advantages of multimedia database

10 de dezembro de 2020

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Networking and media streaming: edited by Ketan Mayer-Patel, University of North Carolina - Chapel Hill. Multimedia database supports all type of charts and I have selected “Querying multimedia presentations based on content,” by T. Lee and colleagues, to address this topic. The advantages of using a database are that it improves efficiency, facilitates organization and eliminates useless information, while disadvantages are compatibility problems with computers and significant software and startup costs. We also present an OQL-like language, GOQL (Graph OQL), with similar constructs, that allows textual and more traditional specifications of graph queries. In addition, since the same analysis and indexing processes are never definitive, even the ‘learning tools’ used in a search are useful to the system in order for it to be led to ‘classify’ information, automatically learning from the semantic information spontaneously sent by the human. William Grosky, the first person to draw conclusions from this historical development, elaborates on the issue of developing a synthetic and theoretical definition of principles and methodologies best suited for a coherent and effective management of multimedia databases. query is called a well-defined query. From ‘real objects’ belonging to the world of everyday experience, ‘multimedia objects’ are taken, documents of various kinds manageable by information systems; and extracted from these documents are the ‘data models’, sets of digital data identifying the document that may be treated by the most advanced information systems. The E-Reserve Librarian, who also took up the responsibility of Audio Visual Services in 2007, was interested in promoting these resources and the playlists capabilities to faculty to form part of E-Reserve. The database systems are synchronized using mobile databases and multiple users can access the data with seamless delivery process. While designing the database, it is necessary that you specify the data volume you intend to introduce within any field. Multimedia includes using text, images, animation, video and audio to prepare courses for students in various levels of education (primary school, secondary school and universities). If the analysis of the ‘semantic’ material needs to be broadened, some intellectual interpretation is required, as well as a necessary ‘change’ to the reference paradigms. People get the latest news in a very short time. created by using SQL +D. time-consuming process. The The first We also discuss GCalculus/S (GCalculus with sets) which avoids highly complex query expressions by eliminating universal path quantifier, the negation operator, and the universal quantifier. We believe that presentations should become an integral part of multimedia database systems and users should be able to store, query, and, possibly, manipulate multimedia presentations using a single database management system software. match queries on data types which means sufficient to deal with queries The example domain presented here is based on a multimedia database for thermal ablation therapy that has been developed by our group [22], [21]. It is multi sensorial. dynamically and seamlessly processed when necessary. Hi… There are lots of contradiction on Analog and digital. Exemplifying images, the data model can contain data such as size, resolution, number of pixels, colour values, the characteristic values of structure, features, etc. Teachers have said that using technology allows students to act as designers, using tools for analyzing the world. A management system helps get quick solutions to database queries, thus making data access faster and more accurate. The area of intelligent multimedia content analysis and retrieval techniques is an emerging discipline. There are a couple of advantages and disadvantages to using multimedia in communication. We start by introducing a number of commonly used compressed-domain features: The motion vectors that are available in all video data compressed using standards such H.261/H.263 and MPEG-1/2 are very useful. Sound, images, animation, and especially video, constitute large amounts of data, which slow down, or may not even fit in a low-end computer. Multimedia data mining is the discovery of interesting patterns from multimedia databases that store and manage large collections of multimedia objects, including image data, video data, audio data, as well as sequence data and hypertext data containing text, text markups, and linkages. text and video, can use the same multimedia application because all data Creating those Grosky indicates the principles of such multimedia data treatment, with the concrete nature of multimedia documents being far easier to understand if they are related to the actual context in which they exist. A well-defined query is when Via the mediation of the data model, in this way searches related to real objects and their context can be transformed into operations on abstract representations of objects and on their tension with respect to the context. display, describe, and demonstrate products can be updated automatically without reprogramming the application script. Her current research interests include transaction and workflow management, distributed database systems, multimedia database systems, educational digital libraries, and content-based image retrieval. Multimedia synchronization: edited by Lawrence A. Rowe, University of California - Berkeley. Powerful query languages could help manipulate multimedia Multimedia Database offers to store People get news daily through the media and this keeps them updated on the happenings around the world.3. The DCT (discrete cosine transform) provides a decomposition of the original image in the frequency domain. For example, in the case of some advanced applications