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  2. Image editing - Wikipedia

    en.wikipedia.org/wiki/Image_editing

    Image editing encompasses the processes of altering images, whether they are digital photographs, traditional photo-chemical photographs, or illustrations. Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs or editing illustrations with any traditional art medium.

  3. Digital photography - Wikipedia

    en.wikipedia.org/wiki/Digital_photography

    Digital photography spans a wide range of applications with a long history. Much of the technology originated in the space industry, where it pertains to highly customized, embedded systems combined with sophisticated remote telemetry. Any electronic image sensor can be digitized; this was achieved in 1951.

  4. Aperture - Wikipedia

    en.wikipedia.org/wiki/Aperture

    Aperture. In biology, the pupil (appearing as a black hole) of the eye is its aperture and the iris is its diaphragm. In humans, the pupil can constrict to as small as 2 mm (f/ 8.3) and dilate to larger than 8 mm (f/ 2.1) in some individuals. In optics, the aperture of an optical system (including a system consisted of a single lens) is a hole ...

  5. Digital art - Wikipedia

    en.wikipedia.org/wiki/Digital_art

    Digital art can be purely computer-generated (such as fractals and algorithmic art) or taken from other sources, such as a scanned photograph or an image drawn using vector graphics software using a mouse or graphics tablet. Artworks are considered digital paintings when created similarly to non-digital paintings but using software on a ...

  6. Picture frame - Wikipedia

    en.wikipedia.org/wiki/Picture_frame

    A photo cube is a special type of picture frame, often used to show members of a family, a vacation, or a timeline of someone's life. Other styles are clip frames (not really a frame at all), box frames and shadow boxes. A digital photo frame is an example of the changing technology of the 21st century.

  7. Distortion (optics) - Wikipedia

    en.wikipedia.org/wiki/Distortion_(optics)

    Simulated animation of globe effect (right) compared with a simple pan (left) In photography, distortion is particularly associated with zoom lenses, particularly large-range zooms, but may also be found in prime lenses, and depends on focal distance – for example, the Canon EF 50mm f / 1.4 exhibits barrel distortion at extremely short focal distances.

  8. Composition (visual arts) - Wikipedia

    en.wikipedia.org/wiki/Composition_(visual_arts)

    Composition (visual arts) The term composition means "putting together". It can be thought of as the organization of the elements of art according to the principles of art. Composition can apply to any work of art, from music through writing and into photography, that is arranged using conscious thought. In the visual arts, composition is often ...

  9. Perspective distortion - Wikipedia

    en.wikipedia.org/wiki/Perspective_distortion

    In photography and cinematography, perspective distortion is a warping or transformation of an object and its surrounding area that differs significantly from what the object would look like with a normal focal length, due to the relative scale of nearby and distant features. Perspective distortion is determined by the relative distances at ...

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