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Multimedia Computing and Systems, 1996., Proceedings of the Third IEEE International Conference on

Date 17-23 June 1996

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Displaying Results 1 - 25 of 96
  • Proceedings of the Third IEEE International Conference on Multimedia Computing and Systems

    Publication Year: 1996
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    Freely Available from IEEE
  • Spatio-temporal indexing for large multimedia applications

    Publication Year: 1996, Page(s):441 - 448
    Cited by:  Papers (42)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (884 KB)

    Multimedia applications usually involve a large number of multimedia objects (texts, images, sounds, etc.). Spatial and temporal relationships among these objects should be efficiently supported and retrieved within a multimedia authoring tool. In this paper, we present several spatial, temporal and spatio-temporal relationships of interest, and propose efficient indexing schemes, based on multidi... View full abstract»

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  • Author index

    Publication Year: 1996
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    Freely Available from IEEE
  • Integrated image and speech analysis for content-based video indexing

    Publication Year: 1996, Page(s):306 - 313
    Cited by:  Papers (34)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1012 KB)

    We study an important problem in multimedia database, namely the automatic extraction of indexing information from raw data based on video contents. The goal of our research project is to develop a prototype system for automatic indexing of sports videos. The novelty of our work is that we propose to integrate speech understanding and image analysis algorithms for extracting information. The main ... View full abstract»

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  • An algorithm for content-based retrieval in multimedia databases

    Publication Year: 1996, Page(s):193 - 200
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (760 KB)

    Proposes a linear-time algorithm, referred to as SIMvs, for processing spatial similarity queries in multimedia databases. SIM vs computes the degree to which the spatial relationships among the objects in a database image conform to those specified in the query. SIMvs recognizes translation, scale and rotation variants of an image, and variants generated by an arb... View full abstract»

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  • Video/text linkage system assisted by a concept dictionary and image recognition

    Publication Year: 1996, Page(s):334 - 339
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (648 KB)

    This paper describes a system for two-way linkage between video and its transcribed text that supports observational data analysis. One distinct feature of the system is that a specific area in the video image is linked to the text. The luminance (Y) signal of the video image is used to assist in linkage establishment from video to text. Another feature is that it is possible to extract concepts o... View full abstract»

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  • Analysis on disk scheduling for special user functions

    Publication Year: 1996, Page(s):608 - 611
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    Previous studies on disk scheduling for video services are usually based on computer simulation. We present an analysis of disk scheduling for video services. The purpose of the analysis is to obtain the maximum number of simultaneous video streams which can be supported by a disk using CLOOK or LOOK algorithm. The analysis is then extended to study disk scheduling for special user functions such ... View full abstract»

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  • On supporting mission-critical multimedia applications

    Publication Year: 1996, Page(s):46 - 53
    Cited by:  Papers (5)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (684 KB)

    Mission-critical multimedia applications such as advanced command and control are dynamic and criticality-driven. Taking into consideration the application criticality as well as media quality-of-service (QoS) and timing requirements, we develop a multiresource management system that enables criticality-based resource preemption and QoS-based dynamic resource negotiation and adaptation. Our perfor... View full abstract»

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  • 3D image display with motion parallax by camera matrix stereo

    Publication Year: 1996, Page(s):349 - 357
    Cited by:  Papers (9)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1180 KB)

    We propose a 3D image display system which can present real scenes with realistic motion parallax. In the sensing system, a scene is observed by using a camera matrix. An excellent stereo algorithm SEA which utilizes 3×3 image matrix recovers the depth information of the scene with the density and the sharpness required for high quality image generation. In the display system, following the ... View full abstract»

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  • Real-time gesture recognition using Maskable Template Model

    Publication Year: 1996, Page(s):341 - 348
    Cited by:  Papers (2)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    We describe a new method for real-time gesture recognition and its application. The key idea of the method is that we use multiple template models for specific feature parts of the body such as arms and estimate the pose of this part by comparing similarities of an input image to the models. To calculate the similarity for the part, we developed the Maskable Template Model (MTM) with which both ma... View full abstract»

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  • Performance issues in CD-ROM-based storage systems for multimedia

    Publication Year: 1996, Page(s):618 - 621
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (308 KB)

    CD-ROMs have proliferated as a distribution media for desktop machines for a large variety of multimedia applications. We look at issues related to the single-user desktop environment. Since these multimedia applications are highly interactive in nature, we take a pragmatic approach, and have made a detailed study of the multimedia application behavior in terms of the I/O request patterns generate... View full abstract»

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  • Design and performance tradeoffs in clustered video servers

    Publication Year: 1996, Page(s):144 - 150
    Cited by:  Papers (18)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (732 KB)

    We investigate the suitability of clustered architectures for designing scalable multimedia servers. Specifically, we evaluate the effects of: (i) architectural design of the cluster; (ii) the size of the unit of data interleaving; and (iii) read ahead buffering and scheduling on the real time performance guarantees provided by the server. To analyze the effects of these parameters, we develop an ... View full abstract»

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  • Digital watermarks for audio signals

    Publication Year: 1996, Page(s):473 - 480
    Cited by:  Papers (154)  |  Patents (238)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (744 KB)

    We present a novel technique for embedding digital “watermarks” into digital audio signals. Watermarking is a technique used to label digital media by hiding copyright or other information into the underlying data. The watermark must be imperceptible or undetectable by the user and should be robust to attacks and other types of distortion. In our method, the watermark is generated by f... View full abstract»

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  • Declarative scheduling for optimally graceful QoS degradation

