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12,357 questions
Tagged
1k
views
no
answers
no
votes
2014-08-19 14:55:04 -0600
VladTheImpala
Write out mat to stream / print to screen
cvSaveImage
stream
141
views
no
answers
no
votes
2014-09-13 12:10:22 -0600
hoba
OpenCV 3.0.0 alpha iOS
ios
alpha
3.0.0
128
views
no
answers
1
vote
2014-03-10 20:36:29 -0600
Dehuan Xin
Viola and Jones, Haar Detection, why scale image, not detector?
cvHaarDetectObjects
201
views
no
answers
no
votes
2016-04-05 03:03:23 -0600
KJR
Error compiling: detect_and_draw in opencv python
opencv
python
mouthdetection
82
views
no
answers
no
votes
2016-06-06 20:56:36 -0600
lovaj
How to use keypoints from another library to OpenCV?
SIFT
opencv
81
views
no
answers
no
votes
2015-10-20 03:32:29 -0600
BY
Why each element of the var_importance have the same value ? letter_recog.cpp opencv3.0 gold
letter-recognition
var_importance
440
views
no
answers
no
votes
2013-10-13 05:18:09 -0600
mariahuke
How to track object of known shape
object-tracking
Facedetection
2k
views
no
answers
no
votes
2014-10-17 01:36:43 -0600
lancelod
how to use createCLAHE in python's namesapce cv2?
deleted
391
views
no
answers
no
votes
2019-10-31 03:43:41 -0600
karthikkarra
Unable to execute the sample program
undefined_references
opencv_version
555
views
no
answers
no
votes
2016-06-28 03:15:16 -0600
WhoAmI
ORB with AGAST
ORB
ORBFeatureDescriptor
agast
398
views
no
answers
no
votes
2016-09-15 04:00:42 -0600
atv
Pre processing with tan trigs functions
opencv
preprocessing
810
views
no
answers
no
votes
2014-04-15 01:28:36 -0600
Soni
Regarding generation of bird's-eye (surround) view from images taken from fisheye lens camera
#stitcher
152
views
no
answers
no
votes
2020-02-22 20:30:48 -0600
supra56
The principle of cv::cudacodec::VideoReader
videoreader
1k
views
no
answers
no
votes
2015-03-29 06:04:51 -0600
woshijpf
How to Modify OpenCV4Android Source Code to support USB Camera On Android device
opencv4android
usb
camera
android
229
views
no
answers
no
votes
2013-07-28 14:52:32 -0600
jncor
Opencv APPs instalation
#AdaBoost
applications
#install
778
views
no
answers
no
votes
2018-06-19 10:01:14 -0600
Ahmed Osama
Line and Square removal using getStructuringElement and morphologyEx
python
opencv
794
views
no
answers
no
votes
2017-08-12 02:20:51 -0600
jayaise
Not able to use Axis IP Camera with OpenCV
ipcamera
177
views
no
answers
no
votes
2020-03-09 13:30:44 -0600
chendave
match() & knnMatch(): same trainIdx for different queryIdx
bfmatcher
match
knnmatch
1k
views
no
answers
no
votes
2018-01-16 04:10:02 -0600
MalfunctioningDroid
OpenCV OpenCL Thread Saftey - Deadlock (changing cv::Mat to UMat)
UMat
tapi
deadlock
threading
bug
398
views
no
answers
no
votes
2013-12-10 22:31:37 -0600
techlearner
How to extract Vein Pattern from these images in Opencv?
deleted
1k
views
no
answers
no
votes
2019-04-22 05:52:11 -0600
supra56
Interlaced frame - Presence of odd field's data in even fields
deinterlace
image-processing
opencv
python
344
views
no
answers
no
votes
2014-04-24 12:46:28 -0600
Buddhisthead
cv::pyrUp and cv::pryDown undefined symbols in arch armv7
iphone
ios
659
views
no
answers
no
votes
2013-10-12 05:11:09 -0600
and.ryx
Acquiring and Viewing frames in separate thread on android
android
thread
separate
view
acquire
205
views
no
answers
no
votes
2016-10-31 05:53:26 -0600
ebizbytes
Machine learning and object detection
objectdetection
object-tracking
object
1k
views
no
answers
1
vote
2013-11-14 09:33:22 -0600
GilLevi
Having difficulty with FFT and IFFT in opencv
FFT
Matlab
282
views
no
answers
no
votes
2019-03-11 11:19:33 -0600
jo-won
difference between SiftFeatureDetector and Ptr<FeatureDetector> featureDetector = FeatureDetector::create("SIFt")
memory_allocation
edges
451
views
no
answers
no
votes
2018-07-24 09:20:58 -0600
Kroll
Why does the namedWindow in member constructor freeze the application?
opencv
c++
Multithreading
1k
views
no
answers
no
votes
2014-08-20 12:58:47 -0600
AMH
How come Surf Detector is better than Sift in my code
SIFT
#surf
evaluation
feature_detector
166
views
no
answers
no
votes
2015-01-20 04:39:11 -0600
lyw8120
type wrong?
float
Count
number
172
views
no
answers
2
votes
2015-05-14 16:28:51 -0600
LBerger
MSER and param maxArea
MSER
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