Questions - OpenCV Q&A Forum

6k

views

1

answer

no

votes

2018-12-10 23:29:41 -0600 berak

How to convert Mat <-> UMat back-and-forth

CvMat
gpumat

76

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no

answers

no

votes

2018-12-10 11:37:34 -0600 Albenis

Read CNN with opencv

CNN

1k

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1

answer

no

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2018-12-12 12:34:03 -0600 sturkmen

problem with library openCV contrib has no 'face' attribute

332

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1

answer

no

votes

2018-12-10 08:32:07 -0600 josh

Missing createsamples utility after building from source opencv 4.0.0 [closed]

createsamples

6k

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1

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no

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2018-12-10 10:35:51 -0600 berak

error in cmake while configuring opencv extra modules path

2k

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no

answers

1

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2018-12-10 07:44:12 -0600 Tomasz Grobelny

improving face detection accuracy [closed]

2k

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1

answer

1

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2018-12-12 08:30:28 -0600 Orelox

Proper ways of detection and tracking. I am confused.

260

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no

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-2

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2018-12-10 04:48:32 -0600 Ganesh Patil

cv2.error: /io/opencv/modules/imgproc/src/imgwarp.cpp:3483: error: (-215) ssize.width > 0 && ssize.height > 0 in function resize

down-voted

76

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no

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no

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2018-12-10 01:44:22 -0600 LP

I want to detect the extra objects in the room [closed]

BackgroundSubtractor

210

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no

answers

no

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2018-12-10 01:35:42 -0600 Sarfraz

How to count captured object from webcam in python? [closed]

66

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no

answers

no

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2018-12-10 01:29:06 -0600 SunXuan

All image pixel values become 205 after setting CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT in OpenCV using webcam

c++#webcam

137

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no

answers

no

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2018-12-09 13:07:07 -0600 kumbulilalu

How do I build the real time pose estimation tutorial on Visual Studio? [closed]

opencv
c++

565

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1

answer

no

votes

2018-12-09 14:07:33 -0600 kbarni

Expectation Maximization Prediction Issues

2k

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1

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no

votes

2018-12-09 06:19:08 -0600 berak

converting Lab to RGB

android
java

541

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1

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no

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2018-12-09 07:21:57 -0600 kbarni

Is Raspberry Pi 3A+ enough for multiple color based object detection ?

888

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1

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no

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2018-12-09 07:15:14 -0600 berak

Stereo Calibration using sample code

894

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1

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no

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2018-12-14 01:53:50 -0600 Th3_noob

Extracting foreground with otsu thresholding

image-segmentation

1k

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1

answer

1

vote

2018-12-08 01:40:47 -0600 berak

Segmenting two contours into two different images of same size using openCV-python

contours

1k

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1

answer

no

votes

2018-12-08 19:32:21 -0600 Eduardo

OpenCV real_time_pose_estimation not working

pose-estimation

187

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no

answers

no

votes

2018-12-07 15:39:33 -0600 bquad

IPM to laser scan?

221

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no

answers

no

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2018-12-07 14:12:43 -0600 wus1

Why cv2.StereoSGBM.compute(left, right, disp) has no mask input

StereoSGBM

1k

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no

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no

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2018-12-07 21:02:53 -0600 trispade

build opencv for windows

1k

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no

answers

no

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2018-12-07 10:56:14 -0600 sreevathsabr

Facing Problem in drawing counters for resized Image

contour

196

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no

answers

1

vote

2018-12-08 17:16:42 -0600 Mikelh

I would like to detect my horse in her stable [closed]

655

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no

answers

no

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2018-12-07 07:38:47 -0600 Théo31

GPU slower than CPU with Mali G72

5k

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1

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no

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2018-12-07 11:28:14 -0600 Eduardo

Calculate robot coordinates from measured chessbaord corners ( hand-eye calibration)

1k

views

2

answers

1

vote

2018-12-11 00:10:30 -0600 berak

MultiTracker Rois

203

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1

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no

votes

2018-12-07 06:10:11 -0600 berak

OpenCV 4.0 co-exist with OpenCV 3.x?

850

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1

answer

no

votes

2018-12-07 05:16:43 -0600 berak

LNK2019 cuda::cvtColor and cuda::equalizeHist

5k

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2

answers

no

votes

2018-12-13 02:53:38 -0600 GhostRider

undefined reference to `cv::imshow(cv::String const&, cv::_InputArray const&)' with QT5.8

opencv
qt

29,830 questions

How to convert Mat <-> UMat back-and-forth

Read CNN with opencv

problem with library openCV contrib has no 'face' attribute

Missing createsamples utility after building from source opencv 4.0.0 [closed]

error in cmake while configuring opencv extra modules path

improving face detection accuracy [closed]

Proper ways of detection and tracking. I am confused.

cv2.error: /io/opencv/modules/imgproc/src/imgwarp.cpp:3483: error: (-215) ssize.width > 0 && ssize.height > 0 in function resize

I want to detect the extra objects in the room [closed]

How to count captured object from webcam in python? [closed]

All image pixel values become 205 after setting CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT in OpenCV using webcam

How do I build the real time pose estimation tutorial on Visual Studio? [closed]

Expectation Maximization Prediction Issues

converting Lab to RGB

Is Raspberry Pi 3A+ enough for multiple color based object detection ?

Stereo Calibration using sample code

Extracting foreground with otsu thresholding

Segmenting two contours into two different images of same size using openCV-python

OpenCV real_time_pose_estimation not working

IPM to laser scan?

Why cv2.StereoSGBM.compute(left, right, disp) has no mask input

build opencv for windows

Facing Problem in drawing counters for resized Image

I would like to detect my horse in her stable [closed]

GPU slower than CPU with Mali G72

Calculate robot coordinates from measured chessbaord corners ( hand-eye calibration)

MultiTracker Rois

OpenCV 4.0 co-exist with OpenCV 3.x?

LNK2019 cuda::cvtColor and cuda::equalizeHist

undefined reference to `cv::imshow(cv::String const&, cv::_InputArray const&)' with QT5.8

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