Questions - OpenCV Q&A Forum

7k

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2

answers

3

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2013-04-11 11:52:36 -0600 IsaacFernandez

Explanation of cascade.xml in a haar classifier

1k

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no

answers

3

votes

2013-03-04 05:59:52 -0600 aliciadominica

BoW + SVM won't work [closed]

3k

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2

answers

3

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2014-09-28 16:13:00 -0600 sam.petrocelli

Non-parallel stereo camera calibration and 3D reconstruction

782

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1

answer

3

votes

2013-03-06 08:48:29 -0600 Paul

Can openCV support Windows phone??

windows
WP8

20k

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2

answers

3

votes

2014-09-05 17:47:36 -0600 pronikinator

image comparison with a database

6k

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4

answers

3

votes

2013-03-24 09:46:51 -0600 JoeyChu

trouble when use opencv_traincascade.exe

15k

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1

answer

2

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2013-05-25 04:33:50 -0600 berak

can't imread or imwrite in python

1k

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1

answer

3

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2013-03-15 05:14:50 -0600 StevenPuttemans

Drawing limited by size of int in opencv

1k

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1

answer

3

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2013-09-29 06:53:05 -0600 durisa

Identifying and tracking hands in a scene

4k

views

1

answer

3

votes

2013-12-03 10:19:23 -0600 JNB

Convert between depth values and depth types

depths
types

4k

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1

answer

3

votes

2013-03-22 12:20:11 -0600 StevenPuttemans

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

1k

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2

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3

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2013-05-23 00:17:24 -0600 keltik

java.lang.IllegalArgumentException: Incomatible Mat from MatOfDMatch

15k

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1

answer

3

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2013-03-25 09:13:32 -0600 Guanta

feature 2d: Feature Matching fails with assert (stat.cpp)

911

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1

answer

3

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2014-02-14 10:27:18 -0600 rjewell

Bug in findContours or convexHull or convexityDefects

18k

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3

answers

3

votes

2018-01-04 08:08:04 -0600 Rezki Oksaputri

SURF matching against a database of images

flann
SURF

24k

views

2

answers

3

votes

2013-04-03 04:44:22 -0600 mrgloom

Mood/Emotion Detection (Happy to Sad) using OpenCV

object-detection

767

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1

answer

3

votes

2013-04-06 04:13:56 -0600 Mathieu Barnachon

Python Wrapper for BoW

python
BOW

29k

views

5

answers

3

votes

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

answers

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

answer

3

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

Crop Image using four points

14k

views

1

answer

3

votes

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

Is there a meshgrid function in OpenCV?

Matlab

3k

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2

answers

3

votes

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

How to use trainHOG with liblinear or libsvm?

1k

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1

answer

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

answers

3

votes

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

OpenMax for cv2.VideoCapture

4k

views

3

answers

3

votes

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

Problem with OpenCV calibration module

calibration

11k

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1

answer

3

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

Returning a Mat from native JNI to Java

1k

views

1

answer

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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1

answer

3

votes

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

Matching ORB descriptors with flann LSH on Android

2k

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2

answers

3

votes

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

How do you classify true negatives ?

3k

views

3

answers

3

votes

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

29,830 questions

Explanation of cascade.xml in a haar classifier

BoW + SVM won't work [closed]

Non-parallel stereo camera calibration and 3D reconstruction

Can openCV support Windows phone??

image comparison with a database

trouble when use opencv_traincascade.exe

can't imread or imwrite in python

Drawing limited by size of int in opencv

Identifying and tracking hands in a scene

Convert between depth values and depth types

Question about calculation of positive and negative examples for training a LBP classifier and not getting stuck because of a wrong number of nPOS and nNEG.

java.lang.IllegalArgumentException: Incomatible Mat from MatOfDMatch

feature 2d: Feature Matching fails with assert (stat.cpp)

Bug in findContours or convexHull or convexityDefects

SURF matching against a database of images

Mood/Emotion Detection (Happy to Sad) using OpenCV

Python Wrapper for BoW

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

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