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Oracle® Multimedia User's Guide
11g Release 2 (11.2)

Part Number E10777-03
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Glossary

audio data

Media data produced by an audio recorder, an audio source, or by program algorithms. Audio recording devices take analog or continuous signals and convert them into digital values with specific audio characteristics.

codecs

Digital compression and decompression schemes.

content metadata

Data that describes the content of image media, such as the name of the photographer, and the date and time when a photograph was taken.

DICOM content

Standalone DICOM Information Objects that are encoded according to the data structure and encoding definitions of PS 3.10-2007 of the DICOM standard (commonly referred to as DICOM Part 10 files). For more information about DICOM Information Objects, see the DICOM standard, which is available worldwide from the NEMA Web site at

http://medical.nema.org/

DICOM data

See DICOM content.

embedded metadata

Metadata that is stored with image data in the image file format.

heterogeneous media data

Assorted media data, such as audio data, image data, video data, and other types of media data. The data can have a variety of formats, depending upon the application that generated it.

image data

Media data produced by a document or photograph scanner, a video source, other specialized image capture devices, or by program algorithms. Image capture devices take analog or continuous signals and convert them into digital values on a two-dimensional grid of data points known as pixels. Devices involved in the capture and display of images are under application control.

image interchange format

A well-defined organization and use of image attributes, data, and often compression schemes that enables different applications to create, exchange, and use images. Interchange formats are often stored as disk files.

image metadata format

Standard protocols and techniques used to store image metadata within an image file. Formats include: EXIF, IPTC-IIM, and XMP.

Java servlets

Java classes that dynamically process HTTP requests and construct HTTP responses.

JavaServer Pages (JSP)

See JSP.

JSP

JavaServer Pages, Java text-based documents that execute as Java servlets, but which permit a more natural approach to creating static content than using servlets.

lossless compression schemes

Compression schemes that squeeze an image so that when it is decompressed, the resulting image is bit-for-bit identical with the original.

lossy compression schemes

Compression schemes that do not result in an identical image when decompressed, but rather, one in which the changes may be imperceptible to the human eye. Lossy schemes generally provide higher compression than lossless compression schemes.

media data

Data from audio, image, DICOM format medical images and other objects, video, or other heterogeneous media.

metadata

Information about media data, such as object length, compression type, or format.

methods

Procedures that can be performed on objects, such as getContent( ) or setProperties( ).

Oracle interMedia

In Oracle Database 11g Release 1 (11.1), the name Oracle interMedia was changed to Oracle Multimedia.

ORDAudio

Object relational type for audio data characteristics.

ORDDicom

Object relational type for characteristics of DICOM content produced by medical devices. See Oracle Multimedia DICOM Developer's Guide for more information about this object type.

ORDDoc

Object relational type for heterogeneous data characteristics.

ORDImage

Object relational type for image data characteristics.

ORDSource

Object relational type that stores data source information for audio, heterogeneous, image, and video data characteristics.

ORDVideo

Object relational type for video data characteristics.

portlets

Summarized versions of applications and Web content situated in defined regions of a Web page that are accessible through enterprise portals.

protocols

Image interchange formats exchanged in a sequential fashion over a network.

technical metadata

Data that describes image media in a technical sense, such as the height and width of an image, in pixels, or the type of compression used to store the image.

video data

Media data produced by a video recorder, a video camera, digitized animation video, other specialized video recording devices, or by program algorithms. Some video recording devices take analog or continuous signals and convert them into digital values with specific video characteristics.