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
63 questions
Tagged
704
views
no
answers
no
votes
2017-03-30 02:14:44 -0600
WiVM
detect road shape on image without lanes lines
background
road
lanes
143
views
no
answers
no
votes
2017-06-07 04:33:05 -0600
Kashif Jumani
Which object recognition algorithm should i use?
objectmatching
object_regonition
179
views
no
answers
no
votes
2017-07-06 15:15:33 -0600
henrickd
OpenCV poor performance of Haar classifier trained by me
classifier
cascadeclassifier
HaarClassifier
808
views
no
answers
no
votes
2017-07-19 12:06:51 -0600
gfx
opencv3.0 C++ Match Template mltiple item of same object crash after introduce new one
multiple-objects
matchTemplate
419
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
2k
views
no
answers
2
votes
2017-10-24 00:32:52 -0600
teddyluo
How to train my own waldboost detector to detect vehicles in OpenCV 3.3
waldboost
633
views
no
answers
no
votes
2017-11-15 02:10:55 -0600
vbc
How to improve object detection using Haar Cascade Opencv C++?
Haar
cascade
499
views
no
answers
no
votes
2018-01-09 18:10:54 -0600
minh
A way to work with HSL?
ask
594
views
no
answers
no
votes
2018-03-01 04:26:42 -0600
hakan61750
detection of paint defect in car door handles
defectdetection
python
631
views
no
answers
no
votes
2018-04-17 13:30:04 -0600
rabeb
mjpeg-streamer/opencv
opencv
mjpg-streamer#
139
views
no
answers
no
votes
2018-05-09 08:11:56 -0600
WWWW
What is the best way to detect new cars on video frame and track them?
opencv
tracking
dnn
classifying
401
views
no
answers
no
votes
2018-07-24 08:10:12 -0600
federicoponzi
How to find round filled circles?
round
HoughCircles
1k
views
no
answers
no
votes
2018-08-10 04:06:40 -0600
Dakhoo
Tracking multiobjects recognized by Haar
detectMultiScale
tracking
python
501
views
no
answers
no
votes
2018-10-09 16:23:46 -0600
Simran
How to detect and count cars in different lanes using HAAR cascade
c++
opencv
xmlclassifier
carDetection
153
views
no
answers
no
votes
2018-11-13 06:19:58 -0600
LBerger
FLIR dev kit camera screen has stopped
MobileNetSSD
320
views
no
answers
no
votes
2019-02-11 21:29:19 -0600
chandini
Multiple object class detection by extracting image features (like SIFT or HOG)
objectdetection
Multi-class
featuresMatching
957
views
no
answers
1
vote
2019-03-28 09:06:57 -0600
emlot77
How to detect an object in an image using HOG Descriptors?
HOG
objectdetection
objectrecognition
c++
opencv
182
views
no
answers
-1
votes
2019-04-30 05:58:56 -0600
ryback
Car detection from still pictures
car
detection
158
views
no
answers
no
votes
2019-05-15 06:30:20 -0600
Shay Weissman
TinyYolo Tiny gives long process time once in a while
dnn
Yolov3
342
views
no
answers
no
votes
2019-08-20 07:37:10 -0600
LBerger
Not able to identify the images correctly
carDetection
objectdetection
1k
views
no
answers
no
votes
2019-10-08 03:43:52 -0600
khaalidi
Detect if a set pixels crossing the boundary of the bounding box
opencv
python
carDetectionc
cartracking
712
views
no
answers
no
votes
2019-11-19 11:13:41 -0600
zakaziko
Extract object and save it as an image.png using c++
c++
opencv
675
views
no
answers
no
votes
2019-11-26 13:59:12 -0600
Rishan123
cv2.error: OpenCV(4.1.0) /home/pi/opencv/opencv-4.1.0/modules/features2d/src/bagofwords.cpp:55: error: (-215:Assertion failed) !_descriptors.empty() in function 'add'
objectdetection
edges
360
views
no
answers
no
votes
2019-12-03 04:47:46 -0600
supra56
Results of opencv dnn looks weird when using the tensorflow model(faster rcnn) to detect the object
c++dnnopencv
397
views
no
answers
no
votes
2020-03-03 09:24:58 -0600
eLtronicsvilla
optical flow orientation and magnitude based background and foreground segmentation
opticalflow
computervision
image-processing
c++
opencv
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
280
views
no
answers
no
votes
2020-03-31 09:55:23 -0600
crusaderxx
Detect specific parts of car - painted area
carDetection
1k
views
no
answers
no
votes
2020-04-06 13:06:20 -0600
stefanos.dimos
How to properly estimate the Z rotation using ArUco Markers
aruco
opencv
camera
pose_estimation
orientation
809
views
no
answers
no
votes
2020-04-15 07:18:39 -0600
supra56
using solvePnP and triangulatePoints to get the object 3D points at 10 meter for obstacle coordinate estimation
depth
stereo-vision
3D-Coordinates
solvePnP
triangulatePoints
577
views
no
answers
no
votes
2020-05-17 15:01:01 -0600
YigalB
Use openCV for object+distance detection
opencv
arduino
distance
« previous
1
2
3
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×11
c++
×4
objectdetection
×4
python
×4
carDetection
×3
dnn
×3
cascadeclassifier
×2
tracking
×2
3D-Coordinates
×1
android
×1
arduino
×1
aruco
×1
ask
×1
background
×1
camera
×1
car
×1
carDetectionc
×1
cartracking
×1
cascade
×1
c++dnnopencv
×1
classifier
×1
classifying
×1
computervision
×1
CUDA
×1
defectdetection
×1
depth
×1
detection
×1
detectMultiScale
×1
distance
×1
edges
×1
featuresMatching
×1
Haar
×1
HaarClassifier
×1
HOG
×1
HoughCircles
×1
image-processing
×1
image-recognition
×1
lanes
×1
matchTemplate
×1
mjpg-streamer#
×1
MobileNetSSD
×1
Multi-class
×1
multiple-objects
×1
objectmatching
×1
objectrecognition
×1
object_regonition
×1
Opencv3.0
×1
opticalflow
×1
orientation
×1
pose_estimation
×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
×
