An Image is a numeric representation (normally it is binary) of a two-dimensional image. Depending on whether the image resolution is fixed (non changeable), it may be of vector or raster type. Without qualifications, the term “image” usually refers to raster images also called bitmap images.

Image

How does a decodeArray work?

When you create an image in a PDF file it is possible to specify that it is inverted or control the range of values....
Mark Stephens
31 sec read

Java CMYK to RGB conversion – speed comparison of…

Some optimisations are best left to Java. For example a System.arraycopy is the fastest way to create a new version because it is optimised...
Mark Stephens
1 min read

How to Convert CCITT data to TIFF image (Tutorial)

What is CCITT data? CCITT is used to compress black and white image data. Using Huffman encoding, the data is squeezed into a much...
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

Java and anti-aliasing

Anti-aliasing is the processes of making the edges of lines on shapes or text less jagged. This is done by fooling the eye –...
Mark Stephens
1 min read

How to extract JPG data from PDF

It is actually possible to extract some raw images from the PDF file. In general, images do not exist inside a PDF file –...
Mark Stephens
1 min read