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83 questions
Tagged
edges
×
307
views
no
answers
no
votes
2019-11-23 02:11:07 -0600
hardik patel
android face recognition
facerecognize
android
opencv
Facedetection
edges
481
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
14k
views
2
answers
1
vote
2016-02-24 01:00:24 -0600
darshana.mistry
phase correlation for image registration(image stitching)
FFT
stitching
image
registration
correlation
edges
3k
views
1
answer
1
vote
2012-09-05 13:00:39 -0600
Lucas Walter
What is the easiest way to display a cv::Mat in a decoration free full-screen window?
highgui
edges
631
views
1
answer
1
vote
2014-05-17 17:31:17 -0600
FooBar
Image matching in a large image collection
matching
edges
870
views
2
answers
1
vote
2014-07-15 21:24:43 -0600
Witek
like the picture below,how can i deal with the blue edges?
edges
1k
views
1
answer
1
vote
2016-10-11 16:29:14 -0600
Gabriel Alacchi
Does OpenCV have a built in Edge Boxes implementation?
objectdetection
edges
357
views
1
answer
1
vote
2017-08-21 08:06:08 -0600
chetanreddy
watershed algorithm to image with grey background
watershed
segmentation
grabcut
edges
329
views
no
answers
1
vote
2017-10-27 03:35:08 -0600
Jas92
How to label/track HOG detections in order to improve the detection system? [closed]
HOG
peopledetection
labeling
tracking
kalman
edges
560
views
1
answer
1
vote
2017-10-27 17:12:12 -0600
eshirima
newbe question about OpenCV live video capabities
Video
overlay
gaming
image
image-processing
edges
465
views
1
answer
1
vote
2017-11-06 21:08:45 -0600
Tetragramm
Kalman filter matrices
c++
opencv
KalmanFilter
edges
1k
views
1
answer
1
vote
2018-02-22 02:44:25 -0600
Grillteller
Get strength of edges using magnitude
Opencv3.2.0
magnitude
edges
LSDDetector
270
views
no
answers
1
vote
2018-12-03 07:44:32 -0600
Filippo9669
Max gradient magnitude in Canny's algorithm
opencv
c++
edges
canny
gradient
threshold
1k
views
1
answer
2
votes
2016-11-07 22:41:20 -0600
Tetragramm
canny edge detection for 32 bit floats
canny
edge-detection
IPL_DEPTH_32F
8bit
edges
1k
views
1
answer
2
votes
2016-02-26 17:57:41 -0600
sturkmen
eliminating edges
edges
boundingRect
reduce
Noteworthy_Content
305
views
1
answer
2
votes
2019-11-30 01:43:53 -0600
ojesus
python liveliness detection
livliness
opencv
python
Binarization
edges
8k
views
2
answers
3
votes
2016-02-16 13:44:41 -0600
pthomet
solvePnP fails with perfect coordinates (and cvPOSIT passes)
solvePnP
edges
2k
views
2
answers
4
votes
2012-07-20 13:34:26 -0600
Ilya Lysenkov
Weird result while finding angle
python
sobel
canny
edges
5k
views
1
answer
4
votes
2012-08-10 14:56:16 -0600
Tharaki
How to detect square in a video using c++ and opencv?
opencv
shape
edges
detection
4k
views
2
answers
4
votes
2012-10-25 00:42:48 -0600
sammy
Detecting thick edges
edges
edgedetection
canny
sobel
edge-detection
7k
views
2
answers
5
votes
2012-07-22 11:34:45 -0600
Misha
Sobel derivatives in the 45 and 135 degree direction
sobel
edges
kernel
filter2D
1k
views
2
answers
5
votes
2013-12-22 02:54:36 -0600
mtourne
Filtering out coast line
canny
edges
coastline
segmentation
polygon
8k
views
2
answers
6
votes
2013-05-16 20:20:19 -0600
RaulPL
Object recognition by edge (or corners) matching ?
edges
objectdection
corners
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