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211 questions
Tagged
748
views
1
answer
no
votes
2016-07-20 03:48:15 -0600
StevenPuttemans
Transparency (alpha) handling in cascade training?
transparency
alpha
createsamples
opencv_createsamples
5k
views
1
answer
2
votes
2016-07-21 15:03:29 -0600
eTicket
How to train classifiers the best way possible
objectdetection
LBP
cascadeclassifier
cascade
Haar
traincascade
2k
views
1
answer
no
votes
2016-10-04 06:42:58 -0600
StevenPuttemans
Cascade Training Error OpenCV 3.0.0 - Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.
traincascade
opencv3.0.0
python2.7.12
ubuntu16.04
572
views
1
answer
no
votes
2016-10-05 05:59:56 -0600
StevenPuttemans
cascade training best practices for lit sign
opencv_traincascade
lights
Sign
372
views
1
answer
no
votes
2018-02-27 07:01:32 -0600
Akshata7
why we should create .vec files to train harr cascade classifier.
createsamples
213
views
1
answer
no
votes
2018-07-07 03:48:56 -0600
berak
how can I solve this error?
train_cascade
407
views
1
answer
no
votes
2020-03-29 06:08:41 -0600
ComputerVisionary
Training Haar cascades for face detection..
haartraning
Facedetection
trainData
316
views
1
answer
no
votes
2019-11-24 12:12:33 -0600
berak
cascade training... help!
traincascade
297
views
no
answers
no
votes
2016-02-03 10:33:51 -0600
Lory
Why does OpenCV recognize the object only in training images? [closed]
coins
LBP
lbptraining
detectMultiScale
135
views
no
answers
-2
votes
2018-03-22 06:34:47 -0600
shive
facerecognition using fisherfaces [closed]
opencv
c++
254
views
no
answers
no
votes
2017-06-22 02:48:58 -0600
wureka
my trained cascade.xml makes the call detectMultiScale(...) hangs [closed]
opencv
3.2.0
cascadeclassifier
traincascade
108
views
no
answers
no
votes
2016-12-01 04:18:32 -0600
lemurdock
Haar Cascade OpenCV Python [closed]
cascade
141
views
no
answers
no
votes
2016-01-29 05:01:46 -0600
carl82
Facial detection positive sample vector size
facial
recognition
197
views
no
answers
no
votes
2017-03-28 01:28:59 -0600
Julius
TrainCascade: Choise of parameters and positive image [closed]
cascade
cascadetraining
131
views
no
answers
no
votes
2014-03-04 01:14:30 -0600
Lokesh Tiwari
OPEN CV Haartraining Fails at last command of training
c++
haartraining
415
views
no
answers
no
votes
2015-06-25 04:20:29 -0600
angela
Detections too small with OpenCV Cascade classifier
opencv
python
390
views
no
answers
no
votes
2017-11-05 10:45:26 -0600
jakub.pietrzak96
opencv_traincascade too quick with bad results [closed]
opencv_createsamples
Haar
cascade
401
views
no
answers
no
votes
2016-03-03 05:24:58 -0600
huhu
Mobile Object Detection through Client-Server framework
objectdetection
clientServer
544
views
no
answers
no
votes
2016-11-10 09:01:16 -0600
ThorbjornSomod
Training a lbp detector/classifier
Lpbcascade
classifier
1k
views
no
answers
no
votes
2015-07-02 05:30:19 -0600
crustycrab
Unspecified error (The node does not represent a user object (unknown type?)) in function cvRead
node
190
views
no
answers
no
votes
2013-11-12 23:57:55 -0600
gsgrebe
traincascade exits early, no error [closed]
cascadetraining
87
views
no
answers
no
votes
2015-10-20 07:19:11 -0600
kelpie
opencv_traincascade unhandeled exception
cvhaartraining
563
views
no
answers
no
votes
2013-10-22 03:06:52 -0600
samkhan13
Python, OpenCV: unable to make custom LBP cascade using opencv_traincascade
python
boosting
cascadeclassifier
traincascade
544
views
no
answers
no
votes
2017-07-02 21:51:36 -0600
wureka
Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P
copencv
3.2.0
CUDA8.0
linux
632
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
95
views
no
answers
no
votes
2015-11-25 07:28:13 -0600
belgraviton
Cascade classifier stage construction looping [closed]
cascade
1k
views
no
answers
no
votes
2014-02-05 05:39:22 -0600
ART
Unspecified error in persistence.cpp during trainingcascade
#traincascade
#opencv
#CascadeClassifier
object-detection
persistence.cpp
273
views
no
answers
no
votes
2015-05-07 07:20:34 -0600
Fabbricio
How to train two objects with different sizes in openCv [closed]
android
opencv
371
views
no
answers
no
votes
2014-05-12 20:49:53 -0600
alberta_008
TrainCascade stuck on getting new negatives
#cvhaartraining
#traincascade
#cvHaarCascadeClassi
235
views
no
answers
no
votes
2014-07-24 14:17:06 -0600
Shiloh
Question about numPos, S in traincascade, and hard negative
#python
#opencv
#numPos
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