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83 questions
Tagged
edges
×
509
views
no
answers
no
votes
2019-05-27 11:36:49 -0600
vchill
Is there any function to create cuda context in opencv similar to what cuCtxCreate does from cuda library?
CUDA10.0
opencv
c++
edges
231
views
no
answers
no
votes
2019-05-31 07:22:11 -0600
Chan101
Ignore part of an image whilst detecting LED colour
computer-vision
colourdetection
computervision
edges
202
views
no
answers
no
votes
2019-06-03 06:54:20 -0600
BuenaVentura
Βlock Matching, setTextureThreshold()
stereoBM
setTextureThreshold
texture
filter
edges
555
views
no
answers
no
votes
2020-08-12 16:47:14 -0600
surcz
Imported module not shows up on 'Add Module Dependency' dialog
android
edges
256
views
no
answers
no
votes
2019-09-09 02:17:46 -0600
Rakesh_V
Getting error while compiling sampleDetectLandmarks.cpp [closed]
Facedetection
edges
154
views
no
answers
no
votes
2019-09-19 01:04:24 -0600
Mustafa Gönül
OpenCL: HDR Imaging
HDR
opencl
edges
308
views
no
answers
no
votes
2019-11-23 02:11:07 -0600
hardik patel
android face recognition
facerecognize
android
opencv
Facedetection
edges
481
views
no
answers
no
votes
2019-11-26 13:59:12 -0600
Rishan123
cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'
objectdetection
edges
461
views
no
answers
-1
votes
2019-11-28 04:09:41 -0600
carlcc
Resource not found: opencv_detector [closed]
resources
ros
edges
5k
views
1
answer
4
votes
2012-08-10 14:56:16 -0600
Tharaki
How to detect square in a video using c++ and opencv?
opencv
shape
edges
detection
3k
views
1
answer
1
vote
2012-09-05 13:00:39 -0600
Lucas Walter
What is the easiest way to display a cv::Mat in a decoration free full-screen window?
highgui
edges
860
views
1
answer
-1
votes
2012-09-26 06:01:19 -0600
Kirill Kornyakov
build openCV for android, without CUDA
opencv
android
mac
cmake
edges
1k
views
1
answer
no
votes
2013-02-16 02:22:33 -0600
Mathieu Barnachon
Find polygon in image (rotation-invariant)
featuredetector
edges
backlight
polygon
contour
338
views
1
answer
no
votes
2018-09-06 14:16:51 -0600
MikeTronix
Help:I am puzzled by cvCalcHist function,can you help me?Thank you
cvCalcHist
function
HIstgram
edges
1k
views
1
answer
2
votes
2016-11-07 22:41:20 -0600
Tetragramm
canny edge detection for 32 bit floats
canny
edge-detection
IPL_DEPTH_32F
8bit
edges
1k
views
1
answer
no
votes
2014-04-07 02:55:18 -0600
pj
extract point sequence of edge (a not enclosed contour)
contours
edges
631
views
1
answer
1
vote
2014-05-17 17:31:17 -0600
FooBar
Image matching in a large image collection
matching
edges
596
views
1
answer
no
votes
2014-10-27 04:41:45 -0600
R.Saracchini
When does cvEstimateRigidTransform recognise 2D point sets instead of images
C
documentation
affine
transformation
edges
2d-point
469
views
1
answer
no
votes
2015-02-26 14:37:59 -0600
matman
[Newbie] Can OpenCV find a straight boundary?
edges
boundary
9k
views
1
answer
no
votes
2016-02-10 09:00:36 -0600
FooBar
Reprojection error with opencv
opencv
calibration
reprojectionerror
edges
2k
views
1
answer
no
votes
2016-02-26 06:49:35 -0600
berak
How to calculate camera focal length in OpenCV
focallength
android
edges
1k
views
1
answer
2
votes
2016-02-26 17:57:41 -0600
sturkmen
eliminating edges
edges
boundingRect
reduce
Noteworthy_Content
206
views
1
answer
no
votes
2016-03-02 18:56:46 -0600
Tetragramm
Scan and find the length and breadth of object from iPhone camera
iphone
edges
328
views
1
answer
no
votes
2016-03-03 01:44:34 -0600
Pulkit
Matlab haar cascade opencv android compatibility
android
opencv
Matlab
Haar
edges
278
views
1
answer
no
votes
2016-03-04 19:18:46 -0600
Tetragramm
Comparing patterns on coins.
coin
recognition
pattern
edges
canny
feature
1k
views
1
answer
1
vote
2016-10-11 16:29:14 -0600
Gabriel Alacchi
Does OpenCV have a built in Edge Boxes implementation?
objectdetection
edges
90
views
1
answer
no
votes
2016-11-11 07:54:43 -0600
berak
I am working on recognition of faces in given videos with provided Data base.I am using createFisherFaceRecognizer() . But I am not getting Proper output. is it problem with Data base or the predict method, which i have used.
c++#opencv
edges
2k
views
1
answer
no
votes
2017-07-12 06:11:15 -0600
berak
I found this error while running sample cpp example facedetect.cpp 'undefiend reference to cv:
c++
Facedetection
edges
357
views
1
answer
1
vote
2017-08-21 08:06:08 -0600
chetanreddy
watershed algorithm to image with grey background
watershed
segmentation
grabcut
edges
687
views
1
answer
no
votes
2017-10-27 07:34:02 -0600
vbc
Opencv does have support SVM accuracy?
accuracy
edges
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