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Dynamic Bayesian approach for detecting cheats in multi-player online games
Springer Science and Business Media LLC - Tập 14 - Trang 221-236 - 2008
Massively multi-player games hold a huge market in the digital entertainment industry. Companies invest heavily in game developments since a successful online game can attract millions of users, and this translates to a huge investment payoff. However, multi-player online games are also subjected to various forms of “hacks” and “cheats”. Hackers can alter the graphic rendering to reveal informatio......
Balancing disk energy against reliability in video playback
Springer Science and Business Media LLC - Tập 20 - Trang 25-43 - 2013
Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the d......
Unsupervised domain adaptation of dynamic extension networks based on class decision boundaries
Springer Science and Business Media LLC - - 2024
In response to the problems of inaccurate feature alignment, loss of source domain information, imbalanced sample distribution, and biased class decision boundaries in traditional unsupervised domain adaptation methods, this paper proposes a class decision boundary-based dynamic expansion network unsupervised domain adaptation method called CDE-Net. Specifically, our method dynamically expands the......
Catch-up TV analytics: statistical characterization and consumption patterns identification on a production service
Springer Science and Business Media LLC - Tập 23 - Trang 563-581 - 2016
Multimedia IP Television services, such as on-demand Catch-up TV, are in an active migration process towards Over-The-Top (OTT) delivery using state-of-the-art Content Delivery Networks (CDNs). Maintaining the same Quality-of-Experience (QoE) of managed IPTV networks is challenging and requires a thorough understanding of users’ behaviors and content demand characteristics. This article leverages ......
Models for Multimedia Mobile Cloud in Smart Cities
Springer Science and Business Media LLC - Tập 25 - Trang 525-534 - 2017
Realizing efficient models that are capable of handling massive amounts of mobile multimedia data is an essential component of achieving the vision of smart future cities. In order for a model to be truly effective, it can not be based solely on improving the hardware of mobile devices. Instead, utilizing software solutions and tools provided by the emerging field of Mobile Cloud Computing (MCC) p......
Detecting facial manipulated images via one-class domain generalization
Springer Science and Business Media LLC - Tập 30 - Trang 1-14 - 2024
Nowadays, numerous synthesized images and videos generated by facial manipulated techniques have become an emerging problem, which promotes facial manipulation detection to be a significant topic. Much concern about the use of synthesized facial digital contents in society is rising due to their deceptive nature and widespread. To detect such manipulated facial digital contents, many methods have ......
SwinCT: feature enhancement based low-dose CT images denoising with swin transformer
Springer Science and Business Media LLC - Tập 30 - Trang 1-10 - 2024
To reduce the potential harm to patients from X-ray radiation in computed tomography (CT), low-dose ray CT (LDCT) was conspicuous in clinical diagnosis and evaluation. However, the excessive noises in the LDCT scan significantly degrades the image quality, which seriously affects the clinical diagnostic efficacy. In this paper, we propose SwinCT, a feature-enhanced model for LDCT images noise redu......
Subjective quality assessment of multichannel audio accompanied with video in representative broadcasting genres
Springer Science and Business Media LLC - Tập 21 - Trang 363-379 - 2013
Immersive broadcasting applications have received a lot of attention in the last years. In this context, the development of advanced HDTV and 3DTV formats is being successfully adopted by the consumer market, having a strong impact in the way that traditional broadcasting contents are displayed to final users. Together with the above advances in video technology, multichannel spatial audio has als......
Harvesting microblogs for contextual music similarity estimation: a co-occurrence-based framework
Springer Science and Business Media LLC - Tập 20 - Trang 693-705 - 2013
Microtexts are a valuable, albeit noisy, source to infer collaborative information. As music plays an important role in many human lives, microblogs on music-related activities are available in abundance. This paper investigates different strategies to estimate music similarity from these data sources. In particular, we first present a framework to extract co-occurrence scores between music artist......
On robustness against JPEG2000: a performance evaluation of wavelet-based watermarking techniques
Springer Science and Business Media LLC - Tập 20 - Trang 239-252 - 2013
With the emergence of new scalable coding standards, such as JPEG2000, multimedia is stored as scalable coded bit streams that may be adapted to cater network, device and usage preferences in multimedia usage chains providing universal multimedia access. These adaptations include quality, resolution, frame rate and region of interest scalability and achieved by discarding least significant parts o......
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