ABSTRACT

Visualization is an extensive and diverse area of research which is a combination of various distinct but overlapping areas. The term visualization came into history late but idea of expressing something using graphical means is prevalent from many past centuries. Due to the invention of computer graphics and animation, the interactivity has been added in visualization in modern digital era. The visualization nowadays is not only limited to generating visual scenes but the analysts are emphasizing to analyze their data using automated analysis combined with interactive visualization for effectively analysing, perceiving, interpreting and decision making. This paper presents the survey of work done by various prominent authors in the field of visualization. The objectives, advantages, disadvantages of visualization are also covered. The researchers are facing various difficulties in data/information visualization. The degree of challenges in visualization depends upon various factors such as size, complexity, quality, diversity and utility of data/information. The challenges faced by authors in different fields of visualization are also detailed.