Questions - OpenCV Q&A Forum

4

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2020-10-20 01:55:59 -0500 berak

Unable to detect circles with HOUGH_GRADIENT_ALT (OpenCV 4.4.0.44 Python)

houghcircle

9

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2020-10-19 15:57:54 -0500 ncolterx

How to include 'opencv-python' in Anaconda meta.yaml?

15

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-1

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2020-10-19 14:16:46 -0500 merco

How could detect technical drawing page?

12

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-1

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2020-10-19 13:38:38 -0500 ambuje

How to fit an Image to a4 size sheet?

9

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2020-10-19 08:01:11 -0500 palladin

FLANN matcher not work properly

flann

10

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2020-10-19 07:30:38 -0500 kun

Confusion about opencv's distortion model w.r.t Brown–Conrady model

8

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2020-10-19 06:05:25 -0500 comar

Error on loading ONNX model

20

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2020-10-18 13:41:11 -0500 RedMarsBlueMoon

Does ORB SLAM2 perform worse on weaker compute?!

orbslam2

14

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no

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2020-10-18 06:50:45 -0500 antithing

Find point correspondences without features or descriptors?

41

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1

answer

1

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2020-10-18 05:11:30 -0500 rgade

Different output from Python and C++ in CalibrateHandEye()

42

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no

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2020-10-17 14:34:57 -0500 kpachinger

Is there keypoint javascript tutorial ?

27

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2020-10-17 10:57:39 -0500 sturkmen

Convert Python Into Java / Kotlin using these operations

21

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-1

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2020-10-17 08:53:13 -0500 hajerhr

How to set a duration time for a detected object ?

opencvpyhon

120

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1

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no

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2020-10-17 01:33:43 -0500 mvuori

Camera only shows first frame, then it becomes slow and then it completely freezes

python

17

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2020-10-17 01:06:48 -0500 Ric

Will MOSSE tracker (OpenCV3.4.1+) run on Pi Zero?

11

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2020-10-16 18:23:37 -0500 EmmanuelMess

Build statically, missing cv::countNonZero(cv::_InputArray const&)

android

27

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1

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no

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2020-10-16 08:40:00 -0500 berak

Plotting the pixel density of a binary image

30

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-1

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2020-10-16 07:34:28 -0500 atulCoder

How to detect walls and paint it?

13

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2020-10-16 03:42:44 -0500 bomcv

RTSP: Extract time stamp for each frame and dump video

20

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2020-10-15 19:18:24 -0500 e1513377

cannot find lcublas when installing OpenCV with CUDA in Ubuntu 20?

CUDA

136

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answers

3

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2020-10-15 15:37:08 -0500 sturkmen

deletion of useless posts

forum

30

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1

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no

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2020-10-15 11:53:37 -0500 berak

How to show the confidence level of detectMultiScale "in python"

16

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1

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2020-10-15 11:23:20 -0500 kpachinger

opencv.js doesn't loaded even after 'onload' event occurs

36

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1

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no

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2020-10-15 09:58:36 -0500 crackwitz

Videocapture using HDMI camera as HDMI input [closed]

32

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1

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no

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2020-10-15 09:47:17 -0500 crackwitz

cv::Mat::forEach() sliding window

Mat
forEach

25

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no

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2020-10-15 05:55:31 -0500 StefanCepa995

OpenCV SelectiveSearch Segmentation

17

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no

answers

2

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2020-10-15 05:46:15 -0500 8rainfog

Opencv_contrib - Surface matching issue

19

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no

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2020-10-15 02:43:46 -0500 maro

Pixel order for demosaicing

demosaicing

64

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no

answers

-1

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2020-10-14 10:56:05 -0500 krushnal

how do i build openCV?

opencv
new

42

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no

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no

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2020-10-14 02:59:28 -0500 sturkmen

opencv-python how to remove these black pixels from number plate.

alpr
OCR

31,841 questions

Unable to detect circles with HOUGH_GRADIENT_ALT (OpenCV 4.4.0.44 Python)

How to include 'opencv-python' in Anaconda meta.yaml?

How could detect technical drawing page?

How to fit an Image to a4 size sheet?

FLANN matcher not work properly

Confusion about opencv's distortion model w.r.t Brown–Conrady model

Error on loading ONNX model

Does ORB SLAM2 perform worse on weaker compute?!

Find point correspondences without features or descriptors?

Different output from Python and C++ in CalibrateHandEye()

Is there keypoint javascript tutorial ?

Convert Python Into Java / Kotlin using these operations

How to set a duration time for a detected object ?

Camera only shows first frame, then it becomes slow and then it completely freezes

Will MOSSE tracker (OpenCV3.4.1+) run on Pi Zero?

Build statically, missing cv::countNonZero(cv::_InputArray const&)

Plotting the pixel density of a binary image

How to detect walls and paint it?

RTSP: Extract time stamp for each frame and dump video

cannot find lcublas when installing OpenCV with CUDA in Ubuntu 20?

deletion of useless posts

How to show the confidence level of detectMultiScale "in python"

opencv.js doesn't loaded even after 'onload' event occurs

Videocapture using HDMI camera as HDMI input [closed]

cv::Mat::forEach() sliding window

OpenCV SelectiveSearch Segmentation

Opencv_contrib - Surface matching issue

Pixel order for demosaicing

how do i build openCV?

opencv-python how to remove these black pixels from number plate.

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