Questions - OpenCV Q&A Forum

565

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no

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no

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2020-12-15 03:49:31 -0600 qwertyquest

Removing translation from double camera facing the same direction

c++
opencv

558

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no

answers

no

votes

2020-12-15 02:29:38 -0600 sas

findCirclesGrid can't find sub-pattern with hollow insides

629

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no

answers

no

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2020-12-07 14:26:14 -0600 fafafafa

errors when building opencv 4.5.0 wit extra modules using Mingw [closed]

opencv
java

617

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no

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no

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2020-12-07 12:20:58 -0600 coldheat

tvec and coordinate systems q

2k

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1

answer

1

vote

2020-12-07 08:58:34 -0600 hammockman

cv::dnn::blobFromImage() works in python but fails in c++

483

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no

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2020-12-05 08:45:02 -0600 fafafafa

Error building opencv with extra modules in Visual Studio 2013

opencv
java

616

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no

answers

no

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2020-12-04 09:17:00 -0600 fafafafa

pre-built OpenCv with extra modules for java

java
opencv

2k

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1

answer

no

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2020-12-03 11:11:26 -0600 crackwitz

Convert a Video.mp4 in a 2D Matrix where each row represents a frame

903

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1

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no

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2020-12-03 09:34:06 -0600 berak

Real-time webcam stream very slow with pixel manipulation

1k

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2020-12-02 03:30:41 -0600 maw

imshow no window on Mac Big Sur with Python [closed]

371

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answers

-1

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2020-12-01 21:13:26 -0600 lilyily

Converting image to grayscale

1k

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answers

1

vote

2020-11-30 03:48:20 -0600 sigmoid90

Projecting point cloud to image plane in order to estimate camera pose

376

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2020-11-25 09:20:23 -0600 DanKutz

Adding subtitles from .srt file C++ [closed]

c++
opencv

347

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no

answers

no

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2020-11-24 22:57:47 -0600 Shabana

OpenCV with android not detecting image blur [closed]

344

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2020-11-24 10:44:25 -0600 daniel_vdc

Unable to open or export written video

673

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1

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no

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2020-11-22 20:03:37 -0600 sunitha premjee

Didn't find class "android.view.JavaCameraView" on path: DexPathList[[zip file "==/base.apk"],nativeLibraryDirectories=[==/lib/arm64, ==/base.apk!/lib/arm64-v8a, /system/lib64]]

1k

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2020-11-21 15:35:02 -0600 Ghetto82

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

3k

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4

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no

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2020-11-20 01:41:09 -0600 dkurt

Android OpenCV + camera is just showing black screen

190

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answers

no

votes

2020-11-19 01:09:02 -0600 Ahmed

Is that an occlusion depth research problem?

opencv

582

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1

answer

no

votes

2020-11-18 13:03:14 -0600 Tina J

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

243

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no

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2020-11-16 06:56:32 -0600 Srivatsav

cv2 python package folder structure

383

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1

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no

votes

2020-11-16 06:21:45 -0600 mma

Python wrapper for opencv 4.5

193

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no

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2020-11-15 07:01:27 -0600 SylvainArd

update OpenCV on Macintosh

2k

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1

answer

no

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2020-11-14 07:51:01 -0600 berak

Disable X close button of cv2.window

277

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no

answers

no

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2020-11-12 08:31:03 -0600 Sanju

Issue setting MJPEG format when capturing using CAP_MSMF

249

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no

answers

no

votes

2020-11-11 12:50:37 -0600 aliakseis

Measuring of lanes or stripes on noisy and underexposed images

1k

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1

answer

no

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2020-11-11 11:45:33 -0600 kbarni

line extension beyond 2 points how to extrapolate

466

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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

426

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no

answers

no

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

How to enable Windows media foundation hardware acceleration on opencv.

656

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1

answer

no

votes

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

5,271 questions

Removing translation from double camera facing the same direction

findCirclesGrid can't find sub-pattern with hollow insides

errors when building opencv 4.5.0 wit extra modules using Mingw [closed]

tvec and coordinate systems q

cv::dnn::blobFromImage() works in python but fails in c++

Error building opencv with extra modules in Visual Studio 2013

pre-built OpenCv with extra modules for java

Convert a Video.mp4 in a 2D Matrix where each row represents a frame

Real-time webcam stream very slow with pixel manipulation

imshow no window on Mac Big Sur with Python [closed]

Converting image to grayscale

Projecting point cloud to image plane in order to estimate camera pose

Adding subtitles from .srt file C++ [closed]

OpenCV with android not detecting image blur [closed]

Unable to open or export written video

Didn't find class "android.view.JavaCameraView" on path: DexPathList[[zip file "==/base.apk"],nativeLibraryDirectories=[==/lib/arm64, ==/base.apk!/lib/arm64-v8a, /system/lib64]]

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

Android OpenCV + camera is just showing black screen

Is that an occlusion depth research problem?

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

cv2 python package folder structure

Python wrapper for opencv 4.5

update OpenCV on Macintosh

Disable X close button of cv2.window

Issue setting MJPEG format when capturing using CAP_MSMF

Measuring of lanes or stripes on noisy and underexposed images

line extension beyond 2 points how to extrapolate

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

How to enable Windows media foundation hardware acceleration on opencv.

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

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