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 ▼
29,830 questions
Tagged
1k
views
1
answer
2
votes
2012-11-27 06:36:39 -0600
venky
setimage in CascadeClassifier
cascadeclassifier
runat
setimage
Face-Detection
4k
views
2
answers
2
votes
2014-04-19 15:57:20 -0600
Y Simson
Access Violation error with findContours
findContours
2k
views
2
answers
2
votes
2012-11-27 05:26:53 -0600
Ben
OpenCV Distance Metrics
distance
euclidean
bruteforcematcher
freak
ORB
2k
views
1
answer
2
votes
2012-11-28 17:45:02 -0600
SR
Need good method for grabbing image from webcam every 10 seconds
videocapture
954
views
1
answer
2
votes
2012-11-29 00:56:56 -0600
Michael Burdinov
Create a structuring element of 3 * 3
morphology
3k
views
1
answer
2
votes
2012-11-29 14:15:09 -0600
KatieM
cascade classifier - very few haar cascades are working?
Haar
Haar-like_features
cascade
cascadeclassifier
FacialFeature
2k
views
1
answer
2
votes
2012-12-03 15:20:25 -0600
AlexanderShishkov
which mingw compiler is used to create the pre-build libs in 2.4.3 release
mingw
1k
views
1
answer
2
votes
2013-12-15 23:31:29 -0600
me
Evaluate Feature Detectors
feature
detector
descriptor
features2d
keypoint
60k
views
1
answer
2
votes
2012-12-03 04:03:31 -0600
Vladislav Vinogradov
convertTo from CV_32f to CV_8U
convertTo
CV_32F
CV_8U
1k
views
1
answer
2
votes
2012-12-03 19:24:41 -0600
ipunished
How to use bag of words to predict an image?
BOWTrainer
kmeans
objectrecognition
objectdetection
SIFT
10k
views
1
answer
2
votes
2012-12-06 15:31:27 -0600
AlexanderShishkov
how can I do back-projection?
back-projection
reprojection
calibration
1k
views
1
answer
2
votes
2012-12-08 17:07:34 -0600
Michael Burdinov
warpAffine issues
Imgproc
warpAffine
manual
3k
views
1
answer
2
votes
2012-12-11 10:36:46 -0600
SR
GetPerspectiveTransform mathematical explanation
getAffineTransform
13k
views
3
answers
2
votes
2013-06-11 08:21:36 -0600
bernardOCV
OpenCV 2.4.3 VideoCapture not working on *.avi file input
Opencv2.4.3
videocapture
x64.
win
windows7
19k
views
1
answer
2
votes
2012-12-14 06:32:18 -0600
Haris
Measure distance from detected object using opencv
distance
HoughCircles
9k
views
3
answers
2
votes
2013-03-18 17:33:15 -0600
Yun
openCV 2.4.3 iOS background_segm.hpp 'list' file not found
opencv
build
xcode
ios
iphone
33k
views
no
answers
2
votes
2012-12-18 11:58:21 -0600
Gabriele
SimpleBlobDetector and blob contours
simpleblobdetector
detector
blob-detection
contours
1k
views
1
answer
2
votes
2012-12-23 07:26:56 -0600
Michael Burdinov
Question About Histogram Comparison
compareHist
histogram
9k
views
1
answer
2
votes
2012-12-23 13:19:51 -0600
rics
Apply homography on a sinlge point
image-processing
findHomography
5k
views
1
answer
2
votes
2012-12-28 02:43:24 -0600
Alexander Smorkalov
Access Mobile Camera From Native C++ vs Android
camera
opencv4android
capture
videocapture
8k
views
2
answers
2
votes
2012-12-28 12:06:40 -0600
Mostafa Sataki
How to draw an open (non-closed) contour using drawContours?
drawContours
contour
polylines
10k
views
4
answers
2
votes
2014-11-20 17:57:52 -0600
Sowmya
Face recognition with opencv 2.4.x accuracy
face
recognition
FaceRecognition
Opencv2-4-2
1k
views
1
answer
2
votes
2015-05-20 10:17:08 -0600
Giancola
Calibration of a high resolution camera
calibration
camera
707
views
no
answers
2
votes
2013-01-07 13:49:09 -0600
flammxy1
Is LBP better than HOG in Human detection?
LBP
HOG
2k
views
1
answer
2
votes
2013-01-08 06:15:37 -0600
Alexander Smorkalov
MatOfInt, MatOfFloat, etc...
java
2k
views
1
answer
2
votes
2013-01-12 22:19:11 -0600
Kobe隐身
How to detect(rotation scale invariant) a insect from a picture?
insect
detect
SURF
flann
lsh
418
views
1
answer
2
votes
2013-01-09 07:00:15 -0600
Rick2047
What are the algorithms to perform HDRI in an image ?
algorithm
high
dynamic
range
image
638
views
1
answer
2
votes
2013-01-12 09:43:26 -0600
Mostafa Sataki
Grabcut and foreground image extraction
segmentation
392
views
no
answers
2
votes
2013-01-14 01:18:28 -0600
Dominic
How to correct this kind of distorton? [closed]
calibration
distortion
2k
views
3
answers
2
votes
2014-02-25 22:10:22 -0600
pengx
Load cascade classifier from memory?
cascade
classifer
file
memory
load
« previous
1
...
34
35
36
37
38
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
calibration
×3
videocapture
×3
camera
×2
cascade
×2
cascadeclassifier
×2
detector
×2
distance
×2
algorithm
×1
back-projection
×1
blob-detection
×1
BOWTrainer
×1
bruteforcematcher
×1
build
×1
capture
×1
compareHist
×1
contour
×1
contours
×1
convertTo
×1
CV_32F
×1
CV_8U
×1
descriptor
×1
detect
×1
distortion
×1
drawContours
×1
dynamic
×1
euclidean
×1
face
×1
Face-Detection
×1
FaceRecognition
×1
FacialFeature
×1
feature
×1
features2d
×1
file
×1
findContours
×1
findHomography
×1
flann
×1
freak
×1
getAffineTransform
×1
Haar
×1
Haar-like_features
×1
high
×1
histogram
×1
HOG
×1
HoughCircles
×1
image
×1
image-processing
×1
Imgproc
×1
insect
×1
ios
×1
iphone
×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
×