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Now showing items 11-20 of 29
Wavelets and filter banks: novel approaches for real and complex-valued transform designs
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
Processing of natural images stored as 2-D discrete signals is an inevitable task in almost all areas of image processing. In order to have the desired processing results, directional image representation can be considered ...
Design of QbE-STD System: audio representation and matching perspective
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
The retrieval of the spoken document and detecting the query (keyword) within the audio document have attained huge research interest. The problem of retrieving audio documents and detecting the query (keyword) using a ...
Dense disparity estimation using stereo images
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
"“Stereo vision” refers to the ability to infer information on the three-dimensional (3D) structure and distance/depth of a scene using two images captured from different view-points. It imitates one of the tasks performed ...
Efficient, revocable and auditable access over encrypted cloud data
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
Cloud data outsourcing services can potentially help reduce the IT budget of organizations. However, they pose significant risks to the security and privacy of the data as the data is outsourced to untrusted third-party ...
Design and analysis of distortion reduction techniques in direct conversion receiver
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
Direct-conversion is alternative wireless receiver architecture to the well-established super heterodyne architecture. Direct-conversion receiver (DCR) can offer highly integrated, low-power and low-cost hardware Solutions ...
Signal processing methods for robust heart rate estimation from multimodal physiological signals
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
Cardiovascular diseases are the major cause of world-wide mortality. Heart rate (HR) and heart rate variability (HRV) are important health parameters to monitor functioning of heart of cardiac patients. Multimodal physiological ...
Distant supervision for relation extraction from text
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
"Relation Extraction(RE) is an important part of Information Extraction(IE) which helps to extract facts from unstructured textual data. Supervised relation extraction is challenged by domain dependence and high labeling ...
Log based method for faster IoT queries
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
With increase in the size of Internet of Things IoT device networks and applications, tremendous increase is witnessed in the size of IoT data. To build smart applications using IoT data, its efficient storage is important ...
Generic approach based accident detection and notification system for motor-vehicles
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
"In today’s world, the inventions of powerful automobile engines have increased the speed of transportation. As a result the situation has become more vulnerable to the fatal accidents. In order to reduce these fatalities, ...
Adaptive learning based directional medium access control (MAC) protocol for MillimeterWave communications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
"The technological advancement demands for more bandwidth and high data rates. These requirement can be fulfilled using millimeter wave band (mmWave) 57-64 GHz which has 7 GHz bandwidth. This ample amount of bandwidth is ...