Sökning: "Quality Enhancement"
Visar resultat 1 - 5 av 128 avhandlingar innehållade orden Quality Enhancement.
1. On Enhancement and Quality Assessment of Audio and Video in Communication Systems
Sammanfattning : The use of audio and video communication has increased exponentially over the last decade and has gone from speech over GSM to HD resolution video conference between continents on mobile devices. As the use becomes more widespread the interest in delivering high quality media increases even on devices with limited resources. LÄS MER
2. Methods for Objective and Subjective Video Quality Assessment and for Speech Enhancement
Sammanfattning : The overwhelming trend of the usage of multimedia services has raised the consumers' awareness about quality. Both service providers and consumers are interested in the delivered level of perceptual quality. The perceptual quality of an original video signal can get degraded due to compression and due to its transmission over a lossy network. LÄS MER
3. Quality in e-learning within a cultural context : The case of Iran
Sammanfattning : Higher education institutions in general and virtual institutions in particular are experiencing pressure to become more competitive all over the world. Such striving for excellence can be associated with and seen as a consequence of globalization that is propelling the reshaping of higher education. LÄS MER
4. On the Enhancement of Audio and Video in Mobile Equipment
Sammanfattning : Use of mobile equipment has increased exponentially over the last decade. As use becomes more widespread so too does the demand for new functionalities. The limited memory and computational power of many mobile devices has proven to be a challenge resulting in many innovative solutions and a number of new standards. LÄS MER
5. Improving fingerprint biometrics by local symmetry and fusion
Sammanfattning : Fingerprint recognition and biometrics in general have been significantly gaining attention within the last years, not least due to the biometric passport that has been introduced all over Europe and the American immigration management system US-VISIT. The tasks of fingerprint recognition can be broken down to smaller entities, i.e. LÄS MER