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For example, Ansel Adams used darkroom exposure techniques to darken and lighten photographs. Other techniques include retouching using ink or paint, airbrushing, double exposure, piecing photos or negatives together in the darkroom, and scratching instant films. Software for digital image manipulation ranges from casual to professional skillsets.
The ability to create and fabricate realistic imagery digitally—as opposed to untouched photos—changes the audience's perception of "truth" in digital photography. [41] Digital manipulation enables pictures to adjust the perception of reality, both past and present, and thereby shape people's identities, beliefs, and opinions.
The digital negative is the collective name for methods used by photographers to create negatives on transparency film for the contact printing of alternative photographic techniques. The negatives can also be enlarged using traditional gelatin silver processes , though this is usually reserved for negatives of 4x5" or larger due to quality ...
Many image file formats use data compression to reduce file size and save storage space. Digital compression of images may take place in the camera, or can be done on the computer with the image editor. When images are stored in JPEG format, compression has already taken place.
Digital Negative (DNG) is an open, lossless raw image format developed by Adobe and used for digital photography. It was launched on September 27, 2004. [ 1 ] The launch was accompanied by the first version of the DNG specification, [ 2 ] plus various products, including a free-of-charge DNG converter utility.
This category contains categories and articles relating to the theory and methodology of composing and/or taking photographs, or to their manipulation during or after processing. It should not be confused with Category:Photographic processes , which comprises articles relating to the production of images using light-sensitive materials .
Photomontage of kiwifruit and lemons, digitally manipulated using GIMP. Photomontage is the process and the result of making a composite photograph by cutting, gluing, rearranging and overlapping two or more photographs into a new image. [1]
JPEG images can be similarly manipulated, though usually less precisely; software for this purpose may be provided with consumer-grade cameras. Digital photography allows the quick collection of a large quantity of archival documents, bringing convenience, lower cost, and increased flexibility in using the documents. [12]