Is it possible to keep digital information available in perpetuity? In the matter of preserving digital materials, the immediate concern would be that of technical obsolescence. The paper age had to contend with deterioration of paper while the digital age has technical obsolescence to overcome. Tapes, hard drives and floppy discs have very short life [...]

Digital libraries can only be viable when a comprehensive digital collection is built. One of the primary methods of doing it is through digitization. Digitization is converting any fixed or analogue media such as books, journal articles, photos, paintings and microforms into electronic form either through scanning, sampling or re-keying. There are several approaches in [...]

TIFF is a lossless image format wherein no pixels are modified in the image. It stands for Tag Image File Format and supports IPTC/XMP data with certain software. Generally, it produces very large image sizes in terms of computer file size. However, it has the option of being compressed with a technique known as LZW [...]

When JPEG is referred to as a lossy format, it just means to say that the image data is lost when the image is compressed. JPEG stands for Joint Photographic Experts Group and is sometimes also referred to as JPG or JPE. It is a standard developed to handle color digital images and works best [...]