opencv_native_androidstudio | An android studio project with native Opencv | Android library

by leadrien Java Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | opencv_native_androidstudio Summary

opencv_native_androidstudio is a Java library typically used in Mobile, Android, React Native, OpenCV applications. opencv_native_androidstudio has no vulnerabilities, it has build file available and it has low support. However opencv_native_androidstudio has 13 bugs. You can download it from GitHub.

This application is a sample Android Studio project with native OpenCV. It gets the camera frames, make JNI calls with its gray matrices references as parameters, add some random noise to the images from a C++ method, and render the generated frames. It works with Android Studio 3+. Last included OpenCV version: 3.4.

Support

Quality

Security

License

Reuse

Support

opencv_native_androidstudio has a low active ecosystem.

It has 292 star(s) with 113 fork(s). There are 14 watchers for this library.

It had no major release in the last 6 months.

There are 4 open issues and 15 have been closed. On average issues are closed in 48 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of opencv_native_androidstudio is current.

Quality

opencv_native_androidstudio has 13 bugs (0 blocker, 2 critical, 10 major, 1 minor) and 10027 code smells.

Security

opencv_native_androidstudio has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

opencv_native_androidstudio code analysis shows 0 unresolved vulnerabilities.

There are 6 security hotspots that need review.

License

opencv_native_androidstudio does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

opencv_native_androidstudio releases are not available. You will need to build from source code and install.

Build file is available. You can build the component from source.

Installation instructions are not available. Examples and code snippets are available.

opencv_native_androidstudio saves you 8999 person hours of effort in developing the same functionality from scratch.

It has 18417 lines of code, 4032 functions and 143 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed opencv_native_androidstudio and discovered the below as its top functions. This is intended to give you an instant insight into opencv_native_androidstudio implemented functionality, and help decide if they suit your requirements.

Connects to the camera
Creates the camera preview session
Delivery frame to canvas
Calculate the preview size for the given image
Set camera preview size
Calculate the size of the cac preview
Initializes camera preview
Sets this matrix to the given values
Completes state
Initializes OpenCV libs
Creates a hash code
Open camera
Convert a vector to a matrix
Decomposes homography matrices
Convert a vector to a Matcher
Converts a vector to a Matcher
Computes the values of a camera matrix
Computes stereo rectification
Convert a vector to a Matcher
Rectify 3 matrices
Called when the camera is drawn
Opens a camera
Convert vector vector to mat
Registers a new package
Hashes the hash code
Sets the camera preview size

Get all kandi verified functions for this library.

opencv_native_androidstudio Key Features

No Key Features are available at this moment for opencv_native_androidstudio.

opencv_native_androidstudio Examples and Code Snippets

No Code Snippets are available at this moment for opencv_native_androidstudio.

Community Discussions

Trending Discussions on opencv_native_androidstudio

How to fix crash on launch in Android Studio 4?

OpenCV in Android Studio with NDK grabCut returns always black mask

QUESTION

How to fix crash on launch in Android Studio 4?

Asked 2020-Dec-05 at 17:54

It happened when after I installed some intellij related plugins after importing a native opencv project https://github.com/leadrien/opencv_native_androidstudio/blob/master/app/src/main/cpp/native-lib.cpp. On startup it throws in this error.

...

ANSWER

Answered 2020-Aug-17 at 02:23

I solved it by deleting the latest plugins in ~/.AndroidStudio4.0/config/plugins/ Gauge-Java-Intellij and Markdown were causing issues in my case.

Source https://stackoverflow.com/questions/63443687

QUESTION

OpenCV in Android Studio with NDK grabCut returns always black mask

Asked 2017-May-17 at 06:26

I created an Android Studio project with NDK support and OpenCV native libraries using the steps in this example:

https://github.com/leadrien/opencv_native_androidstudio

With this example working fine, I'm trying to use grabCut algorithm. My app should show 3 images in the main Activity: the original image, the transformed image and the mask used. But actually the mask that is showing is all black and, for that, the processed image is like the original one.

My java code:

...

ANSWER

Answered 2017-May-17 at 06:26

I found the problem some time ago but I forgot to post the answer.

It seems that there was a problem with some bugs in opencv + ndk and I solved my problem not using the same bitmap at source and destination in copyTo function:

Source https://stackoverflow.com/questions/42552985

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install opencv_native_androidstudio

You can download it from GitHub.
You can use opencv_native_androidstudio like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the opencv_native_androidstudio component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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