Questions - OpenCV Q&A Forum

3k

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4

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1

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2012-12-14 02:57:12 -0600 V.G.

FaceRecognizer.java in Opencv4Android 2.4.3

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4

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4

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2013-07-16 08:11:15 -0600 Yoonje Choi

JNI UnsatisfiedLinkError when running ant sample on Ubuntu

6k

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3

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no

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2013-06-30 17:51:17 -0600 Paethon

Build OpenCV for Java on Ubuntu 12.10

3k

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3

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no

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2014-03-31 11:06:56 -0600 Andrey Pavlenko

How to pass a MatOfKeyPoint and MatOfPoint2f to native code? (OpenCV 4 Android)

6k

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2

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2

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2012-07-09 07:45:02 -0600 Andrey Pavlenko

Unresolved inclusion in OpenCV+Android tutorial

4k

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2

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2

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2012-12-14 03:05:39 -0600 V.G.

How the libopencv_java.so is copy to the apk when it is used the static lib type?

1k

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2

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6

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2012-12-14 03:02:06 -0600 V.G.

opencv for desktop java

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2

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1

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2013-10-10 04:28:21 -0600 Alberto del Río

OpenCV4Android sample: "Type 'DetectionBasedTracker' could not be resolved"

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2

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1

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2013-04-30 12:45:44 -0600 riothamus

Passing Bitmap to JNI

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2

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2

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2013-01-20 09:23:22 -0600 Alexander Smorkalov

Is there a way to grab all the pixels of a matrix in Java, operate on every pixel, and then put them all back into the image, using only two JNI calls?

3k

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2

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no

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2013-03-06 03:37:32 -0600 Alexander Smorkalov

Use native OpenCV C++ camera in JNI call

832

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2

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1

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2013-03-07 05:26:18 -0600 Alexander Smorkalov

FAST detection possible with OpenCV Manager on Android?

2k

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2

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no

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2013-03-26 10:16:23 -0600 pocahentez

problem in cvtColor function

13k

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2

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no

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2013-11-06 10:17:34 -0600 leo

I can't compile JNI file

11k

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2

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2

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2015-08-24 09:50:45 -0600 sturkmen

subtract color from Mat

1k

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2

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no

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2017-05-17 11:07:19 -0600 sengsational

Android Studio: OpenCV + NDK

831

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2

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no

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2016-04-18 02:47:50 -0600 benjaminbillet

minMaxIdx missing in the JNI interface?

jni

837

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1

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2

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2012-07-11 04:29:56 -0600 Andrey Pavlenko

Performance issues on porting warpPerspective into my project

3k

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1

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2

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2012-07-09 09:02:18 -0600 Andrey Pavlenko

OpenCV for Android (2.4.2): OpenCV Loader imports not resolved

1k

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1

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no

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2012-09-04 09:04:16 -0600 Andrey Pavlenko

Android: Native Opencv - cvtColor segfault

5k

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1

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9

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2013-03-21 03:39:00 -0600 Andrey Pavlenko

Wrapping OpenCV with desktop Java: Building for 64-bit x86

785

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1

answer

no

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2012-12-14 02:55:59 -0600 V.G.

Problem loading the jni lib with OCV Manager

2k

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1

answer

1

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2013-04-16 12:46:39 -0600 StevenPuttemans

matching causes assertion error (Features2d + Homography example) Android jni

17k

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1

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no

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2013-01-19 02:45:34 -0600 Vladislav Vinogradov

Why am I getting assertion failed in cvtColor even when convertTo was called in the line before?

586

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1

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no

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2013-03-08 13:55:35 -0600 rics

JNI call restarts the calling JAVA Activity

2k

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1

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no

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2013-03-18 12:24:06 -0600 Alexander Smorkalov

Problems using libnative_camera on Android

614

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1

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no

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2013-03-24 16:28:03 -0600 StevenPuttemans

release mat

10k

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1

answer

3

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2013-04-22 06:13:14 -0600 Vladislav Vinogradov

Returning a Mat from native JNI to Java

1k

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1

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no

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2013-05-12 04:59:00 -0600 Andrey Pavlenko

Building JNI for OpenCV in Android

933

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1

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no

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2013-08-28 23:21:47 -0600 utkarshmankad

87 questions

FaceRecognizer.java in Opencv4Android 2.4.3

JNI UnsatisfiedLinkError when running ant sample on Ubuntu

Build OpenCV for Java on Ubuntu 12.10

How to pass a MatOfKeyPoint and MatOfPoint2f to native code? (OpenCV 4 Android)

Unresolved inclusion in OpenCV+Android tutorial

How the libopencv_java.so is copy to the apk when it is used the static lib type?

opencv for desktop java

OpenCV4Android sample: "Type 'DetectionBasedTracker' could not be resolved"

Passing Bitmap to JNI

Is there a way to grab all the pixels of a matrix in Java, operate on every pixel, and then put them all back into the image, using only two JNI calls?

Use native OpenCV C++ camera in JNI call

FAST detection possible with OpenCV Manager on Android?

problem in cvtColor function

I can't compile JNI file

subtract color from Mat

Android Studio: OpenCV + NDK

minMaxIdx missing in the JNI interface?

Performance issues on porting warpPerspective into my project

OpenCV for Android (2.4.2): OpenCV Loader imports not resolved

Android: Native Opencv - cvtColor segfault

Wrapping OpenCV with desktop Java: Building for 64-bit x86

Problem loading the jni lib with OCV Manager

matching causes assertion error (Features2d + Homography example) Android jni

Why am I getting assertion failed in cvtColor even when convertTo was called in the line before?

JNI call restarts the calling JAVA Activity

Problems using libnative_camera on Android

release mat

Returning a Mat from native JNI to Java

Building JNI for OpenCV in Android

What would be an effective way to avoid out of memory in OpenCV android?

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