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12,357 questions
Tagged
583
views
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2019-08-08 20:03:16 -0600
caniko
cv2.undistortPoints: -215:Assertion failed; src seems to have an invalid format
Undistort
53
views
no
answers
no
votes
2016-04-26 05:37:00 -0600
salarra
How to fill the inner gaps of each part and segment to different parts
segmantation
130
views
no
answers
no
votes
2016-07-25 11:47:25 -0600
Mark Coker
Build failed MACOS [OpenCV 3.1.0] - QTKit.h File not found
QTKit.h
mac
opencv3.1
232
views
no
answers
no
votes
2015-03-29 09:07:04 -0600
RB
Descriptor Extractor causes errors
java
79
views
no
answers
no
votes
2015-07-04 10:11:17 -0600
zhuangwu
opencv for android---Can preview portrait
opencv
for
android
1k
views
no
answers
no
votes
2017-08-31 05:19:06 -0600
chibai
Is Opencv dnn module thread-safe
dnn
opencv_dnn
dnnopencvmodule
301
views
no
answers
no
votes
2014-02-10 03:21:59 -0600
Pibben
Working with aligned rows
alignment
278
views
no
answers
no
votes
2013-09-02 03:38:07 -0600
piaoye123
help LBP and Random Forest
LBP
random_forest
910
views
no
answers
3
votes
2015-03-11 10:31:32 -0600
PaoloPoli
How to create custom descriptor to use with Bag of words?
descriptors
SVM
BOW
algorithm
CvMat
customClassifier
607
views
no
answers
1
vote
2015-07-14 15:44:37 -0600
studentstudent
What is the distance used by K-nearest neighbour in opencv
c++
opencv
machinelearning
1k
views
no
answers
1
vote
2014-02-21 03:18:17 -0600
jcrose
How to multiply point3f with matx type
c++
matrix
vector
point
product
429
views
no
answers
no
votes
2018-12-01 07:47:31 -0600
alwindeleon
How to remove background in generated 3D model using reprojectImageTo3D?
3dreconstruction
Stereovision
stereocamera
stereoMatching
330
views
no
answers
1
vote
2015-03-10 06:16:05 -0600
mreko
VideoCapture(0) stuck on my mac(OSX 10.9.5 Python 2.7 OpenCV 2.4)!
python
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
3k
views
no
answers
no
votes
2013-10-19 22:44:54 -0600
joeish80829
Using cvLoad I get Unspecified error (The node does not represent a user object (unknown type?)) error
#opencv
#c
332
views
no
answers
no
votes
2017-05-13 09:34:18 -0600
Subarukun
Group rectangles for android
groupRectangles
945
views
no
answers
no
votes
2017-01-13 19:04:25 -0600
dineshlama
best image segmentation
image-segmentation
870
views
no
answers
no
votes
2013-12-22 01:42:10 -0600
Asaf
Getting NoClassDefFoundError for nMatToBitmap2 on some devices
#android#native
162
views
no
answers
no
votes
2019-03-26 09:11:11 -0600
hariprasad
Assertion failed(attribute_proto.ints_size()==2 in cv::dnn
c++#dnn#opencv
127
views
no
answers
no
votes
2016-03-13 20:18:25 -0600
dashiad
Unable to train an usable cascade
opecv
traincascade
createsamples
2k
views
no
answers
no
votes
2017-01-05 08:54:29 -0600
LDG
Extracting Contours from Image - Python
opencv3
opencv
python
contours
image-processing
77
views
no
answers
no
votes
2020-04-25 07:01:25 -0600
coolieinblue
How to change bgr values?
rgbvaluechange
161
views
no
answers
1
vote
2019-09-03 05:53:21 -0600
LiorA
Publish Android openCV Tutorial
android
822
views
no
answers
no
votes
2016-09-13 23:24:43 -0600
scholar
textdetection sample producing errors
c++
opencv
Text
detection
224
views
no
answers
no
votes
2014-09-22 10:42:11 -0600
FernandoCobo
gpu::FarnebackOpticalFlow
FarnebackOpticalFlow
351
views
no
answers
1
vote
2018-10-31 05:44:43 -0600
smidm
Why is angle orientation inconsistent?
angles
geometric-transform
ellipse
95
views
no
answers
no
votes
2016-09-13 08:58:46 -0600
eraserix
opencv_highgui creates new threads during static allocation
static
pthread_create
libusb
dc1394
274
views
no
answers
no
votes
2018-03-09 11:29:29 -0600
sgrossberndt
Need help optimizing training setup to detect all german traffic signs
opencv_traincascade
78
views
no
answers
no
votes
2019-09-05 10:00:43 -0600
wangkaijiang
compile opencv4.1.1 and qt with mingw3.2 meet 'chmod' is not internal command
opencvqt
6k
views
no
answers
no
votes
2015-04-28 13:22:40 -0600
jpistorino
How Many Images for Camera Calibration?
calibration
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