Questions - OpenCV Q&A Forum

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2016-01-18 10:08:15 -0600 BartBB2

Capturing and saving/manipulating a single frame from a camera.

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2016-02-09 07:54:39 -0600 StevenPuttemans

how can i put text on image using opencv puttext function

copencv

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2016-02-19 00:56:58 -0600 inckka

Getting webcam feed with opencv to GTK+2 container.

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2016-02-24 03:04:58 -0600 GANESH PRASAATH L

How to change BGR to RGB of a video frame using C /C++

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2016-05-24 02:59:08 -0600 Rahul Giradkar

OpenCV with Android Template Matching using camera images.

401

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2016-05-26 13:03:22 -0600 berak

How to copy recognized image (only recognize image not full image)

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2016-09-01 00:27:33 -0600 lm35

How to compile a sample code written using Opencv cpp libraries and CUDA .

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2016-11-19 19:20:31 -0600 rider44

How to use Homebrew to install both OpenCV 2.4 and OpenCV 3.1 for c++ programming on Mac?

433

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2017-01-05 06:00:52 -0600 saik710

Getting pthread related errors during opencv compilation for arm64

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2017-01-09 21:07:53 -0600 jpistorino

OpenCV UMat conversion from std::vector

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2017-01-16 08:30:06 -0600 berak

insert elements of vector in cols of a mat

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2017-02-06 10:59:31 -0600 sturkmen

Change the code to make it works on webcam in openCV

copencv

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2

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2017-02-09 06:27:56 -0600 abhijith

how can read a video from file, select ROI in first frame with rectangular and track obj?

copencv

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2017-04-11 11:03:47 -0600 electron spectrum

How to flatten a fisheye image?

504

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2017-07-02 21:51:36 -0600 wureka

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

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2017-07-18 06:34:34 -0600 arrfou

How to pass an already stored data in GPU by GpuMat to a kernel

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2017-08-21 19:24:07 -0600 Ziri

How to detect white color in threshold image

copencv
HSV

645

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2017-08-31 05:42:47 -0600 virat18

Java Folder is missing from the opencv folder structure.

606

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2017-08-31 08:17:19 -0600 santo4_opencv

Vendor port of OpenCV on Embedded SoC

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2017-09-14 23:12:40 -0600 NV-PCMR

OpenCV Libaries not found. [closed]

711

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2017-11-07 01:45:17 -0600 VxW

How to find that image has distortion?

176

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2017-12-03 19:45:42 -0600 supra56

copy some subimages and put them on other parts of the original images

616

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2018-01-16 01:55:06 -0600 zobelx

OpenCV show video file

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2018-02-09 20:31:17 -0600 sid311

Trouble generating Matlab bindings using latest OpenCV 3.4.0 software

370

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2018-03-19 00:35:33 -0600 llaon

detecting pimple/acne/mole in a face [closed]

copencv

273

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1

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2018-06-06 07:03:39 -0600 berak

can't find cv::ppf_match_3d::loadPLYSimple

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2018-07-18 02:03:15 -0600 Billa Surendra

I am Trying to cross compiling OpenCV application statically by using following command

1k

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2018-07-20 01:41:17 -0600 berak

I am trying to executing the OpenCV sample c++ program but i am getting error ''undefined reference to `compress'''.

2k

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2018-07-23 04:19:42 -0600 LBerger

I am trying to executing OpenCV application executable in riscv linux but i am getting error "terminate called after throwing an instance of 'cv::Exception'"

995

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2018-07-25 08:43:01 -0600 sturkmen

88 questions

Capturing and saving/manipulating a single frame from a camera.

how can i put text on image using opencv puttext function

Getting webcam feed with opencv to GTK+2 container.

How to change BGR to RGB of a video frame using C /C++

OpenCV with Android Template Matching using camera images.

How to copy recognized image (only recognize image not full image)

How to compile a sample code written using Opencv cpp libraries and CUDA .

How to use Homebrew to install both OpenCV 2.4 and OpenCV 3.1 for c++ programming on Mac?

Getting pthread related errors during opencv compilation for arm64

OpenCV UMat conversion from std::vector

insert elements of vector in cols of a mat

Change the code to make it works on webcam in openCV

how can read a video from file, select ROI in first frame with rectangular and track obj?

How to flatten a fisheye image?

Why vGPU (Tesla K80) on Google cloud slower than GTX940M on T460P

How to pass an already stored data in GPU by GpuMat to a kernel

How to detect white color in threshold image

Java Folder is missing from the opencv folder structure.

Vendor port of OpenCV on Embedded SoC

OpenCV Libaries not found. [closed]

How to find that image has distortion?

copy some subimages and put them on other parts of the original images

OpenCV show video file

Trouble generating Matlab bindings using latest OpenCV 3.4.0 software

detecting pimple/acne/mole in a face [closed]

can't find cv::ppf_match_3d::loadPLYSimple

I am Trying to cross compiling OpenCV application statically by using following command

I am trying to executing the OpenCV sample c++ program but i am getting error ''undefined reference to `compress'''.

I am trying to executing OpenCV application executable in riscv linux but i am getting error "terminate called after throwing an instance of 'cv::Exception'"

point outside image with getPerspectiveTransform

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