MultiMedia dbms

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MultiMedia dbms

  1. 1.  It is not the conventional alphanumerical data. It is a collection of  Text,  Image,  Audio or  Video.
  2. 2. The information provided by multimedia data explainsmore than what a conventional data explains.
  3. 3. A multimedia database management system is aframework that manages multimedia data. It can also dooperations with those multimedia data.
  4. 4.  The Multimedia data can be stored in 3 parts.  They are  Raw Data  Registering Data  Descriptive Data
  5. 5.  Descriptive Data  Information about content and structure Registering Data  Data necessary for interpretation and identification i.e. Format Raw Data  Unformatted Information Content i.e. pixels
  6. 6.  In MMDBMS there are different data types.  They are:-  Text  Image  Audio  Video
  7. 7.  Character represents RAW data Registering data describe the Coding Descriptive data include data about layout, structuring.
  8. 8.  Pixels represent RAW data. Registering data include length and height of image. Descriptive data are individual line, subject and surfaces.
  9. 9.  Raw data contains the digital samples of audio. Registering data contains the properties of audio coding. Descriptive data contains the content of audio.
  10. 10.  Pixel matrices represent the raw data. Registering data provides the number of images per second. Descriptive data provides scene description.
  11. 11.  The operations are  Input  Output  Modification  Deletion  Comparison  Evaluation
  12. 12.  Input  Data will be written to the database.  RAW and Registering data is mandatory.  Descriptive data is optional. Output  Reads the data from database as per the registering data.
  13. 13.  Modification  Changing of RAW, Registering and descriptive data. Deleting  Removes the entry from database.
  14. 14.  Comparison  Search and Retrieval of stored data.  Pattern Matching Technique is used. Evaluation  Generation of descriptive data from Raw and Registering data.
  15. 15.  Design of multimedia database is based on two different DBMS.  They are:-  ERDBMS  OODBMS
  16. 16.  OODBMS  Different medias are represented by classes, whose instance variable include the data as internal state. ERDBMS  Embedding new functions and types into RDBMS.
  17. 17.  Libraries Educational Institutions Reverse Image searching Web albums
  18. 18. • optimized storage• efficient access• complex search is also possible• transaction protected multiuser mode• recovery

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