Guest Editorial: Advanced Technologies and Services for Multimedia Big Data Processing
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This special issue focuses on advanced technologies and services for multimedia big data processing for future computing environments, including, but not limited to, heterogeneous data collection technologies, storage technologies, management technologies, processing technologies, analysis technologies, data mining, DBMS technology, intelligent technologies, information visualization technologies, convergence technologies, platform technologies, security, 3D visualization, distributed processing technologies, cloud service technologies, semantic of social media, service applications, new technologies for healthcare, new frontier platform, and services and technologies of manufacturing and education for multimedia big data processing. All papers focus on novel approaches for advanced technologies and services for multimedia big data processing and present high quality results for tackling problems arising from the ever-growing advanced technologies, services for multimedia big data processing and services for future computing environments.
In recent years, there has been a substantial amount of work on big data analytics using Hadoop-based platforms running on large clusters of computers [1, 2, 4, 5, 7, 9]. In particular, multimedia and individuals with smartphones on social network sites will continue to fuel exponential growth. Big data—large pools of data that can be captured, communicated, aggregated, stored, and analyzed—is now part of every sector and function of the global economy. “Big Data” refers to datasets whose size is beyond the ability of typical database software tools to capture, store, manage, and analyze. This definition is intentionally subjective and incorporates a moving definition of how big a dataset needs to be in order to be considered big data [3, 5, 6, 8].
This special issue aims to foster the dissemination of high quality research in methods, theories, techniques and tools concerning active multimedia big data technology in the coming era. The emerging applications and usages provide tailored, precise solutions wherever and whenever beings are active and extremely concentrated. Original research articles were solicited in all aspects of theoretical studies, practical applications, new communication technologies and experimental prototypes. This technology is being driven by and used in a wide range of academic, research, and commercial application areas.
We received many manuscripts, but only 11 papers of high quality were finally selected for this special issue. Each manuscript selected was blindly peer reviewed by at least three reviewers consisting of guest editors and external reviewers. The selected papers focus on novel approaches for advanced technologies and services for multimedia big data processing and present high quality results for tackling problems arising from the ever-growing advanced technologies and services for future computing. We present a brief overview of each paper below.
The first paper by Fan-Hsun Tseng, et al. proposed that social media services should be established with a well-defined infrastructure ( 10.1007/s11042-014-2086-z). The authors show that the VM migration problem in a cloud data center is formulated based on mixed integer linear programming, and the VM Allocation algorithm is proposed to construct a stable, robust, balanced network. Moreover, they specifically focus on the VM migration. The proposed algorithm not only achieves the lower number of VM migration and total cost, but also balances the utilization between PMs.
Fatos Xhafa et al. designed a secure cloud-based EHR system using ABE ( 10.1007/s11042-013-1829-6). This system allows the patients to selectively share their PHRs with physicians by performing encryption under their current symptoms, but without knowing the precise description of their illnesses or the departments of physicians needed in medical treatment.
Wei Song and Kyungeun Cho proposed a real-time large-scale terrain modeling system for mobile robots ( 10.1007/s11042-013-1669-4). The proposed method was found to be effective in an outdoor environment for a mobile robot with a LiDAR sensor, video camera, GPS receiver, and gyroscope. They constructed a grid-based flag map to register the sensed 3D point clouds in the terrain model without redundancy. Subsequently, they applied a textured mesh and particle rendering method to represent the reconstructed terrain model.
Zezhong Zhang et al. proposed the first authentication scheme with user anonymity for the SIP using the ECC ( 10.1007/s11042-014-1885-6). Security analysis shows the proposed scheme not only is secure against common attacks such as replay attack, password guessing attack, man-in-the-middle attack, Denning-Sacco attack, stolen-verifier attack, but also provides user anonymity, mutual authentication, known-key security, session key security, and perfect forward secrecy.
Simon S. H. Park et al. developed a new measure to compute the distances effectively between multiple categorical data on which it incorporates the structural topology as well as the data distribution ( 10.1007/s11042-014-1914-5). The conventional approaches have not covered the multiple categorical structures, but the CTSM partly covered the issue. The CTSM, however, has exposed shortcomings so that the number of sibling nodes has not been considered and only depends on hop degrees. Their new measure, MCSM, has solved these two issues successfully and outperformed conventional approaches so that they can claim that MCSM is a solid and robust measure for multiple categorical data.
Wei-Jian Xu et al. proposed a reduced reference evaluation model named RR-PEVQ (Reduced Reference Perceptual Evaluation of Video Quality) for weighing the active video area ( 10.1007/s11042-014-1903-8). According to the experimental results, the RR-PEVQ evaluation score is similar to that of the full reference PEVQ and the proposed method’s practicability was greatly improved for big data purposes.
