Search for dissertations about: "Video Quality Assessment"

Showing result 1 - 5 of 33 swedish dissertations containing the words Video Quality Assessment.

  2. 1. On Enhancement and Quality Assessment of Audio and Video in Communication Systems

    Author : Andreas Rossholm; Blekinge Tekniska Högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; QoE; video quality assessment; video quality metric; multi-linear regression; artificial neural network; support vector machine; quality predictor; machine learning; temporal scaling; spatial scaling; video compression; deblocking filter; noise cancelling; synchronization; audio delay; video delay; GSM interference signal; noise cancellation; notch filtering;

    Abstract : 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. READ MORE

  4. 2. Methods for Objective and Subjective Video Quality Assessment and for Speech Enhancement

    Author : Muhammad Shahid; Blekinge Tekniska Högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Video Quality Assessment; No-Reference Methods; Reduced-Reference Methods; Subjective Experiments; Speech Enhancement; Adaptive Gain Equalizer;

    Abstract : 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. READ MORE

  5. 3. Towards Optimal Quality of Experience via Scalable Video Coding

    Author : Pengpeng Ni; Damir Isovic; Mats Björkman; Mälardalens högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Quality-of-Experience; advanced video coding; MPEG-4; H264 AVC; Computer science; Datavetenskap; Computer Science; datavetenskap;

    Abstract : To provide universal multimedia experience, multimedia streaming services need to transparently handle the variation and heterogeneity in operating environment. From the standpoint of streaming application, video adaptation techniques are intended to cope with the environmental variations by utilizing manipulations of the video content itself. READ MORE

  6. 4. Communication and Shared Understanding of Assessment : A phenomenological study of assessment in Swedish upper secondary dance education

    Author : Ninnie Andersson; Astrid Pettersson; Luleå tekniska universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Pedagogik; Education;

    Abstract : The aim of this study is to describe and explore the phenomenon of assessment in dance education within the Swedish upper secondary schools’ dance orientation. The phenomenon was researched based on teachers’ experiences of assessment in dance education and formulations in the syllabi for upper secondary school. READ MORE

  7. 5. Assessment of tympanic membrane : a study of children with otitis media in general practice

    Author : Thorbjörn Lundberg; Herbert Sandström; Sten Hellström; Claude Laurent; Magnus Von Unge; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Family Medicine; allmänmedicin; oto-rhino-laryngologi; Oto-Rhino-Laryngology;

    Abstract : Background Acute otitis media (AOM) is a common disease in children and is causing great discomfort and disability worldwide but many areas are underserved regarding skilled professional. Tele-otology offers a promising technique to provide ear health globally. Diagnostic accuracy of AOM has regardless of method been found to be low. READ MORE