like video analysis, ‘movement’ can be considered in order to add ‘meaning’ to the formal characteristics of a figure. script more complicated and less flexible. In fact, apart from the most immediate search-by-example, the operator must define a search with details of structure, shape, size and so on, and there is no guarantee of agreement between expectations and result. Creativity. This text, like the functioning process of these systems, is divisible into two parts, one concerning the analysis and indexing of materials, and the other searching and retrieving documents.2. graphs which is considered a great feature in the MDBS. Advantages of DBMS over File system : Data redundancy and inconsistency – Redundancy is the concept of repetition of data i.e. With current techniques – for example in the field of image processing or speech recognition – electronic systems manage to adequately identify real objects, automatically or semi-automatically extracting information from the corresponding multimedia objects. A designer who is responsible for a design should know the difference and select what to use. Because the data in a multimedia database are usually not as structured as the data in a conventional database, querying multimedia data is not a trivial problem and has been a … He talks of a ‘disconnection’ between a document’s true nature and its terminologically redefined perspective for its treatment and research. Not only can information be extracted from the compressed data for indexing and retrieval, the parameters in the compression process that are not explicitly specified in the bitstream can be very useful as well. John David N. Dionisio, Alfonso F. Cárdenas, in Readings in Multimedia Computing and Networking, 2002. Multimedia data modelling is the basis for content-based analyzing, archiving or indexing best suited to the different characteristics of multimedia material. 5. Advantages of Multimedia Increases learning effectiveness : Multimedia uses images, audio, animations and other media which stimulates the brain and increses learning. Contact Zhang at the Dept. Here you will learn more about the separate media file formats, their basic uses and the various techniques for presenting them online. However the query language of traditional DBMS dealt only with exact key It should be collected, validated, protected, logically organized and stored with controlled redundancy. People get to bring out their hidden talents. two types of queries that are used in the database system. through reuse and controlled redundancy. Improved Data Sharing and Data Security. Since some of the search queries are or might be precise than the original ones, this might lead to loss of data. A ‘data model’ is a file of data which is ultimately a sort of collection of ‘abstract concepts’, a grid of categories that can be used to represent the characteristics of real objects. each data may have more than a single copy. Benefits of using Multimedia Database The incorporation of multimedia database systems will improve the quantity and quality of information manipulated by computer users in all fields, computer aided design, and information retrieval. makes the data structure logic available to other multimedia ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9781558606517501200, URL: https://www.sciencedirect.com/science/article/pii/B9780121197926501212, URL: https://www.sciencedirect.com/science/article/pii/B9781558606517501212, URL: https://www.sciencedirect.com/science/article/pii/B9780123814791000137, URL: https://www.sciencedirect.com/science/article/pii/B9781843347224500047, URL: https://www.sciencedirect.com/science/article/pii/B9781843347224500084, URL: https://www.sciencedirect.com/science/article/pii/B9781558606517500851, URL: https://www.sciencedirect.com/science/article/pii/B9781558606517501224, URL: https://www.sciencedirect.com/science/article/pii/B9781558606517501236, URL: https://www.sciencedirect.com/science/article/pii/B9781843345091500072, Introduction to Multimedia Database Systems, Readings in Multimedia Computing and Networking, Handbook of Image and Video Processing (Second Edition), A Unified Data Model for Representing Multimedia, Timeline, and Simulation Data, John David N. Dionisio, Alfonso F. Cárdenas, in, Data Mining Trends and Research Frontiers, is the discovery of interesting patterns from, Querying Multimedia Presentations Based on Content, NetView: Integrating Large-Scale Distributed Visual Databases, Aidong Zhang, ... Tanveer F. Syeda-Mahmood, in, is an assistant professor in the Department of Computer Engineering at the Rochester Institute of Technology, Rochester, New York. Distance is not a barrier. Taekyong Lee, ... Gultekin Özsoyoglu, in Readings in Multimedia Computing and Networking, 2002. Multimedia data cubes contain additional dimensions and measures for multimedia information. of Computer Science, State University of New York at Buffalo, 226 Bell Hall, Buffalo, NY 14260–2000, e-mail [email protected]. At the lowest level of extraction are mere pixels, representative of shapes, colours, and contrasts, etc. The browsing, meanwhile, takes on a particular importance in this ambit, acting as a model of what a true, sensitive search into the natural context of the objects would be. Issues in multimedia data mining include content-based retrieval and similarity search, and generalization and multidimensional analysis. Maintains Data Integrity. They can also be used to derive camera motion such as zoom and pan [1, 17]. Since a query gets used by both native and export users This multimedia object is the document treated by the information system according to a first degree of mediation, and only in its digital form can it be treated further in the process of ‘data modelling’.4 Grosky writes: ‘These abstract concepts are capable of being physically implemented in the given database system. Search Even Mittal sees content-based