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29,830 questions
Tagged
1k
views
3
answers
1
vote
2015-06-24 08:56:20 -0600
Karthikeyan
Fill irregular area
deleted
15k
views
3
answers
2
votes
2019-12-10 06:51:01 -0600
holger
Is there a way to keep imwrite from overwriting files..?
opencv
fileIO
c++
linux
4k
views
3
answers
no
votes
2015-07-23 21:42:42 -0600
sturkmen
How to write the output image of an Opencv program in an excel sheet
opencv
c++
excel
matchTemplate
2k
views
3
answers
1
vote
2015-07-16 12:13:54 -0600
valentine
How to read a Matrix from a child node with FileStorage API
xml
FileStorage
Noteworthy_Content
3k
views
3
answers
1
vote
2015-07-31 23:03:32 -0600
chr0x
Rotate Landmarks
rotate
landmarks
13k
views
3
answers
3
votes
2016-11-27 18:06:20 -0600
Eduardo
Can i get 2d world coordinates from a single image ([u,v] coords)?
2d-image
2d-point
pixel
3dreconstruction
10k
views
3
answers
no
votes
2016-01-14 10:38:54 -0600
sergiomb
Error building OpenCV 3.0.0 with FFMPEG
compilation-error
cap_ffmpeg_impl.hpp
ffmpeg
24k
views
3
answers
4
votes
2016-06-07 06:18:04 -0600
Balaji R
Adding Noise to Image - Opencv
noise
3k
views
3
answers
2
votes
2015-11-08 13:19:43 -0600
Eponymous
Is OpenCv 3.0 compatible for VS 2015
vs2015
11k
views
3
answers
1
vote
2015-09-15 12:27:21 -0600
sturkmen
Detect spaces and fill with rectangle
opencv
python
dilation_erosion
fill
Morphological
Skeleton
7k
views
3
answers
2
votes
2016-11-29 01:40:33 -0600
sturkmen
recognise colours in 3x3 grid
matching
colors
colours
grid
RubikCube
2k
views
3
answers
1
vote
2015-09-26 03:28:28 -0600
Leo_
Template Matching for Coins
template-learning
matchTemplate
feature-detection
c++
feature-extraction
7k
views
3
answers
1
vote
2015-11-04 06:49:25 -0600
Milosz
Assertion failure calling cv fisheye::calibrate
fisheye
camera
calibration
2k
views
3
answers
4
votes
2018-07-19 07:53:06 -0600
lrocher
What classifier and algorithm would you use to detect the cars in this image?
carDetection
object-detection
dataset
1k
views
3
answers
no
votes
2017-12-14 02:58:19 -0600
francesco_moz
Access violation when using imwrite to save an imageMat
Opencv3.0
c++
visualstudio2013
imwrite
736
views
3
answers
1
vote
2015-10-24 12:47:57 -0600
LorenaGdL
improving poor blob contours
blob
processing
8k
views
3
answers
1
vote
2015-10-26 10:22:28 -0600
theodore
Efficient way to remove holes in an object
Morphological
image-processing
hole
opencv2.4.11
erode
dilate
51k
views
3
answers
no
votes
2020-05-03 08:27:18 -0600
Mujeeb Ishaque
How does np.zeros() create a black background?
opencv
1k
views
3
answers
no
votes
2015-11-02 19:44:21 -0600
drVit
Fitting a point-cloud
Fit
points
pointcloud
3k
views
3
answers
no
votes
2017-11-17 11:35:26 -0600
Yyyye
Problem extracting ippicv_.zip
cmake
build
windows
57k
views
3
answers
5
votes
2015-11-17 04:43:28 -0600
pklab
How to make auto-adjustments(brightness and contrast) for image Android Opencv Image Correction
imagecorrection
brightness
contrast
1k
views
3
answers
2
votes
2015-11-25 16:59:45 -0600
sturkmen
how can I find the coordinates with the given step?
coordinates
intersection
findContours
boundingRect
3k
views
3
answers
2
votes
2016-01-14 10:55:04 -0600
sturkmen
How to record the time of stay by detected people in a video?
detection
multipleTracking
stay
multiple
tracking
bodytracking
1k
views
3
answers
1
vote
2016-09-15 05:59:35 -0600
_AdT_
Feature Detector corrupts KeyPoint vector in OpenCV3.0 using MSVC 14: _BIG_ALLOCATION_ALIGNMENT Assertion message
featuredetector
keypoint
Opencv3.0
assertion
21k
views
3
answers
no
votes
2019-07-03 07:30:12 -0600
Balaji R
YUYV422 to BGR
YUYV422
BGR
23k
views
3
answers
no
votes
2018-02-06 02:44:23 -0600
VxW
Detect blur, sharpness of the single image
blurry
sharpness
ios
android
laplacian
1k
views
3
answers
1
vote
2016-03-10 04:26:52 -0600
essamzaky
Fast element access macro in C++ API
Mat
pixel-access
c++
macro
11k
views
3
answers
3
votes
2016-03-18 08:20:27 -0600
mshabunin
Is it poosible to make OpenCV read multiple page tiff
multiple
tiff
9k
views
3
answers
no
votes
2020-01-02 10:17:25 -0600
arnthorg
Delay when grabbing frames from webcam
grab
webcam
9k
views
3
answers
1
vote
2016-03-31 05:22:31 -0600
theodore
find all the colors of a given image and their pixel position
colors
image
labeling
opencv
Noteworthy_Content
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