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30,953 questions
Tagged
5
views
1
answer
no
votes
2019-07-16 00:18:05 -0500
berak
How to put rotated text in OpenCV ?
cvPutText
2
views
no
answers
no
votes
2019-07-16 00:17:10 -0500
eskandar
How to retrieve Object Points of CharUco Board
calibration
charuco
aruco
stereocalibration
14k
views
2
answers
2
votes
2019-07-15 22:04:38 -0500
supra56
LIBTIFF_4.0 link errors
linux
build
libtiff
56
views
2
answers
no
votes
2019-07-15 21:53:51 -0500
supra56
Building OpenCV as a static library gives thousands of undefined references[SOLVED]
linux
ubuntu14.04
opencv
static
15
views
1
answer
no
votes
2019-07-15 21:50:49 -0500
supra56
findChessboardCorners() does not work[SOLVED]
calibration
pose
checkerboard
22
views
1
answer
no
votes
2019-07-15 21:49:01 -0500
supra56
DNN module different results on windows and ubuntu for a custom yolov2 based model[SOLVED]
dnn
inference
4.0.1
ubuntu
darknet
16
views
1
answer
no
votes
2019-07-15 21:46:59 -0500
supra56
Is there a way to display cv::Mat using __android_log_print()[SOLVED]
c++
android
printf
Mat
6
views
no
answers
no
votes
2019-07-15 21:43:25 -0500
supra56
Make error __atomic_fetch_add_8 on RaspberryPi4
raspberrypi4
build
error
10
views
no
answers
no
votes
2019-07-15 14:54:41 -0500
adrianafani
I found 2 circles, I want to cut and save each circle into a different picture, how to do that in python? my code in link..
circledetection
regionofinterest
opencv
python
11
views
no
answers
no
votes
2019-07-15 09:08:31 -0500
fzyzcjy
OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?
android
c++
simd
neon
13
views
no
answers
no
votes
2019-07-15 08:15:33 -0500
Faded.exe
Hi guys, am I supposed to use cameras or cmos sensors? [closed]
object-tracking
11
views
no
answers
no
votes
2019-07-15 07:43:08 -0500
berak
Fringe Phase unwrapping
Structured
light
phase
unwrapping
10
views
no
answers
no
votes
2019-07-15 06:54:07 -0500
MuratHp
Unresolved External Symbol error OpenCV Cuda
CUDA
opencv
c++
2k
views
3
answers
no
votes
2019-07-15 04:38:25 -0500
biinui
Fail to set camera resolution higher then 640x480 using Tutorial 5
camera
resolution
tutorial
5
17
views
no
answers
no
votes
2019-07-15 04:16:03 -0500
Griffin58
Saving a video from Tello Drone
python
11
views
no
answers
no
votes
2019-07-15 02:39:12 -0500
张庆昊
A bug causes crash when class inherit from cv2.KeyPoint
python
bug
keypoint
17
views
no
answers
no
votes
2019-07-15 01:54:14 -0500
vishnu021988
Unable to use convertTo function in opencv gpumat when the gpumat created with cudamallocmanaged
opencv
CUDA
10k
views
1
answer
no
votes
2019-07-14 07:38:02 -0500
zardosht
Changing pixel format (YUYV to MJPG) when capturing from webcam?
webcam
mjpg
pixelformat
14
views
no
answers
no
votes
2019-07-14 01:44:49 -0500
Olivia_Kelly
Errors in code execution Gstreamer
gstreamer
opencv
linux
python
21
views
no
answers
no
votes
2019-07-14 01:15:47 -0500
deeptech
i want to detect and count people when they comes inside in rectangle area in opencv caffemodel python
pyhthon
opencv
caffemodel
24
views
no
answers
no
votes
2019-07-13 11:53:26 -0500
luca123
information extraction from drug packaging
c++
opencv
computervision
16
views
no
answers
no
votes
2019-07-13 11:31:02 -0500
MaggPI
cv.imwrite is not a fuction error
OpenCV.js
imwrite
function
12
views
no
answers
no
votes
2019-07-13 07:30:41 -0500
A13XIS
CV4.1: Failed Assertion in function detectAndCompute
opencv4.1
feature-detection
c++
48
views
no
answers
no
votes
2019-07-13 07:25:51 -0500
ifandroid
Play 360° video with openCV
opencv
python
14
views
no
answers
no
votes
2019-07-13 06:11:35 -0500
heflie
Classification method invariante to rotation and machine learning
SURF
SIFT
image-processing
c++
opencv
machine-learning
308
views
no
answers
no
votes
2019-07-13 05:16:42 -0500
supra56
cv2.VideoCapture not blocking duplicate frames
cv2.videocapture
32
views
1
answer
no
votes
2019-07-13 05:13:32 -0500
kavikode
OpenCV.js Selective Search for Object Recognition
segmentation
image-segmentation
OpenCV.js
objectdetection
764
views
no
answers
no
votes
2019-07-13 04:54:32 -0500
supra56
videocapture(0) and .read returning false every time
cv2.videocapture
cap.read
Video
false
16
views
no
answers
no
votes
2019-07-13 04:42:27 -0500
supra56
How to decrease sensitivity when detecting objects in image.
measure
Dimensions
opencv
detection
9
views
no
answers
no
votes
2019-07-13 02:50:06 -0500
Meysam Fard
Problem with compile opencv with cmake and mingw for android with x86, mips , … architectures
android
windows
mingw
cmake
1
2
3
4
5
...
1032
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