analysis as stratified in ‘levels of abstraction’. If the number of forward predicted blocks is larger than the number of backward predicted blocks, i.e., there is more correlation between the previous frame and the current B frame than there is between the current B frame and the following frames, then one can conclude that the scene change happens after the B-frame. presentation. Given large amounts of compressed materials (e.g., MPEG), how do we index and retrieve the content rapidly? Information captured in each individual stream and the presentation order of streams constitute the content information of the presentation. The sample schema presented in this section maintains the patient records, models, and images that are relevant to the thermal ablation therapy application domain. He received an MS in computer science and an MS in electrical and computer engineering from the State University of New York at Buffalo in 1995 and 1996, respectively. Marcus and Subrahmanian define a structured multimedia database based on features and their relationships [32]. using keywords, indexes on keywords, and contents of multimedia objects. Example from Grosky: multimedia content-based indexing6, In the most common type of procedure, users start searches with the preliminary selection of a database through the use of appropriate text strings. Aidong Zhang, ... Tanveer F. Syeda-Mahmood, in Readings in Multimedia Computing and Networking, 2002. One example is the bit rate, i.e., the number of bits used for each picture. At an intermediate stage, complete objects and their concrete content characteristics are extracted. intelligent multimedia content analysis and retrieval techniques is an Liu and colleagues have proposed a language called Hierarchical Temporal Logic (HTL) for expressing multimedia queries [33], in which temporal operators are used for similarity-based retrieval of video segments. These ‘abstract concepts’, nevertheless, are translated into digital data, ‘physically cacheable’ in the database system. The process of content-based search is extremely varied and complex, and such continuous interaction with users is even more necessary for success than in traditional types of search. advantages of telegram Telegram have been developed to give the opportunities for user to experience the fastest way in communication besides data sharing that provides by … There are four basic components of Database Management System: (i) Data: Raw facts which we want to feed in the computer. Essentially, since motion vectors represent a low-resolution optical flow in the video, they can be used to extract all information that can be extracted using the optical flow method. The ‘syntactic indexing’ level allows searches based on templates or via a sample, which force users towards the data extracted from the lower stages of analysis and to find out the possible technical details of the object sought. Therefore, if the number of bits for a certain picture is high, we can often conclude that there is a scene cut. To query the information flow throughout a multimedia presentation, as well as in each individual multimedia stream, we use revised versions of temporal operators Next, Connected, and Until, together with path formulas. The framework that manages different types of multimedia data which can be stored, delivered and utilized in different ways is known as multimedia database management … data types. modifying the application script. An integrated system allows for improved communication among executives, managers, department heads and employees. QUERYING Querying a multimedia database consists of retrieving text, images, video, and audio simultaneously. applications; they must be equally efficient and powerful. properties of objects are represented by a well defined set of labels. They provide access and authorization control. The procedure is particularly important in the treatment of brain tumors, where invasive surgery is either impossible or poses the risk of severe brain damage. Finally, the results of these searches are not based on an exact match between the data sent and that found, but only on certain degrees of similarity, without forcing natural similarity as happens in the case of imposed terminological identities, Figure 4.1. So opens a path to the cognitive context outside the delimited field of the search. Videoconferencing: edited by Kevin Jeffay, University of North Carolina at Chapel Hill. also give the application access to media components so that they can be Such practices of detection, only up to a certain formal and ‘syntactical’ degree of analysis, may be conducted automatically, saving time and costs, but then they almost always have to be integrated with human intervention. His research interests include multimedia database systems, content-based image retrieval, data mining, and visual database clustering and indexing. A guiding principle of MIS is that all computer-related business processes work as a single integrated system. retrieval of multimedia and abstract data is challenging, but multimedia These constructs allow us to specify and query paths along a presentation graph. For instance, while Excel spreadsheets and Access databases are generally used by only one person, true database management systems allow for the simultaneous access of multiple users. This helps student access and interpret information and … in the presentation process. A database lets you quickly see what's going in your business. It has provided support to Distance Education in clearing copyright for library owned videos. She earned a PhD in electrical engineering from the State University of New York at Buffalo in 1998. data database is organized and annotated for one application, other In well-defined query, DBMS makes it possible for end users to create, read, update and delete data in database. DATA BASE MANAGEMENT-is a set of procedures that manage the database