Questions - OpenCV Q&A Forum

18k

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Jan 12 '15 AlexanderShishkov

Should I use OpenMP or parallel_for_ for a simple for loop ?

parallel_for

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1

answer

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Oct 14 '15 Brandon212

How long does it take to build opencv with CUDA ?

9k

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Oct 5 '16 kbarni

How opencv use openmp thread to get performance?

1k

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Aug 27 '0 sturkmen

OpenCV modules 3rd-party dependencies

6k

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1

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Jul 2 '14 tuannhtn

Turn on/off multithreading?

5k

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Apr 21 '17 StevenPuttemans

CUDA Canny Edge Detector is slower than cv::Canny

4k

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2

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Jan 18 '14 Ettore

Opencv for Windows 8 Tablet

638

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Apr 24 '13 StevenPuttemans

OpenCV 245 first build errors..

813

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Apr 12 '13 StevenPuttemans

Confirm that Intel IPP loads in OpenCV 2x

6k

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1

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Apr 18 '16 LBerger

Deriche edge detector

edge-detection

1k

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Feb 21 '14 tuannhtn

Fastest method to process an image

19k

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2

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Jan 8 '16 pklab

grab and process multiple frames in different threads - opencv semi-related

4k

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1

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Apr 1 '13 piranha

Gpu API call error (out of memory) in mallocPitch

2k

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3

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Aug 1 '14 rbaleksandar

problem install opencv on linux mandriva

992

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Feb 25 '13 Keba

Dilation produces translation and doesn't work

3k

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Mar 20 '13 Alexander Smorkalov

Problems while including headers in OpenCV 2.4.9

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Apr 6 '13 Thor

Compiling OpenCV 2.4.3 on Ubuntu 12.10: libz.so error

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no

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Jul 7 '13 NikolasE

Missing Icons in Highgui Toolbar and wrong color values

highgui

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Sep 22 '13 Dake Feng

Trouble Compiling OpenCV 2.4.6 from source

1k

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Oct 14 '13 Antonio

Tilted integral image + other general considerations on integral image

Imgproc

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2

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Oct 24 '13 Brixus

How to set the path to QT5 in cmake?

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Dec 5 '13 talcat

VideoWriter failure: "Gstreamer Opencv backend does not support this codec actually"

691

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Feb 25 '14 wl2776

stereoSGBM on OpenCL in OpenCV 3.0.0

153

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no

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Aug 15 '14 brain_vision

the opencv 2.4.9 test failed with Video_calcOpticalFlowDual_TVL1.Regression

opencv_test_video

1k

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1

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1

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Aug 30 '14 Rok Mandeljc

Trying to fix 3.0 dev build with samples and CUDA

build
dev

307

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no

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1

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Oct 9 '14 statcomp

OpenCV_Perf_GPU.exe makes GPU crashed (Resolved)

605

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Oct 16 '14 Apollo Juice

OpenCV 2.4.10 fails to build on Debian Jessie

2k

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Jan 12 '15 svanschalkwyk

Ubuntu 14.10, GCC 4.8 etc. CUDA 6.5: OpenCV Error: No GPU support (The library is compiled without CUDA support) in mallocPitch, file /build/buildd/opencv-2.4

3k

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no

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Feb 11 '15 margaridamfo.gomes

Can't write .mp4 files - Could not open codec 'libx264': Unspecified error

3k

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1

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May 9 '15 berak

486 questions

Should I use OpenMP or parallel_for_ for a simple for loop ?

How long does it take to build opencv with CUDA ?

How opencv use openmp thread to get performance?

OpenCV modules 3rd-party dependencies

Turn on/off multithreading?

CUDA Canny Edge Detector is slower than cv::Canny

Opencv for Windows 8 Tablet

OpenCV 245 first build errors..

Confirm that Intel IPP loads in OpenCV 2x

Deriche edge detector

Fastest method to process an image

grab and process multiple frames in different threads - opencv semi-related

Gpu API call error (out of memory) in mallocPitch

problem install opencv on linux mandriva

Dilation produces translation and doesn't work

Problems while including headers in OpenCV 2.4.9

Compiling OpenCV 2.4.3 on Ubuntu 12.10: libz.so error

Missing Icons in Highgui Toolbar and wrong color values

Trouble Compiling OpenCV 2.4.6 from source

Tilted integral image + other general considerations on integral image

How to set the path to QT5 in cmake?

VideoWriter failure: "Gstreamer Opencv backend does not support this codec actually"

stereoSGBM on OpenCL in OpenCV 3.0.0

the opencv 2.4.9 test failed with Video_calcOpticalFlowDual_TVL1.Regression

Trying to fix 3.0 dev build with samples and CUDA

OpenCV_Perf_GPU.exe makes GPU crashed (Resolved)

OpenCV 2.4.10 fails to build on Debian Jessie

Ubuntu 14.10, GCC 4.8 etc. CUDA 6.5: OpenCV Error: No GPU support (The library is compiled without CUDA support) in mallocPitch, file /build/buildd/opencv-2.4

Can't write .mp4 files - Could not open codec 'libx264': Unspecified error

package not found - issue building libdetection_based_tracker.so

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