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29,830 questions
Tagged
2k
views
no
answers
no
votes
2014-03-23 05:26:31 -0600
berak
key frame extraction [closed]
python
1k
views
no
answers
no
votes
2014-03-23 05:22:41 -0600
berak
How to cast Mat to IplImage in JAVA?
Mat
IplImage
javacv
1k
views
1
answer
no
votes
2014-03-23 03:13:25 -0600
Melgor
Adaptive threshold
adaptiveThreshold
47k
views
5
answers
1
vote
2014-03-23 00:55:37 -0600
Kevin Infante
libpng warning: Image width is zero in IHDR
opencv
libpng
warning
error
212
views
no
answers
no
votes
2014-03-22 15:21:01 -0600
na
set fixed fps using openCV4android
android
fps
image-processing
303
views
no
answers
no
votes
2014-03-22 12:51:23 -0600
Chamonchi
Laplacian filter and parameters
java
laplacian
OpenCV2.4.6
Imgproc
168
views
1
answer
no
votes
2014-03-22 11:11:12 -0600
GrumbleLion
i need help with dealing with wrap affine can sombody help me plz
#opencv#c++
418
views
no
answers
no
votes
2014-03-22 10:41:38 -0600
gap
how to build a simple image database in OpenCV?
database
image
opencv
create
2k
views
1
answer
no
votes
2014-03-22 07:02:58 -0600
Guanta
How to keep negative value when i use substract?
opencv
substract
155
views
no
answers
no
votes
2014-03-22 05:52:41 -0600
agn.es
clojure with Windows 7 x64
clojure
windows-7
install
111
views
no
answers
no
votes
2014-03-22 05:25:20 -0600
wiz791
Unhandled Exception for every ocl::* function I use
ocl
#OpenCL
exception
563
views
no
answers
no
votes
2014-03-22 01:11:06 -0600
Luek
Improve HoughLine accuracy from edges
HoughLines
2k
views
2
answers
1
vote
2014-03-21 13:56:16 -0600
berak
How to implement filters ?
image
imageprocessing
computervision
android
Noteworthy_Content
700
views
no
answers
no
votes
2014-03-21 11:51:18 -0600
alexx_m87
Error in every OpenCV sample for android
#android
windows-7
opencv-samples
2k
views
1
answer
no
votes
2014-03-21 10:14:37 -0600
samduke474
Specify libc++ when compiling/linking OpenCV for MacOSX 10.8
MacOSX
MacOSX10.8
libstdc++
libc++
316
views
no
answers
no
votes
2014-03-21 10:12:08 -0600
channing
can not run Imgproc.Findfeatures: AndroidRuntime FATAL exception: Thread
opencv
Androidruntime
fatal
215
views
1
answer
no
votes
2014-03-21 09:51:11 -0600
John Smith
if opencv_traincascade learning crashed
#opencv#traincascade
320
views
no
answers
no
votes
2014-03-21 07:51:25 -0600
zaaa
Using Optical flow to track colour markers
calcOpticalFlowPyrLK
tracking
markers
corners
3k
views
2
answers
no
votes
2014-03-21 06:42:04 -0600
chandran
findChessBoardCorners work on some images but fail in others
opencv
checkerdboard
corners
chessboard
272
views
no
answers
no
votes
2014-03-21 04:04:01 -0600
Victor Mondejar
Descriptors evaluation criterion [closed]
descriptor
keypoint
matching
evaluation
431
views
no
answers
no
votes
2014-03-21 01:55:49 -0600
Samuel
Get histogram of RGB image combined or how to store Vec3b in a map?
histogram
Vec3b
444
views
no
answers
no
votes
2014-03-20 18:33:09 -0600
WigglesTehPro
scan only the lower half of a ROI?/ ROI within an ROI? [closed]
#facedetection
#Haar
#ROI
3k
views
1
answer
no
votes
2014-03-20 18:00:41 -0600
Safari
ANPR Algorithm example using OpenCV
ios
416
views
1
answer
1
vote
2014-03-20 15:01:23 -0600
Will Stewart
suggestion for a suitable android device
android
neon
opencv
object
tracking
segmentation
14k
views
no
answers
no
votes
2014-03-20 14:43:20 -0600
maddy1445
OpenCV Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor, file ..\..\..\..\opencv\modules\imgproc\src\color.cpp, line 3648
#opencv#qt
3k
views
1
answer
no
votes
2014-03-20 13:34:37 -0600
FraserT
How to calculate the position of the camera from an image
#opencv
#c++
#camera
#position
92
views
no
answers
no
votes
2014-03-20 12:39:44 -0600
rk
building opencv in android had an error in windows
#android
4k
views
2
answers
no
votes
2014-03-20 10:32:14 -0600
mg1906
matlab gradient() to C++
derivative
sobel
103
views
no
answers
no
votes
2014-03-20 09:22:11 -0600
tbarat
meanshift strange for loop
mean-shift
174
views
no
answers
no
votes
2014-03-20 08:54:18 -0600
roland_sgn
shape detection with given patterns
shape
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