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
577
views
1
answer
1
vote
2016-06-26 18:49:41 -0600
Solace
My contours smaller than a certain value are Not being removed from list of contours, despite of correct logic. Why?
contour
findContours
drawContours
924
views
1
answer
no
votes
2016-06-26 18:46:10 -0600
Solace
Why does calcHist() method create an empty black histogram Mat?
opencv4android
opencv
Opencv3.0
histogram
calcHist
803
views
no
answers
no
votes
2016-06-26 18:44:38 -0600
Solace
Why am I getting this Assertion Failed error in my calcHist() call? [closed]
opencv4android
opencv
Opencv3.0
histogram
calcHist
777
views
1
answer
no
votes
2016-06-26 09:38:52 -0600
sturkmen
How to draw contours INSIDE the edges of detected shape/blob?
opencv4android
opencv
Opencv3.0
504
views
1
answer
no
votes
2016-06-26 09:36:47 -0600
patryk.beza
OpenCV Contrib Face module with Java wrapper - returning multiple predictions
opencv_contrib
face
eigenfaces
FaceRecognizer
facerec
java
507
views
no
answers
no
votes
2016-06-26 08:53:14 -0600
Gesture Rec
How to count Convexity Defects ?
hand-detection
convexityDefects
668
views
1
answer
no
votes
2016-06-26 08:31:25 -0600
wiliamps
Keeping original image colors
originalcolor
brightness
contrast
sharpness
colorcapture
330
views
no
answers
no
votes
2016-06-26 06:06:03 -0600
Bruce
Cannot resolve corresponding JNI function Java_org_opencv_features2D_featuresDetector_detect_12...more(ctrl+F1) [closed]
opencv
286
views
no
answers
no
votes
2016-06-26 05:04:43 -0600
francisv
OpenCV 2.4.10 compilation problem with CUDA 6.5 On MAC OS Yosemite (compiler: AppleClang6.0.0.6000056)
compilation
error
86
views
no
answers
no
votes
2016-06-25 23:42:41 -0600
lp930297533
How can I find the depth of a pixel from a depth map file? [closed]
datadepth
kinect
dataset
database
75
views
no
answers
no
votes
2016-06-25 17:26:34 -0600
preeti
Estimating camera angle from the image distortion.
c++#opencv#CV
5k
views
no
answers
no
votes
2016-06-25 12:45:48 -0600
atv
best way to check Mat empty/size and ROI size [closed]
roi
crop
320
views
no
answers
no
votes
2016-06-25 12:32:22 -0600
solarflare
Emgu Camera Calibration with micro video lens [closed]
calibrateCamera
emgucv#csharp
23
views
no
answers
no
votes
2016-06-25 12:13:31 -0600
atv
average mean fisherface/components
opencv
152
views
1
answer
no
votes
2016-06-24 23:24:32 -0600
berak
improve existing cascade.xml ?
cascadeclassifier
traincascade
cascade.xml
1k
views
no
answers
no
votes
2016-06-24 16:24:07 -0600
goldroses
How to flip matrix in place? [closed]
flip
matconvertto
CvMat
2d-image
898
views
1
answer
1
vote
2016-06-24 15:10:31 -0600
Elessar
Simple image stitching (C++)
image-stitching
c++
228
views
no
answers
no
votes
2016-06-24 13:12:11 -0600
jojo94
how to use opencv4android pca to train svm model? [closed]
android
opencv
Opencv3.0
opencv4android
PCA
1k
views
1
answer
no
votes
2016-06-24 12:30:59 -0600
peter_ham
Can I draw a square region of interest and crop it from original image using OpenCV functions?
Cropping
roi
3k
views
no
answers
no
votes
2016-06-24 12:26:59 -0600
kaylee frye
How do I switch between versions of OpenCV?
multiple-versions
200
views
no
answers
-1
votes
2016-06-24 07:06:23 -0600
VanGog
Should we use filters on colored images? Convolving filter performance.
Filters
performance
84
views
no
answers
no
votes
2016-06-24 05:48:18 -0600
Oyavq
Use 2 cameras simultaneously
c++
opencv
420
views
no
answers
no
votes
2016-06-24 05:35:51 -0600
Mohammed Karim
Opencv stereo calibration problem with result
stereo-calibration
1k
views
no
answers
no
votes
2016-06-24 03:50:49 -0600
VanGog
HSV colorspace clarification [closed]
HSV
colorspace
515
views
no
answers
no
votes
2016-06-24 03:07:46 -0600
malkuh
Trackbar not working (window not showing)
trackbar
window
289
views
1
answer
no
votes
2016-06-24 01:42:36 -0600
J. Romeo
Printing precise AR markers
DPI
augmentedReality
Printing
675
views
1
answer
no
votes
2016-06-23 21:36:15 -0600
indiangolfer
Opencv 3.0 crashing on raspberry pi
opencv
Raspberry
Pi
python3
splitter_port
226
views
1
answer
no
votes
2016-06-23 20:39:17 -0600
Tetragramm
how to register an ir image with point cloud using opencv
pointcloud
c++
opencv
254
views
1
answer
no
votes
2016-06-23 20:35:30 -0600
Tetragramm
objecttracking methods, best solution?
opencv
12k
views
3
answers
no
votes
2016-06-23 18:03:54 -0600
Goldenline
how to play live network stream
play
LiveVideo
stream
« previous
1
...
475
476
477
478
479
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×10
Opencv3.0
×4
opencv4android
×4
c++
×3
calcHist
×2
histogram
×2
roi
×2
2d-image
×1
android
×1
augmentedReality
×1
brightness
×1
calibrateCamera
×1
cascadeclassifier
×1
cascade.xml
×1
colorcapture
×1
colorspace
×1
compilation
×1
contour
×1
contrast
×1
convexityDefects
×1
c++#opencv#CV
×1
crop
×1
Cropping
×1
CvMat
×1
database
×1
datadepth
×1
dataset
×1
DPI
×1
drawContours
×1
eigenfaces
×1
emgucv#csharp
×1
error
×1
face
×1
facerec
×1
FaceRecognizer
×1
Filters
×1
findContours
×1
flip
×1
hand-detection
×1
HSV
×1
image-stitching
×1
java
×1
kinect
×1
LiveVideo
×1
matconvertto
×1
multiple-versions
×1
opencv_contrib
×1
originalcolor
×1
PCA
×1
performance
×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
×
