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12,357 questions
Tagged
1k
views
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answers
no
votes
2019-11-27 10:44:59 -0600
Kitnos
Camera pose estimation with QR code by Opencv
qrcode
camera-pose
ZBar
c++
2k
views
no
answers
no
votes
2019-11-27 03:54:30 -0600
Dianan137
How to choose sigma/kernel size when downsampling image
downscaling
gaussianblur
resize
189
views
no
answers
1
vote
2019-11-26 22:28:21 -0600
evgevd
Logistic Regression doesnt learn anything
python
ml
LogisticRegression
419
views
no
answers
no
votes
2019-11-26 21:40:45 -0600
off99555
How can I solvePnP with fisheye camera parameters?
pose-estimation
calibrateCamera
project
543
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
197
views
no
answers
no
votes
2019-11-26 01:37:44 -0600
berak
opencv pose keypoints explanation Needed
pose-estimation
8k
views
no
answers
no
votes
2019-11-25 15:53:14 -0600
gst
How to convert numpy array to cv::Mat
opencv#python#numpy
239
views
no
answers
no
votes
2019-11-25 15:09:11 -0600
bananapen
Generate Opticalflow on images using OpenCV
BroxOpticalFlow
c++
CUDA
454
views
no
answers
no
votes
2019-11-25 06:28:55 -0600
JoseAFern
cv::ml::rtrees oob error bug???
oob
error
ml
bug
262
views
no
answers
-1
votes
2019-11-25 05:19:50 -0600
berak
How do i deploy C++ OpenCV code on Android
android
opencv
deployment
118
views
no
answers
1
vote
2019-11-25 01:21:58 -0600
ibrahim_5403
How can I define "scopesToKeep" and "scopesToIgnore" nodes of a frozen model?
python
Mask-Rcnn
dnn
keras
2k
views
no
answers
no
votes
2019-11-23 13:02:04 -0600
monilogi
How to capture 60 FPS at normal speed on Logitech c922x
fps
mac
logitech
python
2k
views
no
answers
no
votes
2019-11-23 02:35:56 -0600
Martian
CUDA CuBlas libs not found
CUDA
cublas
cmake-gui
352
views
no
answers
no
votes
2019-11-23 02:11:07 -0600
hardik patel
android face recognition
facerecognize
android
opencv
Facedetection
edges
329
views
no
answers
no
votes
2019-11-21 10:54:17 -0600
VxW
setUseOptimized()
performance
setUseOptimized
125
views
no
answers
no
votes
2019-11-21 10:35:43 -0600
rem
why My HDR picture is green ?
android
opencv
HDR
89
views
no
answers
no
votes
2019-11-21 10:25:45 -0600
JoseAFern
cv::ml::rtrees importance calculation
ml
RTrees
importance
204
views
no
answers
no
votes
2019-11-21 06:11:57 -0600
BEEKEEPER42
Finding length of specific lines in bee wing
linesmatching
linedetection
1k
views
no
answers
no
votes
2019-12-01 10:08:40 -0600
J.Han
Using OpenCV dnn module as dll, Net::forward() error
Yolov3
c++
dnn
127
views
no
answers
no
votes
2019-11-20 20:45:12 -0600
Ziqi
Runtime Error: cv::medianBlur() crush every time in opencv 4.1.2
crush
177
views
no
answers
no
votes
2019-11-20 20:11:12 -0600
bllu
cv::Mat mat; works fine but cv::dnn::Net net; throws errors
linker
dnn
243
views
no
answers
no
votes
2019-11-20 11:18:08 -0600
sab3rclaw
Determine available space inside a trailer using hd camera
ideas
399
views
no
answers
no
votes
2019-11-20 08:18:31 -0600
Porucik Dan
How to get all reprojection errors from stereoCalibrate
stereo-calibration
413
views
no
answers
no
votes
2019-11-20 04:10:06 -0600
Dimitar Veljanovski
Can i run OpenCV on the GPU pipeline if i plan to deploy it on Android and IOS devices?
android
AndroidOpenCV
opencv
CUDA
250
views
no
answers
no
votes
2019-11-19 20:53:17 -0600
Downey
understand the kalman filter for video stabilization
KalmanFilter
videostabilization
268
views
no
answers
no
votes
2019-11-19 12:00:20 -0600
Chun
Is it necessary to use StereoRectify and StereoCalibrate if I want to find the 3d coordinate of image point with two camera
triangulation
686
views
no
answers
no
votes
2019-11-19 11:13:41 -0600
zakaziko
Extract object and save it as an image.png using c++
c++
opencv
204
views
no
answers
1
vote
2019-11-19 05:04:33 -0600
JoseAFern
cv::ml::rtrees oob error
RTrees
ml
oob
error
970
views
no
answers
no
votes
2019-11-19 03:51:14 -0600
Vonzooooo
Build OpenCV with QMAKE
cmake
cmake-gui
opencv
qt
163
views
no
answers
no
votes
2019-11-18 13:08:33 -0600
Hugheschen
Using CALIB_FIX_PRINCIPLE_POINT flag, but calibration result still see changes in Principle Point
calibration
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