Questions - OpenCV Q&A Forum

3k

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4

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

FaceRecognizer.java in Opencv4Android 2.4.3

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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)

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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

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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?

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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?

833

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

FAST detection possible with OpenCV Manager on Android?

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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

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

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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

617

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1

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no

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

release mat

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

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

331

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1

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no

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2013-10-23 03:31:08 -0600 Daniil Osokin

How to use OpenCV with JNI

202

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1

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1

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2013-11-13 05:47:23 -0600 tenta4

OpenCV for Android

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1

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no

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2014-01-13 08:18:37 -0600 Daniil Osokin

Android: Problem passing BGRA Mat to JNI function with C++ background

1k

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1

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1

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2014-07-19 12:21:48 -0600 rwong

How pass Rect from Java code to Jni?

685

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1

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no

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2015-01-06 20:56:02 -0600 aid_daniel

opencv android sdk ini source code available,and where can I get it?

1k

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1

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no

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2015-03-04 17:59:25 -0600 bsm

How to initialize OpenCV libs on Android?

android
jni

896

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1

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no

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2015-03-03 16:23:41 -0600 SARGE553413

Problem adding function to OpenCV4Android: UnsatisfiedLinkError

5k

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1

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no

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2015-05-18 01:52:13 -0600 Jasdeep

queueBuffer: error queuing buffer to SurfaceTexture, -32 [closed]

290

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1

answer

1

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2015-06-07 01:04:00 -0600 sh

convertTo performance in Android native code

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1

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1

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2015-08-13 19:45:57 -0600 Yolteotl

51 questions

FaceRecognizer.java in Opencv4Android 2.4.3

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?

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?

FAST detection possible with OpenCV Manager on Android?

Android Studio: OpenCV + NDK

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

release mat

Building JNI for OpenCV in Android

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

How to use OpenCV with JNI

OpenCV for Android

Android: Problem passing BGRA Mat to JNI function with C++ background

How pass Rect from Java code to Jni?

opencv android sdk ini source code available,and where can I get it?

How to initialize OpenCV libs on Android?

Problem adding function to OpenCV4Android: UnsatisfiedLinkError

queueBuffer: error queuing buffer to SurfaceTexture, -32 [closed]

convertTo performance in Android native code

How to pass a ArrayList<MatOfPoint> for a jni C ++ function?

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