Documentation for MDS/MediaQuality

Technique MediaQuality D
Document N3966 MPEG-7 MDS FCD
Name Jiuhuai Lu, Tektronix
Email jiuhuai.lu@ieee.org
Contact jiuhuai.lu@ieee.org
Type Application
External Libraries None
Related Ds/DSs None
Used Ds/DSs None
Input Two videos in ppm format (an impaired and a reference video), a parameter file.
Extraction YES, (PSNR)
Client Appl Use MediaMetaClient for general media search based on quality rating values
Summary The media quality descriptor represents quality information of visual and audio content. The quality information can be subjective or objective. The information can serve as quality of service representation. This implementation provides quality information of a visual content using PSNR. Computation of PSNR is based on two video inputs. One of them contains artifacts and noise and the other serves as a reference.
Strong Points Representation of media quality in production and delivery of media content.
Limitations None
Known Problems None
Parameters 1. selected channels (Y,U,V) to measure PSNR
2. types of perceived errors
3. information on rating methods
4. source
5. other information (see the mediaquality_generic.par)