Digital Library
With the rapid development of computer technology, communication technology and network technology, the construction and utilization of information highways provide the environment and conditions for the development of large-scale information systems and library systems. At present, the network information management technology, digital processing technology, and digital information resources construction have become the focus of international competition. All countries have invested considerable strength in research and development. The new concept and new model of “Digital Library†came into being and was regarded as one of the major development directions of the information industry in the 21st century. A digital library is a library that stores and processes information in digital form. It is an information service system that integrates computer technology, communication technology, and microelectronic technology. It collects, organizes, and processes multimedia information such as valuable images, texts, audio, video, software, and scientific data. It is no longer a traditional library using paper media or other non-digital media as a storage medium. It uses modern and advanced digital technology to digitalize library collections, and provides users with access to information anywhere and anytime through international Internet access services. This enables users in different geographical locations to conveniently use a large number of documents stored in different locations. information. As long as there is a place where the network exists, you can search for information and obtain information anytime, anywhere. In layman's terms, digital libraries are libraries on the Internet and are libraries without walls.
Comparison between traditional library and digital library
The traditional library collects, stores, and reorganizes information so that readers can easily find out what information they want and at the same time track reader usage to protect the rights of information providers. From a digital library point of view, it is to collect or create digital collections. This integrates various digital technologies, such as high-resolution digital scanning and color correction, optical character recognition, information compression, and conversion, and replaces various documents with computers. The binary series of images that can be identified, under the full authority management of security protection, access permissions and billing services, the authorized information uses the Internet publishing technology to achieve global information sharing. The structural model of the digital library is: In the network environment, it is an object-oriented, distributed network structure model, which can be adapted to operate in many different computer systems. The composition of a digital library mainly consists of user interfaces, preprocessing systems, and basic components such as scheduling systems, query systems, and object libraries.
The e-library focuses on the collection features. The collections are basically electronic books. The reading methods are usually through computers, and do not necessarily provide online information or online services. The online library organizes a certain amount of information on the Internet for viewing and retrieval by “readersâ€. It does not necessarily need the corresponding library social entities. It can also be regarded as the primary form of digital libraries. "Virtual Library" is another name for online libraries, focusing on its non-entity features.
After the concept of "digital library" was proposed, it received extensive attention from the world and organized forces to carry out discussions, research and development, and conducted experiments on various models. With the development of the digital earth concept, technology, and application fields, digital libraries have become members of the Digital Earth family, provide necessary information resources for the information superhighway, and are the main carrier of information resources in the knowledge economy society. The United States Library of Congress is one of the earliest libraries in the United States to try digital libraries. Its "American Memory" has far-reaching implications. The “Memory of the United States†was originally a pilot program that was implemented between 1990 and 1995. The goal of the program was to identify readers of digital collections, establish a set of technical processes for digital libraries, discuss topics related to intellectual assets, and conduct Distribute the presentation and finalize the guidelines and specifications for the Digital Library of Congress. The project's digital collection objects are mainly American historical documents, including historical photographs, manuscripts, historical archives, and other documents. The Shanghai Library is a pioneer in the construction of digital libraries in China. At present, it has accumulated a considerable amount of digital resources. The bibliographic data is stepping up production. The national newspapers and periodicals index is also a unique source of information in the country. A large number of abstracts and full-text disc databases are also ordered, some of which are also online. It should be said that the Shanghai Library is currently no other country in terms of ownership of digital resources.
Number of match ZETA journal scanners
The book scanner can scan all paper books into electronic files. Readers can use e-books instead of traditional books. The library can also build databases based on the book electronic files scanned by the book scanners and build virtual libraries. A more convenient way to achieve resource sharing.
The new race number OS15000 multi-function scanner can digitize historical books, modern books, archives, manuscripts, magazines, scientific reports, contracts or other cultural heritage. The number of games OS15000 book scanner is a powerful digital processing tool, easy to use, high performance, fine scanning, cost-effective, for the pursuit of high-quality video customers, is undoubtedly the best choice.
With an overhead scan and pages facing up, you can easily scan by simply flipping pages. The letter distortion caused by spine creases or broken originals can be automatically corrected by the software, even if the tilted originals can be corrected.
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