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Allan Paivio's dual-coding theory is a basis of picture superiority effect. Paivio claims that pictures have advantages over words with regards to coding and retrieval of stored memory because pictures are coded more easily and can be retrieved from symbolic mode, while the dual coding process using words is more difficult for both coding and retrieval.
Color accuracy is an important but ambiguous image quality factor. Many viewers prefer enhanced color saturation; the most accurate color isn't necessarily the most pleasing. Nevertheless, it is important to measure a camera's color response: its color shifts, saturation, and the effectiveness of its white balance algorithms.
These images may be referred to as the most important, most iconic, or most influential—and are considered key images in the history of photography. 19th century [ edit ]
An important development in digital image compression technology was the discrete cosine transform (DCT). [16] DCT compression is used in JPEG, which was introduced by the Joint Photographic Experts Group in 1992. [17] JPEG compresses images down to much smaller file sizes, and has become the most widely used image file format on the Internet. [18]
Image analysis or imagery analysis is the extraction of meaningful information from images; mainly from digital images by means of digital image processing techniques. [1] Image analysis tasks can be as simple as reading bar coded tags or as sophisticated as identifying a person from their face .
For instance, in February, Alphabet's Imagen 2 image generator, powered by Alphabet's Gemini large language model (LLM), came under criticism after users produced people of color in German ...
An important difference between digital and chemical photography is that chemical photography resists photo manipulation because it involves film and photographic paper, while digital imaging is a highly manipulative medium. This difference allows for a degree of image post-processing that is comparatively difficult in film-based photography ...
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