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29,830 questions
Tagged
29k
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5
answers
3
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2014-06-30 07:54:17 -0600
keyvan
Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters
cascadeclassifier
object-detection
openCV-2.4.4
opencv_traincascacde
46k
views
5
answers
3
votes
2015-11-19 14:28:20 -0600
matman
What is the best practise for passing cv::Mats around
#Mat
12k
views
5
answers
1
vote
2013-07-22 00:20:02 -0600
Pinky
error in train casacde
#traincascade
#opencv
cvHaarCascadeClassi
cvhaardetectobject
23k
views
5
answers
no
votes
2015-05-05 08:10:16 -0600
Phil Hu
Building Library using Visual Studio 2013
VS2013
cmake
33k
views
5
answers
2
votes
2014-10-01 22:46:11 -0600
Haris
How to remove black background from grabcut output image in OpenCV android ?
grabcut
alpha
Split
merge
RGBA
Noteworthy_Content
12k
views
5
answers
3
votes
2014-04-04 10:24:09 -0600
ZachGarner
How do I run opencv_createsamples with multiple positive images?
opencv_createsamples
9k
views
5
answers
1
vote
2016-11-01 07:42:22 -0600
AlaaM
Opencv static link error
arm
cross-compilation
2k
views
5
answers
1
vote
2015-08-28 05:44:03 -0600
tonicze
How do you use OpenCV TLD from Python?
opentld
tld
11k
views
5
answers
1
vote
2015-02-05 17:18:22 -0600
theodore
How to remove line on music sheet
linedetection
Noteworthy_Content
Perfect_Solution
65k
views
5
answers
no
votes
2015-07-17 12:10:02 -0600
wunjo
Problems with the video writer in OpenCV-3.0.0
cv2.VideoWriter
9k
views
4
answers
6
votes
2012-07-05 07:03:38 -0600
Michael Burdinov
Area of a single pixel object in OpenCV
opencv
python
contours
area
51k
views
4
answers
2
votes
2012-10-02 05:53:47 -0600
V.G.
build problems for android_binary_package - Eclipse Indigo, Ubuntu 12.04
build
error
opencv
android
Eclipse
34k
views
4
answers
8
votes
2014-07-11 18:05:03 -0600
Witek
How to read directory with images by VideoCapture?
videocapture
io
8k
views
4
answers
2
votes
2013-03-05 21:48:07 -0600
Jevin
OpenCV with Qt support namedWindow crash
namedwindow
highgui
qt
4k
views
4
answers
1
vote
2013-05-17 09:16:19 -0600
PitOn
Error when importing the iOS framework
ios
7k
views
4
answers
5
votes
2013-07-05 06:45:46 -0600
jensenb
rectify fisheye stereo setup
Rectification
fisheye
stereo
8k
views
4
answers
2
votes
2013-01-02 19:23:03 -0600
rasharm_msft
Windows 8 Metro apps
windows-8
metro
5k
views
4
answers
no
votes
2019-10-12 20:33:54 -0600
wade wang
Is it possible to use front camera with 2.4.2 for android? [closed]
front
facing
camera
20k
views
4
answers
6
votes
2012-10-02 06:02:18 -0600
V.G.
object detection using SURF & FLANN
SURF
flann
matching
8k
views
4
answers
1
vote
2013-06-15 15:52:19 -0600
jayrambhia
OpenCV libraries with c++ in ubuntu
ubuntu
11.10
11k
views
4
answers
3
votes
2015-11-22 04:01:22 -0600
Philipp Wagner
image data processing in cv::Mat
image
processing
16k
views
4
answers
1
vote
2016-02-24 03:01:06 -0600
GANESH PRASAATH L
Linking OpenCV 2.4.2 with Visual Studio 2012
Opencv2.4.2
21k
views
4
answers
3
votes
2019-03-11 10:46:04 -0600
twasnow
How do the rho and theta values work in HoughLines?
HoughLines
Rho
Theta
Hough
3k
views
4
answers
1
vote
2012-11-21 04:24:41 -0600
theodore
using Kalman Filter
KalmanFilter
27k
views
4
answers
6
votes
2019-10-29 21:29:41 -0600
supra56
Smoothing with a mask
smooth
blur
median
mask
blurring
10k
views
4
answers
5
votes
2015-05-26 01:32:51 -0600
beahacker
TLD Tracker (aka Predator)
tld
tracker
predator
13k
views
4
answers
6
votes
2016-12-04 07:46:21 -0600
Adi
how to sum a 3 channel matrix to a one channel matrix?
convert
Channels
46k
views
4
answers
7
votes
2013-04-15 22:01:59 -0600
aiming_high
What is a good thinning algorithm for getting the "skeleton" of characters for OCR?
Thinning
Normalization
neural_networks
OCR
64k
views
4
answers
2
votes
2014-07-06 18:31:00 -0600
pimartos
Ip / network camera access.
ip
Network
camera
Video
5k
views
4
answers
1
vote
2012-11-12 07:33:36 -0600
Alexander Smorkalov
Building OpenCV 2.4.3 as 32 bit lib
32bit
build
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