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728 questions
Tagged
408
views
1
answer
no
votes
2016-08-20 12:02:20 -0600
mattm401
PR Curve for Cascade w/ detectMultiScale3: Never Completes
cascadeclassifier
pr-curve
detectMultiScale
3.1.0
opencv
python
221
views
no
answers
no
votes
2016-11-10 01:45:30 -0600
Poehe
Advice on Haar/LBP approach [closed]
Haar
classifier
893
views
1
answer
no
votes
2013-11-20 04:02:47 -0600
StevenPuttemans
after make -w 30 -h 30 opencv_createsamples run very very slowly
opencv_createsamples
-w
30
run
slowly
231
views
no
answers
no
votes
2017-11-07 20:38:38 -0600
vbc
opencv traincascade positive and negative image
cascadeclassifier
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
679
views
1
answer
no
votes
2016-10-13 05:31:46 -0600
prala123
Cascade classifier detect multi scale always returns nothing.
opencv_traincascacde
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
4k
views
2
answers
no
votes
2012-06-27 11:03:16 -0600
zx9r
Fish detection. Is haartraining a good approach ?
object
detection
Haar
cascade
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
663
views
1
answer
no
votes
2014-09-27 07:55:27 -0600
johncordeiro
Improve Brand Detection Quality
#cascade
#Classifier
#surf
#keypoint-matching
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
383
views
1
answer
no
votes
2018-04-27 06:22:47 -0600
StevenPuttemans
car detection using open cv
car
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
996
views
1
answer
no
votes
2017-03-13 21:20:41 -0600
lqj1990
program will stuck when using detectMultiScale
object
detection
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
220
views
1
answer
no
votes
2017-01-25 03:56:08 -0600
StevenPuttemans
Opencv3.1-Train dataset for temp stage can not be filled. Branch training terminated. Is this error if not how can i improve it further ?
opencv3.1
cascadetraining
146
views
no
answers
no
votes
2015-12-22 09:12:20 -0600
Delauney
best resolution for negatives on traincascade?
traincascade
2k
views
1
answer
no
votes
2017-01-23 08:38:45 -0600
Martin93
Traincascade - still confused about acceptanceRatio
opencv_traincascacde
parameters
haartraining
1k
views
2
answers
no
votes
2020-03-29 05:24:53 -0600
ComputerVisionary
Passengers counting in car using opencv
objectdetection
Facedetection
persondetection
1k
views
1
answer
no
votes
2013-08-14 01:04:15 -0600
StevenPuttemans
How to use the files in haar_training and traincascade folder in openCV 2.4.6?
VC++
haartraining
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
1k
views
1
answer
no
votes
2016-06-03 13:08:52 -0600
KateSt
problems with using Haar Cascade
c++
opencv
image
algorithm
computer-vision
230
views
1
answer
no
votes
2016-09-02 03:23:50 -0600
StevenPuttemans
Concept of Cascade Classifier
cascadeclassifier
LBP
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