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728 questions
Tagged
142
views
no
answers
no
votes
2015-12-22 09:12:20 -0600
Delauney
best resolution for negatives on traincascade?
traincascade
4k
views
2
answers
6
votes
2020-03-29 10:31:54 -0600
ComputerVisionary
Missing HOG Cascade in Ver 3
HOG
2k
views
1
answer
1
vote
2014-02-07 15:18:54 -0600
berak
CascadeClassifier::Load from Memory
cascadeclassifier
215
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
13k
views
3
answers
8
votes
2014-04-17 05:25:30 -0600
Hansg91
SVM bias on weights of positives and negatives
SVM
HOG
HOGDescriptor
positives
negatives
1k
views
2
answers
2
votes
2014-02-10 06:17:34 -0600
StevenPuttemans
Performance utility for opencv_traincascade?
opencv_traincascade
opencv_performance
opencv_haartraining
224
views
no
answers
no
votes
2014-07-07 18:58:52 -0600
soulslicer
HAAR training with OpenCL
#cvHaarCascadeClassi
1k
views
1
answer
2
votes
2016-01-28 03:09:37 -0600
berak
how to use CascadeClassifier::read?
cascadeclassifier
369
views
no
answers
no
votes
2013-10-04 22:06:53 -0600
nhatphongtran
MacBeth Detection
haartraining
Pattern_recognition
279
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
936
views
1
answer
no
votes
2017-03-13 21:20:41 -0600
lqj1990
program will stuck when using detectMultiScale
object
detection
109
views
no
answers
no
votes
2013-11-10 16:14:31 -0600
8mike
How to view positives during Haar Cascade classification [closed]
#Haar
#cvHaarCascadeClassi
377
views
1
answer
no
votes
2018-04-27 06:22:47 -0600
StevenPuttemans
car detection using open cv
car
detection
1k
views
1
answer
1
vote
2014-11-02 16:40:21 -0600
_chris
Can I pause traincascade? How?
pause
traincascade
141
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
656
views
1
answer
no
votes
2014-09-27 07:55:27 -0600
johncordeiro
Improve Brand Detection Quality
#cascade
#Classifier
#surf
#keypoint-matching
232
views
no
answers
no
votes
2017-03-21 07:09:35 -0600
Crazor
Recognizing object larger than camera FOV
objectrecognition
444
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
87
views
no
answers
no
votes
2014-05-18 12:13:36 -0600
MSoegtrop
opencv_traincascade: How are positivies compared during training?
opencv_traincascade
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
168
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
667
views
1
answer
no
votes
2016-10-13 05:31:46 -0600
prala123
Cascade classifier detect multi scale always returns nothing.
opencv_traincascacde
782
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
454
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
736
views
1
answer
1
vote
2015-03-02 10:17:55 -0600
verified.human
Are cascades the best way to detect different mouth shapes on photos?
cascade
mouth
226
views
no
answers
no
votes
2017-11-07 20:38:38 -0600
vbc
opencv traincascade positive and negative image
cascadeclassifier
3k
views
1
answer
3
votes
2013-03-22 12:20:11 -0600
StevenPuttemans
Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.
cascadeclassifier
numPos
numNeg
parameters
633
views
1
answer
1
vote
2013-03-25 02:59:12 -0600
thdrksdfthmn
continue traincascade after computer crash
opencv_traincascade
continue
crash
870
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
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