Browsing by Subject "Computer science"
Now showing items 1-20 of 22
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Bidirectional service composition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)Service is a network addressable software component to perform a specific task. A service consumes given input parameters, performs specific task based on input parameters and returns the result in terms of output parameters. ... -
Design and development of an ontology for an agriculture information system
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Conceptual structures (Information theory); Knowledge representation (Information theory); Semantic networks (Information theory). Traditional sources of information like books, agricultural extension officer are unable ... -
Distributed caching mechanism for video on demand on the Internet
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)Video on Demand applications in the Internet are delay sensitive and highly resource intensive applications. Such applications require streaming of large video files in a time bound manner. Because large volume in terms ... -
Efficient ASIC implementation of advanced encryption standard
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)In spite of the many defense techniques, software vulnerabilities like buffer overflow, format string vulnerability and integer vulnerability is still exploited by attackers. These software vulnerabilities arise due to ... -
Event-driven service-oriented architecture for dynamic composition of Web services
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)The Business process contains a set of services to fulfill its goal. The Service is a software component to perform a specific activity of a business process. The Business processes are event-driven and change frequently ... -
Eye localization in video: a hybrid approach
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)Location of eyes is an important process for operations such as orientation correction, which are necessary pre-processes for face recognition. As eyes are one of the main features of the human face, the success of facial ... -
Formal semantic analysis and modeling of natural language Wh-question
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)The problem of Natural Language Query Formalization is to understand the semantics of a user given query in natural language (NL) and then translating the query into a formal language (FL) such that the FL semantic ... -
FPGA implementation of direct sequence spread spectrum techniques
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)This work presents the performance, noise analysis and FPGA implementation of Direct Sequence Spread Spectrum technique. Performance of signal increases as increasing parity bits in Hamming code algorithm. Increasing parity ... -
FPGA implementation of image compression algorithm using wavelet transform
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)This work presents FPGA implementation of image compression algorithm by using wavelet transform. Here the emphasis has been made on algorithmic encoding, the first step of image compression problem. The transform that has ... -
Low cost design of IFFT module for dolby AC-3 decoder
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)Dolby AC-3 is a flexible audio data compression technology capable of encoding a range of audio channel formats into a low rate bit stream. AC-3 is the de facto audio standard for high-end digital consumer multimedia ... -
Migration in initial and dynamic virtual machine placement algorithms
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)Cloud computing provides a computing platform for the users to meet their demands in an efficient way. Virtualization technologies are used in the clouds to aid the efficient usage of hardware. Virtual machines are utilized ... -
Multipath verification defense against SSL stripping attack
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)SSL stripping attack is a man- in- the- middle attack which poses a serious threat to the security of secure socket layer protocol. In SSL stripping attack the attacker has ability to downgrade security of SSL protected ... -
Music genre classification using principal component analysis and auto associative neural network
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)The aim of music genre classification is to classify music pieces according to their style. Principal Component Analysis (PCA) is applied on raw music signals to capture the major components for each genre. As a large ... -
Negotiation for resource allocation on infrastructure as a service cloud
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)The Cloud is a computing platform that provides dynamic resource pools, virtualization, and high availability. Cloud computing infrastructures can allow enterprises to achieve more efficient use of their IT hardware and ... -
On size balanced binary search trees
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)History independent data structures are useful when security and privacy are of primary concern. Even if an adversary gets copy of the data structure, he cannot obtain any additional information beyond its content. Important ... -
Particle swarm optimization based synthesis of analog circuits using neural network performance macromodels
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)This thesis presents an efficient an fast synthesis procedure for an analog circuit. The proposed synthesis procedure used artificial neural network (ANN) models in combination with particle swarm optimizer. ANN has been ... -
Path complexity of maximum segment sum problem
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)Various software complexity metrics have been proposed in literature. A program complexity measure called path complexity is proposed in [1]. Path complexity P(A,n) of an algorithm A is defined to be the number of program ... -
Path complexity of the class binary search tree
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)Path complexity of a program is defined as the number of program execution paths as a function of input size n. This notion of program complexity has been extended to complexity of a class as follows. Class had data members ... -
Resource allocation on infrastructure as a service cloud using policies
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)Conventionally, a cloud refers to an Infrastructure as a service cloud. Infrastructure as a service cloud providers manage a large set of computing resources. These resources can be provided to cloud users on demand in the ... -
Study of bayesian learning of system characteristics
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)This thesis report basically deals with the scheduling algorithms implemented in our computer systems and about the creation of probabilistic network which predicts the behavior of system. The aim of this thesis is to ...