Questions - OpenCV Q&A Forum

742

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no

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no

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2020-10-29 11:04:48 -0600 Franck

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

Wiener

328

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no

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no

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2020-10-29 16:08:05 -0600 emuemu

Consistently failing to compile openCV with RPi 3B+

238

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no

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2020-10-30 08:09:31 -0600 DarioP

Letting highgui show pixel value in HLS colorspace

515

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no

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2020-10-30 14:57:41 -0600 Ahmed

Spatial and temporal on depth image

c++

850

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no

answers

no

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2020-10-30 17:05:24 -0600 YouNoNo

OpenCV cannot read from my VGA Webcam

opencv#window

479

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no

answers

no

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2020-10-31 01:39:08 -0600 vanditha_07

How can I get this code working in case of video having colored background?

opencvpython

855

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1

answer

no

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2020-10-31 02:54:25 -0600 berak

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

1k

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no

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2020-10-31 09:13:50 -0600 nairdap

Undefined references to tiff library

tiff
libtiff

8k

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no

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2020-11-01 08:14:19 -0600 slalomchip

Resolution Issues When Setting Video Capture Device

665

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1

answer

no

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2020-11-01 12:25:38 -0600 berak

temporal effect on depth result in ghosty image

c++

824

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no

answers

1

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2020-11-02 09:41:08 -0600 amateurpirate

No effect from setting CAP_PROP_GAIN

camera
gain

555

views

2

answers

3

votes

2020-11-02 11:17:38 -0600 sturkmen

Number extraction on metal surface1

2k

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1

answer

no

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2020-11-02 15:40:17 -0600 iacisme

Issues encoding image captured using cv2.VideoCapture(). Goal is to display image in an iPywidget

1k

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no

answers

no

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2020-11-02 16:55:50 -0600 moisu

Template Matching with Multiple Objects C++ Code

templateMatch

1k

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no

answers

no

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2020-11-02 22:20:40 -0600 supra56

Why pytesseract.image_to_data fails to recognize text?

469

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1

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no

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2020-11-03 03:21:25 -0600 mvuori

I want get image with my device

c++

1k

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1

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no

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2020-11-03 06:03:35 -0600 Maaike

Make GpuMat continuous / copy to continuous memory.

660

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no

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2020-11-03 06:24:52 -0600 Sanju

How to enable Windows media foundation hardware acceleration on opencv.

3k

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2

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no

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2020-11-03 07:40:40 -0600 supra56

Color threshholding only outputs edge for green color.

python

132

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answers

no

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2020-11-03 09:30:49 -0600 Hyderman

Display hierarchy lvl on contour.

hierarchy

714

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1

answer

no

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2020-11-03 10:14:43 -0600 cudawarped

Read video from usb/onboard camera using cv::cudacodec::VideoReader

354

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answers

no

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2020-11-03 11:45:26 -0600 antithing

Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.

99

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no

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2020-11-03 12:04:17 -0600 plswork

Capture frames of an active site [closed]

facialrecognition

1k

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answers

no

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2020-11-04 03:38:18 -0600 wilber1222

How to get raw data by OpenCV?

raw
image

574

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1

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no

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2020-11-04 08:59:59 -0600 berak

Train Cascade

141

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1

answer

no

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2020-11-04 10:51:54 -0600 berak

package bgsegm appears to be missing from OpenCV 4.5 Java

BackgroundSubtractor

516

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no

answers

no

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2020-11-04 11:26:41 -0600 vdhers

C++ allocate and copy matrix take too much time

2k

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1

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no

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2020-11-04 21:08:10 -0600 Crazy Sage

OpenCV out of memory problem on imread\imdecode

c++
imread

2k

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no

answers

no

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2020-11-04 21:12:09 -0600 Crazy Sage

How to calibrate camera with opencv circles grid pattern?

267

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no

answers

-1

votes

2020-11-05 04:50:10 -0600 berak

Does OpenCV support react js?

reactjs

29,830 questions

Opencv 4.5.0 / Android / how to implement a Wiener filter ?

Consistently failing to compile openCV with RPi 3B+

Letting highgui show pixel value in HLS colorspace

Spatial and temporal on depth image

OpenCV cannot read from my VGA Webcam

How can I get this code working in case of video having colored background?

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

Undefined references to tiff library

Resolution Issues When Setting Video Capture Device

temporal effect on depth result in ghosty image

No effect from setting CAP_PROP_GAIN

Number extraction on metal surface1

Issues encoding image captured using cv2.VideoCapture(). Goal is to display image in an iPywidget

Template Matching with Multiple Objects C++ Code

Why pytesseract.image_to_data fails to recognize text?

I want get image with my device

Make GpuMat continuous / copy to continuous memory.

How to enable Windows media foundation hardware acceleration on opencv.

Color threshholding only outputs edge for green color.

Display hierarchy lvl on contour.

Read video from usb/onboard camera using cv::cudacodec::VideoReader

Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.

Capture frames of an active site [closed]

How to get raw data by OpenCV?

Train Cascade

package bgsegm appears to be missing from OpenCV 4.5 Java

C++ allocate and copy matrix take too much time

OpenCV out of memory problem on imread\imdecode

How to calibrate camera with opencv circles grid pattern?

Does OpenCV support react js?

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