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Here there is a conversion from computer graphical modes to TV standard formats. Other graphic cards lack an SDTV output, but their VGA outputs can still be connected to an SDTV through an external scan converter (pictured). Scan conversion serves as a bridge between TV and computer graphics technology.
In those cases, object order algorithms are usually most efficient (e.g. scan conversion or shear warp). But when the scene complexity exceeds that of the image, such as is the case often in volume rendering, then image order algorithms (e.g., ray casting) may be more efficient.
Raster graphic image. In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, which, when displayed together, create the image which was represented via shapes).
This is sometimes used today as a visual effect in computer graphics. [3] The term is used, by analogy, for a single row of pixels in a raster graphics image. [4] Scan lines are important in representations of image data, because many image file formats have special rules for data at the end of a scan
Real-time computer graphics – Sub-field of computer graphics; Reyes – Computer software architecture in 3D computer graphics; Scanline rendering/Scanline algorithm – 3D computer graphics image rendering method; Software rendering – Generating images by computer software; Sprite (computer graphics) – 2D bitmap displayed over a larger scene
Scan-line algorithm example. Scanline rendering (also scan line rendering and scan-line rendering) is an algorithm for visible surface determination, in 3D computer graphics, that works on a row-by-row basis rather than a polygon-by-polygon or pixel-by-pixel basis.
Raster-scan display sample; visible gaps between the horizontal scan lines divide each character. A raster scan, or raster scanning, is the rectangular pattern of image capture and reconstruction in television. By analogy, the term is used for raster graphics, the pattern of image storage and transmission used in most computer bitmap image systems.
Film-out of standard-definition video – or any source that has an incompatible frame rate – is the up-conversion of video media to film for theatrical viewing. The video-to-film conversion process consists of two major steps: first, the conversion of video into digital film frames which are then stored on a computer or on HD videotape; and secondly, the printing of these digital film ...