Questions - OpenCV Q&A Forum

166

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no

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2019-08-26 09:44:04 -0600 Mralaa

How to run Flash while opining camera?

1k

views

1

answer

1

vote

2019-11-12 12:00:52 -0600 dhirwinjr

Issue using OpenCV 4.1.1 and Tracking API in Java

698

views

1

answer

-1

votes

2019-11-23 02:06:29 -0600 Akhil Patel

Detect all Countour not an only Rectangle

8k

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3

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no

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2019-11-30 08:47:40 -0600 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

204

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no

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2019-12-15 21:37:09 -0600 Avadhoot05

Mass center of contour is showing incorrectly in opencv java

490

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no

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2019-12-24 14:18:38 -0600 karDilip

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

opencv
java

3k

views

1

answer

no

votes

2020-01-03 07:05:22 -0600 supra56

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

435

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no

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2020-01-13 20:53:04 -0600 supra56

Opencv Videocapture cannot get stream

2k

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1

answer

1

vote

2020-01-29 02:58:57 -0600 berak

Face recognition app for android (OpenCV)

844

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no

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no

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2020-02-24 05:27:22 -0600 krjeev

Blob depth should be CV_32F or CV_8U

259

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no

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2020-02-25 07:25:11 -0600 Jonaskri

Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]

179

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no

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no

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2020-02-28 14:44:41 -0600 ROMEL

from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?

443

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no

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no

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2020-03-06 03:26:55 -0600 supra56

calling mat.copyto and mat.clone in loop causes machine to freeze in java [closed]

1k

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1

answer

no

votes

2020-03-17 15:01:25 -0600 DrThrax

Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F

1k

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1

answer

no

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2020-03-23 17:51:04 -0600 ssokolow

Find only internal contours in JavaCV/OpenCV

489

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no

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no

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2020-05-01 03:41:04 -0600 JulesHummelink

Memory leak with openCV on android

292

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no

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2020-06-01 23:08:50 -0600 muas

I am using LBPH model yml to save images after train, how can i save images with their user-id

java
opencv

2k

views

1

answer

-1

votes

2020-07-11 08:15:46 -0600 berak

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

java
opencv

881

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no

answers

no

votes

2020-08-19 12:34:30 -0600 Nagarjuna

opencv java How to sort contours from left to right [closed]

opencv
java

2k

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no

answers

no

votes

2020-10-17 10:57:39 -0600 sturkmen

Convert Python Into Java / Kotlin using these operations

1k

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2

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no

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2020-10-22 00:54:59 -0600 sohamgandhi

Video writer in java not saving

836

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no

answers

no

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2020-12-04 09:17:00 -0600 fafafafa

pre-built OpenCv with extra modules for java

java
opencv

846

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no

answers

no

votes

2020-12-05 08:45:02 -0600 fafafafa

Error building opencv with extra modules in Visual Studio 2013

opencv
java

1k

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no

answers

no

votes

2020-12-07 14:26:14 -0600 fafafafa

errors when building opencv 4.5.0 wit extra modules using Mingw [closed]

opencv
java

354 questions

How to run Flash while opining camera?

Issue using OpenCV 4.1.1 and Tracking API in Java

Detect all Countour not an only Rectangle

Importing OpenCV 4.X android SDK module into Android Studio

Mass center of contour is showing incorrectly in opencv java

OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!

java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]

Opencv Videocapture cannot get stream

Face recognition app for android (OpenCV)

Blob depth should be CV_32F or CV_8U

Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]

from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?

calling mat.copyto and mat.clone in loop causes machine to freeze in java [closed]

Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F

Find only internal contours in JavaCV/OpenCV

Memory leak with openCV on android

I am using LBPH model yml to save images after train, how can i save images with their user-id

how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'

opencv java How to sort contours from left to right [closed]

Convert Python Into Java / Kotlin using these operations

Video writer in java not saving

pre-built OpenCv with extra modules for java

Error building opencv with extra modules in Visual Studio 2013

errors when building opencv 4.5.0 wit extra modules using Mingw [closed]

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