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?

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?

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

6k

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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

570

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2

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1

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

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

779

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2

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no

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2013-02-18 01:55:08 -0600 Alexander Smorkalov

Measuring performance of OpenCV functions

7k

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2

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no

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2016-12-12 23:37:22 -0600 Tim Pham

Using opencv_traincascade and speed up the processing

2k

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2

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1

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2018-07-11 02:39:04 -0600 holger

Using the opencv_contrib dnn module (too slow)

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

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

17k

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1

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7

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

Object detection slow

2k

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1

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3

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

Decreasing the Stitching time

572

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1

answer

no

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2013-05-16 07:52:15 -0600 vinayverma

Question about the describe parameter of the files used in performance when doing haartraining?

801

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1

answer

1

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

cv::gpu::norm speed up

734

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1

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no

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2012-11-19 00:22:01 -0600 Mahdi

latentSVM vs CascadeClassifier

832

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1

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no

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2012-11-24 05:33:09 -0600 Martin Peris

Create_capture video compression

1k

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1

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1

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

OpenCV and Tegra

819

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1

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no

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2012-12-30 08:39:08 -0600 Alexander Smorkalov

How to use a timer to test performance of android opencv samples on several android devices?

1k

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1

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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

544

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1

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no

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2013-02-23 05:26:28 -0600 berak

Opencv fails to capture click down early after previous

1k

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1

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no

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2013-03-26 23:43:06 -0600 Alexander Smorkalov

Why fastNlMeansDenoisingColored is so slow?

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

917

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1

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no

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2013-05-04 04:55:58 -0600 StevenPuttemans

Decreased performance (fps) when increasing camera resolution?

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

1k

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1

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no

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2013-06-20 16:29:08 -0600 Ouroboros

Best method for detecting multiple white ovals on black background

3k

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1

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no

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2013-06-28 06:05:39 -0600 BeS

Detect Chessboard on Images/Scans from Books and Newspapers

742

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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

413

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1

answer

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

693

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1

answer

1

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

91 questions

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

How to build OpenCV with TBB support?

LSH matching very slow

performance of findHomography

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

Measuring performance of OpenCV functions

Using opencv_traincascade and speed up the processing

Using the opencv_contrib dnn module (too slow)

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

Performance issues on porting warpPerspective into my project

Performance evaluation for detection

Object detection slow

Decreasing the Stitching time

Question about the describe parameter of the files used in performance when doing haartraining?

cv::gpu::norm speed up

latentSVM vs CascadeClassifier

Create_capture video compression

OpenCV and Tegra

How to use a timer to test performance of android opencv samples on several android devices?

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

Opencv fails to capture click down early after previous

Why fastNlMeansDenoisingColored is so slow?

The OpenCV Stitcher is Very Slow

Decreased performance (fps) when increasing camera resolution?

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

Best method for detecting multiple white ovals on black background

Detect Chessboard on Images/Scans from Books and Newspapers

Performance question: vehicle & pedestrian detection

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

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

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