Questions - OpenCV Q&A Forum

741

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-1

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2018-05-30 00:28:21 -0600 nikshita

How to crop a single desired face out of multiple detected faces in java.

java
opencv

444

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1

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2018-05-29 05:21:19 -0600 berak

Hi! i am trying to take and save a snapshot using java. How to remove the error generated as below:

opencv
java

325

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-1

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2018-05-08 14:31:08 -0600 Mus

WHAT IS THE BEST SOLUTION TO DO TRAFFIC LIGHT DETECTION USING OPENCV? [closed]

2k

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1

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1

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2018-04-14 21:43:26 -0600 JavaMaster

How to compile opencv-341.jar and opencv_java341.dll with org.opencv.face?

1k

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1

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no

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2018-04-27 09:24:07 -0600 Marko5280

OpenCV 3.4.1 breaks Imgproc.putText(Mat, String, Point, int, int, Scaler) [closed]

948

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

OpenCV 3.4 Assertion failed (checkDetectorSize()) in setSVMDetector

4k

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2

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2018-04-04 10:05:47 -0600 Marko5280

SOLVED The method putText(Mat, String, Point, int, int, Scaler) is undefined for the type Imgproc

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]

200

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

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

110

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

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

opencv
java

161

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

Compile openCV using JNI_VERSION_1_2

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

How do I convert byte[] to Mat.

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

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)?

497

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

How do I find a vertical line in a image?

293

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

Different results of code language conversion [closed]

1k

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2

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2018-02-18 07:38:47 -0600 Marko5280

What are the correct data types for contours and moments?

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

3k

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1

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no

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2018-02-10 04:58:16 -0600 sid311

CMake cannot detect latest Apache Ant 1.10.2

138

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

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

1k

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1

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2018-02-02 18:37:15 -0600 procton

What are m00, m10, m01 ect

133

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

Bounds extraction [closed]

347

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2

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2018-01-17 21:28:15 -0600 lezo

phash of img_hash test fail in java

355

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2

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2018-01-04 09:21:29 -0600 Genom

How to contribute my code for Java bindings?

453

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

Road detection and machine learning

658

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2017-12-05 13:12:23 -0600 procton

How manage RGB Pan sharpened image

1k

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1

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no

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2017-12-01 03:10:08 -0600 StevenPuttemans

Document Detection working with C++ code, But trouble in java conversion.

156

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no

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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

263

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1

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no

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2017-12-01 23:05:45 -0600 BAHRAMUDIN ADIL

How we import OpenCV in java while using no compiler just Notepad?

1k

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1

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2017-11-24 02:19:36 -0600 StevenPuttemans

354 questions

How to crop a single desired face out of multiple detected faces in java.

Hi! i am trying to take and save a snapshot using java. How to remove the error generated as below:

WHAT IS THE BEST SOLUTION TO DO TRAFFIC LIGHT DETECTION USING OPENCV? [closed]

How to compile opencv-341.jar and opencv_java341.dll with org.opencv.face?

OpenCV 3.4.1 breaks Imgproc.putText(Mat, String, Point, int, int, Scaler) [closed]

OpenCV 3.4 Assertion failed (checkDetectorSize()) in setSVMDetector

SOLVED The method putText(Mat, String, Point, int, int, Scaler) is undefined for the type Imgproc

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

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

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

Compile openCV using JNI_VERSION_1_2

How do I convert byte[] to Mat.

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

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

How do I find a vertical line in a image?

Different results of code language conversion [closed]

What are the correct data types for contours and moments?

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

CMake cannot detect latest Apache Ant 1.10.2

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

What are m00, m10, m01 ect

Bounds extraction [closed]

phash of img_hash test fail in java

How to contribute my code for Java bindings?

Road detection and machine learning

How manage RGB Pan sharpened image

Document Detection working with C++ code, But trouble in java conversion.

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

How we import OpenCV in java while using no compiler just Notepad?

Face Landmark Cropping using Android

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