Questions - OpenCV Q&A Forum

29k

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5

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3

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2014-06-30 07:54:17 -0600 keyvan

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

7k

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2

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3

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2013-04-10 03:48:00 -0600 uvts_cvs

Template Matching with Multiple Occurance

20k

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1

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3

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2013-04-12 16:16:31 -0600 StevenPuttemans

Crop Image using four points

14k

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1

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3

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2013-04-16 17:35:33 -0600 Guanta

Is there a meshgrid function in OpenCV?

Matlab

3k

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2

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3

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2013-09-26 15:39:26 -0600 DaHoC

How to use trainHOG with liblinear or libsvm?

1k

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1

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3

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2013-04-19 20:15:33 -0600 bompus

Implement BBF / ICF for object (face) detection.

1k

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no

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3

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2013-04-21 21:52:51 -0600 bspratt

OpenMax for cv2.VideoCapture

4k

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3

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3

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2016-11-15 09:41:23 -0600 mannyglover

Problem with OpenCV calibration module

calibration

11k

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1

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3

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2013-04-22 06:13:14 -0600 Vladislav Vinogradov

Returning a Mat from native JNI to Java

1k

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1

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3

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2013-05-24 01:26:36 -0600 atasoyh

how can I build and use only highgui-imgproc-core modules on Android?

3k

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2013-04-26 02:26:23 -0600 Alexander Smorkalov

Matching ORB descriptors with flann LSH on Android

2k

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2

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3

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2013-04-29 07:04:19 -0600 StevenPuttemans

How do you classify true negatives ?

3k

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3

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3

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2013-04-29 02:07:41 -0600 StevenPuttemans

object identification in aerial image

1k

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1

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2013-04-29 12:21:16 -0600 rics

Detect non-humans (birds)

newbie

10k

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2

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3

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2014-02-18 15:43:47 -0600 Atul

imshow equivalence in Java

java
imshow

3k

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1

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3

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2013-05-07 04:07:19 -0600 Mathieu Barnachon

Joint histograms

532

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no

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3

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2013-05-13 01:59:27 -0600 Hugo Feng

Unable to use KalmanFilter in Java on Android

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2

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2014-04-17 05:40:03 -0600 lasandcris

Linker settings, gpu functionality removed or integrated with cpu?

18k

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2

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3

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2013-05-31 08:55:04 -0600 StevenPuttemans

Cmake + openCV2.4.5 (GIT repository - 2.4 branch) + Windows 7 x64 building steps and problems solved (zip with dll's available)

10k

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1

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3

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2017-06-16 13:20:40 -0600 berak

how to get the position of a pixel with the mouse?

85k

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1

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2013-05-30 08:10:49 -0600 Vladislav Vinogradov

how to free memory through cv::Mat ?

#Mat

903

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1

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3

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2013-05-30 15:10:23 -0600 berak

Bug Python binding x64 / Windows 7

1k

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1

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3

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2013-06-02 11:18:25 -0600 yes123

knnMatch with k = 2 returns 0 nearest-neighbour with images with 1 keypoint

1k

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1

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3

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2013-09-11 11:01:07 -0600 George Profenza

adding new device for image capture (Raspberry Pi CSI module)?

2k

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1

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3

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2013-06-05 09:15:38 -0600 StevenPuttemans

GPU detectMultiScale on LBP classifier gets into an infinite loop, how to check?

2k

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1

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3

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2013-07-02 22:26:32 -0600 Torcellite

Using default BaseLoaderCallback in an android service

46k

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5

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3

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2015-11-19 14:28:20 -0600 matman

What is the best practise for passing cv::Mats around

#Mat

5k

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1

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3

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2013-06-07 04:39:50 -0600 berak

matchShapes always returns 0

matchShapes

13k

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1

answer

3

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2013-06-10 05:05:01 -0600 Vladislav Vinogradov

Create a mask with a roi

709

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1

answer

3

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2013-12-02 11:13:57 -0600 humbleAR

29,830 questions

Cascade Training Error OpenCV 2.4.4 - Train dataset for temp stage can not filled. Branch training terminated. Cascade Classifier can't be trained. check the used training parameters

Template Matching with Multiple Occurance

Crop Image using four points

Is there a meshgrid function in OpenCV?

How to use trainHOG with liblinear or libsvm?

Implement BBF / ICF for object (face) detection.

OpenMax for cv2.VideoCapture

Problem with OpenCV calibration module

Returning a Mat from native JNI to Java

how can I build and use only highgui-imgproc-core modules on Android?

Matching ORB descriptors with flann LSH on Android

How do you classify true negatives ?

object identification in aerial image

Detect non-humans (birds)

imshow equivalence in Java

Joint histograms

Unable to use KalmanFilter in Java on Android

Linker settings, gpu functionality removed or integrated with cpu?

Cmake + openCV2.4.5 (GIT repository - 2.4 branch) + Windows 7 x64 building steps and problems solved (zip with dll's available)

how to get the position of a pixel with the mouse?

how to free memory through cv::Mat ?

Bug Python binding x64 / Windows 7

knnMatch with k = 2 returns 0 nearest-neighbour with images with 1 keypoint

adding new device for image capture (Raspberry Pi CSI module)?

GPU detectMultiScale on LBP classifier gets into an infinite loop, how to check?

Using default BaseLoaderCallback in an android service

What is the best practise for passing cv::Mats around

matchShapes always returns 0

Create a mask with a roi

segmentation fault with CvSVM predict

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