    Publication Year: 1996, Page(s):86 - 94
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    The paper introduces a mechanism for optimally graceful QoS degradation in distributed real time multimedia services, declarative scheduling. We assume that for each medium of a multimedia service there are a set of implementations, both with differing resource consumption and provided QoS, thus allowing to exploit both resource-resource and resource-QoS tradeoffs. If the amount of available resou... View full abstract»

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  • An open framework for integrating widely distributed hypermedia resources

    Publication Year: 1996, Page(s):364 - 371
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (780 KB)

    The success of the WWW has served as an illustration of how hypermedia can enhance access to large repositories of distributed information. However, current distributed hypermedia systems offer limited hypermedia functionality which cannot easily be augmented or simply applied to existing applications and data formats. This paper describes a model and prototype, based on the Microcosm system, of a... View full abstract»

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  • A comparison of hardware prefetching techniques for multimedia benchmarks

    Publication Year: 1996, Page(s):236 - 244
    Cited by:  Papers (9)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    Data prefetching is a well known technique for improving cache performance. While several studies have examined prefetch strategies for scientific and commercial applications, no published work has studied the special memory requirements of multimedia applications. This paper presents data for three types of hardware prefetching schemes: stream buffers, stride prediction tables, and a hybrid combi... View full abstract»

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  • Disk striping and block replication algorithms for video file servers

    Publication Year: 1996, Page(s):590 - 597
    Cited by:  Papers (9)  |  Patents (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (652 KB)

    In multimedia systems, compressed video files are stored digitally on disks within a video server. Object placement and object replication on disks influence the cost, the availability, and the throughput of a video server. The choice of algorithm, along with the workload, determines the number of disks needed to support a given number of users. There is a need to duplex video objects in order to ... View full abstract»

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  • Life-like communication agent-emotion sensing character “MIC” and feeling session character “MUSE”

    Publication Year: 1996, Page(s):12 - 19
    Cited by:  Papers (20)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1372 KB)

    Why do people, regardless of age or gender, have an affinity for objects manifested in the human form? From the earthen figures of ancient times to mechanical dolls, teddy bears and robots, is it not true that man has conceived such objects in his imagination, then formed attachments and transferred emotions to them? In this paper, we address the issues of communication and esthetics of artificial... View full abstract»

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  • A dynamic QoS control based on optimistic processor reservation

    Publication Year: 1996, Page(s):95 - 103
    Cited by:  Papers (3)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (968 KB)

    The paper proposes a dynamic QOS control scheme using a processor reservation system. In our scheme, a system allocates processor capacity for each application, then the application increases or decreases the current resource usage by using a feedback mechanism. This scheme allows the application to reserve resources optimistically. This means that a system can allocate all processor resources to ... View full abstract»

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  • Fast algorithms for compositing multi-way compressed video

    Publication Year: 1996, Page(s):540 - 543
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB)

    This paper presents fast algorithms for compositing two or more videos which have been compressed using the JPEG (Joint Picture Experts Group) compression standard. Their performance is improved over traditional methods by processing compressed video data in the frequency domain, avoiding the DCT (discrete cosine transform) and IDCT (inverse DCT). Since the algorithms are built on a new theoretica... View full abstract»

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  • Constant data length retrieval for video servers with variable bit rate streams

    Publication Year: 1996, Page(s):151 - 155
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB)

    We define a novel retrieval algorithm for variable bit rate video streams called GCDL that reads the video data from the disk as constant size data blocks. We formulate for GCDL a deterministic admission control criterion and evaluate its performance. Compared to existing retrieval algorithms, GCDL decreases the buffer requirement and start up latency while admitting the same number of clients View full abstract»

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  • User interface of a document-processing reader for the blind

    Publication Year: 1996, Page(s):493 - 496
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    After describing the problems that blind users face in accessing conventional printed documents, we give an overview of a document-processing reader for OS/2. The discussion concerns mainly the user interface of the system, since GUIs present serious problems for blind users. Instead of icons and a mouse, the system interface is built around voice menus and a numeric keypad. A structured file is a... View full abstract»

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  • Forming square-styled brush-written Kanji through calligraphic skill knowledge

    Publication Year: 1996, Page(s):501 - 504
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    We propose a computer formation of brush-written Kanji characters for a brush writing training system using calligraphic knowledge. The style of brush handwriting depends mainly on the way of using a writing brush. Brush writing skills include the direction of the brush at the beginning, curvature and turning the brush, and the brush-up at the termination point in a stroke. We revise the calligrap... View full abstract»

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  • Intra- and inter-stream synchronisation for stored multimedia streams

    Publication Year: 1996, Page(s):372 - 381
    Cited by:  Papers (14)  |  Patents (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (844 KB)

    Multimedia streams such as audio and video impose tight temporal constraints due to their continuous nature. Often, different multimedia streams must be presented in a synchronized way. We introduce a scheme for the continuous and synchronous delivery of distributed stored multimedia streams across a communications network. We propose a protocol for the synchronized playback, compute the buffer re... View full abstract»

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  • Multimedia applications using a database programming language-INADA

    Publication Year: 1996, Page(s):458 - 461
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (700 KB)

    INADA is a new database programming language under development at Kyushu University. INADA can create and manipulate C++ objects stored in a database (persistent object). The key idea of INADA is the introduction of distributed shared virtual memory. We propose multimedia applications using distributed shared virtual memory. We introduce stream heap for time-based media, and global heap for non ti... View full abstract»

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