Computer Graphics

Define Transformation and Projection The transformation of points from a coordinate system in n dimensions to a coordinate system in m dimensions where m<n. There are fundamental differences between the …

Rasterization (Scan Conversion) The process of representing continuous graphics object as a collection of discrete pixels by identifying their locations and setting them on is called Scan Conversion. The process …

2D graphics pipeline block diagram

Aperture Grille and Shadow Mask An aperture grille is a set of vertical wires stressed vertically down inside of the CRT used to mask beams from the electron guns at …

Raster Scan display on Cathode Ray Tube (CRT) In a raster scan, the electron beam is swept across the screen, one row at a time from top to bottom. It …

Frame Buffer – Image Flickr – Refresh Rates Frame Buffer or refresh buffer is the memory area where picture definition is stored for further operations. Refresh rate is the number …

Phosphorescence Phosphor dots acquire some kinetic energy from the electrons, this cause an electron to jump to higher energy state in the phosphor atoms. After a short time the excited …

Image resolution The display from one pixel to next pixel is called the image resolution. Unit: PPI (Pixel Per Inch). Screen Resolution The dot pitch is the distance between adjacent …

Pixel Pixel is the smallest single component of a digital image. Dots Internal surface of the monitor screen is coated with red, green and blue phosphor materials, that glows when …

Define Morphing – Visualization and Gesture Morphing Morphing is a graphics method in which one object is transformed into another. Visualization Visualization is the process of representing data graphically. Two …