragramm

canny edge detection for 32 bit floats

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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 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.

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

VideoCapture -> Frames -> VideoCapture: Possible?

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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:

644

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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

357

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

watershed algorithm to image with grey background

329

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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

Working with a camera with variable focal length

687

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

Opencv does have support SVM accuracy?

140

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2017-10-27 07:41:05 -0600 Durden

Interactor in 3dViz

3dViz
edges

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

Perform functions on a ROI

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2017-10-27 10:17:41 -0600 antithing

Aruco module, using the ARUCO_MIP_36h12 dictionary?

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2017-10-27 16:19:27 -0600 rusty

Cross-compiling for ARM running QNX

556

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

newbe question about OpenCV live video capabities

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2017-10-27 17:46:39 -0600 Vict0r

Problem opening FLV file

567

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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 10:01:00 -0600 shebna12

How to set a flexible threshold value? [closed]

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

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

465

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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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2018-02-26 16:12:38 -0600 GregF458XVM

Smoothing out edges - Converting an 8UC4 Mat to a 32FC4 Mat

331

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

Edge/Contour identification

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2018-09-06 09:12:03 -0600 Bleeck

83 questions

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

Does OpenCV have a built in Edge Boxes implementation?

Cross Validation and hyperparameter optimization

canny edge detection for 32 bit floats

Detecting the shape of irregular objects [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.

VideoCapture -> Frames -> VideoCapture: Possible?

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

Error using fisheye callibration in python binding OpenCV 3.2.0

Create stitched image from known calibrated points

watershed algorithm to image with grey background

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

Opencv does have support SVM accuracy?

Interactor in 3dViz

Perform functions on a ROI

Aruco module, using the ARUCO_MIP_36h12 dictionary?

Cross-compiling for ARM running QNX

newbe question about OpenCV live video capabities

Problem opening FLV file

bitmap representation of a point cloud.

How to set a flexible threshold value? [closed]

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

Smoothing out edges - Converting an 8UC4 Mat to a 32FC4 Mat

Edge/Contour identification

Patent application regarding ThinPlateSplines!

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