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Biometric authentication technology

With the popularization of informatization network, the protection of identity information security has become a social problem that everyone will face, and the bio-authentication technology provides a new type of …

Digital media forensics

Digital media forensics is a scientific methodology used to investigate and analyze digital media content (e.g., images, video and audio) in order to determine whether such content has been tampered …

Modern encryption algorithm

Symmetric encryption algorithm Symmetric encryption algorithms use the same key for encryption and decryption, and until 1976, cryptography studied symmetric encryption algorithms. The best known of the symmetric encryption algorithms …

Classical encryption algorithm

There are two main types of classical cryptographic algorithms, substitution and permutation. Substitution ciphers can be further categorized into single-table substitution ciphers and multi-table substitution ciphers. In addition, there are …

5G ultra HD transmission

Ultra HD refers to the International Telecommunication Union-approved resolution of “4K” (3840×2160), which also applies to 8K. 4K Ultra HD video is four times the resolution of HD video. Through …

Mobile communication network

Mobile communication refers to communication in which at least one of the two parties to the communication is in a moving (or temporarily stopped) state, including communication between a mobile …

Satellite network

Satellite Broadcasting Transmission Principles The satellite broadcasting and television system consists of four main components: uplink transmitter stations, on-board transponders, measurement and control stations, and earth receiving stations. Uplink transmitting …

Cable TV network

cable network transmission Community Antenna Television (CATV) network is a television network system that uses cables, fiber optic cables, or microwaves for transmission, distributes signals among subscribers, and provides subscribers …

Edge computing and edge caching

Edge computing refers to computing close to the source of things, data and actions. In more general terms i.e. Neighborhood Computing or Proximity Computing. If cloud computing is centralized big …

Data center

Data center infrastructure Data center infrastructure includes hardware components and software components. Hardware components include computers, storage systems, network equipment and backup power supplies. Software components include applications, operating systems …

Cloud computing and storage

Introduction to Cloud Computing Cloud computing refers to the provision of dynamically scalable and inexpensive computing services on demand over a network. It is a service related to information technology, …

Evolution of storage architecture

Media storage is based on different application environments by taking a reasonable, safe and effective way to save media data to certain media and can ensure effective access, in general, …

The main technology and case of information visualization

Visualized data are divided into one-dimensional data, two-dimensional data, three-dimensional data, multidimensional data, temporal data, hierarchical data and network data, of which the visualization of the latter four types of …

The development of information visualization

Information visualization in a broad sense has a long history, and the earliest practice of information visualization can be traced back to the Paleolithic era, when people recorded astrological movements, …

Big data and visualization

The development of computer technology and information technology is getting faster and faster, and with the arrival of the era of big data, the amount of data and information we …