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97 questions
Tagged
cascadeclassifier
×
1k
views
no
answers
no
votes
2020-06-24 23:05:05 -0600
neel19
I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16
cascadeclassifier
classifier
Haar
image-processing
image-recognition
282
views
no
answers
no
votes
2020-04-28 17:41:28 -0600
AndrakoValle
How to train more accurate Haar Cascades?
opencvpython
haartraning
objectdetection
cascadeclassifier
computervision
201
views
no
answers
1
vote
2020-01-08 17:43:05 -0600
simba
why value of levelWeights given by CascadeClassifier::detectMultiScale can be negative?
cascadeclassifier
detectMultiScale
weight
300
views
no
answers
no
votes
2019-08-09 14:55:25 -0600
Programmerperson
OpenCV face detection results in "debug assertion failed"
c++
opencv
Facedetection
cascadeclassifier
232
views
no
answers
no
votes
2019-06-05 03:44:48 -0600
supra56
CascadeClassifier doesn't work with cascade.xml trained by myself. It always blocked when use method detectMultiScale()
cascadeclassifier
xml
130
views
no
answers
no
votes
2019-05-07 04:20:08 -0600
lovehell
Stage threshold in cascade training
cascadeclassifier
223
views
no
answers
no
votes
2019-03-02 02:51:47 -0600
UnluckyTicket
Need help with training cascade classifier
cascadeclassifier
training
cascadetraining
300
views
no
answers
no
votes
2019-01-05 10:11:41 -0600
wpadka
Haar cascade classifier - Multiple detecting same object
cascadeclassifier
haartraning
c++
opencv
512
views
no
answers
no
votes
2018-11-09 09:32:20 -0600
caiocanalli
Low accuracy of SVM on Android
SVM
cascadeclassifier
android
BOW
203
views
no
answers
no
votes
2018-08-02 09:57:12 -0600
Zizhao
Can we do model ensemble on several cascade classifiers ?
cascadeclassifier
traincascade
cascade
271
views
no
answers
no
votes
2018-07-06 10:12:08 -0600
Bleach
Cascade file trained in traincascade in cuda::CascadeClassifier
cascadeclassifier
traincascade
cascade
1k
views
no
answers
no
votes
2018-05-25 03:39:26 -0600
Jylomaki
openCV js Loading a trained model file
opencvjs
cascadeclassifier
1k
views
no
answers
no
votes
2018-05-03 12:06:23 -0600
RazeK
How to improve the performance of a Haar cascade classifier during training?
opencv_traincascade
cascadeclassifier
opencv_createsamples
2k
views
no
answers
-1
votes
2018-05-02 17:18:03 -0600
mssm1996
OpenCV Detecting Traffic Light green signal
object-detection
cascadeclassifier
traincascade
2k
views
no
answers
no
votes
2018-04-17 13:38:55 -0600
guerreiro
error starting CascadeClassifier with xml file
cascadeclassifier
python
103
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
70
views
no
answers
no
votes
2018-03-06 07:13:41 -0600
Jad
Is there a way to compute precision of a boosted cascade stages?
cascadeclassifier
211
views
no
answers
no
votes
2018-03-03 11:37:57 -0600
Jad
error while visualizing the cascade stage features
cascadeclassifier
cascade
boosting
object_detection
Haar
251
views
no
answers
no
votes
2018-02-10 00:56:13 -0600
ice
Cascade Classifier
opencv
c++
cascadeclassifier
121
views
no
answers
no
votes
2018-01-24 17:12:31 -0600
loviso
How to evaluate a cascade classifier?
pr_curve
opencv
cascadeclassifier
130
views
no
answers
no
votes
2017-12-25 19:54:20 -0600
bateringzax
High false alarm rates at step 100 for cascade training
cascadetraining
cascadeclassifier
opencvtraincascade
133
views
no
answers
no
votes
2017-12-21 20:43:46 -0600
bateringzax
Poor Cascade Training Results
cascadeclassifier
cvhaartraining
traincascade
223
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
2017-10-30 11:27:43 -0600
Machete
finger nails detection iOS
ios
opencv
objectdetection
objectiveC
cascadeclassifier
cvHaarCascade
335
views
no
answers
no
votes
2017-10-25 08:32:24 -0600
wpadka
My Own Cascade Classifier: Can not get new positive sample. The most possible reason is insufficient count of samples in given vec-file.
cascadeclassifier
traincascade
705
views
no
answers
no
votes
2017-10-06 13:52:14 -0600
holdman
Cascade Classifier - detectmultiscale does not return MatOfRect objects
cascadeclassifier
android
opencv
cvhaartraining
61
views
no
answers
no
votes
2017-09-25 04:17:57 -0600
happy__
an exception occurs when calling getFeatureType
Mat
cascadeclassifier
1k
views
no
answers
no
votes
2017-09-22 09:45:15 -0600
Lubagov
OpenCV 3.3 setNumThreads(0) bug
setNumThreads
cascadeclassifier
opencv
3.3
270
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
277
views
no
answers
no
votes
2017-09-03 04:19:58 -0600
holdman
How to recognize specific objects
image-recognition
Opencv3.0
cascadeclassifier
android
opencv
1
2
3
4
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