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12,357 questions
Tagged
762
views
no
answers
1
vote
2014-05-21 01:31:22 -0600
abcd_ca
For what reasons can VideoWriter open() return false? Need help debugging.
videowriter
160
views
no
answers
no
votes
2015-03-11 10:06:25 -0600
ElizavetaElagina
What images are recognized best with template matching
templates
recognition
168
views
no
answers
no
votes
2015-04-16 16:49:51 -0600
Joblo
Big problem when I build with arm-linux-gnueabi compiler (linux)
linux
opencv
arm
c++
compile
483
views
no
answers
no
votes
2015-04-13 02:01:37 -0600
kaizen95
How to read the capture pin signal on the opencv-python
python
camera
webcam
162
views
no
answers
no
votes
2017-05-09 16:39:52 -0600
uatkld
Are there current step by step instructions on how to build opencv source with contributing modules?
build
229
views
no
answers
no
votes
2016-02-27 13:03:45 -0600
Swooshftw
Tracking Contours from a ROI
object-tracking
1k
views
no
answers
no
votes
2020-05-26 01:17:05 -0600
berak
How to use FindHomography (parameters) in opencv android studio?
opencv
2k
views
no
answers
no
votes
2015-03-06 09:20:41 -0600
Balam
Problem in building opencv_contrib with opencv-3.0.0-alpha
build-error
1k
views
no
answers
no
votes
2017-06-20 01:06:57 -0600
asobti
Tensorflow YOLO module in OpenCV 3.2
dnn
yolo
3k
views
no
answers
no
votes
2015-11-10 14:21:29 -0600
Gkan
Opencv3 and Python 2.7 on Virtual Enviorement - AttributeError: 'module' object has no attribute 'createLBPHFaceRecognizer'
FaceRecognizer
createLBPH
venv
python2.7
4k
views
no
answers
no
votes
2016-04-28 06:41:07 -0600
WhoAmI
Cannot load info library for OpenCV
opencv4android
android
opencv
678
views
no
answers
no
votes
2015-07-09 03:17:21 -0600
Kailegh
Best method to recognize objects?
c++
objectrecognition
classifier
traffic
188
views
no
answers
no
votes
2019-01-08 02:18:11 -0600
hahah
Measurement of actual object size
measurement
of
actual
object
size
1k
views
no
answers
no
votes
2017-12-21 02:47:37 -0600
Asgarod
Python SimpleBlobDetector.detect() is very slow with big images and can crash
blob-detection
blob-detector
BlobDetection
3k
views
no
answers
1
vote
2015-02-11 06:53:49 -0600
margaridamfo.gomes
Can't write .mp4 files - Could not open codec 'libx264': Unspecified error
c++
MPEG
codec
mp4
libx264
118
views
no
answers
no
votes
2016-05-22 11:37:21 -0600
Meng Wang
Photo.createTonemap in opencv4android
opencv4android
HDR
Tonemap
536
views
no
answers
no
votes
2015-08-05 02:42:47 -0600
Ryang
Error occurred during running time. cvHoughLines2
HoughLines
error
342
views
no
answers
no
votes
2018-01-19 03:59:41 -0600
Andrea
Cuda ORB Descriptors problem
ORB
CUDA
164
views
no
answers
no
votes
2019-03-24 20:34:04 -0600
PraveenRG
I had tried to build opencv source file but it it shows the errors as given in scheenshot
opencvbuild
251
views
no
answers
no
votes
2016-04-04 05:40:51 -0600
NathanSn
ml::TrainData responses difference between type CV_32F and CV_32S
ml
trainData
datatype
482
views
no
answers
no
votes
2019-04-29 05:41:45 -0600
sentientnativeplant
How does the Gunnar Farneback algorithm find displacement?
opticalflow
927
views
no
answers
no
votes
2019-09-13 02:49:00 -0600
MHZ
Color detection and OCR
python
opencv
445
views
no
answers
no
votes
2016-08-11 08:29:04 -0600
tiagojc
Bronken link for OpenCV 2.3.0
opencv
2.3.0
120
views
no
answers
no
votes
2018-06-22 07:36:14 -0600
krishnap152
Black screen pop ups when running using spyder.
BlackScreen
3k
views
no
answers
no
votes
2017-12-08 17:02:52 -0600
Rbt
How I can get the input/output layer shape from dnn::Net object?
dnn
c++
65
views
no
answers
no
votes
2018-01-29 07:58:26 -0600
Susnigdha
OpenCv unable to extract Features from images that are scaled in Java
scaledImage
187
views
no
answers
-2
votes
2016-08-02 06:07:27 -0600
shek
How can i get the second image using opencv or image processing
segmentation
213
views
no
answers
-1
votes
2019-08-07 10:12:05 -0600
TheIndieStation
Image recognition with a single reference picture
image-recognition
205
views
no
answers
no
votes
2015-07-24 05:59:42 -0600
bjorn89
Speed up mosaicing using only a part
mosaicing
stitch
Rect
2d-point
1k
views
no
answers
no
votes
2015-12-08 03:05:51 -0600
Michael Brown
Combining OpenCV with Gphoto2 codes
opencv
debian
gphoto2
cmake
canon
RaspberryPi
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