Questions tagged [marvin-framework]

Marvin is an extensible, cross-platform and open source image processing framework developed in Java.

Marvin is an extensible, cross-platform and open source image processing framework developed in Java. The framework provides features to:

  • manipulate images;
  • manipulate captured video frames;
  • multithreading image processing;
  • integrate plug-ins with Graphical User Interface(GUI);
  • analyze plug-in performance;
  • extend features via plug-ins;
  • unit test automation;
35 questions
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Removing contour using Marvin Framework in Java

I'm using Marvin Framework to get the veins pattern, but I don't know how to remove the leaf contour I'm doing the following : (Each function calls its corresponding Marvin Plugin.) : MarvinImage source =…
17
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3 answers

2D Shape recognition algorithm - looking for guidance

I need the ability to verify that a user has drawn a shape correctly, starting with simple shapes like circle, triangle and more advanced shapes like the letter A. I need to be able to calculate correctness in real time, for example if the user is…
9
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2 answers

Video processing and filtering libraries

I'm trying to decide which library to choose in order to create app that can filters a video, for example beautify or clarity. During my search I came across 2 candidates: OpenCv and FFmpeg, and I found a complete framework only for FFmpeg(so +1 for…
Nativ
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How to change white background for black

In a recent project I have to manipulate images, but since this is new to me I am kind of lost. I need to scan the hand using a regular scan device. I could acomplish this but the background is white and I need it to be black. After several days of…
3
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2 answers

scale image with marvin

I am using the Marvin Image Processing Framework in Java and I am struggling to scale the image. It's just making a black square, can you see what I have done wrong? The set threshold is working. package com.example.marvin; import…
volican
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Edge Detection using MarvinJ JavaScript

I am a beginner in Image Processing.I want to use MarvinJ javascript library to detect horizontal ,vertical and diagonal line (edge detection) given a image. I have came across a lot of code examples which told that using prewitt one can do edge…
2
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1 answer

How to change the image background to white?

I have set of images. Images have a simple background. I want to change that background to white using Marvin Framework and Java. As I am new to Marvin, it is making me trouble to change the background. I also tried opencv for java but its giving…
2
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1 answer

Using Java’s Marvin framework with Android

I have created an activity captures an image through Camera and now I have the image in Bitmap format which I want to pass to this plugin class from here: The function looks like this: public void process(MarvinImage imageIn, MarvinImage imageOut,…
Maven
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Adding MarvinFramework to a WebApp on Tomcat7

I have a Jersey WebApp running on Tomcat and want to integrate the MarvinFramework for ImageProcessing. Basically I want to reduce noise, grayscale and scale an Image for further processing. The Marvin Framework relies on custom Plugins for their…
sschrass
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I'm using Marvin Image Processing Library, MarvinPluginLoader.loadImagePlugin() throw FileNotFoundException

FileNotFoundExecption thrown on acceccing jar using relfection on Jersey REST Web Service. java.io.FileNotFoundException: .\marvin\plugins\image\org.marvinproject.image.color.grayScale.jar (The system cannot find the path specified) at…
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1 answer

How can I add Marvin Framework to a dynamic web project running on tomcat?

Marvin Framework is running perfectly in my Java project in Eclipse. I have copied the whole marvin folder to the project root folder, following the readme file. All good. Now, when setting up the same app as dynamic web project in Eclipse and try…
Archy
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2D geometric shape vertices coordinates detection

I am trying to find the vertices and their coordinates for simple geometric shape using marvin-framework. This is the code I have (based on https://stackoverflow.com/a/25223830/957057) package com.example.marvin; import static…
gammay
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Draw text in the Marvin Image Processing Framework Java

I'm working on the classifying object in the image. I'm using Marvin Image Processing Framework, and I'm successfully segmenting object, but I want to insert text on the image This is the output of my image segmentation, and I want to draw text…
Konorika
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Marvin Plugin Attributes

I recently found Marvin and have been messing around with it a bit. The main bottleneck I've come across, though, is that there isn't much documentation provided with it. The Javadocs page is sparse and there are very few useful examples provided on…
Koszuta
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How to apply grayscale image mask to a rgb image in java

I was recommended to separate this question from another one. Here is the original: How to change white background for black After some image processes i get a binary image, but the borders are so hard so i apply a gaussian filter to get a soft one.…
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