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29,830 questions
Tagged
430
views
no
answers
no
votes
2019-07-25 01:27:15 -0600
ibrahim_5403
Error in loading .pb file from readNetFromTensorflow?
dnn
c++dnnopencv
opencvpython
readNetFromTensor
476
views
no
answers
no
votes
2019-08-06 06:53:42 -0600
kavikode
use surf (part of opencv-contrib,module xfeatures2d) in opencv.js
js
OpenCV.js
SURF
SIFT
feature-matching
10k
views
1
answer
no
votes
2020-03-10 23:17:14 -0600
frankcarey
TypeError: Expected cv::UMat for argument 'img'
2d-image
cv2
numpy
edgedetection
447
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
614
views
no
answers
no
votes
2019-07-25 07:14:33 -0600
christophe_nguyen
Jetbrains / Clion & OpenCv Installation
install
227
views
1
answer
no
votes
2019-07-25 10:51:21 -0600
holger
newbie question: working with higher dimensional mat [closed]
dnn
Mat
dimensionality
106
views
no
answers
no
votes
2019-07-25 21:00:23 -0600
rkandury
findContours function in C++ not giving same number as Python
FindContour
1k
views
no
answers
no
votes
2019-07-26 01:22:09 -0600
sahilrider
How to use opencv_contrib functions?
install
1k
views
1
answer
no
votes
2019-07-26 04:08:42 -0600
Pain
How to calculate face recognition rate and choose threshold when using LBPHFaceRecognizer in OpenCV
FaceRecognition
810
views
no
answers
no
votes
2019-07-26 07:16:16 -0600
supra56
Windows 10 building openCV.js
opencvjs
775
views
no
answers
no
votes
2019-07-26 08:06:15 -0600
Uday
How to read video from Thorlabs DCC1545M camera using opencv python
camera
python
microsoft_visual
414
views
no
answers
no
votes
2019-07-26 09:14:18 -0600
Raki
What's the frame OpenCV uses?
stereo-calibration
monocular
CameraFrames
transformations
backprojection
project3dToPixel
494
views
1
answer
no
votes
2019-07-26 10:46:12 -0600
holger
OpenCL Performance (or lack of)
opencv
opencl
UMat
1k
views
no
answers
no
votes
2019-07-26 12:41:35 -0600
antithing
Fisheye undistorted image, does the camera matrix change?
aruco
fisheye
calibration
122
views
no
answers
no
votes
2019-07-27 01:21:55 -0600
vishwesh5
EXE Installer Creation for OpenCV 4.1.0
installation
windows
4.1.0
779
views
no
answers
no
votes
2019-07-27 16:00:38 -0600
stiv-yakovenko
undefined reference to cv::cuda::dft
cmake
linux
opencv
Linking
2k
views
1
answer
no
votes
2019-07-29 13:08:44 -0600
berak
HSV values in openCV
HSV
java
android
45
views
no
answers
no
votes
2019-07-28 07:21:06 -0600
imcoming
Some question about translation matrix?
translationMatrix
90
views
no
answers
no
votes
2019-07-28 15:47:36 -0600
tsenst
Reason for limitation in EdgeAwareInterpolator to max_short matches
ximgproc
4k
views
1
answer
no
votes
2019-07-28 17:46:14 -0600
Ardillatactica
Exception in thread "main" java.lang.NoClassDefFoundError: org/opencv/core/Core
error
main
257
views
no
answers
no
votes
2019-07-29 13:08:36 -0600
me16b001
Threshold the image for particle counting without splitting/fragmenting the particles
particlecount
threshold
counting
84
views
no
answers
no
votes
2019-07-29 00:50:21 -0600
marcius23
Making touchable/interactive surface [closed]
tags_deleted
86
views
no
answers
no
votes
2019-07-29 03:20:32 -0600
Vizier87
Unwanted autocrop in video feed
ueye
Cockpit
836
views
1
answer
no
votes
2019-08-13 16:29:43 -0600
Hordon
Linker error only with DNN module
opencv
c++
mac
2k
views
no
answers
no
votes
2019-07-29 08:11:10 -0600
Aaron Zettler
Cross compiling OpenCV for a ARM based linux system (Xilinx)
linux
ubuntu14.04
opencv
static
arm
xilinx
404
views
1
answer
no
votes
2019-07-30 06:57:49 -0600
manef
problem while load trained svm android
classifier
android
opencv
329
views
1
answer
no
votes
2020-03-29 06:08:41 -0600
ComputerVisionary
Training Haar cascades for face detection..
haartraning
Facedetection
trainData
182
views
no
answers
no
votes
2019-07-30 15:48:55 -0600
charliebryant
selecting an object surrounded by objects of similar colour
python
colour
segmentation
2k
views
1
answer
no
votes
2019-08-03 18:36:23 -0600
EmDash00
Undefined ld references when building from source
4.1.1
Buidling
build-error
RasPi
286
views
no
answers
no
votes
2019-07-30 09:05:06 -0600
huckw
Quickly draw MSER region (in Java) [closed]
MSER
binary
mask
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