Questions - OpenCV Q&A Forum

259

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no

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-1

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2013-02-07 07:59:44 -0600 Abhinav

How to print and verify that MatDescriptors are non-empty?? [closed]

2k

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2

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2014-04-14 18:37:25 -0600 Yasmin93

background subtraction help

4k

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2

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2013-02-08 09:54:58 -0600 Andrey Pavlenko

Android: Mat converting to CV_8U

1k

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1

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no

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2013-02-09 09:09:50 -0600 Guanta

Running into an error using cv::BFMatcher (bruteforce matcher) with 10,100 training images

7k

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2

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2013-02-09 14:18:03 -0600 pietmau

CascadeClassifier with haarcascade apparently not working

433

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2013-02-08 01:51:39 -0600 Alexander Smorkalov

Scanning and Detecting Object Color in Image

508

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1

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2013-02-07 15:51:06 -0600 Possede

SURF GPU Small Image Size

318

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2

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1

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2013-02-08 10:48:16 -0600 Alexander Smorkalov

Google Native Client Port Feasible?

2k

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2

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2013-02-13 16:47:07 -0600 jiapei100

How to open VideoCapture twice?

1k

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2

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2

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2013-02-08 05:56:53 -0600 StevenPuttemans

Hot to detect logo region in video?

opencv
Video

576

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1

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1

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2013-02-08 02:57:32 -0600 berak

Errors in visual c++

1k

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1

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2013-02-08 09:45:03 -0600 Andrey Pavlenko

OpenCV4Android ndk-build error

661

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1

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2013-02-08 08:14:10 -0600 Alexander Smorkalov

Path file for the video in Javacv

1k

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2013-02-08 07:55:04 -0600 fiberkill

Opencv: Inject sound from web cam microphone to recording avi

8k

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3

answers

3

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2014-06-26 14:00:59 -0600 scorpiodawg

Cross compile OpenCV but failed to find 3rd party library

CMAKE_FIND_ROOT_PATH

34k

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1

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12

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2015-09-16 17:49:42 -0600 sturkmen

about traincascade paremeters, samples, and other...

12k

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2

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1

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2013-02-08 10:11:11 -0600 rics

Mirror Image on Android Front Camera

683

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1

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2013-02-08 12:39:23 -0600 alh93

Mousetrap getsubrect() incorrect size input array

1k

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1

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1

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2013-02-08 13:42:44 -0600 wolvican

How to speed up this code implemented OpenCV

27k

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3

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1

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2013-07-01 08:50:52 -0600 lenteken

Calculating the area of Bounding Box

6k

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1

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2

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2013-02-10 14:09:27 -0600 Maria Dimashova

Convert opencv_traincascade intermediate output into xml

1k

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1

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1

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2013-02-11 09:57:05 -0600 kabamaru

Any ideas for tracking a person who turns around and walks away?

860

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1

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-1

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2013-02-08 16:55:15 -0600 soheil1365

reverse thresholding

331

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1

answer

1

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2013-02-08 22:07:03 -0600 Alexander Smorkalov

Approach for Red Light Recognition on Android

opencv4android

1k

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1

answer

1

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2013-02-09 08:48:40 -0600 alexcv

SIFT and OpponentSIFT normalisation

5k

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1

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no

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2013-02-10 04:22:18 -0600 berak

Norm function for Point2f and Point3f

22k

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1

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no

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2013-02-09 11:03:59 -0600 Mostafa Sataki

dot product

OpenCV-2.4.3

3k

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3

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no

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2019-07-15 04:38:25 -0600 biinui

Fail to set camera resolution higher then 640x480 using Tutorial 5

3k

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1

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no

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2013-02-10 10:30:12 -0600 berak

spatial histogram

381

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no

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no

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2013-02-11 03:06:32 -0600 muthu

FLANN match

flann
match

29,830 questions

How to print and verify that MatDescriptors are non-empty?? [closed]

background subtraction help

Android: Mat converting to CV_8U

Running into an error using cv::BFMatcher (bruteforce matcher) with 10,100 training images

CascadeClassifier with haarcascade apparently not working

Scanning and Detecting Object Color in Image

SURF GPU Small Image Size

Google Native Client Port Feasible?

How to open VideoCapture twice?

Hot to detect logo region in video?

Errors in visual c++

OpenCV4Android ndk-build error

Path file for the video in Javacv

Opencv: Inject sound from web cam microphone to recording avi

Cross compile OpenCV but failed to find 3rd party library

about traincascade paremeters, samples, and other...

Mirror Image on Android Front Camera

Mousetrap getsubrect() incorrect size input array

How to speed up this code implemented OpenCV

Calculating the area of Bounding Box

Convert opencv_traincascade intermediate output into xml

Any ideas for tracking a person who turns around and walks away?

reverse thresholding

Approach for Red Light Recognition on Android

SIFT and OpponentSIFT normalisation

Norm function for Point2f and Point3f

dot product

Fail to set camera resolution higher then 640x480 using Tutorial 5

spatial histogram

FLANN match

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