With the rapid development of computer technology, communication technology and network technology, the construction and utilization of information highway provides environment and conditions for the development of large-scale information systems and library systems. At present, network information management technology, digital processing technology and digital information resource construction have become the focus of international competition, and all countries have invested considerable strength in research and development.
Traditional libraries collect, store, and reorganize information so that readers can easily find the information they want and track the reader's usage to protect the rights of the information provider. From a digital library perspective, it is the collection or creation of digital collections that integrate various digital technologies such as high-resolution digital scanning and color correction, optical character recognition, information compression, transformation, etc., replacing various documents with computers. The identifiable binary series of images, under the perfect rights 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 mode, which can adapt to run on many different computer systems. The composition of a digital library mainly includes user interfaces, preprocessing systems, and also called basic components such as scheduling systems, query systems, and object libraries.
The electronic library advocated now focuses on the generalization of the collection features. The collections are basically electronic reading materials. The reading methods are generally through computers, etc., and do not necessarily provide online information or Internet services. The online library organizes a certain amount of information online for readers to access and retrieve. It does not necessarily need a corresponding library social entity. It can also be regarded as the primary form of digital library. “Virtual Library†is another name for online libraries, focusing on its non-physical characteristics.
With the development of digital earth concept, technology and application fields, digital library has become a member of the digital earth family, providing the necessary information resources for the information highway, and is the main information resource carrier in the knowledge economy society. The number of games OS1500 combines beauty and superior performance. Archives, libraries, museums and universities in order to expand the use of collection resources, improve service levels, and digitally share collection resources online, making it easier for readers and users to quickly and easily Find information. The scanning manuscript has a maximum scanning format of 460 x 360 mm (super A3) and a resolution of up to 600 dpi. The 42-bit color scan allows you to scan large-format books without any problems. The data can be output in a variety of standard image formats. Text Bend Deformation Auto-correction features an overhead scan and a book page up, so you can easily scan by simply turning the page. The letter crease caused by the spine crease or the original damage can be automatically corrected by the software, even if the tilted original is placed.
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