Questions - OpenCV Q&A Forum

141k

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6

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14

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2014-09-25 12:02:22 -0600 lvv

What is the most effective way to access cv::Mat elements in a loop?

10k

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3

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8

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2019-01-09 04:42:35 -0600 pierre_w

LSH matching very slow

30k

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3

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7

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2014-01-19 09:33:57 -0600 berak

How to build OpenCV with TBB support?

17k

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1

answer

7

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2012-07-26 02:21:15 -0600 Kirill Kornyakov

Object detection slow

5k

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2

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6

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2013-05-06 16:44:17 -0600 SR

performance of findHomography

994

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no

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6

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2012-12-19 02:07:47 -0600 Michael Burdinov

Basic operations on single image are slow

2k

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1

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5

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2013-07-31 18:19:48 -0600 Mathieu Barnachon

cv::Vec<...,...> vs direct access performance for multi-channel matrices

2k

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1

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4

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2012-07-04 18:12:54 -0600 icedecker

Performance evaluation for detection

230

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no

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4

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2013-05-17 03:39:32 -0600 vaaksiainen

[email protected] 7x slower than CvEM @ 2.2.0

2k

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1

answer

3

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2012-10-15 06:31:56 -0600 sammy

Decreasing the Stitching time

1k

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1

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3

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2014-09-09 02:23:53 -0600 Money

Static Initialization of Android Application makes it a lot slower

9k

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1

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2

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2012-07-24 07:46:58 -0600 Kirill Kornyakov

How to decrease the number of processed frames from a live video camera?

837

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1

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2

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2012-07-11 04:29:56 -0600 Andrey Pavlenko

Performance issues on porting warpPerspective into my project

413

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1

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2

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2013-08-12 12:52:16 -0600 Dmitry

solve (cvSolve) became twice slower after updating to OpenCV 2.4.6

1k

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no

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2

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2014-07-11 20:24:20 -0600 Steven P. Goldsmith

People detection using motion ROI [closed]

513

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no

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2

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2015-06-20 16:23:22 -0600 armendzh

OpenCV benchmarks for performance evaluation?

465

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no

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2

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2017-01-25 02:16:32 -0600 pwuertz

OpenCL TAPI mixed performance

654

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1

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2

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2017-08-10 06:36:27 -0600 Kostas

cv::solve OpenCV 3.1 vs. 3.2 speed

performance

858

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1

answer

2

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2019-01-05 06:47:22 -0600 sturkmen

Applying operations to video feed. Determining when to use CPU vs GPU [closed]

799

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1

answer

1

vote

2012-11-06 01:35:41 -0600 Michael Burdinov

cv::gpu::norm speed up

1k

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1

answer

1

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2012-12-21 09:07:03 -0600 Alexander Smorkalov

OpenCV and Tegra

1k

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1

answer

1

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2013-01-16 22:39:04 -0600 Alexander Smorkalov

Using Toast widget to display results from timer in image-manipulations Android app

570

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2

answers

1

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2014-02-26 07:04:49 -0600 Vlad

How can I measure performance of OpenCV4Android samples on several devices?

2k

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1

answer

1

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2013-05-02 00:52:32 -0600 ricor

The OpenCV Stitcher is Very Slow

741

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1

answer

1

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2013-07-27 19:56:46 -0600 Mathieu Barnachon

Performance question: vehicle & pedestrian detection

688

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1

answer

1

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2013-10-14 11:11:17 -0600 Vladislav Vinogradov

Does CUDA model effect (increase performance) of python module?

1k

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1

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1

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2014-02-21 06:45:31 -0600 tuannhtn

Fastest method to process an image

3k

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1

answer

1

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2014-08-28 16:17:38 -0600 Dagmor

GPU Cuda initialization much slower with opencv libraries

2k

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1

answer

1

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2015-08-02 03:13:54 -0600 shadowsheep

OpenCV 3.0 Vs OpenCV 2.4.9 + Sobel Performance

140

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no

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1

vote

2016-06-02 01:17:44 -0600 lovaj

91 questions

What is the most effective way to access cv::Mat elements in a loop?

LSH matching very slow

How to build OpenCV with TBB support?

Object detection slow

performance of findHomography

Basic operations on single image are slow

cv::Vec<...,...> vs direct access performance for multi-channel matrices

Performance evaluation for detection

[email protected] 7x slower than CvEM @ 2.2.0

Decreasing the Stitching time

Static Initialization of Android Application makes it a lot slower

How to decrease the number of processed frames from a live video camera?

Performance issues on porting warpPerspective into my project

solve (cvSolve) became twice slower after updating to OpenCV 2.4.6

People detection using motion ROI [closed]

OpenCV benchmarks for performance evaluation?

OpenCL TAPI mixed performance

cv::solve OpenCV 3.1 vs. 3.2 speed

Applying operations to video feed. Determining when to use CPU vs GPU [closed]

cv::gpu::norm speed up

OpenCV and Tegra

Using Toast widget to display results from timer in image-manipulations Android app

How can I measure performance of OpenCV4Android samples on several devices?

The OpenCV Stitcher is Very Slow

Performance question: vehicle & pedestrian detection

Does CUDA model effect (increase performance) of python module?

Fastest method to process an image

GPU Cuda initialization much slower with opencv libraries

OpenCV 3.0 Vs OpenCV 2.4.9 + Sobel Performance

Tool for evaluating general local descriptors? [closed]

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