INFORMATICA‚ 2004‚ Vol. 15‚ No. 1‚ 127–142 2004 Institute of Mathematics and Informatics‚ Vilnius 127 High Capacity Data Hiding in JPEG-Compressed Images Hsien-Wen TSENG‚ Chin-Chen CHANG Department of Computer Science and Information Engineering National Chung Cheng University Chaiyi‚ Taiwan 621‚ R.O.C. e-mail: {hwtseng‚ccc}@cs.ccu.edu.tw Received: March 2003 Abstract. The JPEG image is the most popular file format in relation to digital images. However‚ up to the present time‚ there seems
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informatica: What r the kinds of lookup? You can configure the Lookup transformation to perform different types of lookups. You can configure the transformation to be connected or unconnected‚ cached or uncached: Connected or unconnected. Connected and unconnected transformations receive input and send output in different ways. Cached or uncached. Sometimes you can improve session performance by caching the lookup table. If you cache the lookup table‚ you can choose to use a dynamic or static cache
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computer science‚ pp.310-232‚ 2003. [9]J [10]JozsefLenti‚“StegnographicMethods”‚PeriodicaPolytechnica4‚ pp.249–258‚ 2000. [11] Kristy Westphal “Stegnography Revealed”‚ Security focus‚pp.2-28‚ 2003-04-0 [12] K [13] M.Madavi‚ S.Samavi‚ V.Sabeti‚ “Transform domain steganography using random blocking for uncompressed images”‚ 4th Iranian Society of Cryptology Conference‚ pp.292-295‚ 2007. [14] M [15] NeilF.Johnson‚ “Stegnography” Technical report IEEE Computer‚ pp.26-34‚ 1995. [16] N.Provos‚ “Defending
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Christianity Transformed the Roman Empire Christianity started with Jesus. Jesus had many followers that spread the good news about Christianity not only in Rome but to its surrounding countries. New ideas can change people and places rapidly. These ideas had an impact on the family life of Romans‚ the Pax Romana‚ the Roman Tolerance for other religions‚ and the Rebirth of Roman State Religion. The family life of Romans was changed. Paterfamilias is where the male is the head of the household and
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Data Marts Advantages The implementation of data marts enable users to gain faster access to common data utilizing a technique called dimensional data modeling‚ which optimizes data for reports. For example‚ since data is prepared in common format‚ users with little or not training at all‚ can browse a data mart and obtain information as needed. Data marts can improve end user response time‚ as it contains raw data which allows computer systems to focus on a single task‚ thus‚ improving performance
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Case Study: Continental Airlines Takes Off with Real-time Business Intelligence Continental’s Teradata active data warehouse provides a powerful platform for quickly developing and deploying applications in revenue management‚ customer relationship management‚ flight and ground operations‚ fraud detection‚ security‚ and others‚ and the applications are generating quantifiable benefits for Continental. Real-time data denotes information that is delivered immediately after collection. There is
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Data Cleansing/Scrubbing The concept of information cleansing / scrubbing is to improve the quality of organizational information and thus the effectiveness of decision making businesses must formulate a strategy to keep information clean. This is a process that weeds out and fixes or discards inconsistent‚ incorrect‚ or incomplete information. Specialized software tools use sophisticated algorithms to parse‚ standardize‚ correct‚ match and consolidate data warehouse information. This is vitally
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Case Study: A Data Warehouse for an Academic Medical Center Jonathan S. Einbinder‚ MD‚ MPH; Kenneth W. Scully‚ MS; Robert D. Pates‚ PhD; Jane R. Schubart‚ MBA‚ MS; Robert E. Reynolds‚ MD‚ DrPH ABSTRACT The clinical data repository (CDR) is a frequently updated relational data warehouse that provides users with direct access to detailed‚ flexible‚ and rapid retrospective views of clinical‚ administrative‚ and financial patient data for the University of Virginia Health System. This article presents
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From tattoos to piercings‚ tanning salons and botox booths‚ people have always been fascinating with modifying their body. Since early colonial travel‚ different ideals of beauty have been of interest. Seventeenth century physician and natural philosopher John Bulwer demonstrated the fascinating observations of early English colonialists’ in his book Anthropometamorphosis: Man Transform’d‚ or The Artificial Changeling. The book‚ released in 1653‚ describes how different cultures modify the body for
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During his time as prime minister Gough Whitlam‚ and his government were able to transform the rights of indigenous Australians through reformed policies. • Additionally Gough Whitlam introduced the policies‚ which changed the rights of women and challenged the social norms of the current time. Gough Whitlam transformed women’s rights
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