What is the best java image processing library approach

Question

I am using both the JAI media apis and ImageMagick   ImageMagick has some scalability issues and the JNI based JMagick isn t attractive either  JAI has poor quality results when doing resizing operations compared to ImageMagick   Does anyone know of any excellent tools either open source or commercial that are native java and deliver high quality results

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I m not a Java guy  but OpenCV is great for my needs  Not sure if it fits yours  Here s a Java port  I think  http   docs opencv org 2 4 doc tutorials introduction desktop java java dev intro html

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Processing is new but very  very good

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Another good alternative  Marvin

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Try to use Catalano Framework   Keypoints    Architecture like AForge NET Accord NET  Run in the both environments with the same code  desktop and Android  Contains several filters in parallel  Development is on full steam    The Catalano Framework is a framework for scientific computing for Java and Android  The project started as an initial port of the many features of the AForge NET and Accord NET frameworks for  NET  but is steadily growing with more advanced features which are now being shared between those projects   Example   FastBitmap fb   new FastBitmap bitmap    Grayscale g   new Grayscale    g applyInPlace fb    Threshold t   new Threshold 120   t applyInPlace fb    bitmap   fb toBitmap       Show the result

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imo the best approach is using GraphicsMagick Image Processing System with im4java as a comand-line interface for Java   There are a lot of advantages of GraphicsMagick  but one for all    GM is used to process billions of files at the world s largest photo sites  e g  Flickr and Etsy

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I know this question is quite old  but as new software comes out it does help to get some new links to projects that might be interesting for folks   imgscalr is pure-Java image resizing  and simple ops like padding  cropping  rotating  brighten dimming  etc   library that is painfully simple to use - a single class consists of a set of simple graphics operations all defined as static methods that you pass an image and get back a result   The most basic example of using the library would look like this   BufferedImage thumbnail   Scalr resize image  150     And a more typical usage to generate image thumbnails using a few quality tweaks and the like might look like this   import static org imgscalr Scalr     public static BufferedImage createThumbnail BufferedImage img           Create quickly  then smooth and brighten it      img   resize img  Method SPEED  125  OP ANTIALIAS  OP BRIGHTER           Let s add a little border before we return result      return pad img  4       All image-processing operations use the raw Java2D pipeline  which is hardware accelerated on major platforms  and won t introduce the pain of calling out via JNI like library contention in your code   imgscalr has also been deployed in large-scale productions in quite a few places - the inclusion of the AsyncScalr class makes it a perfect drop-in for any server-side image processing   There are numerous tweaks to image-quality you can use to trade off between speed and quality with the highest ULTRA QUALITY mode providing a scaled result that looks better than GIMP s Lancoz3 implementation

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http   im4java sourceforge net  - if you re running linux forking a new process isn t expensive

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There s ImageJ  which boasts to be the  world s fastest pure Java image processing program  It can be used as a library in another application  It s architecture is not brilliant  but it does basic image processing tasks

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I cannot say that it is the  best  library  but I think you can try this  http   algart net java AlgART  It is an open-source Java library  supporting generalized  smart  arrays and matrices with elements of different types  from 1 bit to 64-bit floating point   including 2D-  3D- and multidimensional image processing and other algorithms  working with arrays and matrices  Unfortunately right now it consists not enough demo and examples  but  on the other hand  it contains a lot of JavaDocs  It lay in the base of commercial software  SIMAGIS  during several years  but now it is open-source

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For commercial tools  you might want to try Snowbound   http   www snowbound com   My experience with them is somewhat dated  but I found their Java Imaging API to be a lot easier to use than JAI and a lot faster   Their customer support and code samples were very good too

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RoboRealm vision software list mentions JHLabs and NeatVision among lots of other non-Java based libraries

[java] What is the best java image processing library/approach?

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