Questions - OpenCV Q&A Forum

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2013-04-09 06:11:05 -0600 albertofernandez

Template Matching for android is rather slow. Need suggestions for faster and more user friendly interface.

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3

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2013-05-14 06:34:12 -0600 MysticBE

Does the matching work in OpenCV 2.4.4?

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2013-04-23 09:10:56 -0600 MysticBE

NullpointerException when using a descriptor

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2013-04-24 09:09:35 -0600 zerog80

Saving High Quality Image

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2013-05-16 12:02:38 -0600 StevenPuttemans

Convert String to Mat Java

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2012-09-21 14:31:14 -0600 njaa

Unresolved inclusions in OpenCV android tutorial 4.

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2013-03-22 00:53:36 -0600 Alexander Smorkalov

FAST detection OpenCV for Android gives blue/red screen

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2013-04-28 10:29:30 -0600 baharsan

How Can I Implement cvSet2D in Android ?

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2013-04-08 03:45:34 -0600 NightLife

Converting .Mat to CvArr format (JavaCV)

479

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2013-04-10 09:55:00 -0600 StevenPuttemans

Skipping frame in android-openCV application

412

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2013-04-15 10:10:14 -0600 StevenPuttemans

buildPyramid command for android

213

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2013-05-16 01:46:10 -0600 atasoyh

static initialization And multipleAPK without Jni code

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2013-05-12 17:08:49 -0600 MysticBE

How rotation invariant is FAST + FREAK in practice?

200

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2013-05-31 17:41:51 -0600 Notas

How much byte does BRIEF use with the Java wrapper?

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2015-03-18 12:38:29 -0600 Haris

OpenCV - Computing a best fit grid

223

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2015-08-03 19:16:57 -0600 unxnut

Isolating a change in color in OpenCV.

409

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2016-04-10 22:44:17 -0600 Tetragramm

Using OpenCV4Android, how to blur a part of an image?

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2016-04-20 08:43:08 -0600 sturkmen

How to create an ROI (Region-Of-Interest or submat) from a contour?

411

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2016-06-27 14:51:16 -0600 Solace

Why is the drawContour() in OpenCV generating this strange Mask?

750

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2016-06-26 09:38:52 -0600 sturkmen

How to draw contours INSIDE the edges of detected shape/blob?

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2016-06-28 00:02:26 -0600 berak

Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)

881

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2016-06-26 18:46:10 -0600 Solace

Why does calcHist() method create an empty black histogram Mat?

598

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2016-07-13 17:36:08 -0600 Tetragramm

Looking for a way to turn a circle (unfilled) into a line.

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2016-07-23 10:27:27 -0600 Solace

Is it possible to overlay a transparent image over a live camera view, such that it is overlayed over the captured photo as well?

638

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1

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2017-04-18 13:56:27 -0600 g3org3

Building OpenCV4Android With OpenGL and OpenCL Support

833

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1

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2013-05-02 09:15:18 -0600 MysticBE

Bruteforce and matching giving reverse results. Why?

409

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1

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2014-01-19 09:03:49 -0600 Azwan

Converting threshold image to binary data [closed]

261

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2015-03-04 13:31:53 -0600 Mytheral

Android - Does OpenCV4Android support sortIdx? [closed]

2k

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2015-03-17 08:26:07 -0600 Mytheral

OpenCV4Android - Otsu's Method: Error [closed]

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2015-04-05 11:07:27 -0600 nicolausYes

41 questions

Template Matching for android is rather slow. Need suggestions for faster and more user friendly interface.

Does the matching work in OpenCV 2.4.4?

NullpointerException when using a descriptor

Saving High Quality Image

Convert String to Mat Java

Unresolved inclusions in OpenCV android tutorial 4.

FAST detection OpenCV for Android gives blue/red screen

How Can I Implement cvSet2D in Android ?

Converting .Mat to CvArr format (JavaCV)

Skipping frame in android-openCV application

buildPyramid command for android

static initialization And multipleAPK without Jni code

How rotation invariant is FAST + FREAK in practice?

How much byte does BRIEF use with the Java wrapper?

OpenCV - Computing a best fit grid

Isolating a change in color in OpenCV.

Using OpenCV4Android, how to blur a part of an image?

How to create an ROI (Region-Of-Interest or submat) from a contour?

Why is the drawContour() in OpenCV generating this strange Mask?

How to draw contours INSIDE the edges of detected shape/blob?

Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)

Why does calcHist() method create an empty black histogram Mat?

Looking for a way to turn a circle (unfilled) into a line.

Is it possible to overlay a transparent image over a live camera view, such that it is overlayed over the captured photo as well?

Building OpenCV4Android With OpenGL and OpenCL Support

Bruteforce and matching giving reverse results. Why?

Converting threshold image to binary data [closed]

Android - Does OpenCV4Android support sortIdx? [closed]

OpenCV4Android - Otsu's Method: Error [closed]

Detect type of document in a real-time

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