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1,159 questions
Tagged
java
×
1k
views
1
answer
1
vote
2019-06-13 23:51:29 -0600
berak
Java - Mat subtract returns all black image
java
Mat
Opencvcore
701
views
1
answer
-1
votes
2019-11-23 02:06:29 -0600
Akhil Patel
Detect all Countour not an only Rectangle
java
countour
opencv
drawcontour
471
views
1
answer
no
votes
2019-07-03 07:26:10 -0600
rom
VideoWriter problem - video not playable (java)
java
VideoWirter
noplan
449
views
1
answer
no
votes
2019-07-25 04:15:24 -0600
vinio
OpenCV throws exception when calling Mat.put() with direct bytebuffer
Mat
ByteBuffer
CV_8UC3
java
2k
views
1
answer
no
votes
2019-07-29 13:08:44 -0600
berak
HSV values in openCV
HSV
java
android
1k
views
1
answer
no
votes
2019-08-16 09:01:48 -0600
LiorA
kmeans in Android (Java)-
java
kmeans
625
views
1
answer
-1
votes
2019-10-24 20:26:15 -0600
shuaizhang
copyTo don't work
copyTo
java
android
226
views
1
answer
-1
votes
2020-01-02 06:11:24 -0600
GabrielLuke
Need help in recognising the image for face recognition app using OpenCV
FaceRecognition
java
1k
views
1
answer
no
votes
2019-10-31 11:07:09 -0600
wade wang
Why my App crashes when i applied Imgproc.resize
Imgproc.resize
android
java
694
views
1
answer
no
votes
2019-11-06 01:03:06 -0600
berak
Imgproc.undistort() seems missing in OpenCV4
java
opencv4
799
views
1
answer
no
votes
2019-11-11 02:01:19 -0600
berak
Phash Algorithm in img_hash
android
java
phash
hash
img_hash
1k
views
1
answer
no
votes
2019-11-14 08:14:34 -0600
berak
How to copy a mat object to a integer 2D matrix in opencv java ?
java
1k
views
1
answer
1
vote
2019-11-12 12:00:52 -0600
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
522
views
1
answer
no
votes
2019-12-08 07:24:50 -0600
berak
How to calculate the value of the glcm feature?
GLCM
classification
java
3k
views
1
answer
no
votes
2020-01-03 07:05:22 -0600
supra56
java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]
opencv
java
tutorial
4k
views
1
answer
no
votes
2020-01-24 09:44:22 -0600
robertodaza
VideoCapture (0) does not work in mac Catalina. The program crashed
java
Eclipse
macos10.15.2
catalina
opencv3.4.5
videocapture
2k
views
1
answer
1
vote
2020-01-29 02:58:57 -0600
berak
Face recognition app for android (OpenCV)
android
java
opencv
Facedetection
FaceRecognizer
348
views
1
answer
no
votes
2020-02-25 07:36:31 -0600
rm_ein
OpenCV 4.2: The method drawFrameAxes​(Mat, Mat, Mat, Mat, Mat, float) is undefined for the type Calib3d
java
opencv4.2
4k
views
1
answer
no
votes
2020-02-27 09:06:05 -0600
PressedTin
How do I get 0-255 RGB values from an RGBA mat?
android#studio
Mat
java
1k
views
1
answer
no
votes
2020-03-23 17:51:04 -0600
ssokolow
Find only internal contours in JavaCV/OpenCV
findContours
javacv
contours
java
opencv
1k
views
1
answer
no
votes
2020-03-17 15:01:25 -0600
DrThrax
Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F
java
opencv
BRISQUE
2k
views
1
answer
no
votes
2020-03-28 05:49:53 -0600
otoker
Displaying UDP Multicast Stream
java
udp
CaptureVideo
410
views
1
answer
1
vote
2020-06-12 06:51:33 -0600
Miorii
ORB model conversion from python to java
ORB
python
java
550
views
1
answer
no
votes
2020-06-29 01:24:54 -0600
berak
lheibph = LBPHFaceRecognizer.create();
face
java
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)?
java
arm
jni
2k
views
1
answer
-1
votes
2020-07-11 08:15:46 -0600
berak
how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'
java
opencv
376
views
1
answer
no
votes
2020-11-14 05:38:21 -0600
sturkmen
opencv3.3.1 with jdk 1.8 FaceDetect error
java
Facedetection
448
views
1
answer
2
votes
2020-11-26 02:57:24 -0600
berak
Trying to use MultiBandBlender in Java
MultiBandBlender
java
856
views
1
answer
no
votes
2020-11-27 12:25:17 -0600
berak
Reduce frame resolution
resolution
java
android
1k
views
1
answer
no
votes
2020-11-30 03:48:01 -0600
jaqueline.schweigert
OpenCV 4.5.0 Compile errors
installation
opencv4.5.0
java
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