Questions - OpenCV Q&A Forum

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2020-11-27 01:22:28 -0600 Gur

How to detect lens flare /glare in images

2k

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2020-11-30 16:58:15 -0600 Phil2

guidance for mapping 2D image onto 3D geometry

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

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

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2020-11-29 13:02:04 -0600 offsetnull1

No rule to make target '/usr/local/lib/libz.so', needed by 'lib/libopencv_core.so.4.5.1

255

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2020-12-01 07:39:09 -0600 Yaw Mensah

convert cv::Mat to a C Struct

OpenCVWrapper

749

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-1

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

Converting image to grayscale

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2020-12-07 02:08:05 -0600 AndrewM

How can I track the disappearance of a TV logo in a certain area in a frame (ROI)?

video_processing

656

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2020-12-02 08:00:45 -0600 Ting

Reduce the opencv framework size by using size optimization

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2020-12-02 09:38:34 -0600 amateurpirate

Duplicate frames in saved file from cv2.VideoWriter

228

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2020-12-02 16:22:39 -0600 pooooppppyyjhb

Why is the processImage delegate not getting called automatically?

991

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

pre-built OpenCv with extra modules for java

java
opencv

374

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2020-12-04 06:51:01 -0600 berak

i am creating a dataset for real time face recognition using python. i want it should intimate if the image already available in dataset. how to implement in opencv?

opencv-python

1k

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

Error building opencv with extra modules in Visual Studio 2013

opencv
java

841

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2020-12-06 08:22:42 -0600 sigmoid90

Problem with building pose Mat from rotation and translation matrices

1k

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

tvec and coordinate systems q

1k

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2020-12-08 11:05:40 -0600 PGTART

stitcher advanced api everything get wrapped arround

image-stitching

4k

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2020-12-09 06:39:18 -0600 ryan227

Darknet makefile error when opencv=1, ubuntu 18.04

darknet

956

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2020-12-12 03:57:00 -0600 elliotwoods

binary calibration pattern with XY recoverable features

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2020-12-12 12:10:12 -0600 DjDylex

recover pose scale

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2020-12-14 19:41:25 -0600 joaocandre

How to find surfance orientation (relative to camera) from single depth image?

1k

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

Removing translation from double camera facing the same direction

c++
opencv

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2020-12-15 10:45:36 -0600 yoosamui

Videocapture RTSP cause very high cpu usage

2k

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2020-12-16 10:49:12 -0600 berak

How to get bird view image which is synthized four side images?(get AVM: around view monitoring)

pythonopencv

981

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2020-12-18 07:38:58 -0600 sigmoid90

Problem with undistortPoints() function in pose estimation of image

1k

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2020-12-19 09:10:48 -0600 snackes

LineSegmentDetector

c++qt

5k

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no

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no

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2020-12-21 08:57:25 -0600 jhon15

12,357 questions

How to detect lens flare /glare in images

guidance for mapping 2D image onto 3D geometry

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

No rule to make target '/usr/local/lib/libz.so', needed by 'lib/libopencv_core.so.4.5.1

convert cv::Mat to a C Struct

Converting image to grayscale

How can I track the disappearance of a TV logo in a certain area in a frame (ROI)?

Reduce the opencv framework size by using size optimization

Duplicate frames in saved file from cv2.VideoWriter

Why is the processImage delegate not getting called automatically?

pre-built OpenCv with extra modules for java

i am creating a dataset for real time face recognition using python. i want it should intimate if the image already available in dataset. how to implement in opencv?

Error building opencv with extra modules in Visual Studio 2013

Problem with building pose Mat from rotation and translation matrices

tvec and coordinate systems q

stitcher advanced api everything get wrapped arround

Darknet makefile error when opencv=1, ubuntu 18.04

binary calibration pattern with XY recoverable features

recover pose scale

How to find surfance orientation (relative to camera) from single depth image?

findCirclesGrid can't find sub-pattern with hollow insides

Removing translation from double camera facing the same direction

Videocapture RTSP cause very high cpu usage

How to get bird view image which is synthized four side images?(get AVM: around view monitoring)

Problem with undistortPoints() function in pose estimation of image

LineSegmentDetector

Opencv for pcb parts detection and angle calculation

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