First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity
answers ▼
votes
101 questions
Tagged
threshold
×
340
views
1
answer
no
votes
2015-10-05 02:05:39 -0600
David_86
Shape detection, why try several threshold levels?
shapedetection
threshold
square
660
views
1
answer
1
vote
2015-10-19 00:51:31 -0600
Balaji R
How to improve thresholding
image-processing
threshold
Thresholding
binary-image
otsu
smoothing
2k
views
1
answer
no
votes
2016-06-09 02:50:02 -0600
YaddyVirus
Extracting circle centre coordinates using cv2.HoughCircles
accuracy
python
opencv
threshold
HoughCircles
903
views
1
answer
no
votes
2017-01-04 09:29:25 -0600
shreya
Improve image preprocessing
image-processing
threshold
edgedetection
326
views
1
answer
1
vote
2017-01-18 15:35:46 -0600
LBerger
Extract writing from colorful background
segmentation
colorfilter
threshold
2k
views
1
answer
no
votes
2017-01-26 13:30:54 -0600
LBerger
Why is the first openCV API call so slow?
performance
profiling
threshold
c++
opencv
382
views
1
answer
no
votes
2017-04-03 01:34:04 -0600
berak
Setting facerecognizer threshold in Python
FaceRecognizer
threshold
opencv
python
documentation
258
views
1
answer
no
votes
2017-05-14 04:18:13 -0600
berak
Setting the Thresholds in FaceRecognizer
threshold
FaceRecognizer
311
views
1
answer
no
votes
2017-06-17 04:01:37 -0600
dumbogeorge
HSV thresholding implemented in YUV domain
threshold
YUV
HSV
517
views
1
answer
1
vote
2017-06-26 05:43:21 -0600
berak
cv2 threshold flags
opencv
numpy
threshold
311
views
1
answer
no
votes
2017-09-04 10:43:14 -0600
manatttta
Identify vegetation lanes on image
canny
threshold
vegetation
503
views
1
answer
no
votes
2017-11-17 10:11:20 -0600
kbarni
How to avoid compreesion artifacts on segmentation?
segmentation
false-positive
threshold
125
views
1
answer
no
votes
2017-12-03 06:25:50 -0600
berak
threshold cannot work normally
threshold
702
views
1
answer
no
votes
2018-06-29 16:37:41 -0600
sjhalayka
Structuring Element or Morphological Op to extract thick lines?
morphologyex
threshold
lines
770
views
1
answer
no
votes
2019-02-11 07:58:28 -0600
ya_ocv_user
Hue thresholding [closed]
hue
threshold
202
views
1
answer
1
vote
2019-04-21 11:48:16 -0600
sturkmen
Failed to get characters/triangles
threshold
Color
extraction
otsu
absdiff
1k
views
1
answer
2
votes
2019-04-25 03:33:23 -0600
berak
CSRT tracker psr_threshold meaning and usage
csrt
threshold
232
views
1
answer
no
votes
2019-04-24 14:16:53 -0600
Chris
Is there any way to thin out the characters after Otsu thresholding?
segmentation
threshold
recognition
321
views
1
answer
1
vote
2020-03-27 11:12:58 -0600
link1375
findContours outputs different result, if the camera is parallel to the contour border
findContours
threshold
canny
697
views
1
answer
no
votes
2020-04-30 01:43:41 -0600
berak
How to do multi level thresholding
threshold
classify
multiple
544
views
no
answers
1
vote
2013-01-16 11:31:42 -0600
unxnut
Variable thresholding implementation
variable
threshold
adaptiveThreshold
segmentation
200
views
no
answers
1
vote
2013-05-16 16:44:57 -0600
basheer
gpu's hough probabilistic threshold parameter
opencv
houghlinesp
gpu
threshold
maxLines
905
views
no
answers
-1
votes
2013-06-02 16:40:32 -0600
hasnain786
Thresholding an image in iOS
threshold
713
views
no
answers
no
votes
2013-10-10 05:00:39 -0600
wuling
How to easy to get the length of the edge??? [closed]
edges
length
sobel
threshold
367
views
no
answers
no
votes
2013-11-02 20:44:51 -0600
sodeq
what is stage threshold?
adaboost
opencv_traincascade
maxWeakCount
threshold
409
views
no
answers
1
vote
2014-01-19 09:03:49 -0600
Azwan
Converting threshold image to binary data [closed]
opencv
opencv4android
threshold
binary
convert
670
views
no
answers
no
votes
2014-01-24 09:16:02 -0600
Dhineshram
Find moment(x,y axis) of interested object [closed]
cvFindContours
c-api
cvMoments
threshold
object-tracking
308
views
no
answers
no
votes
2014-05-27 11:13:11 -0600
Cima
Mat::data empty after image operation (threshold())
Mat
threshold
621
views
no
answers
no
votes
2014-06-06 01:12:39 -0600
AEFGR
How is threshold value set in PCA ? Alternatively how to increase efficiency of PCA?
Facedetection
PCA
threshold
265
views
no
answers
1
vote
2014-06-17 13:59:29 -0600
loveandkindness
A tricky image processing problem. (blurry moving dots)
tracking
image-processing
threshold
« previous
1
2
3
4
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
threshold
×30
opencv
×6
segmentation
×4
image-processing
×3
canny
×2
FaceRecognizer
×2
otsu
×2
python
×2
absdiff
×1
accuracy
×1
adaboost
×1
adaptiveThreshold
×1
binary
×1
binary-image
×1
c++
×1
c-api
×1
classify
×1
Color
×1
colorfilter
×1
convert
×1
csrt
×1
cvMoments
×1
documentation
×1
edgedetection
×1
edges
×1
extraction
×1
Facedetection
×1
false-positive
×1
findContours
×1
gpu
×1
HoughCircles
×1
houghlinesp
×1
HSV
×1
hue
×1
length
×1
lines
×1
Mat
×1
maxLines
×1
maxWeakCount
×1
morphologyex
×1
multiple
×1
numpy
×1
object-tracking
×1
opencv4android
×1
opencv_traincascade
×1
PCA
×1
performance
×1
profiling
×1
recognition
×1
shapedetection
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×