Questions - OpenCV Q&A Forum

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2017-11-30 16:47:41 -0600 fatemeh.hosseini

OpenCV Error: Bad argument (The array of _responses must contain as many elements as the total number of samples in the training data matrix) in CvDTreeTrainData::set_data

457

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2017-12-09 03:44:37 -0600 procton

Road detection and machine learning

451

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2017-12-10 15:43:18 -0600 kushty

Can't build OpenCV with CMake [closed]

637

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2017-12-23 01:39:11 -0600 phillity

Java OpenCV 3.4.0 Facemark Issue

143

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1

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2018-01-13 12:13:57 -0600 hfnvbh

Ptr_StereoMatcher in java wrappers for android

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2018-01-20 08:43:08 -0600 Tatev

Why MatOfPoint is list of points?

135

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2018-01-23 12:55:29 -0600 Truefiber

Bounds extraction [closed]

98

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2018-01-23 21:37:32 -0600 masterenol

Help Adding Library in Eclipse

Eclipse
java

538

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2018-02-07 09:35:31 -0600 kaba

memory leak in Mat.put(int,int,byte[])? or wrong usage? (Java)

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2018-02-07 15:21:32 -0600 aditya

How to remove this error in javacv.... [closed]

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2018-02-08 11:13:17 -0600 paathurnaxe

Extracting feature vector from OpenCV's LBP implementation

java
python

942

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2018-02-15 02:36:56 -0600 sid311

Adventures in OpenCV Building: OpenCV + Contrib 3.4 build results in neutered Java and Python files and no Matlab bindings

542

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2018-02-15 04:16:17 -0600 rc

Unsatisfied Link Error - OpenCV Java 3.3.1 - Apache Wildfly 11

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2018-02-15 18:14:05 -0600 Murilo Pereira

Different results of code language conversion [closed]

499

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2018-02-20 09:19:03 -0600 Marko5280

How do I find a vertical line in a image?

636

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1

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2018-02-20 00:40:24 -0600 procton

How detect very small blobs

113

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2018-02-19 23:02:43 -0600 DenisN03

Why do we get different predictions when using java and python(dnn)?

79

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2018-02-26 00:30:03 -0600 rezaee

Where can I find descriptions of Java OpenCV? [closed]

499

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2018-02-27 10:34:33 -0600 BAHRAMUDIN ADIL

Build OpenCV3.4.1 from source on Ubuntu 16.04, but failed to generate Java bindings

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2018-02-27 14:09:42 -0600 fahad_nadeem

I integrate OpenCVLibrary3.4.0 in Android Studio but there are to classes in the library having compilation error? [closed]

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2018-03-06 16:05:59 -0600 Marko5280

How do I convert byte[] to Mat.

132

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2018-03-11 06:19:08 -0600 EdoTwentySix

ROI on Hand openCV 2.4.9 Java [closed]

162

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2018-03-15 03:30:12 -0600 Mutpx

Compile openCV using JNI_VERSION_1_2

110

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2018-03-20 13:09:04 -0600 Marko5280

Mat (int, int, int, byte[]) is undefinded

opencv
java

201

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2018-03-25 10:05:48 -0600 EdoTwentySix

Training custom dataset using Histogram of Gradients in java [closed]

4k

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2018-03-30 14:11:23 -0600 Marko5280

Solved: The type list is not generic; it cannot be parameterized with arguments <MatOfPoint> [closed]

950

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2018-04-01 12:50:59 -0600 kurenchuksergey

OpenCV 3.4 Assertion failed (checkDetectorSize()) in setSVMDetector

108

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2018-04-08 07:31:54 -0600 dgotlieb

Marking the difference between 2 images with rectangle - Java

java

285

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2018-04-08 14:26:24 -0600 EdoTwentySix

Speeding up HOG compute in Java [closed]

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2018-04-22 11:41:13 -0600 Chrono7

1,159 questions

OpenCV Error: Bad argument (The array of _responses must contain as many elements as the total number of samples in the training data matrix) in CvDTreeTrainData::set_data

Road detection and machine learning

Can't build OpenCV with CMake [closed]

Java OpenCV 3.4.0 Facemark Issue

Ptr_StereoMatcher in java wrappers for android

Why MatOfPoint is list of points?

Bounds extraction [closed]

Help Adding Library in Eclipse

memory leak in Mat.put(int,int,byte[])? or wrong usage? (Java)

How to remove this error in javacv.... [closed]

Extracting feature vector from OpenCV's LBP implementation

Adventures in OpenCV Building: OpenCV + Contrib 3.4 build results in neutered Java and Python files and no Matlab bindings

Unsatisfied Link Error - OpenCV Java 3.3.1 - Apache Wildfly 11

Different results of code language conversion [closed]

How do I find a vertical line in a image?

How detect very small blobs

Why do we get different predictions when using java and python(dnn)?

Where can I find descriptions of Java OpenCV? [closed]

Build OpenCV3.4.1 from source on Ubuntu 16.04, but failed to generate Java bindings

I integrate OpenCVLibrary3.4.0 in Android Studio but there are to classes in the library having compilation error? [closed]

How do I convert byte[] to Mat.

ROI on Hand openCV 2.4.9 Java [closed]

Compile openCV using JNI_VERSION_1_2

Mat (int, int, int, byte[]) is undefinded

Training custom dataset using Histogram of Gradients in java [closed]

Solved: The type list is not generic; it cannot be parameterized with arguments <MatOfPoint> [closed]

OpenCV 3.4 Assertion failed (checkDetectorSize()) in setSVMDetector

Marking the difference between 2 images with rectangle - Java

Speeding up HOG compute in Java [closed]

Java - Can't find dependent libraries

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