Questions - OpenCV Q&A Forum

859

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no

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no

votes

2020-07-11 03:35:42 -0600 supra56

what does this warning mean? warning : field of class type without a DLL interface used in a class with a DLL interface

3k

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1

answer

-1

votes

2020-07-11 08:15:46 -0600 berak

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

java
opencv

449

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no

answers

-1

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2020-07-11 22:48:56 -0600 despair104

How to solve this? (finding an image)

285

views

1

answer

no

votes

2020-07-11 22:55:05 -0600 sn4k3

Transform gray image to create a pattern effect on while pixels given a mask

2k

views

4

answers

no

votes

2020-07-12 01:28:57 -0600 AibohphobiA

YUV422(16bit) to RGB(24bit) conversion

cvCvtColor

15k

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2

answers

1

vote

2020-07-12 03:33:50 -0600 supra56

cv2 imshow displaying black images sometimes

1k

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no

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no

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2020-07-12 04:56:24 -0600 Danny_00

Laser pointer ideas?

python
laser

1k

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no

answers

1

vote

2020-07-12 07:32:44 -0600 Omar-AE

running my cv2 dnn model with cv2.dnn.DNN_TARGET_MYRIAD on MYRIAD cores

159

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no

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2020-07-12 11:30:59 -0600 Christos M.

Contribute to documentation tutorial that belongs to a book

629

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no

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no

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2020-07-12 13:15:56 -0600 superfly

why invert pose

520

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no

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no

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2020-07-12 14:58:16 -0600 Open_compile

Unable to access a logitech 270 webcam through openCV

121

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no

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no

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2020-07-12 15:54:46 -0600 gdlemail

Comparing old photos and finding the same people [closed]

facialrecognition

309

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1

answer

no

votes

2020-07-12 16:24:23 -0600 muroromoi

Finding a complex template on a image

679

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no

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no

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2020-07-12 22:31:59 -0600 NamanAgarwal

Open Cv Headless

Jetsonnano

578

views

1

answer

no

votes

2020-07-13 02:14:05 -0600 berak

OpenCV Clasification Neural Network + Image Flattening Question

158

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no

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no

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2020-07-13 03:36:48 -0600 Markovicz

OpenCV simple showimage command takes 70ms on RPI4

338

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no

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2020-07-13 05:26:19 -0600 Wimpos

Ideal Pinhole Camera consistency

735

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no

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2020-07-13 07:39:24 -0600 Forest96

CUDA acceleration on opencv is too slow

1opencv4.3

3k

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1

answer

no

votes

2020-07-13 08:15:24 -0600 ch

android opencv 4.3.0 Assertion failed (buf.checkVector(1, CV_8U) > 0)

AndroidOpenCV

1k

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no

answers

no

votes

2020-07-13 09:56:54 -0600 Malathi_72

smooth edges in binary images

1k

views

3

answers

no

votes

2020-07-13 18:39:56 -0600 Alice_aj

Converting ArUco axis-angle to Unity3D Quaternion

8k

views

1

answer

1

vote

2020-07-13 20:41:02 -0600 Christos M.

samples.findfile for loading photos

523

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1

answer

no

votes

2020-07-13 22:39:41 -0600 Gordon Kong

Issue Building OpenCV 4.3.0 in Docker

build-error

1k

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1

answer

no

votes

2020-07-14 01:42:29 -0600 berak

import cv2 error on windows: missing configuration files

162

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no

answers

-1

votes

2020-07-14 04:07:43 -0600 werther

edge detection in garden [closed]

edgedetection

1k

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1

answer

no

votes

2020-07-14 04:47:31 -0600 berak

executing stitching example throws error: (-2:Unspecified error) OpenCV samples: Can't find required data file: --try_use_gpu in function 'findFile'

5k

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1

answer

no

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2020-07-14 04:47:44 -0600 Painter123

Make the background of the image transparent using a mask

c++
opencv

2k

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no

answers

no

votes

2020-07-14 05:57:00 -0600 dlrnae

Change a particular color in an Image Python

8k

views

2

answers

no

votes

2020-07-14 08:00:48 -0600 urvi

Can I change the fps of a video dynamically?

cv2.VideoWriter

1k

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no

answers

no

votes

2020-07-14 14:00:42 -0600 selamie

29,830 questions

what does this warning mean? warning : field of class type without a DLL interface used in a class with a DLL interface

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

How to solve this? (finding an image)

Transform gray image to create a pattern effect on while pixels given a mask

YUV422(16bit) to RGB(24bit) conversion

cv2 imshow displaying black images sometimes

Laser pointer ideas?

running my cv2 dnn model with cv2.dnn.DNN_TARGET_MYRIAD on MYRIAD cores

Contribute to documentation tutorial that belongs to a book

why invert pose

Unable to access a logitech 270 webcam through openCV

Comparing old photos and finding the same people [closed]

Finding a complex template on a image

Open Cv Headless

OpenCV Clasification Neural Network + Image Flattening Question

OpenCV simple showimage command takes 70ms on RPI4

Ideal Pinhole Camera consistency

CUDA acceleration on opencv is too slow

android opencv 4.3.0 Assertion failed (buf.checkVector(1, CV_8U) > 0)

smooth edges in binary images

Converting ArUco axis-angle to Unity3D Quaternion

samples.findfile for loading photos

Issue Building OpenCV 4.3.0 in Docker

import cv2 error on windows: missing configuration files

edge detection in garden [closed]

executing stitching example throws error: (-2:Unspecified error) OpenCV samples: Can't find required data file: --try_use_gpu in function 'findFile'

Make the background of the image transparent using a mask

Change a particular color in an Image Python

Can I change the fps of a video dynamically?

VideoCapture.read() freezing when reading from gstreamer

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