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A computer screen showing a background wallpaper photo of the Palace of Versailles A wallpaper from fractal. A wallpaper or background (also known as a desktop background, desktop picture or desktop image on computers) is a digital image (photo, drawing etc.) used as a decorative background of a graphical user interface on the screen of a computer, smartphone or other electronic device.
Image credits: undiscoveredh1story Nowadays, we consume tons of visual media. Videos, photos, cinema, and TV can help us learn new things every day. However, they can just as easily misinform us.
Foreground-background segmentation, a method for studying change blindness using photographs with distinct foreground and background scenery; Foreground detection, a concept in computer vision to detect changes in image sequences; Foreground and background in photography and cinematography, a principle important for Depth of field, the distance ...
One difference between photography and other forms of graphics is that a photographer, in principle, just records a single moment in reality, with seemingly no interpretation. However, a photographer can choose the field of view and angle, and may also use other techniques, such as various lenses to choose the view or filters to change the colors.
Background subtraction is a widely used approach for detecting moving objects in videos from static cameras. The rationale in the approach is that of detecting the moving objects from the difference between the current frame and a reference frame, often called "background image", or "background model".
The system simultaneously captures two frames that differ by about half the dynamic range at background pixels but are identical at foreground pixels. Using the differences between the backgrounds of the two images, McGuire et al. are able to extract a high-resolution foreground matte from the scene.
Visual culture is the aspect of culture expressed in visual images.Many academic fields study this subject, including cultural studies, art history, critical theory, philosophy, media studies, Deaf Studies, [1] and anthropology.
In art, appropriation is the use of pre-existing objects or images with little or no transformation applied to them. [1] The use of appropriation has played a significant role in the history of the arts (literary, visual, musical and performing arts).