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29,830 questions
Tagged
713
views
no
answers
no
votes
2019-12-24 07:27:20 -0600
Dimitar TB
How do I create a 3D map of keypoints from a single camera?
SLAM
3dreconstruction
c++#opencv
146
views
no
answers
no
votes
2019-12-24 02:43:28 -0600
azkaaprianta
MACE face authentication always return not same person
FaceRecognizer
MACE
2k
views
no
answers
no
votes
2019-12-24 01:38:33 -0600
LangdalePikes
How to improve identification confidence using LBPHFaceRecognizer
LBPHFaceRecognizer
identification
confidence-score
327
views
2
answers
1
vote
2019-12-23 22:18:23 -0600
sturkmen
Getting absolutely different result from deblur c++ example [closed]
Deconvolution
Wiener
focus
deblur
654
views
no
answers
no
votes
2019-12-23 21:06:24 -0600
clay
waitkey(1) freezes display output when previewing in multiple threading
waitkey
freezes
display
108
views
no
answers
no
votes
2019-12-22 21:12:00 -0600
lunasdejavu
warpPerspective errors if do it separately by channels
cvWarpPerspective
466
views
1
answer
-1
votes
2019-12-22 13:07:46 -0600
berak
OpenCV C++ for decision tree based problems.
decision_tree
8k
views
1
answer
no
votes
2019-12-22 08:51:42 -0600
supra56
Any implementation of LineSegmentDetector for python ?
linesegmentdetector
opencv4.1.0.25
python
104
views
no
answers
no
votes
2019-12-21 23:55:00 -0600
tech5
Continue path of vertical lines
opencvpython
1k
views
no
answers
no
votes
2019-12-21 22:34:30 -0600
HelloWorld
SVM predict error error: (-215:Assertion failed) samples.cols == var_count && samples.type() == CV_32F in function 'predict' [closed]
cv2.ml_SVM
499
views
1
answer
no
votes
2019-12-21 12:25:55 -0600
supra56
Can anyone please help me in detection of the pins?
opencvC++
328
views
no
answers
no
votes
2019-12-20 19:39:56 -0600
abraham1798
Change webcam to an usb cam in Rviz [closed]
ros
Rviz
usb_webcam
145
views
no
answers
no
votes
2019-12-20 14:42:35 -0600
supra56
projectPoints shows wierd results
c++#opencv
109
views
no
answers
no
votes
2019-12-20 12:07:29 -0600
danfur
Changes made to getRotationMatrix2D() in version 4.1.2?
getRotationMatrix2D
244
views
no
answers
1
vote
2019-12-20 12:03:03 -0600
B. Bogart
pretrained model for gaze / frontal face detection for cv::dnn?
dnn
c++#dnn#opencv
Facedetection
eye
261
views
no
answers
no
votes
2019-12-20 10:40:29 -0600
exbigboss
[C++] Using DNN with Tiny Yolo v2, not getting 13x13 (just 125 x 1)
dnn
yolov2
776
views
no
answers
no
votes
2019-12-20 07:18:13 -0600
dslove
Not able to use openCL on Mac
opencl
gpu
mac
563
views
no
answers
no
votes
2019-12-20 03:29:23 -0600
infant_batman
Errors while building customised ffmpeg4.1 with libopencv_highgui-dev
ffmpeg
makefile
254
views
no
answers
no
votes
2019-12-19 18:25:25 -0600
supra56
How to draw contours on squares drawn with pencil (Python)
opencv
python
contours
591
views
1
answer
no
votes
2019-12-19 11:32:13 -0600
supra56
Giving Arbitrary value in Face ID in face Verification from webcam
Facedetection
FaceRecognizer
detectMultiScale
3k
views
2
answers
1
vote
2019-12-19 11:06:13 -0600
supra56
pattern recognition to detect object position ?
pattern-matching
position
detection
object
2k
views
1
answer
no
votes
2019-12-19 11:02:47 -0600
supra56
How to create a ''tripwire'' to detect a specified contour collision/intersection
tripwire
Line
function
urgent
motion
tracking
295
views
no
answers
no
votes
2019-12-19 09:07:29 -0600
Dimitar Veljanovski
How do I make a 3D map of ORB keypoints using 1 camera
SLAM
3dmodel
mapping
152
views
no
answers
no
votes
2019-12-19 09:03:01 -0600
supra56
yolov3 optimized by model optimizer fail to do inference
dnn
tiny
yolo
model
optimizer
1k
views
1
answer
no
votes
2019-12-19 08:38:28 -0600
Ben470
Convert pixel to points in world coordinates
position
pixeltranslation
function
379
views
1
answer
-1
votes
2019-12-19 08:02:58 -0600
supra56
Good foreground segmentation methods apart from Canny
canny
edgedetection
segmentation
foregroundextraction
contour
375
views
no
answers
no
votes
2019-12-19 03:35:33 -0600
ramthota
enable VFPV4 for ARM v8
c++opencv
1k
views
no
answers
no
votes
2019-12-19 03:15:42 -0600
ibrahim_5403
How can I convert keras model (.h5) into tensorflow (.pb) model to use in opencv DNN module?
cv2.dnn
tensorflow
keras
99
views
no
answers
1
vote
2019-12-18 15:14:27 -0600
flyingfishfinger
Larger scaling numbers result in white frames (?) [closed]
snapdragon
embedded
resize
147
views
no
answers
no
votes
2019-12-18 13:12:46 -0600
chnbr
detectMultiScale(...) internal principle ?
detectMultiScale
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