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30,336 questions
Tagged
11
views
1
answer
no
votes
2020-12-05 13:25:52 -0500
crackwitz
Reading and Writing Videos: Python on GPU with CUDA - VideoCapture and VideoWriter
Video
9
views
no
answers
no
votes
2020-12-05 08:45:02 -0500
fafafafa
Error building opencv with extra modules in Visual Studio 2013
opencv
java
18
views
1
answer
1
vote
2020-12-05 05:14:19 -0500
Eduardo
historical performance test cast data in build pipeline?
performance
testing
build
pipeline
23
views
1
answer
no
votes
2020-12-05 04:28:02 -0500
berak
Opencv based annotation is open
opencv_annotation
cannot_open
48
views
1
answer
no
votes
2020-12-05 03:42:42 -0500
sturkmen
installing 3.4.12 for ubuntu 18.04 LTS (install from source) for yolov4
installation-fails
14
views
no
answers
no
votes
2020-12-04 10:55:34 -0500
ConnorM
Triangulation with Ground Plane as Origin
calibration
cameras
transformation
rotation
translation
16
views
no
answers
no
votes
2020-12-04 09:27:18 -0500
hammockman
cv::dnn::blobFromImage() works in python but fails in c++
c++
dnn
opencv
blobfromImage
25
views
no
answers
no
votes
2020-12-04 09:17:00 -0500
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
18
views
no
answers
no
votes
2020-12-04 06:51:01 -0500
berak
i am creating a dataset for real time face recognition using python. i want it should intimate if the image already available in dataset. how to implement in opencv?
opencv-python
21
views
1
answer
1
vote
2020-12-03 16:31:28 -0500
crackwitz
How to discover the input and output format of a cv::dnn::Net?
deep-neural-network
c++#dnn#opencv
43
views
1
answer
no
votes
2020-12-03 11:36:09 -0500
crackwitz
Training for roof tile detection
object_recognition
15
views
1
answer
no
votes
2020-12-03 11:11:26 -0500
crackwitz
Convert a Video.mp4 in a 2D Matrix where each row represents a frame
python3
opencv
18
views
1
answer
no
votes
2020-12-03 09:34:06 -0500
berak
Real-time webcam stream very slow with pixel manipulation
opencv
python
79
views
1
answer
1
vote
2020-12-03 07:37:47 -0500
supra56
I am create a rectangle box in video stream using python. how to apply face detection in rectangular box inside only and don't need out of the rectangular box detect face
opencv-python
22
views
1
answer
1
vote
2020-12-03 07:02:10 -0500
fadeto404
Pixel-wise matrix multiplication
matrix
vector
multiplication
49
views
1
answer
1
vote
2020-12-02 21:10:57 -0500
sturkmen
Did convexityDefects function behaviour changed between cv2 versions 4.2.0 and 4.3.0?
python
build_opencv_python
convexityDefects
contours
21
views
no
answers
no
votes
2020-12-02 16:22:39 -0500
srsopoci
Why is the processImage delegate not getting called automatically?
processing
image
process
delegate
ios
unity
33
views
no
answers
no
votes
2020-12-02 09:38:34 -0500
amateurpirate
Duplicate frames in saved file from cv2.VideoWriter
CAP_PROP_FPS
USBcamera
cv2.videocapture
python
cv2.VideoWriter
28
views
1
answer
-1
votes
2020-12-02 08:54:07 -0500
berak
Finding center of contour in a game
findContours
21
views
no
answers
no
votes
2020-12-02 08:00:45 -0500
Ting
Reduce the opencv framework size by using size optimization
size
optimization
ios
xcode
gcc
compiler
34
views
no
answers
no
votes
2020-12-02 03:30:41 -0500
maw
imshow no window on Mac Big Sur with Python [closed]
opencv
python
imshow
23
views
no
answers
no
votes
2020-12-02 03:02:42 -0500
AndrewM
How can I track the disappearance of a TV logo in a certain area in a frame (ROI)?
opencv
video_processing
23
views
no
answers
-1
votes
2020-12-01 21:13:26 -0500
lilyily
Converting image to grayscale
opencv
python
27
views
1
answer
1
vote
2020-12-01 11:25:19 -0500
crackwitz
stitch transform reuse
image-stitching
stitching
python3
52
views
2
answers
no
votes
2020-12-01 11:24:36 -0500
kbarni
Birdseye transform with getPerspectiveTransform
perspective
18
views
no
answers
no
votes
2020-12-01 10:18:57 -0500
sigmoid90
Pose estimation of image from a point cloud [closed]
3dreconstruction
matching
pose_estimation
image-registration
pointcloud
22
views
no
answers
no
votes
2020-12-01 07:39:09 -0500
Yaw Mensah
convert cv::Mat to a C Struct
OpenCVWrapper
56
views
no
answers
no
votes
2020-11-30 16:58:15 -0500
Phil2
guidance for mapping 2D image onto 3D geometry
2d-3d-mapping
texture
calibration
point_cloud
34
views
1
answer
no
votes
2020-11-30 11:22:22 -0500
crackwitz
PatMax in OpenCV
locate
patmax
industrial
Pattern_recognition
pattern-matching
aoi
88
views
1
answer
no
votes
2020-11-30 07:08:44 -0500
berak
How to eliminate Text underline?
grayText
darkerText
darkenText
ScannedDoc
1
2
3
4
5
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1012
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