First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity ▲
answers
votes
29,830 questions
Tagged
598
views
2
answers
no
votes
2018-10-28 10:01:11 -0600
BALAKRISHANAN NAGARAJAN
How to concat Mat1's top half with Mat2's bottom half
vconcat
two
Mat
java
1k
views
no
answers
1
vote
2018-10-28 16:21:32 -0600
jbtr142
OpenCV 4.0 CNN for text detection
opencv4
890
views
1
answer
no
votes
2018-10-28 20:31:17 -0600
neppie
OpenCV 3 imgcodecs vs OpenCV 2 highgui - DLL size
dlls
opencv2
Opencv3.0
imgcodecs
highgui
9k
views
2
answers
2
votes
2018-10-29 02:16:10 -0600
Rengao Zhou
opencv 3 essentialmatrix and recoverpose
recoverpose
essential-matrix
1k
views
no
answers
no
votes
2018-10-29 03:12:23 -0600
prb
Tagging/annotating every frame in the video with the activity performed using OpenCV python
python
7k
views
2
answers
no
votes
2018-10-29 03:39:48 -0600
Rengao Zhou
findEssentialMat or decomposeEssentialMat do not work correctly
essential-matrix
decompose
recoverpose
108
views
no
answers
-2
votes
2018-10-29 03:51:48 -0600
yaniravia72
best method to track ping pong balls and 3 drones? [closed]
drone
colortracking
298
views
no
answers
-1
votes
2018-10-29 04:13:45 -0600
MAGMA
Can someone help me counting objects on shelf putting a border around that object?.. I am new to OpenCV
retail
1k
views
1
answer
-1
votes
2018-10-29 04:27:55 -0600
berak
OpenCV (Java) : Draw a rectangle region on Camera View
java
camera
roi
region
OCR
844
views
no
answers
no
votes
2018-10-29 04:32:01 -0600
hotteock
reprojectImageTo3D components mean?
reprojectImageTo3D
depth
disparity
488
views
1
answer
no
votes
2018-10-29 06:58:21 -0600
berak
Unable to generate Freeman chain code using OpenCv
machinelearning
c++
opencv
156
views
1
answer
-2
votes
2018-10-29 07:02:01 -0600
kbarni
Image recognition is possible or not? ?
androidopencvwin7
231
views
no
answers
no
votes
2018-10-29 08:12:58 -0600
mrath
Biased/constrained object pose in 2D
objectrecognition
templateMatch
feature-detection
opencv
python
1k
views
no
answers
1
vote
2018-10-29 11:28:18 -0600
kbarni
OpenCV in parallel threads
tbb
Multithreading
1k
views
no
answers
no
votes
2018-10-29 17:41:59 -0600
Adriano Santos
Segmentation fault (core dumped) - Python
segmentation
fault
python
ubuntu
486
views
no
answers
no
votes
2018-10-29 23:25:53 -0600
SULEIMMU
OpenCv Unknown exception in JNI code and then Empty JPEG image (DNL not supported) [closed]
jni
EmptyJPG
298
views
1
answer
no
votes
2018-10-30 03:06:45 -0600
berak
Training and prediction of class using SVM in OpenCv
c++
opencv
machinelearning
202
views
1
answer
no
votes
2018-10-30 06:46:41 -0600
berak
Unable to train SVM Model using a vector of 2D Points using openCv
c++
machine-learning
SVM
64k
views
1
answer
no
votes
2018-10-30 07:17:55 -0600
supra56
How to use Gstreamer pipeline in OpenCV ?
gstreamer
opencv
python
pipeline
Video
import
1k
views
1
answer
no
votes
2018-10-30 09:51:29 -0600
kbarni
What is the best value for thresholding for bimodal histogram
Thresholding
bimodal
3k
views
1
answer
no
votes
2018-10-30 09:53:57 -0600
berak
Unhandled exception at 0x000007FEFD87A06D in ConsoleApplication1.exe: Microsoft C++ exception: cv::Exception at memory location 0x000000000013F000. occurred
Unhandled
memory
location
67
views
no
answers
-1
votes
2018-10-30 13:24:28 -0600
forhadsidhu
How to seperate ear region from face portion [closed]
image-recognition
2k
views
1
answer
no
votes
2018-10-30 13:24:37 -0600
Grieverheart
Incorrect Video Orientation
c++
Video
videofile
orientation
18k
views
1
answer
no
votes
2018-10-30 15:30:50 -0600
LBerger
how to decode by imdecode
imdecode
None
python3
cv2
200
views
no
answers
no
votes
2018-10-31 01:15:27 -0600
Programming_Enthusiast
Writing your own freeman chain code without using openCv
Freeman
c++
opencv
machine-learning
1k
views
no
answers
no
votes
2018-10-31 01:36:50 -0600
Ops
Python - Filter contour by shape (find circles after HSV filtering)
python#contours
5k
views
1
answer
no
votes
2018-10-31 02:33:26 -0600
berak
I got a error "Incorrect type of self (must be 'Feature2D' or its derivative)" from line7(keypoints~~)
error
blob
463
views
no
answers
no
votes
2018-10-31 03:47:35 -0600
Anil Patel
Load and run tensorflow simple audio recognition demo
dnn
opencv_dnn
tensorflow
ml
audio
318
views
no
answers
1
vote
2018-10-31 05:44:43 -0600
smidm
Why is angle orientation inconsistent?
angles
geometric-transform
ellipse
2k
views
2
answers
no
votes
2018-10-31 06:11:25 -0600
berak
opencv_java400.dll: Can't find dependent libraries on windows server
java
« previous
1
...
816
817
818
819
820
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×5
opencv
×5
python
×4
java
×3
essential-matrix
×2
machinelearning
×2
machine-learning
×2
recoverpose
×2
Video
×2
androidopencvwin7
×1
angles
×1
audio
×1
bimodal
×1
blob
×1
camera
×1
colortracking
×1
cv2
×1
decompose
×1
depth
×1
disparity
×1
dlls
×1
dnn
×1
drone
×1
ellipse
×1
EmptyJPG
×1
error
×1
fault
×1
feature-detection
×1
Freeman
×1
geometric-transform
×1
gstreamer
×1
highgui
×1
image-recognition
×1
imdecode
×1
imgcodecs
×1
import
×1
jni
×1
location
×1
Mat
×1
memory
×1
ml
×1
Multithreading
×1
None
×1
objectrecognition
×1
OCR
×1
opencv2
×1
Opencv3.0
×1
opencv4
×1
opencv_dnn
×1
orientation
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
