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Structure indexed vertical partition and query execution for RDF data
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
The Semantic Web is an effort by the W3C to enable integration and sharing of data across different applications and organizations. Tremendous growth of organizations and applications across World Wide Web requires the ...
Tikitaka based attack strategy for soccer simulation 2D
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Soccer Simulation 2D has grown as a testbed for MultiAgent research over the years. As it provides a complete distributed platform for simulating the algorithm proposed. I have also used the same platform for my ...
Understanding user intent in community question answering
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Yahoo! Answers, Quora like Community Question Answering (CQA) services are mainly created to remove the limitation of Web search engines by helping users to get information from a community. This CQA system has the so ...
Vocal tract length normalization for automatic speech recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Various factors affect the performance of Automatic Speech Recognition (ASR) systems. In this thesis, speaker differences due to variations in vocal tract length (VTL) are taken into account. Vocal Tract Length Normalization ...
All-digital delay-line based ultra wide band transmitter architecture in 0.18m CMOS
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Ultra-Wide Band (UWB) technology has recently become a viable option for commercial wireless applications that require high data-rate and ultra low power demand. UWB technology operates between the frequency range of 3.1 ...
Estimating depth from monocular video under varying illumination
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Ability to perceive depth and reconstruct 3D surface of an image is a basic function of many areas of computer vision. Since 2D image is the projection of 3D scene in two dimension, the information about depth is lost. ...
Estimating depth in a single image by learning through neural networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Depth information extraction from images is a vibrant problem in computer vision. Features from the image like: haze, texture gradient and texture variation could give depth-related knowledge. Typically, input features are ...
Image compression using DCT and compressive sensing (CS) theory
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
Data compression is a method of storing the same information with less data or space. There are many techniques available for compressing the image data resulting in reduced storage space. Minimizing storage space minimizes ...
Physical layer security: secrecy capacity analysis for multiuser networks using joint SVD-GSVD precoding technique
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
In this thesis, the problem of Physical Layer (PHY) Security is considered. This problem deals with secure signal transmission for a Multiple-Input Multiple-Output (MIMO) system using a relay i.e. the signal is transmitted ...
Ontology development and query execution for an agro-advisory system
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
In agriculture domain, farmers have queries regarding crop, soil, climate, cultivation process, disease, and pest. They express their queries in a natural language which are usually answered by agriculture experts. Due to ...