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32,859 questions
Tagged
2
views
no
answers
no
votes
2020-04-10 13:56:40 -0500
TWAAL
I need to count the number of pixels that fall into a color range
color-segmentation
Color
colorspace
colortracking
26
views
2
answers
no
votes
2020-04-10 13:50:46 -0500
andrei186
How do i remove background noise in binary picture?
threshold
python
otsu
binary
1
view
no
answers
no
votes
2020-04-10 13:39:28 -0500
pm100
imageio image vs cv image
image-data
11
views
1
answer
no
votes
2020-04-10 11:27:29 -0500
mvuori
why switch(a) converts char a into int decimal
switch
converts
char
into
int
decimal
6
views
no
answers
no
votes
2020-04-10 09:54:23 -0500
Pigeon
How to know the orientation of the QR Code?
qrcode
orientation
2
views
no
answers
no
votes
2020-04-10 08:21:35 -0500
Tyommik
OpenCV::DNN doesn't support conv1d
dnn
pytorch
onnx
9
views
no
answers
no
votes
2020-04-10 05:50:06 -0500
noshky
Linearity of world angles from image pixels
angles
calibrate
11
views
no
answers
no
votes
2020-04-10 05:22:09 -0500
LewsTherin511
OpenCV - object detection on video, elaborate frames in real time
opencvpython
fps
Livestream
12
views
no
answers
no
votes
2020-04-10 03:45:52 -0500
ajd
OCR selection based on colour
bounding_boxes
mask
bitwise_not
inRange
16
views
no
answers
no
votes
2020-04-10 01:37:27 -0500
Sundar_1998
Sneeze and cough detection
face_detection
RaspberryPi
15
views
no
answers
no
votes
2020-04-09 19:06:07 -0500
kyu621661
What technique should I use to find the circle?
circle
contours
259
views
2
answers
no
votes
2020-04-09 14:29:17 -0500
supra56
I can't draw the contour approximation, I use a green square to take the video but no contour on it.
opencv
picamera
contours
12
views
no
answers
no
votes
2020-04-09 13:25:25 -0500
chchang6
Test failure with opencv_perf_tracking
cvtest
build
20
views
1
answer
no
votes
2020-04-09 11:46:21 -0500
Eduardo
Using solvePnP with fixed center of rotation
solvePnP
SOLVEPNP_ITERATIVE
16
views
no
answers
no
votes
2020-04-09 10:24:09 -0500
Abdelrahman
Color blending two images
c++
13
views
no
answers
no
votes
2020-04-09 08:02:58 -0500
SylvainArd
extracting the contour of the underside of bramble stems
segmentation
contours
13
views
no
answers
no
votes
2020-04-09 07:56:43 -0500
noshky
1D->2D pose estimation - detect 2D camera location
solvePnP
camera-pose
pose-estimation
19
views
1
answer
1
vote
2020-04-09 04:48:51 -0500
berak
python code in tutorial "file input and output using xml and yaml files"
opencv
python
tutorial
20
views
no
answers
no
votes
2020-04-09 02:20:58 -0500
berak
Procedure for getting 3D coordinates from Stereo?
3dreconstruction
stereo-calibration
Stereovision
19
views
no
answers
no
votes
2020-04-08 21:54:42 -0500
redhwan
How to extract a feature from OpenCV instead of skimage?
feature
feature-extraction
python
image-processing
opencv
16
views
no
answers
no
votes
2020-04-08 20:26:25 -0500
alittlebirdy
Using convertTo corrupts the image
c++opencv
8
views
no
answers
no
votes
2020-04-08 18:07:31 -0500
h4k1m
Dot product on Vec2s returning incorrect results
dot
vectors
36
views
1
answer
no
votes
2020-04-08 17:46:59 -0500
berak
gcc: error: long: No such file or directory
qt
opencv
windres.exe
116
views
1
answer
no
votes
2020-04-08 15:28:04 -0500
noshky
SolvePNP_P3P doesn't work for 4 points. Please help.
solvePnP
extrinsic
P3P
calibration
CV_64F
13
views
no
answers
no
votes
2020-04-08 13:49:51 -0500
berak
openCV function '.read()' return (False, None)
None
18
views
no
answers
1
vote
2020-04-08 10:32:53 -0500
berak
LSH knnSearch slow in large dataset
knnsearch
ORBFeatureDetector
ORBFeatureDescriptor
lsh
14
views
no
answers
no
votes
2020-04-08 09:47:54 -0500
edif
How to determine and compensate for light falloff during stitching
illumination
light
brightness
falloff
compensate
uneven
30
views
no
answers
no
votes
2020-04-08 07:32:16 -0500
berak
[Darknet-off topic] Cannot load image "-dont_show" despite patch of images and opencv OK [closed]
darknet
18
views
1
answer
1
vote
2020-04-08 06:33:09 -0500
berak
convexityDefects errors
convexityDefects
checkVector
17
views
no
answers
-1
votes
2020-04-08 01:42:27 -0500
Srini9
Suggestion on a usecase
cvMatchTemplate
image
image-processing
image-recognition
1
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5
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1096
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