Questions - OpenCV Q&A Forum

158

views

no

answers

no

votes

2019-01-09 21:17:58 -0600 reasonsolo

Opencv-dnn's erformance declined significantly on Android with JNI

654

views

no

answers

no

votes

2019-04-17 01:36:29 -0600 berak

c++ code of opencv project , run by java jni

454

views

no

answers

no

votes

2019-05-17 00:59:03 -0600 saniket123

java: symbol lookup error: undefined symbol: _ZN2cv3Mat20updateContinuityFlagEv

257

views

no

answers

no

votes

2019-05-18 13:01:26 -0600 thadaBoy

How to fix 'only black frames receiving' in Android with OpenCV

2k

views

2

answers

1

vote

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

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

2k

views

1

answer

1

vote

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

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

3k

views

2

answers

1

vote

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

Passing Bitmap to JNI

3k

views

4

answers

1

vote

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

FaceRecognizer.java in Opencv4Android 2.4.3

833

views

2

answers

1

vote

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

FAST detection possible with OpenCV Manager on Android?

192

views

no

answers

1

vote

2013-10-28 07:33:35 -0600 Haris

Android OpenCV Which is prefered Native C++ or Java API

202

views

1

answer

1

vote

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

OpenCV for Android

1k

views

1

answer

1

vote

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

How pass Rect from Java code to Jni?

290

views

1

answer

1

vote

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

convertTo performance in Android native code

2k

views

1

answer

1

vote

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

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

1k

views

1

answer

1

vote

2020-07-17 14:53:12 -0600 George Profenza

How to use OpenCV 4 in Java on Raspberry PI (armv6 and armv7 Raspian)?

6k

views

2

answers

2

votes

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

Unresolved inclusion in OpenCV+Android tutorial

837

views

1

answer

2

votes

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

Performance issues on porting warpPerspective into my project

3k

views

1

answer

2

votes

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

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

4k

views

2

answers

2

votes

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

views

2

answers

2

votes

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?

11k

views

2

answers

2

votes

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

subtract color from Mat

5k

views

1

answer

2

votes

2015-10-31 13:20:00 -0600 ConorB

OpenCV Android - Cannot Resolve Corresponding JNI Function

10k

views

1

answer

3

votes

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

Returning a Mat from native JNI to Java

4k

views

4

answers

4

votes

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

JNI UnsatisfiedLinkError when running ant sample on Ubuntu

2k

views

no

answers

5

votes

2013-04-24 04:10:38 -0600 peanutman

Can the Java interface pass a Mat to OpenCV's C interface via JNI

1k

views

2

answers

6

votes

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

opencv for desktop java

5k

views

1

answer

9

votes

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

87 questions

Opencv-dnn's erformance declined significantly on Android with JNI

c++ code of opencv project , run by java jni

java: symbol lookup error: undefined symbol: _ZN2cv3Mat20updateContinuityFlagEv

How to fix 'only black frames receiving' in Android with OpenCV

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

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

Passing Bitmap to JNI

FaceRecognizer.java in Opencv4Android 2.4.3

FAST detection possible with OpenCV Manager on Android?

Android OpenCV Which is prefered Native C++ or Java API

OpenCV for Android

How pass Rect from Java code to Jni?

convertTo performance in Android native code

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

How to use OpenCV 4 in Java on Raspberry PI (armv6 and armv7 Raspian)?

Unresolved inclusion in OpenCV+Android tutorial

Performance issues on porting warpPerspective into my project

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

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

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?

subtract color from Mat

OpenCV Android - Cannot Resolve Corresponding JNI Function

Returning a Mat from native JNI to Java

JNI UnsatisfiedLinkError when running ant sample on Ubuntu

Can the Java interface pass a Mat to OpenCV's C interface via JNI

opencv for desktop java

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

Links

Contributors

Tags