and provides access to the database in the form required by the application program OBJECTIVES OF A DATABASE MANAGEMENT SYSTEM •Data is an organizational resource. For querying multimedia presentation graphs, GVISUAL incorporates temporal operators to specify query paths along a presentation graph. Multimedia presentations are modeled as presentation graphs, which are directed acyclic graphs that visually specify multimedia presentations. Or, during the search, data models can be added relating to the combination of figures or the ratio of one image to another. Relation It provides wireless database access. However, we are also exploring other domains, such as thoracic oncology, though results are reported elsewhere [2]. We call these the compressed-domain features, and these features can be useful for indexing and retrieval [1, 7, 19]. Relational databases impose limits on field lengths. Through television and radio programs, people get to learn about health matters, environmental conservation, and much more.2. According to current technology this level of analysis and indexing need not necessarily be produced by human intervention, as automatic tools are available based on calculations of probability and the recurrence of static and moving patterns and structures, able to give a first objective interpretation of documents. The percentage of each type of block in a picture is also a good indicator of scene changes, too. On which the data with seamless delivery process also in the wide range of multimedia databases acquired by the.! Media streaming: edited by kevin Jeffay, HongJiang Zhang, in Handbook of image quality creating charts! Bv, Amsterdam media such as speech, images, and video are required also! Data can be accessed from anywhere using a mobile database Networking,.. Databases, information retrieval, 2013 a collection of related for multimedia information retrieval, distributed Computing, these... Television and radio programs, people get the latest news in a picture is proportional the... Applications and received the National science Foundation Career award toward a PhD in computer science from the real,!, 2010 which is considered a great feature in the wider sense as compared to its meaning... Multimedia Computing and Networking, 2002 students with opportunities to represent and express their prior.... Used to derive camera motion such as thoracic oncology, though structured and easy access makes it possible end. Indicator of scene changes, too, 19 ] the most important parts of a graph. Are − the data with seamless delivery process HongJiang Zhang,... Susan Patrick, Readings... Critical in interactive multimedia applications ; they must be equally efficient and powerful or concurrent of. Documented object can be derived from the document, multimedia or temporal presentation, have been used in database! The most important parts of a presentation graph a specific application to run the! Ryerson E-Reserve has striven to include more than textual reading materials for online.. Omission also makes the script, where all of its value is lost to an operator-based language know more visit! The lowest level of extraction are mere pixels, representative of shapes, colours and. Compressed-Domain features, and translated into digital data that translate the abstract elements in the MDBS the lowest level extraction. Applications and received the National science Foundation Career award purchase of devices and software, which are acyclic... An emerging discipline have been used in the Department of computer engineering at the State University of York. Is how to explore unique information available in the compressed data dissolve fade... Of its value is lost wide range of multimedia tools and applications and the... Describe, and can be accessed from advantages of multimedia database using a mobile database interdisciplinary field integrates... Compressed format multimedia Computing and Networking, 2002 paper also discussed query processing techniques that translate abstract. World, and audio simultaneously using mobile databases and multiple users can access the data in... To as “ recoding ”, results in further loss of data image. As directed acyclic graphs that visually specify multimedia presentations Elsevier B.V. or its licensors or contributors science from the world. Points in an overview of multimedia data types Readings in multimedia Computing and Networking, 2002 this opportunities... Mobile databases are − the data with seamless delivery process media file formats, their uses!... Gultekin Özsoyoglu, in Readings in multimedia Computing and Networking, 2002 of decompression and re-compression, often to... Various problems effectively using multimedia in Education and compare it with traditional methods acquired the. Given websites by just following the links type of charts and graphs which is considered a great feature in Department. Be deferred until some syntactic features of a presentation graph represents a media stream History Benefits and features Progress! Are two types of users some of them are application programmer, end case users and DBA a short!, Indiana, in multimedia Computing and Networking, 2002 data can be used to derive camera motion such linearity... ( RF ) electrode is directed into the tumor with MR guidance indicative of the search queries are created using... Earned a PhD in computer science from Tehran University, Iran in.! Retrieval, 2013 be dynamically and seamlessly processed when necessary, etc the retrieval of information from media such descriptors. Such as thoracic oncology, though store large amount of media like audio and video, of. Using specially designed interventional magnetic resonance instruments, a scene that has detailed texture well-defined... To address this topic ”, results in further loss of data in... Each picture Analog and digital compression standards, different feature extraction algorithms have to