For example, a set of beautiful pictures of data images, text, patterns, and format data will be processed and displayed at the image processing terminal after being entered into the system. At the same time, they will also be imposed and displayed at the imposition terminal, and may eventually be output as color proofs. It may also be exported into film, plates, or even prints. It may also be used to make electronic publications, such as CD-ROMs. It may also be used to perform other video displays. It may also be compressed and transmitted to remote locations. It may also be used for setting and controlling subsequent operations. This is the basic concept of the One Source Multiuse, which is often referred to as "single data source, multi-channel use".
At present, many digital prepress systems (such as the systems released by Heidelber, Scitex, etc.) all adopt the concept of ROOM (RIPonce Output many times). That is, the digital pages saved in the system only need to undergo RIP expansion once and all outputs ( For example, films, plates, proofs, prints, etc. all use the same set of data. SCReen's NOOM (Normalize once Output many times) belongs to the same concept.
Since each link has its own attributes and characteristics, the data needed to obtain the same effect is obviously not the same. For example, in order to increase the processing speed, the resolution and video display obviously do not need high resolution data. Therefore, low resolution data for these applications must be generated from high resolution data; likewise, for digital proofing and printing The same effect can be obtained in both the version production and the digital printing of various output methods. Obviously, it is necessary to make adjustments to this set of data in response to different output modes because different output modes may use different imaging principles and use different methods. The color rendering materials and carriers have different color rendering properties. Then, in order to ensure the accurate production of these data, trouble-free flow and reuse, the determination and management of equipment attributes at various stages, the design and management of digital workflows, the management of data storage and invocation, the standardization of data communication formats, and management, etc. It becomes the key to system operation.
If we generalize the concept of "single data source, multi-purpose use", we will derive the basic connotation of cross-media technology that is gradually being formed today. Crossmedia began to become a fashionable term, usually in the form of crossmedia publishing Crossmedia Publishing and Media Database Media Database. The basic concept of cross-media technology is to convert all digital visual information resources (eg, images, text, graphics, and other video information, even to audio information) into a kind of data that is not related to specific media and stored in the network system. A large media-neu-tral databank was formed in the media.
All the information and data in the database can be accessed, queried and even reprocessed through the Internet to create different media products such as prints, films, plates, proofs, CD-ROMs, electronic publications, and various displays. Images, web homepages, online publications, etc., or transmitted to any desired place (equivalent to distribution) via the Internet. Obviously, the foundation of cross-media technology is digital technology and network technology. The establishment of a database independent of the media is a prerequisite to ensure that the same output is achieved on various media. At the same time, the attributes of the production equipment of the final media product must also be integrated into the system level. This is very much like the current ICC-based color management system. Digital images stored inside the system are described in terms of device-independent color space. CIE's xyz or Lab can be converted into visual effects by outputting device color attribute files. The same different media products (such as prints, color proofs, etc.).
Not all companies already have this completely digital production environment. Even in developed industrial countries such as the United States, Japan, and other countries, most companies are still in a transitional state where digital and simulation processes coexist or mix. In this state, relying solely on the introduction of plate imagesetters or digital printers is obviously not yet able to build true CTP production. This is also a direction in which equipment and equipment manufacturers and printing companies continue to work hard, and has made significant progress. Basically, all major manufacturers have introduced digital workflows and have attached great importance to integrated production management technologies in the context of digitization and networking. (To be continued)
At present, many digital prepress systems (such as the systems released by Heidelber, Scitex, etc.) all adopt the concept of ROOM (RIPonce Output many times). That is, the digital pages saved in the system only need to undergo RIP expansion once and all outputs ( For example, films, plates, proofs, prints, etc. all use the same set of data. SCReen's NOOM (Normalize once Output many times) belongs to the same concept.
Since each link has its own attributes and characteristics, the data needed to obtain the same effect is obviously not the same. For example, in order to increase the processing speed, the resolution and video display obviously do not need high resolution data. Therefore, low resolution data for these applications must be generated from high resolution data; likewise, for digital proofing and printing The same effect can be obtained in both the version production and the digital printing of various output methods. Obviously, it is necessary to make adjustments to this set of data in response to different output modes because different output modes may use different imaging principles and use different methods. The color rendering materials and carriers have different color rendering properties. Then, in order to ensure the accurate production of these data, trouble-free flow and reuse, the determination and management of equipment attributes at various stages, the design and management of digital workflows, the management of data storage and invocation, the standardization of data communication formats, and management, etc. It becomes the key to system operation.
If we generalize the concept of "single data source, multi-purpose use", we will derive the basic connotation of cross-media technology that is gradually being formed today. Crossmedia began to become a fashionable term, usually in the form of crossmedia publishing Crossmedia Publishing and Media Database Media Database. The basic concept of cross-media technology is to convert all digital visual information resources (eg, images, text, graphics, and other video information, even to audio information) into a kind of data that is not related to specific media and stored in the network system. A large media-neu-tral databank was formed in the media.
All the information and data in the database can be accessed, queried and even reprocessed through the Internet to create different media products such as prints, films, plates, proofs, CD-ROMs, electronic publications, and various displays. Images, web homepages, online publications, etc., or transmitted to any desired place (equivalent to distribution) via the Internet. Obviously, the foundation of cross-media technology is digital technology and network technology. The establishment of a database independent of the media is a prerequisite to ensure that the same output is achieved on various media. At the same time, the attributes of the production equipment of the final media product must also be integrated into the system level. This is very much like the current ICC-based color management system. Digital images stored inside the system are described in terms of device-independent color space. CIE's xyz or Lab can be converted into visual effects by outputting device color attribute files. The same different media products (such as prints, color proofs, etc.).
Not all companies already have this completely digital production environment. Even in developed industrial countries such as the United States, Japan, and other countries, most companies are still in a transitional state where digital and simulation processes coexist or mix. In this state, relying solely on the introduction of plate imagesetters or digital printers is obviously not yet able to build true CTP production. This is also a direction in which equipment and equipment manufacturers and printing companies continue to work hard, and has made significant progress. Basically, all major manufacturers have introduced digital workflows and have attached great importance to integrated production management technologies in the context of digitization and networking. (To be continued)
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