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29,830 questions
Tagged
450
views
2
answers
1
vote
2016-02-20 10:42:13 -0600
Eduardo
All points above a line
Line
image-processing
39k
views
2
answers
no
votes
2016-02-24 03:04:58 -0600
GANESH PRASAATH L
How to change BGR to RGB of a video frame using C /C++
copencv
libgtk2.0-dev
RGB
BGR
2k
views
2
answers
1
vote
2016-02-23 19:32:44 -0600
sai kethamakka
Parking slot detection
parking
opencv
programming
problems
help
1k
views
2
answers
no
votes
2016-02-29 05:14:29 -0600
MarKS9
OpenCV is built with CUDA but gpu::getCudaEnableDeviceCount() returns 0
CUDA
gpu
8k
views
2
answers
no
votes
2016-02-27 22:24:36 -0600
Guyygarty
Intersection of a contour and line in OpenCV c++?
c++opencv
1k
views
2
answers
no
votes
2016-02-27 23:29:50 -0600
berak
Trackbars on OSX (C++)
mac_OSX
trackbars
c++
5k
views
2
answers
no
votes
2016-03-02 14:47:00 -0600
Hernan Navarro
VideoCapture is not working in OpenCV 3.0.0 or the 3.1.0 in Windows 7
videocapture
rtsp
edges
1k
views
2
answers
1
vote
2016-02-29 18:26:58 -0600
Jaggz
What steps for recognizing book pages, and flattening them.
contours
edgedetection
mask
5k
views
2
answers
no
votes
2020-06-13 11:18:58 -0600
HYPEREGO
Passing an array of cv::GpuMat to a cuda kernel?
CUDA
opencv
gpumat
10k
views
2
answers
no
votes
2016-03-02 03:44:12 -0600
strann
No Makefile to build after cmake
installation
make
cmake
ubuntu14.04
359
views
2
answers
no
votes
2016-03-02 08:49:23 -0600
berak
What happened to cv2.NormalBayesClassifier python API?
tracking
NormalBayes
classification
2k
views
2
answers
no
votes
2016-03-03 01:55:16 -0600
Pulkit
printed circuit board component image recognition
recognition
11k
views
2
answers
no
votes
2016-03-09 08:47:54 -0600
Kelvin
AttributeError: 'module' object has no attribute 'face'
python
opencv
contrib_error
opencv_contrib
face
modules
3k
views
2
answers
no
votes
2016-03-07 04:44:51 -0600
Pedro Batista
Blurring non-rectangular region of an image, then downsample whole image
blurring
mask
downsample
image
region
c++
1k
views
2
answers
no
votes
2016-03-07 10:41:36 -0600
jmbapps
Detecting circles/ellipse/whatever in an image
c++
imageprocessing
956
views
2
answers
no
votes
2016-03-07 02:46:27 -0600
Saran
Entry point not found
visual-studio-2008
739
views
2
answers
1
vote
2016-03-07 06:05:45 -0600
andreivan
OpenCV4Android Camera Calibration sample error
android
opencv4android
calibrateCamera
calibration
1k
views
2
answers
no
votes
2016-03-08 03:19:35 -0600
cv_new
Color classification
java
Color
clustering
803
views
2
answers
1
vote
2016-03-09 04:30:00 -0600
Sriram Kumar
How can i cluster moving objects in a video ?
c++
opticalflow
clustering
8k
views
2
answers
no
votes
2020-02-20 00:12:25 -0600
syvlvester
Understanding the camera matrix
camera
matrix
focal
length
2k
views
2
answers
no
votes
2016-03-10 04:03:53 -0600
tuannhtn
Is there any way to decrease CPU usage of feature detector?
c++
DenseFeatureDetector
5k
views
2
answers
no
votes
2016-03-18 21:14:20 -0600
hydrazine
OpenCV python: face crop program
python
opencv
23k
views
2
answers
no
votes
2017-04-25 12:45:51 -0600
electron
Detecting Blue Color in this image
opencv
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
3k
views
2
answers
no
votes
2016-03-17 15:01:32 -0600
theodore
Watermarking algorithms in OpenCV?
digitalwatermarking
computervision
image-processing
augmentedReality
1k
views
2
answers
1
vote
2016-03-18 06:21:03 -0600
berak
Copy histogram of an image to another
histogram
specification
Noteworthy_Content
887
views
2
answers
no
votes
2016-03-18 03:38:36 -0600
Mathieu Barnachon
Moving object classification
object
detection
tracking
contours
opticalflow
2k
views
2
answers
2
votes
2016-03-17 16:47:08 -0600
kbarni
Parallel implementation of per pixel calculations
tapi
iterator
c++
opencv
gpu
opencl
1k
views
2
answers
no
votes
2016-03-19 08:12:27 -0600
Guanta
Scale variant feature matching
feature-detection
descriptors
ORB
12k
views
2
answers
1
vote
2017-05-17 11:10:56 -0600
sengsational
how to use opencv in android studio in native c++ code ??
opencv
androidStudio
android-ndk
Mat
c++
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