Background Removal refers to the removal of the background or the backdrop of the picture wherein the object/objects are placed. While removing the background, the entire background or merely parts of the background we desire can be removed.
Background removal once was an arduous process. Now with the arrival of digital photography and all of its technologies it is actually simple.
In those pre-digital days background removal was done in the darkroom with the essential ambient conditions to include the correct room temperature. The film was submerged in a working solution and had to be constantly monitored. Background blur and decrease in resolution was achieved through overexposure of the film to the solution.
Today, background removal is possible with any digital photo editing software like GNU Image Manipulation Program, or GIMP. GIMP is a special type of graphics editing application that is able to support some kinds of object-oriented (or vector) graphics.
It is not necessary that the digital photo editing software used for background removal be able to support all types of object-oriented graphics. The advantage in using GIMP of course, is that it enables easy vector to raster conversion.
Other popularly used raster graphics editors and digital photo editors will also work just fine. Most digital photo editors have a number of plug-ins which can modify the background in different ways. Plug-ins are computer programs with highly specific purposes. Most sophisticated photo editing programs use special purpose plug-ins and will perform background editing and removal based on different criteria.
Objects without backgrounds can be utilized in a number of different ways. They can be inserted in front of a new backdrop and in different environments than originally. An example would be to take a horse in a field and change the field to a stable setting. The object can be moved around in any way and its alignment with the new background can also be modified.
The interesting thing about an object without a background is that it retains all its properties like shape and size, but makes itself more flexible to individual usage.
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