Security is about the protection of assets, computer security deal with the protection of IT assets.

SIFT stands for Scale Invariant Feature Transform. It is an algorithm proposed in 2004 to transform image data into scale-invariant coordinates relative to local features. It is widely used in pose estimation, 3D reconstruction, object recognition and image retrieval

Introduce the contributors for this series of notes

Summarise the abbreviations used in this course.

MySQL is a database management system and it has been one of the most popular open source SQL database management system. The system is developed, distributed, and supported by Oracle Corporation. MySQL databases are relational. A relational database stores data in separate tables rather than putting all the data in one big storeroom.