电子科枝女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC 8,1 Fundamentals ● The term data compression refers to the process of reducing the amount of data required to represent a given quantity of information ·Data≠Information Various amount of data can be used to represent the same information Data might contain elements that provide no relevant information data redundancy8.1 Fundamentals • The term data compression refers to the process of reducing the amount of data required to represent a given quantity of information • Data Information • Various amount of data can be used to represent the same information • Data might contain elements that provide no relevant information : data redundancy 