Questions - OpenCV Q&A Forum

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2015-09-28 11:53:43 -0600 Silberlicht

OpenCV4Android - Get 16bit pixel values?

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2015-09-29 17:14:56 -0600 F1sherKK

OpenCV4Android, Core.minMaxLoc() assertion failed [closed]

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2015-11-25 12:09:22 -0600 phoenix37

OpenCV Android an array/vector of Mat

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2015-12-12 02:43:00 -0600 sukumargaonkar

Pass MatofKeypoint from Java to c++ as vector<Keypoint> - OpenCV4Android

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2016-01-08 03:41:37 -0600 Solace

OpenCV4Android Sample App - what does this code snippet do?

opencv4android

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2016-01-08 11:06:34 -0600 Raymond

What is the best method for getting ROI of an eye?

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2016-01-11 03:05:22 -0600 Solace

Why doesn't the inRange() function detect this little red colored blob in this 50px Mat? [closed]

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2016-01-12 03:01:33 -0600 Solace

How to change the values of HSV channels of a pixel using OpenCV4Android?

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2016-01-13 13:46:45 -0600 Solace

Why is pointPolygonTest() method of OpenCV4Android returning -1 for every pixel? [closed]

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2016-02-04 06:53:01 -0600 Poovamraj

Whenever i use Imgproc.rectangle and Imgproc.circle function following error appears

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2016-02-24 03:40:15 -0600 Mustansar Saeed

Detect real time face only [closed]

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2016-03-19 13:37:41 -0600 XDimension

SIFT support for Opencv4Android

opencv4android

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2016-04-08 18:53:45 -0600 Solace

Inside a Fragment, what is the correct place to initialize OpenCV4Android?

411

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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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2016-04-19 04:02:09 -0600 Solace

How to determine if OpenCV4Android has already been initialized?

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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?

412

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

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

408

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2016-04-26 04:34:11 -0600 WhoAmI

[armeabi-v7a] library errors in Face-detection sample

opencv4android

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2016-04-26 08:00:24 -0600 WhoAmI

Do I need a Cygwin to run OpenCV4Android [closed]

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2016-05-27 06:52:08 -0600 WhoAmI

Android Emulator Camera Displaying Blocks

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2016-04-28 06:41:07 -0600 WhoAmI

Cannot load info library for OpenCV

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2016-05-22 11:37:21 -0600 Meng Wang

Photo.createTonemap in opencv4android

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2016-06-24 13:12:11 -0600 jojo94

how to use opencv4android pca to train svm model? [closed]

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)

883

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

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

782

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2016-06-26 18:44:38 -0600 Solace

Why am I getting this Assertion Failed error in my calcHist() call? [closed]

606

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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?

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2016-08-18 09:33:58 -0600 berak

148 questions

OpenCV4Android - Get 16bit pixel values?

OpenCV4Android, Core.minMaxLoc() assertion failed [closed]

OpenCV Android an array/vector of Mat

Pass MatofKeypoint from Java to c++ as vector<Keypoint> - OpenCV4Android

OpenCV4Android Sample App - what does this code snippet do?

What is the best method for getting ROI of an eye?

Why doesn't the inRange() function detect this little red colored blob in this 50px Mat? [closed]

How to change the values of HSV channels of a pixel using OpenCV4Android?

Why is pointPolygonTest() method of OpenCV4Android returning -1 for every pixel? [closed]

Whenever i use Imgproc.rectangle and Imgproc.circle function following error appears

Detect real time face only [closed]

SIFT support for Opencv4Android

Inside a Fragment, what is the correct place to initialize OpenCV4Android?

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

How to determine if OpenCV4Android has already been initialized?

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

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

[armeabi-v7a] library errors in Face-detection sample

Do I need a Cygwin to run OpenCV4Android [closed]

Android Emulator Camera Displaying Blocks

Cannot load info library for OpenCV

Photo.createTonemap in opencv4android

how to use opencv4android pca to train svm model? [closed]

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?

Why am I getting this Assertion Failed error in my calcHist() call? [closed]

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?

Saving OpenCV images in Android

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