Joy Bhattacharjee (41 results)

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Taschenbuch. Condition: Neu. An Analysis of Different Compression Techniques | Joy Bhattacharjee (u. a.) | Taschenbuch | 88 S. | Englisch | 2014 | LAP LAMBERT Academic Publishing | EAN 9783659579899 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This work addresses the area of the data compression as it is applicable to the image processing. An analysis of the Discrete Cosine Transformation, Wavelet Transformation (Haar Transformation) and Simultaneous Encryption and Compression are made. These three image compression strategies are examined for their relative effectiveness. Finally a performance comparison is made between these techniques (on variety of Standard Test Images considering parameters such as data reduction ratios). 88 pp. Englisch.…

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Choubey Dilip KumarCurrently, He is Pursuing Ph.D from Birla Institue of Technology (B.I.T), Mesra, Ranchi, India. He received his M.Tech, and B.E. degree from RGPV University Bhopal, India.He worked as an Asst. Prof. in Lakshmi Nara.…

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Bhattacharjee JoyJoy Bhattacharjee studied at R.G.P.V , Bhopal India , presently working as Asst. Prof at oriental College of Technology, Bhopal India.Dr. Sanjeev Sharma Head School of Information Technology,Rajiv Gandhi Technologic.…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Web database is a combination of database and web technology. Web database is placed on the internet, there are many security problems. Web and distributed databases play the key role in most of these web applications and thus it is critical to protect them from unauthorized access and malicious attacks. The secrecy and the integrity are two important demands of security system. When database access control and the network security are addressed separately, the security systems are not optimized sufficiently as a whole. The proposed method of integrating network security with criterion based access control to handle network security and the fine grained web database access control simultaneously. This access control mechanism is applicable for any existing web databases and is capable to prevent many kinds of attacks, thus significantly decreases the web databases attack surface. The model has implemented in college database and performance is evaluated. Whenever any unauthorized user altered the data a system called Web-Secure report to the authorized user via E-mail or SMS. The implemented model is suitable for web database security and loss is minimized when there is an attack.…

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This work addresses the area of the data compression as it is applicable to the image processing. An analysis of the Discrete Cosine Transformation, Wavelet Transformation (Haar Transformation) and Simultaneous Encryption and Compression are made. These three image compression strategies are examined for their relative effectiveness. Finally a performance comparison is made between these techniques (on variety of Standard Test Images considering parameters such as data reduction ratios).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 88 pp. Englisch.…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This work addresses the area of the data compression as it is applicable to the image processing. An analysis of the Discrete Cosine Transformation, Wavelet Transformation (Haar Transformation) and Simultaneous Encryption and Compression are made. These three image compression strategies are examined for their relative effectiveness. Finally a performance comparison is made between these techniques (on variety of Standard Test Images considering parameters such as data reduction ratios).…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Las bases de datos web son una combinación de bases de datos y tecnología web. Las bases de datos web se encuentran en Internet, por lo que existen muchos problemas de seguridad. Las bases de datos web y distribuidas desempeñan un papel fundamental en la mayoría de estas aplicaciones web, por lo que es fundamental protegerlas del acceso no autorizado y los ataques maliciosos. La confidencialidad y la integridad son dos requisitos importantes de los sistemas de seguridad. Cuando el control de acceso a las bases de datos y la seguridad de la red se abordan por separado, los sistemas de seguridad no están suficientemente optimizados en su conjunto. El método propuesto integra la seguridad de la red con el control de acceso basado en criterios para gestionar simultáneamente la seguridad de la red y el control de acceso a las bases de datos web de forma detallada. Este mecanismo de control de acceso es aplicable a cualquier base de datos web existente y es capaz de prevenir muchos tipos de ataques, lo que reduce significativamente la superficie de ataque de las bases de datos web. El modelo se ha implementado en la base de datos de una universidad y se ha evaluado su rendimiento. Cada vez que un usuario no autorizado altera los datos, un sistema llamado Web-Secure envía un informe al usuario autorizado por correo electrónico o SMS. El modelo implementado es adecuado para la seguridad de las bases de datos web y minimiza las pérdidas en caso de ataque.…

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