First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
relevance
date ▼
activity
answers
votes
728 questions
Tagged
350
views
no
answers
2
votes
2019-11-28 10:27:13 -0600
Elis4
How to use dnn as a detector for facemark ?
c++
opencv
face
dnn
Facemark
cascade
366
views
1
answer
no
votes
2019-11-28 11:04:17 -0600
holger
How to do hard negative mining for cascade classifier?
cascade
hardNegativeMining
316
views
1
answer
no
votes
2019-11-24 12:12:33 -0600
berak
cascade training... help!
traincascade
120
views
1
answer
no
votes
2019-10-19 05:32:35 -0600
berak
where is cvCreateTrainingSamples() function?
createsamples.cpp
173
views
no
answers
no
votes
2019-10-13 15:21:50 -0600
jpmoraga
Issue with my train cascade
traincascade
634
views
1
answer
no
votes
2020-05-22 08:27:02 -0600
supra56
[SOLVED]Determining number of Traffic Light Pattern after Detecting Traffic Light [closed]
c++
opencv
colorsegmentation
Haar
2k
views
2
answers
no
votes
2020-03-29 05:44:06 -0600
ComputerVisionary
[OSX] Can't find opencv_createsamples & opencv_traincascade
createsample
OSX
814
views
no
answers
no
votes
2019-09-19 07:10:02 -0600
dkprog
Is Haar cascade classifier suitable for bottle label detection?
haartraning
haarcascade
504
views
1
answer
no
votes
2020-03-29 05:51:41 -0600
ComputerVisionary
Cannot detect cars
cascadeclassifier
createsamples
opencv_annotation
383
views
2
answers
no
votes
2019-10-08 09:21:08 -0600
nicolasabril
Software synthesizer interface detection (lines inside of circles)
HoughCircles
linedetection
matchTemplate
orientation
166
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
577
views
1
answer
no
votes
2019-08-26 13:31:24 -0600
berak
How the HoG features work with AdaBoost in openCV?
opencv
traincascade
HOG
adaboost
346
views
no
answers
no
votes
2019-08-20 07:37:10 -0600
LBerger
Not able to identify the images correctly
carDetection
objectdetection
296
views
1
answer
no
votes
2019-08-15 14:07:44 -0600
berak
Avoid retraining a model when executing a program?
cascade
optimization
facial
recognition
597
views
1
answer
no
votes
2019-08-15 12:49:35 -0600
berak
cmake build error for 'trancascade' app
traincascade
1k
views
1
answer
no
votes
2020-03-29 06:05:47 -0600
ComputerVisionary
how to solve problem of low fps in OpenCV
c++
opencv
Facedetection
FaceRecognizer
eye
recognition
407
views
1
answer
no
votes
2020-03-29 06:08:41 -0600
ComputerVisionary
Training Haar cascades for face detection..
haartraning
Facedetection
trainData
144
views
no
answers
no
votes
2019-05-07 04:20:08 -0600
lovehell
Stage threshold in cascade training
cascadeclassifier
589
views
no
answers
no
votes
2019-04-08 09:01:00 -0600
jonasiyou
Haar Cascade for fingers [closed]
finger
xml
Haar
cascade
289
views
1
answer
no
votes
2019-03-20 01:48:30 -0600
berak
image questions in regards to training cascade classifier
LBP
casade
traincascade
image
753
views
no
answers
no
votes
2019-03-07 09:20:15 -0600
UnluckyTicket
OpenCV Annotation Tool for Mac?
haartraining
macos
673
views
1
answer
no
votes
2019-03-03 03:44:29 -0600
LBerger
How do I evaluate the performance of Haar Cascade in test data ? How do we classify the set of images in different categories using Haar Cascade, just like CNN does?
Haar
cvhaartraining
246
views
no
answers
no
votes
2019-03-02 02:51:47 -0600
UnluckyTicket
Need help with training cascade classifier
cascadeclassifier
training
cascadetraining
358
views
1
answer
no
votes
2019-02-21 04:17:13 -0600
berak
Can we create our own haar-cascade file for multi-view face detection
opencv
python
cascade
cascadeclassifier
traincascade
3k
views
2
answers
no
votes
2019-02-05 18:02:51 -0600
sturkmen
Barcode/label detection
cvhaartraining
label
barcode
1k
views
1
answer
no
votes
2019-01-16 07:28:31 -0600
berak
OpenCV 3.4.1 Cascade Classifier HOG
cascade-classifier
HOG
220
views
1
answer
no
votes
2019-01-16 04:55:03 -0600
StevenPuttemans
What algorithms are best used for recognizing objects in the street from a video stream
Haar
cascades
Neural
networks
opencv
1k
views
1
answer
-2
votes
2019-01-07 11:09:29 -0600
berak
I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated
FaceRecognizer
926
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
1k
views
no
answers
no
votes
2018-12-15 13:04:42 -0600
Abra
Fire and Smoke Detection use Color or Haar [closed]
firedetection
« previous
1
2
3
4
5
...
25
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×6
traincascade
×6
cascade
×5
cascadeclassifier
×4
Haar
×4
c++
×3
cvhaartraining
×2
Facedetection
×2
FaceRecognizer
×2
haarcascade
×2
haartraning
×2
HOG
×2
recognition
×2
adaboost
×1
barcode
×1
carDetection
×1
casade
×1
cascade-classifier
×1
cascades
×1
cascadetraining
×1
colorsegmentation
×1
createsample
×1
createsamples
×1
createsamples.cpp
×1
cvHaarCascadeClass
×1
dnn
×1
eye
×1
face
×1
Facemark
×1
FaceRecognition
×1
facial
×1
finger
×1
firedetection
×1
haarcascades
×1
haarcascade.xml
×1
haartraining
×1
hardNegativeMining
×1
HoughCircles
×1
image
×1
label
×1
LBP
×1
linedetection
×1
macos
×1
matchTemplate
×1
networks
×1
Neural
×1
objectdetection
×1
opencv_annotation
×1
optimization
×1
orientation
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
