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74 questions
Tagged
numpy
×
11k
views
1
answer
3
votes
2020-09-25 19:46:18 -0600
tjwmmd2
Fastest way to convert BGR <-> RGB! Aka: Do NOT use Numpy magic "tricks".
python
numpy
conversion
494
views
1
answer
2
votes
2013-05-21 21:02:55 -0600
Abid Rahman K
cv2.split() doesn't work beyond 512
numpy
2k
views
1
answer
2
votes
2013-12-15 11:02:49 -0600
Guanta
supported input types for matchShapes
python
2.4.6.1
numpy
968
views
1
answer
2
votes
2015-07-23 10:42:59 -0600
berak
opencv3 Expectation Maximization Python getCovs
python
numpy
machinelearning
7k
views
1
answer
2
votes
2019-12-14 11:13:48 -0600
supra56
cv2.imshow and cv2.imwrite show different output from the same array[SOLVED]
numpy
imshow
imwrite
4k
views
1
answer
1
vote
2012-07-16 14:01:04 -0600
blue
cv2 bindings incompatible with numpy.dstack function?
cv2
numpy
python
967
views
1
answer
1
vote
2015-01-13 11:15:59 -0600
berak
overview needed for opencv setup on windows using eclipse
python
windows-7
numpy
Eclipse
189
views
no
answers
1
vote
2015-02-16 07:52:06 -0600
krips89
Persisting data between Opencv-Python and Opencv-C++
python
numpy
CvMat
282
views
no
answers
1
vote
2015-04-13 08:40:55 -0600
begueradj
how to display 2 images in one ? [closed]
python
opencv
numpy
516
views
1
answer
1
vote
2017-06-26 05:43:21 -0600
berak
cv2 threshold flags
opencv
numpy
threshold
3k
views
1
answer
no
votes
2013-03-15 16:15:16 -0600
matt.hammer
Initialize numpy array (cv2 python) and PerspectiveTransform
python
numpy
perspectiveTransform
769
views
1
answer
no
votes
2013-09-06 14:53:58 -0600
berak
numpy.ndarray returning incorrect pixel value vs pixelaccess type
numpy.ndarray
pixelaccess
numpy
6k
views
2
answers
no
votes
2013-10-25 08:05:51 -0600
raj88
how to find glcm of an image in OpenCV or numpy?
GLCM
numpy
4k
views
1
answer
no
votes
2014-02-24 04:32:44 -0600
berak
how to append list's element to an array - python opencv
python
list
array
numpy
239
views
no
answers
no
votes
2014-02-27 16:08:20 -0600
wennho
Apply transformation matrix to pixels in OpenCV image
numpy
python
511
views
no
answers
no
votes
2015-02-06 02:46:04 -0600
begueradj
What is the dimension of the array representing a BGR image ?
opencv
numpy
matrix
BGR
465
views
no
answers
no
votes
2015-02-09 07:55:16 -0600
reggie
Past ten frame retrieval from a webcam
opencv2
python
numpy
1k
views
1
answer
no
votes
2015-03-11 05:16:40 -0600
kbarni
Why setting U and V channels to 0 leads to displaying a Blue picture?
python
opencv
numpy
YUV
3k
views
no
answers
no
votes
2015-05-21 03:55:43 -0600
fery
Image filtering in frequency domain python
python
numpy
image
Filtering
frequency
domain
790
views
no
answers
no
votes
2015-05-29 07:09:45 -0600
Gustav
Lucas Kanade Optical Flow Implementation
numpy
opticalflow
opencvpython
75
views
no
answers
no
votes
2015-06-06 08:06:27 -0600
SolidSnake
numpy.where() on grayscale frame, wrong indices
python
numpy
Opencv3.0
608
views
1
answer
no
votes
2015-07-25 01:43:12 -0600
berak
opencv3 EM.getCovs(covs)
numpy
gaussianMixtureModel
python
opencv3
563
views
no
answers
no
votes
2016-02-19 23:48:04 -0600
Shahrukh Q
Contour approximation. Avoid extra rectangle height
python
numpy
203
views
1
answer
no
votes
2016-03-06 01:37:30 -0600
Tetragramm
Determine a piece of image is in large image, if there - how much Percentage
opencv
python
numpy
image-processing
412
views
no
answers
no
votes
2016-03-30 08:36:01 -0600
marcoE
Drawing a numpy array with triangulation [closed]
opencv
triangular
numpy
4k
views
1
answer
no
votes
2016-04-09 23:28:15 -0600
Tetragramm
YUV (bytes) to HSV ?
python
numpy
YUV
YUV420p
HSV
Bytes
196
views
no
answers
no
votes
2016-04-25 21:15:41 -0600
Sandesh14
What is the use of numpy library in opencv python?
numpy
1k
views
no
answers
no
votes
2016-06-06 15:03:24 -0600
YaddyVirus
How to use np.count_nonzero() within a range of pixels?
numpy
threshold
Thresholding
count-pixels
Pixels
3k
views
1
answer
no
votes
2016-07-29 14:27:49 -0600
idg101
Simple example of writing color imagery using VideoWriter in python
videowriter
python
numpy
Color
1k
views
1
answer
no
votes
2016-11-12 00:32:52 -0600
supertramp-sid
Implement angle constraint in the Sobel operator
opencv
python
sobel
numpy
1
2
3
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