Computer Graphics Notes
Module I
Basic concepts in Computer Graphics – Types of Graphic Devices – Interactive Graphic inputs – Raster Scan and Random
Scan Displays.
CS 401 Computer Graphics Module I pdf
Module II
Line Drawing Algorithm- DDA, Bresenham’s algorithm – Circle Generation Algorithms –Mid point circle algorithm, Bresenham’s
algorithm- Scan Conversion-frame buffers – solid area scan conversion – polygon filling algorithms
Module III
Two dimensional transformations. Homogeneous coordinate systems – matrix formulation and concatenation of
transformations. Windowing concepts –Window to Viewport Transformation- Two dimensional clipping-Line clipping – Cohen Sutherland, Midpoint Subdivision algorithm
Module IV
Polygon clipping-Sutherland Hodgeman algorithm, Weiler-Atherton algorithm, Three dimensional object representation-
Polygon surfaces, Quadric surfaces – Basic 3D transformations
Module V
Projections – Parallel and perspective projections – vanishing points. Visible surface detection methods– Back face removal- Z-Buffer algorithm, A-buffer algorithm, Depth-sorting method, Scan line algorithm.
Module VI
Image processing – Introduction – Fundamental steps in image processing – digital image representations – relationship between pixels – gray level histogram –spatial convolution and correlation – edge detection – Robert, Prewitt, Sobel.
Sunu Thomas 