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728 questions
Tagged
323
views
1
answer
no
votes
2014-09-02 23:02:25 -0600
Haris
Help with createFisherFaceRecognizer();
createFisher
FaceRecognizer
r6010
memory_error
cpp
facerec_video
541
views
no
answers
no
votes
2016-11-10 09:01:16 -0600
ThorbjornSomod
Training a lbp detector/classifier
Lpbcascade
classifier
3k
views
1
answer
no
votes
2012-11-04 07:35:10 -0600
Philipp Wagner
Face Recognition in Video using OpenCV gives unhandled exception
Opencv2-4-2
exception
1k
views
3
answers
no
votes
2013-06-07 11:43:49 -0600
mijl43
face recognition using opencv2.4.3
Face-Recognition
530
views
1
answer
no
votes
2013-02-22 10:08:47 -0600
berak
facerec_demo model->predict exception thrown
EigenFace
Face-Recognition
facerec_demo
FaceDetectVideo
facedetect
472
views
no
answers
no
votes
2014-01-12 07:10:30 -0600
lukaszbobrek
FaceRecognizer is there any way to use prediction with string format (instead of int). [closed]
#facerecognizer
#label
#string
2k
views
1
answer
no
votes
2016-09-08 05:21:53 -0600
CLeBeR
Assertion error in cvtColor
coredump
assertionerror
SegmentaionFault
read_csv
381
views
1
answer
no
votes
2018-03-04 06:40:14 -0600
Rupan
Facial recognition run error: Image step is wrong
facial_recognition
fisherface
902
views
no
answers
no
votes
2018-12-19 08:16:51 -0600
oja
Hey guys I am doing a face recognition project using LBPHFaceRecognizer the problen is that for few images (test images) the model is recognizing and for few images it is giving this error: (-215:Assertion failed) s >= 0 in function 'cv::setSize' [closed]
FaceRecognition
472
views
no
answers
no
votes
2017-12-09 03:44:37 -0600
procton
Road detection and machine learning
road
detection
opencv
java
traincascade
2k
views
1
answer
no
votes
2016-12-17 01:50:22 -0600
berak
openCV 2.4.9.1 sample creation works but gives error message
cvhaartraining
2.4.9
opencv
sample
classifier
cvHaarCascade
215
views
no
answers
no
votes
2014-05-19 16:41:54 -0600
Fox_21
OpenCV Python face accuracy
python
cascadeclassifier
285
views
no
answers
no
votes
2016-08-05 04:42:04 -0600
Param92
OpenCV 3.1.0 Cascade Classifier detectMultiScale provides inconsistent results on different machines
detectMultiScale
opencv-3.1.0
VS2013
2k
views
1
answer
no
votes
2017-04-21 11:34:45 -0600
StevenPuttemans
Best method to detect facial hair?
c++
opencv
Beard
hair
161
views
no
answers
no
votes
2019-09-05 13:41:55 -0600
vito95
how does opencv handle rectangles feature of haar cascade classifier?
haarcascade.xml
haarcascade
cvHaarCascadeClass
haarcascades
664
views
1
answer
no
votes
2016-08-29 06:25:32 -0600
StevenPuttemans
Face detection using OpenCV with Java
Facedetection
cascade
633
views
no
answers
no
votes
2018-11-09 09:32:20 -0600
caiocanalli
Low accuracy of SVM on Android
SVM
cascadeclassifier
android
BOW
858
views
no
answers
no
votes
2015-04-13 05:22:53 -0600
pulp_fiction
Using an old format Haar Cascade Classifier File
opencv
cvhaardetectobject
haarcascade
objectdetection
oldformatxml
cascade.xml
2k
views
2
answers
no
votes
2013-07-13 13:05:25 -0600
asd
correct parameters for createsamples and traincascade
opencv_createsample
opencv_createsamples
opencv_traincascade
cascade.xml
cascade
cascadeclassifier
2k
views
1
answer
no
votes
2014-06-03 02:48:02 -0600
StevenPuttemans
LBP for vehicle detection
LBP
vehicle
cascade
1k
views
1
answer
no
votes
2013-07-31 17:22:19 -0600
Mathieu Barnachon
Fastest, and most accurate eye finding algorithm available in opencv?
eye
pupil
detection
1k
views
2
answers
no
votes
2014-01-22 22:12:18 -0600
Parthi
what kind of approach can be used for recognize hand signs?
#hand-gestures
#recognition
#svm
#contours
87
views
no
answers
no
votes
2017-06-13 17:07:22 -0600
JP MOCHET
haar detection bouding box
objectdetection
1k
views
1
answer
no
votes
2013-10-17 10:43:00 -0600
Pedro Batista
C++ error in haartraining attempts
cvhaartraining
cvHaarDetectObjects
assertion
616
views
1
answer
no
votes
2017-03-07 01:11:10 -0600
berak
Load Single Channel Numpy Array Image with detectMultiScale
detectMultiScale
numpy
1k
views
no
answers
no
votes
2016-10-04 01:24:47 -0600
berak
how to dispaly percentage pridiction in fisher face recoginition algorithm
Face-Recognition
python
Fisherfaces
4k
views
1
answer
no
votes
2017-06-16 00:13:01 -0600
berak
Training and Test images must be of equal size
FaceRecognizer
opencv
python
410
views
no
answers
no
votes
2015-06-25 04:20:29 -0600
angela
Detections too small with OpenCV Cascade classifier
opencv
python
1k
views
1
answer
no
votes
2017-05-15 14:40:15 -0600
Damien45
Best approach to detect read numbers from 1 to 99
OCR
training
feature-detection
830
views
1
answer
no
votes
2020-10-13 04:33:44 -0600
berak
I'm getting the following error while using OpenCV
opencv
with
python
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