Questions - OpenCV Q&A Forum

777

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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

994

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no

answers

no

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

findCirclesGrid can't find sub-pattern with hollow insides

1k

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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

1k

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no

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

tvec and coordinate systems q

827

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

Error building opencv with extra modules in Visual Studio 2013

opencv
java

2k

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1

answer

1

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

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

832

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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

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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

1k

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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]

583

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-1

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

Converting image to grayscale

2k

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1

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

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

521

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

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

c++
opencv

666

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no

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no

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

OpenCV with android not detecting image blur [closed]

525

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

Unable to open or export written video

1k

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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]]

2k

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

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

207

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no

answers

no

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

Is that an occlusion depth research problem?

opencv

796

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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'

277

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

cv2 python package folder structure

422

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1

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no

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

Python wrapper for opencv 4.5

290

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no

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

update OpenCV on Macintosh

507

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

Issue setting MJPEG format when capturing using CAP_MSMF

1k

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1

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no

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

line extension beyond 2 points how to extrapolate

4k

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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

619

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1

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no

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

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

565

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answers

no

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

How to enable Windows media foundation hardware acceleration on opencv.

778

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1

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no

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

Parsing error (Unsupported activation: relu) in ReadDarknetFromCfgStream

3k

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no

answers

no

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2020-10-26 11:15:43 -0600 Rickvanhek

Insanely high cpu usage for simple videocapture (50% cpu usage)

445

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1

answer

no

votes

2020-10-25 12:24:06 -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

Error building opencv with extra modules in Visual Studio 2013

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

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'

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

Issue setting MJPEG format when capturing using CAP_MSMF

line extension beyond 2 points how to extrapolate

Disable X close button of cv2.window

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

Insanely high cpu usage for simple videocapture (50% cpu usage)

Undefined symbols for architecture x86_64

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