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 »
relevance
date
activity
answers ▲
votes
728 questions
Tagged
231
views
no
answers
no
votes
2017-11-07 20:38:38 -0600
vbc
opencv traincascade positive and negative image
cascadeclassifier
455
views
no
answers
1
vote
2014-08-19 16:21:25 -0600
B.Gen.Jack.O.Neill
Why is LBP generaly faster than HAAR?
Haar-like
MBLBP
LBP
1k
views
no
answers
no
votes
2013-12-22 07:24:36 -0600
_Robert
How do I reduce the effects of lighting conditions for a face expression classification system?
classification
face
#image-processing
opencv_traincascade
Haar
LBP
797
views
no
answers
no
votes
2013-04-28 08:48:05 -0600
XiaQing
OpenCV Error:Bad argument (Can not Get new Positive sample)
opencv
traincascade.exe
positive
samples
172
views
no
answers
no
votes
2016-04-12 02:28:53 -0600
nikogamulin
Why the trained model's performance is not the same while running on PC and Android? [closed]
android
cascadeclassifier
89
views
no
answers
no
votes
2014-05-18 12:13:36 -0600
MSoegtrop
opencv_traincascade: How are positivies compared during training?
opencv_traincascade
449
views
no
answers
no
votes
2014-03-20 18:33:09 -0600
WigglesTehPro
scan only the lower half of a ROI?/ ROI within an ROI? [closed]
#facedetection
#Haar
#ROI
233
views
no
answers
no
votes
2017-03-21 07:09:35 -0600
Crazor
Recognizing object larger than camera FOV
objectrecognition
145
views
no
answers
no
votes
2016-05-19 18:58:39 -0600
Ramkumar Natarajan
opencv_traincascade to train in different colorspace
opencv
traincascade
cascadeclassifier
objectdetection
detection
112
views
no
answers
no
votes
2013-11-10 16:14:31 -0600
8mike
How to view positives during Haar Cascade classification [closed]
#Haar
#cvHaarCascadeClassi
284
views
no
answers
no
votes
2017-09-21 10:08:56 -0600
muhammad.umar600
Need Pre-trained classifier (xml) for Door detection
cascadeclassifier
DoorDetection
machinelearning
375
views
no
answers
no
votes
2013-10-04 22:06:53 -0600
nhatphongtran
MacBeth Detection
haartraining
Pattern_recognition
226
views
no
answers
no
votes
2014-07-07 18:58:52 -0600
soulslicer
HAAR training with OpenCL
#cvHaarCascadeClassi
146
views
no
answers
no
votes
2015-12-22 09:12:20 -0600
Delauney
best resolution for negatives on traincascade?
traincascade
72
views
no
answers
no
votes
2017-05-22 12:15:24 -0600
pmullowney
parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()
cascadeclassifier
161
views
no
answers
no
votes
2014-01-08 14:44:39 -0600
Tomas
traincascade strange crash when creating classifier
deleted
83
views
no
answers
no
votes
2016-06-08 10:06:31 -0600
mmc
Train dataset for temp stage can not be filled
traincascade
562
views
no
answers
3
votes
2020-09-16 09:52:00 -0600
LauLauThom
Haar cascade detector with non-maxima suppression
haarcascade
python
nms
object-detection
1k
views
no
answers
no
votes
2015-02-17 20:11:57 -0600
Richard Y. Hayashi
How to detect labels with numbers in a black rectangle?
Detect_Labels
black
rectangle
560
views
no
answers
no
votes
2015-07-02 11:15:36 -0600
wshubham
How to increase the accuracy of EigenFaceRecognizer, it recognizes two people as one?
c++
face
recognition
eigenfaces
300
views
no
answers
no
votes
2017-06-23 05:55:22 -0600
CV_open
Number of items in positive samples, haar cascade classifier
haar-cascade
classifier
positive
samples
211
views
no
answers
no
votes
2014-03-19 03:08:22 -0600
diploma
Silly question about opencv_traincascade.exe
opencv_traincascade
Haar
243
views
no
answers
no
votes
2014-01-14 22:29:30 -0600
drybochkin
TrainCascade Error [closed]
opencv_traincascade
110
views
no
answers
no
votes
2018-03-07 09:21:15 -0600
Jad
The number of rejected windows in detectMultiScale()
cascadeclassifier
cascade
haar-cascade
objectdetection
opencv
378
views
no
answers
4
votes
2013-11-24 06:02:21 -0600
Peter Borkuti
program to select objects on images and label them [closed]
contribute
createsamples
labeling
traincascade
1k
views
no
answers
no
votes
2017-05-11 07:24:21 -0600
CV_open
traincascade acceptance Ratio break value
traincascade
Haar
acceptance
ratio
408
views
no
answers
no
votes
2016-06-16 09:26:47 -0600
BookBookBook
Problem with detectMultiScale and drawing returned rectangles [closed]
detectMultiScale
711
views
no
answers
no
votes
2015-04-14 16:17:34 -0600
OrkunK
opencv_performance return error well trained data with opencv_traincascade
opencv_traincascacde
275
views
no
answers
no
votes
2014-07-17 02:43:45 -0600
MaR1oC
Which image format is the best for haar training? [closed]
cvhaartraining
525
views
no
answers
no
votes
2014-03-16 14:42:03 -0600
Rolo
Logo Text Detection Accuracy
LOGO
Text
detection
Haar
classifier
stages
« previous
1
...
3
4
5
6
7
...
25
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
cascadeclassifier
×6
traincascade
×5
Haar
×4
opencv_traincascade
×4
opencv
×3
classifier
×2
#cvHaarCascadeClassi
×2
detection
×2
face
×2
#Haar
×2
haar-cascade
×2
LBP
×2
objectdetection
×2
positive
×2
samples
×2
acceptance
×1
android
×1
black
×1
c++
×1
cascade
×1
classification
×1
contribute
×1
createsamples
×1
cvhaartraining
×1
deleted
×1
Detect_Labels
×1
detectMultiScale
×1
DoorDetection
×1
eigenfaces
×1
#facedetection
×1
haarcascade
×1
Haar-like
×1
haartraining
×1
#image-processing
×1
labeling
×1
LOGO
×1
machinelearning
×1
MBLBP
×1
nms
×1
object-detection
×1
objectrecognition
×1
opencv_traincascacde
×1
Pattern_recognition
×1
python
×1
ratio
×1
recognition
×1
rectangle
×1
#ROI
×1
stages
×1
Text
×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
×
