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29,830 questions
Tagged
2k
views
no
answers
no
votes
2017-03-19 06:42:17 -0600
lhk
can't read mp4 with opencv
opencv3.2
python3
ubuntu
mp4
videocapture
979
views
no
answers
no
votes
2017-03-18 20:05:55 -0600
everphilski
break up contours found by findContours [closed]
canny
findContours
155
views
no
answers
-1
votes
2017-03-18 12:09:16 -0600
Asif.Adnan
Applying four color theorem in image of map/graph hand-drawn/computer-generated
computervision
opencv
python
7k
views
1
answer
no
votes
2017-03-18 07:16:04 -0600
berak
OpenCv calculate or convert the speed of a moving Object
opencv
image_processing
c++
1k
views
no
answers
no
votes
2017-03-18 06:15:11 -0600
Wael
opencv_ffmpeg320_64.dll error with mjpeg
ffmpeg
opencv
visualstudio2015
161
views
1
answer
no
votes
2017-03-17 23:05:30 -0600
berak
I am not able to run the LBPH file in opencv.
c++
opencv
facialrecognition
LBPH
325
views
1
answer
no
votes
2017-03-17 15:57:52 -0600
Wael
problem in cv::capture
opencv
videocapture
visual-studio-2015
3k
views
1
answer
no
votes
2017-03-17 12:46:01 -0600
Matheusft
ERROR using opencv_contrib with Python 3.x
opencv_contrib
python3
python
466
views
1
answer
no
votes
2017-03-17 12:24:41 -0600
etienne.demontalivet
Explaination about LDA class / methods
lda
Fisherfaces
278
views
no
answers
no
votes
2017-03-17 09:14:55 -0600
mirnyy
Rotation Matrix from recoverPose is not symmetric
opencv
recoverpose
rotation
extrinsic
orientation
symmetric
599
views
1
answer
no
votes
2017-03-17 09:07:28 -0600
LBerger
Dissecting Extracting Camera Projection Matrix to position and rotation
3dprojection
1k
views
1
answer
1
vote
2017-03-17 08:29:26 -0600
berak
How to load an image dataset
data
185
views
1
answer
no
votes
2017-03-17 07:02:50 -0600
abwahid
In FaceRecognizer, does arrangement of data in csv file affects training?
Gender
classification
FaceRecognizer
6k
views
1
answer
no
votes
2017-03-17 06:15:19 -0600
zelade
Python training custom object detector using the HOG + Linear SVM
python#opencv#
RaspberryPi
HOG
SVM
object_recognition
291
views
1
answer
no
votes
2017-03-16 21:03:33 -0600
Tetragramm
Camera selection for running ArUco
aruco
camera
pose-estimation
markerDetection
489
views
1
answer
no
votes
2017-03-16 20:53:47 -0600
Tetragramm
SolvePnp rvec suddenly begins to give opposite/unexpected values , is this observed before?
rvec
solvePnP
35k
views
1
answer
no
votes
2017-03-16 20:50:48 -0600
Tetragramm
From cv::Mat to saving image in a given format(png,jpeg...)
CvMat
1k
views
1
answer
no
votes
2017-03-16 13:15:08 -0600
adn
Missing ts from Release build
build
ts
tests
397
views
no
answers
no
votes
2017-03-16 11:19:01 -0600
iko79
TAPI -> no performance gain
tapi
331
views
1
answer
no
votes
2017-03-16 11:09:43 -0600
berak
cv::flip keeps throwing bad ptr exceptions [closed]
QImage
flip
5k
views
no
answers
no
votes
2017-03-16 10:10:28 -0600
Lafi
rtsp stream error video capture
rtsp
Livestream
CaptureVideo
opencvpython
346
views
no
answers
no
votes
2017-03-16 08:42:36 -0600
yorkhuang
Will the distribution of 3D coordinates affect the accuracy of solvePnP?
solvePnP
camera-pose
18k
views
2
answers
no
votes
2017-03-16 07:24:19 -0600
enxdtw
How to Draw Crosshairs/Marked Axes
drawing
Mat
c++
2k
views
2
answers
no
votes
2017-03-16 06:35:04 -0600
berak
Initialize MAT from pointer - help. [closed]
Mat
c++
opencv
pointer
camera
initializeMat
504
views
1
answer
no
votes
2017-03-16 05:55:54 -0600
berak
OpenCV: append different vectors as one row
matrix
1k
views
1
answer
no
votes
2017-03-16 05:32:59 -0600
berak
picamera alternative in openCV(C++)
c++
RPi
picamera
videocapture
python
755
views
no
answers
no
votes
2017-03-16 05:00:12 -0600
user12551
Building OpenCV 2.4 for arm64-v8a or x86_64 (CMake / make)
android
opencv
1k
views
1
answer
no
votes
2017-03-16 04:42:57 -0600
berak
upload GpuMat from memory pointer
camera
capture
gpu
CUDA
optimization
369
views
1
answer
no
votes
2017-03-16 04:18:35 -0600
khrizt
MatOfPoint image transportation
contours
MatOfPoint
42k
views
1
answer
1
vote
2017-03-16 03:28:50 -0600
berak
How to define the “lower” and “upper” range of a color?
RGB2HSV
HSV
mask
python
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