Volume rendering is a technique used in computer graphics to visualize three-dimensional data. Unlike traditional rendering methods that display surfaces, volume rendering represents the entire volume of data, allowing for the visualization of complex structures within a dataset. This is particularly useful in fields like medical imaging, where it can help visualize organs or tissues from CT scans or MRI data. The process involves assigning colors and opacities to different data values, enabling the creation of images that reveal internal features. By manipulating these attributes, users can enhance specific areas of interest, making it easier to analyze and interpret the data. Volume rendering is widely used in scientific visualization, geophysics, and computer-aided design.