Questions - OpenCV Q&A Forum

2k

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2

answers

3

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2013-01-20 09:51:43 -0600 Alexander Smorkalov

Different behaviour when using cv::Mat and cv::Matx types

5k

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2

answers

1

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2013-01-21 04:54:18 -0600 osmander

Get the image size without actually opening it

620

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2

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no

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2013-01-19 10:49:39 -0600 unxnut

Linker error

linkerError

1k

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2

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2

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2013-01-20 09:23:22 -0600 Alexander Smorkalov

Is there a way to grab all the pixels of a matrix in Java, operate on every pixel, and then put them all back into the image, using only two JNI calls?

5k

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2

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no

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2013-01-24 20:57:36 -0600 burakim

opencv cannot access my webcam

2k

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2

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no

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2013-10-28 04:39:09 -0600 Samjakar

Very simple TrainCascade not working

1k

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2

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no

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2013-05-15 16:01:29 -0600 Guanta

Training CvGBTrees/CvRTrees with Features?

592

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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?

1k

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2

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no

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2013-01-24 04:19:28 -0600 Haris

opencv 2.4.3 - missing include files

7k

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2

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1

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2013-01-26 04:55:06 -0600 AlexanderShishkov

copy selected row of a matrix to another

1k

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2

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no

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2013-01-29 18:48:30 -0600 bdg26

Unfortunately, OCV T1 Add OpenCV has stopped (opencv4android)

10k

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2

answers

3

votes

2013-01-28 10:44:42 -0600 ubehagelig

Image stitching in real-time (Parallel Processing)

5k

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2

answers

2

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2013-10-31 08:32:34 -0600 iReallyUbuntu

OpenCV and FFmpeg for Android

8k

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2

answers

2

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2013-01-28 23:07:11 -0600 Haris

Cutting selected frame ranges from a video

frames
Video

7k

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2

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no

votes

2013-05-03 14:23:33 -0600 samuel

How to Install OpenCV with Processing??

2k

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2

answers

7

votes

2014-11-13 21:38:08 -0600 wulfebw

Up to date version of Mergevec.cpp?

1k

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2

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no

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2013-01-29 03:37:42 -0600 Mostafa Sataki

Resizing Image

resize

1k

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2

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no

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2013-01-29 12:00:00 -0600 Alexander Smorkalov

Image Stitching with OpenCV

1k

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2

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1

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2013-04-03 13:22:10 -0600 Rui Marques

Compile issue - Ubuntu

940

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2

answers

1

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2013-01-30 08:37:06 -0600 nqchanh

display image prob ?

10k

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2

answers

2

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2013-04-29 13:51:30 -0600 StevenPuttemans

compareHist problem, type != CV_32F

628

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2

answers

no

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2013-05-14 02:00:43 -0600 tulip_rc

Feature detector problem (unhandled exception)

859

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2

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no

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2013-02-26 07:05:57 -0600 bennie

Multiple object tracking - optical flow

opencv

31k

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2

answers

2

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2013-02-04 03:36:30 -0600 Geppertm

How to set or get VideoCapture properties?

videocapture

13k

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2

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no

votes

2013-01-31 08:34:20 -0600 unxnut

Missing Shared library

13k

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2

answers

4

votes

2013-02-01 02:01:45 -0600 Michael Burdinov

submat roi help

2k

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2

answers

1

vote

2013-02-06 14:27:18 -0600 unxnut

find a specific balck object with white spot on an image

Find
object

804

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2

answers

1

vote

2013-02-01 01:29:40 -0600 Mostafa Sataki

discretization

contour

30k

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2

answers

no

votes

2013-02-02 10:33:43 -0600 Alexander Smorkalov

Extracting groups of adjacent non-white pixels

blob-analysis

7k

views

2

answers

5

votes

2019-07-25 10:22:44 -0600 AbhiTronix

29,830 questions

Different behaviour when using cv::Mat and cv::Matx types

Get the image size without actually opening it

Linker error

Is there a way to grab all the pixels of a matrix in Java, operate on every pixel, and then put them all back into the image, using only two JNI calls?

opencv cannot access my webcam

Very simple TrainCascade not working

Training CvGBTrees/CvRTrees with Features?

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

opencv 2.4.3 - missing include files

copy selected row of a matrix to another

Unfortunately, OCV T1 Add OpenCV has stopped (opencv4android)

Image stitching in real-time (Parallel Processing)

OpenCV and FFmpeg for Android

Cutting selected frame ranges from a video

How to Install OpenCV with Processing??

Up to date version of Mergevec.cpp?

Resizing Image

Image Stitching with OpenCV

Compile issue - Ubuntu

display image prob ?

compareHist problem, type != CV_32F

Feature detector problem (unhandled exception)

Multiple object tracking - optical flow

How to set or get VideoCapture properties?

Missing Shared library

submat roi help

find a specific balck object with white spot on an image

discretization

Extracting groups of adjacent non-white pixels

realtime video stabilization

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