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29,830 questions
Tagged
1k
views
1
answer
1
vote
2020-12-03 07:02:10 -0600
fadeto404
Pixel-wise matrix multiplication
matrix
vector
multiplication
1k
views
1
answer
1
vote
2020-12-03 07:37:47 -0600
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
1k
views
1
answer
no
votes
2020-12-03 09:34:06 -0600
berak
Real-time webcam stream very slow with pixel manipulation
opencv
python
3k
views
1
answer
no
votes
2020-12-03 11:11:26 -0600
crackwitz
Convert a Video.mp4 in a 2D Matrix where each row represents a frame
python3
opencv
744
views
1
answer
no
votes
2020-12-03 11:36:09 -0600
crackwitz
Training for roof tile detection
object_recognition
542
views
1
answer
1
vote
2020-12-03 16:31:28 -0600
crackwitz
How to discover the input and output format of a cv::dnn::Net?
deep-neural-network
c++#dnn#opencv
328
views
no
answers
no
votes
2020-12-04 06:51:01 -0600
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
850
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
1k
views
1
answer
no
votes
2020-12-05 03:42:42 -0600
sturkmen
installing 3.4.12 for ubuntu 18.04 LTS (install from source) for yolov4
installation-fails
268
views
1
answer
no
votes
2020-12-05 04:28:02 -0600
berak
Opencv based annotation is open
opencv_annotation
cannot_open
875
views
1
answer
1
vote
2020-12-05 05:14:19 -0600
Eduardo
historical performance test cast data in build pipeline?
performance
testing
build
pipeline
889
views
no
answers
no
votes
2020-12-05 08:45:02 -0600
fafafafa
Error building opencv with extra modules in Visual Studio 2013
opencv
java
4k
views
1
answer
no
votes
2020-12-06 07:38:57 -0600
Wilan
Reading and Writing Videos: Python on GPU with CUDA - VideoCapture and VideoWriter
Video
768
views
no
answers
no
votes
2020-12-06 08:22:42 -0600
sigmoid90
Problem with building pose Mat from rotation and translation matrices
transformation
matrix
camera-pose
camerarotation
translation
1k
views
no
answers
no
votes
2020-12-07 02:08:05 -0600
AndrewM
How can I track the disappearance of a TV logo in a certain area in a frame (ROI)?
video_processing
853
views
2
answers
no
votes
2020-12-07 08:03:52 -0600
kbarni
getting out of arguments
argument
3k
views
1
answer
1
vote
2020-12-07 08:58:34 -0600
hammockman
cv::dnn::blobFromImage() works in python but fails in c++
c++
dnn
opencv
blobfromImage
1k
views
no
answers
no
votes
2020-12-07 12:20:58 -0600
coldheat
tvec and coordinate systems q
opencv
camera
matrix
solvePnP
planes
coordinates
1k
views
no
answers
no
votes
2020-12-07 14:26:14 -0600
fafafafa
errors when building opencv 4.5.0 wit extra modules using Mingw [closed]
opencv
java
37k
views
no
answers
-1
votes
2020-12-08 03:23:09 -0600
revathi
I am creating web application for face recognition using python flask app. I am already create static dataset. I need the text box to enter the name of the person after that capture image and it will store in to the dataset. [closed]
off-topic
1k
views
1
answer
no
votes
2020-12-08 09:54:18 -0600
ConnorM
Triangulation with Ground Plane as Origin
calibration
cameras
transformation
rotation
translation
775
views
no
answers
no
votes
2020-12-08 11:05:40 -0600
PGTART
stitcher advanced api everything get wrapped arround
image-stitching
4k
views
no
answers
no
votes
2020-12-09 06:39:18 -0600
ryan227
Darknet makefile error when opencv=1, ubuntu 18.04
darknet
950
views
1
answer
no
votes
2020-12-09 11:15:18 -0600
crackwitz
How to avoid potential noise after Canny?
video-processing
6k
views
1
answer
no
votes
2020-12-10 13:16:05 -0600
crackwitz
Lot of Delay with my RTSP cam with OpenCV on Python
cv#opencv#python
969
views
3
answers
no
votes
2020-12-11 05:59:55 -0600
sturkmen
Optimizations on opencv hog implementation(interp_weight, gaussian)
HOGDescriptor
HOG
hogcompute
5k
views
2
answers
1
vote
2020-12-12 00:13:23 -0600
jacubit
Opencv and OAK on Mac with new chip M1
oak
compatibility
hardware
CPU
mac
apple
778
views
no
answers
no
votes
2020-12-12 03:57:00 -0600
elliotwoods
binary calibration pattern with XY recoverable features
calibration
marker
noise
1k
views
no
answers
no
votes
2020-12-12 12:10:12 -0600
DjDylex
recover pose scale
SLAM
visualOdometry
computervision
epipolar-geometry
966
views
no
answers
no
votes
2020-12-14 19:41:25 -0600
joaocandre
How to find surfance orientation (relative to camera) from single depth image?
3dreconstruction
pose-estimation
depth
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