Neil Y. Yen et al. discussed an emerging model for the understanding (and creation) of social empowered data and its derivative contexts ( 10.1007/s11042-014-1941-2). Furthermore, the management and reuse of such information are specifically concentrated [presented?]. Considering the dramatic growth of data, a theoretical design of the state machine to collect contexts, such as activity logs, behavior, etc., from end users was proposed. This framework is featured by its core approach on data processing as it highlighted the importance of potential fusion on data, algorithm, and results. Given a concrete usage scenario in social web, this state machine is expected to draw attention from users, keep them, and then predict their intentions through the analysis of collected contexts in the future. The framework was also implemented on an open platform that allows add-on services from third-party developers so that the user contexts can be collected comprehensively and objectively. Although there are still limitations and some work remains, it is certain that the construction and development of a system to provide smart business services is a worthwhile attempt to meet profound society needs.
Kuei-Fang Hsiao showed the need for a massive large-scale boost in two main dimensions of physical and mental health enhancement ( 10.1007/s11042-013-1649-8). In order to solve this problem, this paper proposed a new low-cost and innovative adoption of augmented reality (AR) functions through an agile deployment of mobile-based augmented reality (mAR) embedded in massively available intelligent smartphones. In their proposed method a set of downloadable ARenabled embedded learning and exercising programs, designed upon users’ historical and habitual improvement data, would enable a collective sequence of required activities and be individually optimized. At the system design level, upon the individually recorded data in various databases, it selects and configures the most suitable set of downloadable programs – a combination of mental and physical activities. From their experiment it provided some statistical results for two distinct application areas of mAR: ‘exercising-rehab’ and ‘lifelong learning’. Three sets of results showed the age related results for three user critical features of ‘ease of use,’ ‘usefulness’ and ‘user attitude’. Further analysis of data through modeling helps to provide a systematic design procedure based on user’s age in conjunction with other variables.
Minkyung Kim et al. developed a lifelog management system that allows roaming users carrying smartphones to effectively record huge amounts of their daily behaviors ( 10.1007/s11042-013-1671-x). The prototype personal lifelog management system collects acceleration data from sensors, extracts major data from the sensed raw data and then transfers only indexed major data into a smartphone to use storage capacity at a low cost and reduce network transfer cost. They also proposed a layered data logging system for effective personal lifelog management. One significant aspect of the lifelog management system is the approach of hierarchical process to choose the optimal usage configuration of hierarchical computing and storage resources.
Shingchern D. You and Wei-Hwa Chen considered the problem of computing representative LRDs based on the MPEG-7 audio signature descriptors so that the comparison time for music identification can be significantly reduced ( 10.1007/s11042-013-1670-y). Although they can reduce the number of MPEG-7 audio signature descriptors by altering the scaling ratio and the bandwidth per band, experimental results show that this approach has poor identification accuracy. Consequently, other reduction methods should be used. In this paper, they examine block-average, PCA, Hadamard, Harr, and CDF 9/7 methods for this purpose. For the PCA, Hadamard, Haar, and CDF 9/7 approaches, they also considered different partition methods to compute LRDs. The results showed that different matrix partition methods are required for different reduction approaches. Simulation results showed that block average, PCA, Hadamard, and Harr approaches yield comparable performance, but the CDF 9/7 approach performs relatively poorly. In addition to the accuracy, they also compared the arithmetic operations required for each approach. If not considering the computational complexity, except the CDF 9/7 approach, the remaining four methods may be used to produce representative LRDs. If the computational burden is very important, then the block average method is the best choice.
Jeong-Hoon Lee et al. studied an in-vehicle sensor database management system (DBMS) ( 10.1007/s11042-013-1672-9). In the proposed approach, simply called in-vehicle DBMS approach, DBMS inside the ego-vehicle manages gathers and processes traffic and sensor data onboard such as signal data and multimedia data, including map and image data. They classify the requirements of applications using the in-vehicle DBMS into data modeling and query processing. They also proposed the system architecture for an in-vehicle DBMS which solves those issues and discussed database techniques offered by the system.
Our special thanks go to Dr. Borko Furht, Editor-in-Chief of Multimedia Tools and Applications, and the editorial staff for their valuable support throughout the preparation and publication of this special issue. We would like to thank all authors for their contributions to this special issue. We also extend our thanks to the external reviewers for their excellent help in reviewing the manuscripts.
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