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    <p>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.</p> <p><a href="https://github.com/thebuzzmedia/imgscalr">imgscalr</a> is pure-Java image resizing (and simple ops like padding, cropping, rotating, brighten/dimming, etc.) library that is <a href="http://www.thebuzzmedia.com/downloads/software/imgscalr/javadoc/org/imgscalr/Scalr.html">painfully simple</a> to use - a single class consists of a set of simple graphics operations all defined as <em>static</em> methods that you pass an image and get back a result.</p> <p>The most basic example of using the library would look like this:</p> <pre><code>BufferedImage thumbnail = Scalr.resize(image, 150); </code></pre> <p>And a more typical usage to generate image thumbnails using a few quality tweaks and the like might look like this:</p> <pre><code>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); } </code></pre> <p>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.</p> <p>imgscalr has also been deployed in large-scale productions in <a href="http://www.thebuzzmedia.com/software/imgscalr-java-image-scaling-library/#projects">quite a few places</a> - the inclusion of the <a href="http://www.thebuzzmedia.com/downloads/software/imgscalr/javadoc/org/imgscalr/AsyncScalr.html">AsyncScalr class</a> makes it a perfect drop-in for any server-side image processing.</p> <p>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.</p>
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    1. POWhat is the best java image processing library/approach?
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    1. USRiyad Kalla
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    1. COmost welcome, glad it helped!
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      1. USRiyad Kalla
    2. CO+1, seems very good at first glance, will give this a try.
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      1. USAmos M. Carpenter
    3. COimagscalr looks really great! Haven't tried it yet though, but it's now on my to-try-out-list. Thanks
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      1. USFranz See
 

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