Study on Expression of Digital Communication Photography
Hongjiang Liu

Abstract
The emergence of photography brings great change to the world. The photography breaks the monopoly of character communication. With its development, human life enters an “picture-reading age". Photography gradually becomes a highly opening system and penetrates into other disciplines. It is an art form based on science and technology. With the upcoming of digital age, digital media and interaction art have great impact on status of traditional photography in communication and on its presentation. Especially over these years, internet develops rapidly, making the image art disseminate more quickly, and affording digital photography an expansion space without bounds. On the condition of today's internet technology, with the integration between traditional photography and features of digital age such as instantaneous interaction, multimedia interaction, digital media and colour’s expressive force in cyberspace, it is born a new sort of digital image presentation relied on Internet . The expressive force and dissemination of photographic art is entering a new space. In the new digital art age, Traditional photography can find a new start point and get a better balance between traditional usage of light, aesthetics, and composition, and latest digital print media, post-photographic design, and interactive multi-media.

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