Questions - OpenCV Q&A Forum

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2015-12-12 02:43:00 -0600 sukumargaonkar

Pass MatofKeypoint from Java to c++ as vector<Keypoint> - OpenCV4Android

293

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2016-04-29 01:17:02 -0600 Pawan

Segmentation Fault When OpenCV Program run as a Video Filter Plugin for VLC

849

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2017-06-09 06:47:59 -0600 rajat99

multithreading on position tracking function opencv c++

132

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2018-08-29 04:37:42 -0600 rainY

face recognize occur error in execute train method.

android

2k

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2019-03-11 10:26:05 -0600 Tuc

Error Const input blob for weights not found in function 'getConstBlob' in function readNetFromTensorFlow

opencv
dnn

229

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2015-06-20 09:44:41 -0600 valentine

c++ equivalent of IpLImage->data.fl

opencv#c++#Mat#c#fl

1k

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-1

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2015-04-02 04:07:30 -0600 StevenPuttemans

custom barcode recognition

down-voted

152

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2019-04-25 20:01:02 -0600 zack

GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?

95

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2018-05-19 00:49:40 -0600 lqsun

face detection issue

Facedetection

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2018-04-18 03:00:08 -0600 mozillaa

Nonmatching transport in server reply” when cv2.VideoCapture rtsp onvif camera, how to fix?

4k

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1

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2015-11-03 23:53:31 -0600 hans

curved line detection

112

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2018-08-01 11:51:25 -0600 graham

Cascade Training - nneg setting with prepared negative images

1k

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2019-10-27 14:57:03 -0600 virilo

reduce interest area for image stitching

image-stitching

431

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no

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2017-11-05 03:28:01 -0600 tham

Halide do not leverage gpu at all(opencv dnn)

dnnopencvmodule

726

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no

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2019-02-20 04:14:45 -0600 deckard_cain

Detect string and fret indexes on guitar fretboard

ios
opencv

588

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no

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2019-04-03 09:54:08 -0600 Scalaire

Java Kazemi Landmarks

1k

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2018-12-12 09:05:36 -0600 user8469759

SolvePnP vs Calibrate camera

3k

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2016-06-07 02:14:21 -0600 HacheEme

Python: Play UDP video streaming while sending keep alive messages

1k

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2019-11-06 03:17:41 -0600 supra56

How to get the scale factor from Mx,i = cv2.estimateAffinePartial2D

380

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answers

1

vote

2015-03-23 04:49:31 -0600 gpg

How to limit keyPoints for surfFeatureDetector

604

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2018-10-12 04:00:19 -0600 berak

Unknown layer type FIFOQueueV2 in op batch/fifo_queue in function populateNet

707

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2017-07-22 14:38:35 -0600 Leopard

How to use the MultiCameraCalibration Class to calibrate two stereo cameras?

157

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2017-03-30 17:04:32 -0600 Ricardo

Translator of sign language in real time on a mobile device?

166

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no

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2017-04-21 15:21:42 -0600 gudenau

Can't Open Video Device [Java]

java

1k

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2013-11-21 18:20:15 -0600 ibraspot

VideoCapture(filename) error (OpenCV 2.4.2) - Windows 7

158

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no

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2018-03-28 02:33:44 -0600 stevie_p

Histogram size

134

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2020-07-06 23:40:14 -0600 vegPY

Attributeerror on the jetson nano, after opencv 4.1.1 build

python

700

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no

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2013-09-24 02:15:17 -0600 StevenPuttemans

OpenCV-Python build problem with HoughCircles function

555

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no

answers

1

vote

2017-09-30 10:20:40 -0600 arpu

rectangular image as overlay on equirectangular 360 degree image

remap

172

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no

answers

no

votes

2016-02-21 03:44:20 -0600 glupescu

12,357 questions

Pass MatofKeypoint from Java to c++ as vector<Keypoint> - OpenCV4Android

Segmentation Fault When OpenCV Program run as a Video Filter Plugin for VLC

multithreading on position tracking function opencv c++

face recognize occur error in execute train method.

Error Const input blob for weights not found in function 'getConstBlob' in function readNetFromTensorFlow

c++ equivalent of IpLImage->data.fl

custom barcode recognition

GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?

face detection issue

Nonmatching transport in server reply” when cv2.VideoCapture rtsp onvif camera, how to fix?

curved line detection

Cascade Training - nneg setting with prepared negative images

reduce interest area for image stitching

Halide do not leverage gpu at all(opencv dnn)

Detect string and fret indexes on guitar fretboard

Java Kazemi Landmarks

SolvePnP vs Calibrate camera

Python: Play UDP video streaming while sending keep alive messages

How to get the scale factor from Mx,i = cv2.estimateAffinePartial2D

How to limit keyPoints for surfFeatureDetector

Unknown layer type FIFOQueueV2 in op batch/fifo_queue in function populateNet

How to use the MultiCameraCalibration Class to calibrate two stereo cameras?

Translator of sign language in real time on a mobile device?

Can't Open Video Device [Java]

VideoCapture(filename) error (OpenCV 2.4.2) - Windows 7

Histogram size

Attributeerror on the jetson nano, after opencv 4.1.1 build

OpenCV-Python build problem with HoughCircles function

rectangular image as overlay on equirectangular 360 degree image

Guidance OpenCV reduction based algorithms

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