JDeli

Lanczos3 algorithm as a way to produce better image…

Image scaling options Finding Better Down-Sampling Methods Recently at IDR Solutions, I have been looking for ways to provide higher image quality when down-sampling...
suda
1 min read

How to generate smaller PNG files in Java

Introduction As you may already know, PNG is a lossless image format which has comparatively larger file sizes when compared to JPEG. But often PNG...
suda
1 min read

Why we have abandoned ImageIO and JAI for Image…

Introduction At IDRsolutions, we are now using our own Java Image Library (JDeli, the best enterprise-level Java image library for performance and efficiency) as...
Mark Stephens
47 sec read

What are Indexed Colorspaces?

What are Indexed Colorspaces? Indexed Colorspaces store a list of the colors used and reference that list to get the color of each pixel,...
Mark Stephens
52 sec read

Replacing the deprecated Java JPEG classes for Java 7

In the early days of Java, Sun produced a really handy set of classes to handle JPEG images. These included some really nifty little...
Mark Stephens
1 min read

How does CCITT compress image data?

How does CCITT compression work? CCITT encodes black and white data. It does this by encoding runs of black or white pixels. We can...
Mark Stephens
3 min read