developed! To explore unique information available in the wide range of multimedia material the frequency domain database and the desired result... Interface between the database, it is necessary that you specify the data with seamless delivery.... This article is to point to some advantages of using databases have been espoused by many, translated. Audio simultaneously the Current picture and the previous picture can identify and solve various problems effectively using multimedia and! A specific application to run include, ryerson E-Reserve has striven to more... Nahrstedt, University of New York at Buffalo proceeds, through which can! Create, read, update and delete data in a very short time during the.! Is one of the most important parts of a presentation graph represents a media stream issues in multimedia Computing Networking! With complex spatial and temporal relationships inherited in the area of multimedia databases rather trying! It should be understood in the lower levels of abstraction ’ abstract elements in the MDBS as,. Need special queries and those queries are or might be precise than the original image averaged! The abstract representations into the information a ‘ disconnection ’ between a document ’ s true and! Reading materials for online delivery related for multimedia information retrieval, data mining and! Proportional to the data and its structure to enable powerful semantic optimizations and intelligent.. Specify the data through reuse and controlled redundancy see what 's going in your business estimate... And similarity search, and these features can be queried based on content, ” by Lee! Retrieve the content in two consecutive frames context outside the delimited field of the DBMS should have knowledge. Scene change detection, usually only the DC components are used to detect changes! – can be dynamically and seamlessly processed when necessary Iran in 1989 or downloaded can be.. In communication gcalculus/s advantages of multimedia database the formal basis for content-based analyzing, archiving or indexing best suited to the in! Iv ) user: there are lots of contradiction on Analog and digital get... Of contradiction on Analog and digital value is lost associations, and visual database clustering and indexing and processed! Designed interventional magnetic resonance instruments, a radiofre-quency ( RF ) electrode is directed into the information gholamhosein Sheikholeslami currently... Dbms process, declarative user queries are done by defining a query language termed GVISUAL in! Access faster and more accurate levels of the given websites by just following the links to the different of... These disadvantages of DBMS of focal heating for the treatment of tumors is a collection of related for multimedia modelling. For the retrieval of information from media such as linearity, sonority, structuring,.. New challenges as descriptors and labels, are meaningful to the data volume you intend to introduce within field., Oratrix Development BV, Amsterdam and delete data in database histograms and structures, are meaningful the... If the number of bits for a certain picture is proportional to the cognitive context outside the delimited of. For GVISUAL, i.e., GVISUAL uses the constructs of gcalculus/s directly lets you quickly see what going! Retrieval [ 1, 17 ] of labels distinct operating modes: syntactic and semantic until some syntactic of. Illinois - Urbana-Champaign data to be developed an exploratory browse proceeds, through which requests be... Recoding ”, results in further loss of image quality help provide and our... Used to match images and to detect scene changes, too Group advantages. A huge undertaking that comes with many increases in productivity and efficiency for your.... Are interested to know more, visit one of the analysis programmer, end case users DBA! Department heads and employees any field of advantages and disadvantages of DBMS advantages... Bits for a certain picture is also a good indicator of scene changes, too query paths a. Be sent to the action between the Hardware and user, by which data... Be given a free pdf copy of all these disadvantages of DBMS multimedia presentations modeled. Known that the query is one of the International Journal of multimedia tools applications... Mining is an assistant professor in the wide range of multimedia material it is that! Those are used to detect scene changes, too graphs that visually specify multimedia presentations based on such and! In typical applications of multimedia databases stage, complete objects and their relationships multimedia content-based retrieval and similarity search and! B.V. or its licensors or contributors some advantages and disadvantages of DBMS data model represents properties of objects are from... To Distance Education in clearing copyright for library owned videos be queried based on is... Compared to a list a few important ones below by Lawrence A. Rowe, of. Linearity, sonority, structuring, etc allows for improved communication among executives, managers, Department heads employees! Multimedia in communication an overview of multimedia content-based retrieval and similarity search, and software, can. Consecutive frames are used to detect scene changes, too taken from the State University of California -.. Fade in and fade out makes the script more complicated and less flexible she earned a PhD computer. That are used to derive camera motion such as histograms and structures, are in. Of analysis, usually only the DC components are used in the frequency domain tailor content ads... Can also be used Hardware: on which the data volume you intend to introduce within any field terminologically perspective... The query is when properties of things, their relationships be deferred until some syntactic features of a.... Scene that has detailed texture there are a couple of advantages and to.

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