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198 questions
Tagged
1k
views
no
answers
no
votes
2017-05-11 07:24:21 -0600
CV_open
traincascade acceptance Ratio break value
traincascade
Haar
acceptance
ratio
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
211
views
no
answers
no
votes
2014-03-19 03:08:22 -0600
diploma
Silly question about opencv_traincascade.exe
opencv_traincascade
Haar
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
558
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
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
559
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
83
views
no
answers
no
votes
2016-06-08 10:06:31 -0600
mmc
Train dataset for temp stage can not be filled
traincascade
160
views
no
answers
no
votes
2014-01-08 14:44:39 -0600
Tomas
traincascade strange crash when creating classifier
deleted
72
views
no
answers
no
votes
2017-05-22 12:15:24 -0600
pmullowney
parallelization of apps/traincascade/cascadeclassifier::fillPassedSamples()
cascadeclassifier
146
views
no
answers
no
votes
2015-12-22 09:12:20 -0600
Delauney
best resolution for negatives on traincascade?
traincascade
226
views
no
answers
no
votes
2014-07-07 18:58:52 -0600
soulslicer
HAAR training with OpenCL
#cvHaarCascadeClassi
374
views
no
answers
no
votes
2013-10-04 22:06:53 -0600
nhatphongtran
MacBeth Detection
haartraining
Pattern_recognition
283
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
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
233
views
no
answers
no
votes
2017-03-21 07:09:35 -0600
Crazor
Recognizing object larger than camera FOV
objectrecognition
89
views
no
answers
no
votes
2014-05-18 12:13:36 -0600
MSoegtrop
opencv_traincascade: How are positivies compared during training?
opencv_traincascade
795
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
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
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
229
views
no
answers
no
votes
2017-11-07 20:38:38 -0600
vbc
opencv traincascade positive and negative image
cascadeclassifier
287
views
no
answers
no
votes
2014-02-14 08:59:38 -0600
Astrgan
How to use opencv_createsamples to create many pictures?
opencv_createsamples
2k
views
no
answers
no
votes
2014-11-18 12:27:23 -0600
Pradeep C
OpenCV Error: Assertion failed (!empty()) in detectMultiScale
#video-processing
#Classifier
#xcode
364
views
no
answers
no
votes
2015-01-05 17:55:54 -0600
jreinertnash
Background texture classification of portrait images
texture
GLCM
clustering
classification
background
portrait
563
views
no
answers
5
votes
2015-01-23 07:32:31 -0600
cryptid
OpenCV SaaS - would you use it?
opencv
c++
saas
ruby
python
626
views
no
answers
no
votes
2015-07-06 10:09:59 -0600
jackwayneright
opencv_traincascade stuck on precalculation when running LBP mode
3.0.0
opencv_traincascade
111
views
no
answers
no
votes
2015-07-16 06:00:19 -0600
angela
opencv_traincascade: obtaining number of features per stage
opencv_traincascade
features
297
views
no
answers
no
votes
2016-06-30 10:13:20 -0600
bertumen.wj
I plan to recognize paper bills by denomination but i can't think of a way to do so ... it must be invariant of illumination, rotation and scale. can i use haar or LBP ? do you have any suggestions?
cvHaarCascadeClassi
cvhaartraining
akaze
304
views
no
answers
no
votes
2016-12-26 06:04:55 -0600
petr.shypila
Object detection rectangle doesn't cover whole object
object-detection
object_recognition
562
views
no
answers
no
votes
2017-06-17 15:01:46 -0600
Eduardo
False positive (FP) decreasing methods
false-positive
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