Questions - OpenCV Q&A Forum

4

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2019-07-20 15:02:34 -0500 dwalker

VideoCapture failing for ~25% of videos from IP Camera

11

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2019-07-20 13:53:45 -0500 Witek

VideoCapture memory leak when using read function to get frame data inside a loop,opencv3.4.6

9

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no

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2019-07-20 11:38:29 -0500 govi2010

I am trying to convert rectengle image to bigger square with 17 padding. following is my code. but that is not working

iosopencv

7

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2019-07-20 10:45:24 -0500 Amulya

Bar code and QR code detector

55

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3

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2019-07-20 08:22:03 -0500 supra56

How to put rotated text in OpenCV ?

cvPutText

9

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1

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2019-07-20 08:04:03 -0500 Jérémy K

Predict trajectory of hand based on 3D coordinates

29

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2019-07-20 07:02:36 -0500 muglikar

Find hinge point or axis of rotation point?

6

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2019-07-20 06:28:51 -0500 berak

unable to get keypoints in opencv.js by orb detect and compute.

12

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2019-07-20 04:22:32 -0500 sonicmaster

How to find the centroid of a specific square from different types of squares in the image?

opencvC++

9

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2019-07-20 01:24:09 -0500 savailonei

How to get "local maxima" of distance transform result?

23

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2019-07-19 09:45:48 -0500 berak

cmake Opencv compile

40

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1

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2019-07-19 05:32:15 -0500 kbarni

Generalizing the size for Detecting Horizontal and Vertical Lines

16

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2019-07-19 04:54:41 -0500 Sky31

Color consistency algorithms python

30

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1

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2019-07-19 04:06:30 -0500 Witek

How to create 32-bit dll file for OpenCV version 4.0.1?

opencv401

16

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no

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2019-07-19 03:29:24 -0500 berak

detectMultiScale() function

c++
cascade

21

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1

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2019-07-19 00:29:50 -0500 NickKao

QRCodeDetector in Android cause ANR(no response)

android

11

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2019-07-19 00:29:25 -0500 Dhaval Jivani

White paper on a white background not working

11

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2019-07-18 19:25:25 -0500 Rafis

Traincascade Train dataset for temp stage can not be filled

opencvtraincascade

24

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2019-07-18 09:06:30 -0500 tgpsantos

Writing video in .mp4

21

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2019-07-18 08:14:46 -0500 Rafutek

Build OpenCV Java for Linux, MacOS and Windows

10

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2019-07-18 01:40:05 -0500 nikhil_g

Skipping Incompatible libraries : armv8-aarch64 cross compiler

23

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2019-07-17 22:00:50 -0500 132ikl

Segmentation Fault when attempting to import cv2 in Python 3 [closed]

37

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1

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2019-07-17 15:48:26 -0500 Witek

How can I use yolo for box detection?

yolo

42

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no

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2019-07-17 15:41:40 -0500 FriendlyViking

Issue when testing any openCV CUDA samples: /usr/local/lib/libopencv_cudaobjdetect.so: undefined reference to `cv::cuda::StreamAccessor::getStream(cv::cuda::Stream const&)'

CUDA
Jetson

26

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1

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2019-07-17 15:28:22 -0500 Witek

Help detecting where a video has been cut up/ jump cuts

28

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1

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2019-07-17 10:55:44 -0500 kbarni

selectROI does not close the window after 'enter' pressed?

15

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-1

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2019-07-17 10:37:14 -0500 marquest

find outlined text in an image and cut the outline text ; with python

22

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2019-07-17 07:08:55 -0500 supra56

Mac camera fail to initialise

mac
camera

13

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2019-07-17 03:55:01 -0500 berak

Loading a Caffe model in OpenCV.js

OpenCV.js

23

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2019-07-17 03:36:26 -0500 salvo88

30,990 questions

VideoCapture failing for ~25% of videos from IP Camera

VideoCapture memory leak when using read function to get frame data inside a loop,opencv3.4.6

I am trying to convert rectengle image to bigger square with 17 padding. following is my code. but that is not working

Bar code and QR code detector

How to put rotated text in OpenCV ?

Predict trajectory of hand based on 3D coordinates

Find hinge point or axis of rotation point?

unable to get keypoints in opencv.js by orb detect and compute.

How to find the centroid of a specific square from different types of squares in the image?

How to get "local maxima" of distance transform result?

cmake Opencv compile

Generalizing the size for Detecting Horizontal and Vertical Lines

Color consistency algorithms python

How to create 32-bit dll file for OpenCV version 4.0.1?

detectMultiScale() function

QRCodeDetector in Android cause ANR(no response)

White paper on a white background not working

Traincascade Train dataset for temp stage can not be filled

Writing video in .mp4

Build OpenCV Java for Linux, MacOS and Windows

Skipping Incompatible libraries : armv8-aarch64 cross compiler

Segmentation Fault when attempting to import cv2 in Python 3 [closed]

How can I use yolo for box detection?

Issue when testing any openCV CUDA samples: /usr/local/lib/libopencv_cudaobjdetect.so: undefined reference to `cv::cuda::StreamAccessor::getStream(cv::cuda::Stream const&)'

Help detecting where a video has been cut up/ jump cuts

selectROI does not close the window after 'enter' pressed?

find outlined text in an image and cut the outline text ; with python

Mac camera fail to initialise

Loading a Caffe model in OpenCV.js

CV2 installed, but Import cv2 on spyder gives an error

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