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.
Previously, before the arrival of digital photography and the current accompanying technology, background removal was performed in a more laborious process.
It was performed in a darkroom with the necessary ambient conditions including proper room temperature. The film was submerged in working solution and was monitored constantly. Overexposure of the film to the solution could result in an increase in background blur and decrease in resolution.
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 commonly used raster graphics editors and digital photo editors will also work just as well. Most digital photo editors have plug-ins which can alter the background in different ways. Plug-ins are computer programs with highly particular functions. Most sophisticated photo editing programs use special purpose plug-ins and will perform background editing and removal based on special 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.
It is amazing how versatile an object without a background can become. It maintains all of its properties like size and shape, but gains a flexibility that be capitalized on in its individual use.
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