Just as you'd never send an IT person to do a human resource manager's job, digital image file formats all have their rightful place in the world, complete with their own strengths and weaknesses.

Can anyone recommend software for conversion of a raster image to vector representation? I have a .jpg that I need to blow up to poster size. This is just a one-off so I can't pick up an expensive ...

Although JPEG images are bitmaps -- images built of many individual pixels -- and vector images in formats such as EPS are built of lines, curves, and other geometric shapes, you can use a simple ...