Questions - OpenCV Q&A Forum

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6

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2020-09-15 23:41:18 -0600 RobBW

How to detect scratches in wood

712

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no

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2

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2014-02-25 16:29:33 -0600 Rui Marques

How to use the pyramid list from buildOpticalFlowPyramid as input for calcOpticalFlowPyrLK?

671

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no

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2

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2014-01-28 12:34:30 -0600 xaffeine

What is trainingfaces_24 -24.vec? [closed]

19k

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2

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2

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2015-08-07 19:21:11 -0600 sturkmen

Use OpenCV to detect text blocks send to Tesseract iOS

OCR

2k

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2

answers

2

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2015-03-09 14:00:19 -0600 Miguel Lorenzo

opencv_traincascade crash without explanation

#traincascade

754

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2

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2014-02-02 09:56:44 -0600 CalumMurray

Normalize 3D histogram - Sum to 1

34k

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2

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2

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2014-02-06 05:13:55 -0600 Wolf

imshow() and waitKey()

14k

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1

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2014-02-06 02:11:12 -0600 Viatorus

How can you use K-Means clustering to posterize an image using c++?

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2014-02-12 04:13:13 -0600 vlad_tepesch

why is cv::invert so incredibly slow?

invert
slow

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2

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2014-02-12 05:26:02 -0600 MRDaniel

AAM Help Needed Finishing it off

AAM

845

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1

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2

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2014-03-31 18:20:36 -0600 sluggo

OpenCV (master) - Cuda 5.5 - OS X 10.9 -- Python - malformed mach-o image

265

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no

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2

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2014-02-12 17:39:35 -0600 salgarcia

Local enhancing of license plate in video sequence

152

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2

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2014-02-12 22:06:01 -0600 Agustin Haller

Fisherfaces components and regions [closed]

1k

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1

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2014-02-14 17:34:45 -0600 tuannhtn

k-nearest neighbor classifier

346

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1

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2014-03-03 20:40:40 -0600 rohitg

Contributing to Feature #3073: Convenient way of initializing RotatedRect

8k

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4

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2

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2017-08-09 08:22:04 -0600 Ziri

How to compare two contours Translated from one another?

9k

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1

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2

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2014-02-21 02:37:45 -0600 jensenb

undistortPoints with Python

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2

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2014-02-22 04:10:58 -0600 linux16

Camera calibration procedure using 3d object

79k

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1

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2019-06-21 12:48:24 -0600 sturkmen

Correct HSV InRange Values for 'Red' Objects

344

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1

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2

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2014-02-25 07:06:20 -0600 tuannhtn

Efficiency and effectiveness of OpenCV modules

efficiency

5k

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1

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2

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2014-08-21 05:49:19 -0600 AndrewG

Regarding Gray Level Co-occurance Matrix GLCM

GLCM
java

4k

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1

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2

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2014-02-28 13:53:07 -0600 Will Stewart

Motion detection false alarms from light changes

294

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no

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2

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2014-02-28 03:23:26 -0600 vsay

Analyse features of the connected components with histogram with opencv and c++

372

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1

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2

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2014-03-02 18:06:28 -0600 wuling

Does anyone know a suitable algorithm to deal with such a complicated problem?

1k

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1

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2

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

canny edge detection for 32 bit floats

674

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1

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2

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2014-03-04 02:08:31 -0600 jensenb

cpp-example-calibration fails; displays images but does not export camera.yml

904

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1

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2

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2014-03-05 02:02:04 -0600 tuannhtn

What characteristics does opencv's k nearest neighbor algorithm use to predict?

215

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1

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2

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2014-03-05 14:38:42 -0600 jasen

How would I compile codecs for VideoCapture w/o root access?

731

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1

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2

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2014-11-06 06:14:53 -0600 bad_keypoints

Need Tutorials/ Reources for Multi-label SVM classification

2k

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no

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2

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2014-03-12 07:44:50 -0600 Flart

animated gif support [closed]

gif

29,830 questions

How to detect scratches in wood

How to use the pyramid list from buildOpticalFlowPyramid as input for calcOpticalFlowPyrLK?

What is trainingfaces_24 -24.vec? [closed]

Use OpenCV to detect text blocks send to Tesseract iOS

opencv_traincascade crash without explanation

Normalize 3D histogram - Sum to 1

imshow() and waitKey()

How can you use K-Means clustering to posterize an image using c++?

why is cv::invert so incredibly slow?

AAM Help Needed Finishing it off

OpenCV (master) - Cuda 5.5 - OS X 10.9 -- Python - malformed mach-o image

Local enhancing of license plate in video sequence

Fisherfaces components and regions [closed]

k-nearest neighbor classifier

Contributing to Feature #3073: Convenient way of initializing RotatedRect

How to compare two contours Translated from one another?

undistortPoints with Python

Camera calibration procedure using 3d object

Correct HSV InRange Values for 'Red' Objects

Efficiency and effectiveness of OpenCV modules

Regarding Gray Level Co-occurance Matrix GLCM

Motion detection false alarms from light changes

Analyse features of the connected components with histogram with opencv and c++

Does anyone know a suitable algorithm to deal with such a complicated problem?

canny edge detection for 32 bit floats

cpp-example-calibration fails; displays images but does not export camera.yml

What characteristics does opencv's k nearest neighbor algorithm use to predict?

How would I compile codecs for VideoCapture w/o root access?

Need Tutorials/ Reources for Multi-label SVM classification

animated gif support [closed]

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