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Multimedia Systems OnlineFirst articles

20.06.2018 | Regular Paper

Securing JPEG-2000 images in constrained environments: a dynamic approach

This paper presents an efficient and lightweight format-compliant selective encryption algorithm for secure JPEG 2000 coding. The proposed encryption scheme is dynamic in nature, where the key is changed for every input image. Furthermore, an …

31.03.2018 | Regular Paper

Performance evaluation of TcpHas: TCP for HTTP adaptive streaming

HTTP adaptive streaming (HAS) is a widely used video streaming technology that suffers from a degradation of user’s Quality of Experience (QoE) and network’s Quality of Service (QoS) when many HAS players are sharing the same bottleneck link and …

21.03.2018 | Regular Paper

SABA: segment and buffer aware rate adaptation algorithm for streaming over HTTP

Adaptive streaming allows for dynamic adaptation of the bitrate to varying network conditions, to guarantee the best user experience. Adaptive bitrate algorithms face a significant challenge in correctly estimating the throughput, as the …

21.03.2018 | Regular Paper

Association rule mining for the usability of the CAPTCHA interfaces: a new study of multimedia systems

This paper presents an analysis of the CAPTCHA interfaces in terms of their usability to Internet users. The usability is represented by the time needed to the users for finding a solution to the CAPTCHA, which is called response time.

21.03.2018 | Regular Paper Open Access

Modelling user quality of experience from objective and subjective data sets using fuzzy logic

One of the paramount research questions in the scientific community today is how to remotely assess user quality of experience (QoE) for a specific service. To this end, various user QoE assessment models have been developed; however, they are …

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Über diese Zeitschrift

This journal details innovative research ideas, emerging technologies, state-of-the-art methods and tools in all aspects of multimedia computing, communication, storage, and applications. It features theoretical, experimental, and survey articles.

Coverage in Multimedia Systems includes:

- Integration of digital video and audio capabilities in computer systems

- Multimedia information encoding and data interchange formats

- Operating system mechanisms for digital multimedia

- Digital video and audio networking and communication

- Storage models and structures

- Methodologies, paradigms, tools, and software architectures for supporting multimedia applications

- Multimedia applications and application program interfaces, and multimedia endsystem architectures.

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