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12,357 questions
Tagged
11k
views
no
answers
no
votes
2020-08-11 20:20:20 -0600
supra56
error: (-2:Unspecified error) could not find a writer for the specified extension in function cv::imwrite
opencv
python
670
views
no
answers
no
votes
2020-08-22 10:16:30 -0600
whitebenoit
Evaluate the score of template matching when template's size equals image's size
templateMatching
cpp
score
56
views
no
answers
no
votes
2020-08-12 05:53:33 -0600
Francesc Folch
Why vector module doesn't grow up with not regularized logistic regression
regularization
LogisticRegression
1k
views
no
answers
no
votes
2020-08-13 06:21:46 -0600
litwi
Program loosing performance with window in full screen
c++
Video
762
views
no
answers
no
votes
2020-08-13 08:32:45 -0600
amateurpirate
Increasing FPS on 2 USB cams streaming at the same time w/ Jetson Nano
Multithreading
multiprocessing
3dmapping
Jetsonnano
usb
7k
views
no
answers
no
votes
2020-08-13 11:40:23 -0600
berak
how to stream the video capture from WebRTC in VLC or PYTHON OPENCV
opencv
WebRTC
195
views
no
answers
no
votes
2020-08-13 23:57:01 -0600
Nija Wat
Is OpenCV allow for remote desktop connection and VDI
VDI
169
views
no
answers
no
votes
2020-08-14 05:21:32 -0600
Shamim
I can't find the alphamat module in the Android SDK releases 4.4.0.
opencv_contrib
android
2k
views
no
answers
no
votes
2020-08-15 03:36:45 -0600
Gerharddc
Triangulate points from 2 images to estimate the pose on a third
solvePnpRansac
triangulatePoints
python
CameraMatrix
122
views
no
answers
no
votes
2020-08-14 11:14:12 -0600
berak
best way to remove long skinny black vertical lines from image?
vertical
erode
806
views
no
answers
no
votes
2020-08-14 15:09:03 -0600
ConnorM
stereoCalibrate with RANSAC?
calibrate
stereo
camera
triangulation
117
views
no
answers
no
votes
2020-08-16 03:47:13 -0600
aligoglos
how to calculate scale with matchTemplate
matchTemplate
430
views
no
answers
no
votes
2020-08-22 04:49:56 -0600
berak
cv2.line(imgHist, (x, img.shape[0]), (x, img.shape[0]-intensity//255), (255, 0, 255), 1, lineType=8, shift=0)
opencv_cv2.line
2k
views
no
answers
no
votes
2020-08-17 08:40:44 -0600
Martian
OpenCV in Docker? (C++)
docker
317
views
no
answers
no
votes
2020-08-18 09:42:15 -0600
Der Luftmensch
One Hot Encode function
type
Mat
encode
one-hot
function
template
3k
views
no
answers
no
votes
2020-08-24 22:08:38 -0600
cherie
OpenCV Net from ONNX not works
readNetFromONNX
cv2.dnn
635
views
no
answers
no
votes
2020-08-19 02:25:23 -0600
dustsigns
Fundamental matrix and epipolar lines from known camera parameters
Stereovision
epipolar-geometry
c++
4.4.0
1k
views
no
answers
no
votes
2020-08-19 11:39:40 -0600
Fabrice_06
Wrong FPS and FRAME_COUNT read from a wmv file with opencv4.0 under python
get
CAP_PROP_FPS
CAP_PROP_FRAME_COUNT
1k
views
no
answers
no
votes
2020-08-20 01:29:18 -0600
berak
Install OpenCV in Ubuntu 20.04 not working
ubuntu
ipython
200
views
no
answers
no
votes
2020-08-20 08:48:07 -0600
Bleach
Crop/approximate contours
c++
505
views
no
answers
no
votes
2020-08-20 09:17:22 -0600
comdie
Extract data from a scoreboard
OCR
opencv
Text
detect
python
476
views
no
answers
no
votes
2020-08-20 08:59:18 -0600
KyloEntro
Connect several cameras openCV python
python
437
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
204
views
no
answers
no
votes
2020-08-24 06:45:26 -0600
Shay
How to check matching location\position(SIFT)?
Fingerprint
303
views
no
answers
no
votes
2020-08-24 09:16:51 -0600
Shay
Gabor filter parameters.
gabor-filter
gabor
501
views
no
answers
no
votes
2020-08-26 03:19:28 -0600
lpea
Search URL for documentation
documentation
377
views
no
answers
no
votes
2020-08-27 05:04:40 -0600
Scheolin
Camera/Distortion Model Confusion
distortion
lens-distortion
opencvcamera
564
views
no
answers
no
votes
2020-08-28 11:34:46 -0600
tkw954
Aruco Marker Corners Occasionally Mislocated
aruco
aruco_marker
611
views
no
answers
no
votes
2020-08-28 02:11:12 -0600
erdeshkyzy
How should I track multiple dots (1-2 mm) using opencv in real time?
object-tracking
object-detection
opencvpython
linux
3k
views
no
answers
no
votes
2020-08-28 02:45:59 -0600
anarayan
Write cv2 frames in MPEG-TS format
ffmpeg
ts
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