Photo manipulation involves transforming or altering a photograph using various methods and techniques to understand desired results. Some photo manipulations are considered skilful artwork while others are frowned upon as unethical practices, especially when used to deceive the overall public . Other examples include getting used for political propaganda, or to form a product or person look better, or just for entertainment purposes or harmless pranks.
Depending on the appliance and intent, some photo manipulations are considered an kind because it involves the creation of unique images and in some instances, signature expressions of art by photographic artists. For example, Ansel Adams employed some of the more common manipulations using darkroom exposure techniques, burning and dodging (lightening) a photograph. Other samples of photo manipulation include retouching photographs using ink or paint, airbrushing, double exposure, piecing photos or negatives together within the darkroom, scratching instant films, or through the use of software-based manipulation tools applied to digital images. There are variety of software applications available for digital image manipulation, starting from professional applications to very basic imaging software for casual users.