Questions - OpenCV Q&A Forum

4k

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2

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2

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2016-01-30 10:02:13 -0600 german_iris

How to verify the correctness of calibration of a webcam

1k

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no

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1

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2016-01-30 05:11:24 -0600 Polyquin

Detect and fix incomplete rectangle

607

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no

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no

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2016-01-30 00:57:24 -0600 berak

as i added my images in at data base but it shows unknown when i run the program following is the code [closed]

python

1k

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1

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1

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2016-01-29 18:32:54 -0600 sturkmen

Detect If area above line is empty

linedetection

2k

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no

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no

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2016-01-29 18:03:35 -0600 bfc_opencv

Trouble with Python multiprocessing and OpenCV

193

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1

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no

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2016-01-29 10:40:58 -0600 kbarni

Capture photo with specifications

2k

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1

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2016-01-29 09:33:15 -0600 berak

How to install extra modules ( eg : face ) of opencv 3.1.1 on ubuntu

177

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1

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no

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2016-01-29 08:58:26 -0600 berak

May I install 2 versions of OpenCV on Ubuntu?

dualversion

776

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1

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no

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2016-01-29 06:14:34 -0600 berak

Android Studio OpenCV NDK: Unspecified error, The function is not implemented

85

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no

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2016-01-29 05:53:02 -0600 dguerra

mulSpectrums when one or the inputs is SparseMat

140

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2016-01-29 05:01:46 -0600 carl82

Facial detection positive sample vector size

3k

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1

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no

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2016-01-29 00:13:20 -0600 zshn25

error: ‘create’ is not a member of ‘cv::FeatureDetector {aka cv::Feature2D}’ Ptr<FeatureDetector> detector = FeatureDetector::create("SURF") and some compiling errors for OpenCV sample code

290

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2016-01-28 21:32:08 -0600 courscaaiv

calibrateCamera with multiple patterns?

308

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1

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2016-01-28 21:09:05 -0600 Carrot_Luobo

How to solve this error while using waldboost_detector to train my own model?

1k

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no

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2016-01-28 09:49:34 -0600 Eduardo

OpenCV projectPoints jacobian matrix is not correct

2k

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1

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no

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2016-01-28 09:06:27 -0600 sturkmen

Output tracked variables into a Text File

188

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2016-01-28 08:10:09 -0600 Vavo

Earth Mover's distance with specified cost matrix and one column signatures.

3k

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1

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no

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2016-01-28 06:13:56 -0600 pklab

matchTemplate method in opencv?

1k

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2016-01-28 04:14:56 -0600 RVQ

Are my Points coplanar?

252

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no

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no

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2016-01-28 03:11:57 -0600 giomasce

Is PyramidAdaptedFeatureDetector gone in OpenCV 3?

1k

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1

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2

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2016-01-28 03:09:37 -0600 berak

how to use CascadeClassifier::read?

cascadeclassifier

1k

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1

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no

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2016-01-28 02:42:03 -0600 KTM

how to improve the accuracy of face recognition

899

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no

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2016-01-28 00:54:30 -0600 [email protected]

How to save detected edges in dwg/dxf formats [closed]

canny
dxf

209

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1

answer

1

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2016-01-27 20:27:06 -0600 AdamIB

beginner_with_dataset

database

14k

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1

answer

1

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2016-01-27 20:01:31 -0600 junmilreyso

OpenCV Image DPI [closed]

coordinate

1k

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2

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no

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2016-01-27 18:15:52 -0600 SR

Clear path detection using edge detection

625

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1

answer

1

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2016-01-27 18:12:55 -0600 SR

edge corners are not sharp with canny filter

212

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no

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no

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2016-01-27 14:37:15 -0600 berak

compareHist threshold

compareHist

559

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1

answer

no

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2016-01-27 13:43:29 -0600 jmbapps

Does not work with iOS 9

1k

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2

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no

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2016-01-27 13:40:13 -0600 jmbapps

29,830 questions

How to verify the correctness of calibration of a webcam

Detect and fix incomplete rectangle

as i added my images in at data base but it shows unknown when i run the program following is the code [closed]

Detect If area above line is empty

Trouble with Python multiprocessing and OpenCV

Capture photo with specifications

How to install extra modules ( eg : face ) of opencv 3.1.1 on ubuntu

May I install 2 versions of OpenCV on Ubuntu?

Android Studio OpenCV NDK: Unspecified error, The function is not implemented

mulSpectrums when one or the inputs is SparseMat

Facial detection positive sample vector size

error: ‘create’ is not a member of ‘cv::FeatureDetector {aka cv::Feature2D}’ Ptr<FeatureDetector> detector = FeatureDetector::create("SURF") and some compiling errors for OpenCV sample code

calibrateCamera with multiple patterns?

How to solve this error while using waldboost_detector to train my own model?

OpenCV projectPoints jacobian matrix is not correct

Output tracked variables into a Text File

Earth Mover's distance with specified cost matrix and one column signatures.

matchTemplate method in opencv?

Are my Points coplanar?

Is PyramidAdaptedFeatureDetector gone in OpenCV 3?

how to use CascadeClassifier::read?

how to improve the accuracy of face recognition

How to save detected edges in dwg/dxf formats [closed]

beginner_with_dataset

OpenCV Image DPI [closed]

Clear path detection using edge detection

edge corners are not sharp with canny filter

compareHist threshold

Does not work with iOS 9

Unable to build opencv for iOS using terminal in MacOS System

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