| 书目名称 | Digital Pictures | | 副标题 | Representation and C | | 编辑 | Arun N. Netravali,Barry G. Haskell | | 视频video | | | 丛书名称 | Applications of Communications Theory | | 图书封面 |  | | 描述 | For thousands of years mankind has been creating pictures which attempt to portray real or imagined scenes as perceived by human vision. Cave drawings, paintings and photographs are able to stimulate the visual system and conjure up thoughts of faraway places, imagined situations or pleasant sensations. The art of motion picture creation has advanced to the point where viewers often undergo intense emotional experiences. On-the spot news coverage gives the impression of actually witnessing events as they unfold. Relatively recently, other forms of visual information have been invented which do not, in themselves, stimulate the eye. For example, vol tage variations in an electrical signal, as in television, can represent in analogous fashion the brightness variations in a picture. In this form the visual information can be stored on magnetic tape or transmitted over long distances, and, at least for engineering purposes, it is often much more use ful than other forms which do stimulate human vision. With the evolution of digital techniques for information processing, storage, and transmission, the need arises for digital representation of visual information, that is, the represen | | 出版日期 | Book 1988 | | 关键词 | analog; circuit; computer; information processing; signal; television; transmission | | 版次 | 1 | | doi | https://doi.org/10.1007/978-1-4684-1294-9 | | isbn_softcover | 978-1-4684-1296-3 | | isbn_ebook | 978-1-4684-1294-9 | | copyright | The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Science+Busines |
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发表于 2025-3-21 18:29:23
