Secure communication based on ambient audio
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Ecway Technologies provides IEEE projects and software developments with offices in multiple cities in Tamil Nadu, India. They can be contacted by cell phone or through their website. The abstract discusses establishing a secure communication channel between devices based on similar ambient audio patterns without directly exchanging audio data or feature information. Audio fingerprints are extracted from ambient sounds and error correcting codes are used to account for noise in the fingerprints. The feasibility of using this "fuzzy cryptography" scheme is experimentally verified in four realistic settings and a laboratory experiment. Statistical tests show the fingerprints have high entropy. The proposed method provides cryptographic security in an unobtrusive way based on contextual information.
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Ph: 9841103123, 044-42607879
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Secure communication based on ambient audio
1) The document proposes establishing a secure communication channel between devices based on similar ambient audio patterns, without exchanging information about the audio itself or features used to generate cryptographic keys.
2) It explores using audio fingerprinting and error correcting codes to account for noise in fingerprints, allowing parameters to be adjusted based on environmental conditions.
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For Details, Contact TSYS Academic Projects.
Ph: 9841103123, 044-42607879
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logo ppt.pptx
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ECWAY TECHNOLOGIES provides IEEE projects and software developments with offices in multiple cities in India. They can be contacted by phone or online.
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ECWAY TECHNOLOGIES provides IEEE projects and software developments with offices in multiple cities in India. They can be contacted by phone or online.
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ECWAY TECHNOLOGIES provides IEEE projects and software developments with offices in multiple cities in India. They can be contacted by phone or online.
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This document summarizes a study on clustering probabilistic graphs. The study extends the definition of graph clustering to probabilistic graphs by establishing a connection between the objective function and correlation clustering. This allows the development of practical approximation algorithms. The methods can discover the correct number of clusters in a probabilistic protein-protein interaction network and identify established protein relationships. The techniques also proved practical on a large social network of one billion edges.
Cloudsim t-drive enhancing driving directions with taxi drivers’ intelligence
This paper presents a smart driving direction system that leverages taxi drivers' intelligence and experience. GPS-equipped taxis act as mobile sensors to model the dynamic traffic patterns of a city. A time-dependent landmark graph models traffic patterns and experienced drivers' route choices to provide users with the practically fastest route to a destination at a given departure time. A clustering approach estimates travel times between landmarks in different time slots. A two-stage routing algorithm then computes a customized, practically fastest route for the user based on this graph and real-world trajectory data from over 33,000 taxis over three months. Evaluation found that 60-70% of routes suggested were faster than alternatives, with 20% sharing results, and on average routes
Cloudsim ranking on data manifold with sink points
ECWAY Technologies provides IEEE projects and software development services from its offices in multiple cities across India. The document discusses a novel ranking approach called Manifold Ranking with Sink Points (MRSP) that addresses diversity, relevance, and importance in ranking. MRSP uses manifold ranking over a data manifold to find the most relevant objects while turning already ranked objects into "sink points" to prevent redundant objects from receiving a high rank. Experimental results on update summarization and query recommendation tasks show MRSP performs strongly compared to existing ranking approaches by better addressing the importance of diversity in ranking.
Cloudsim quality-differentiated video multicast in multirate wireless networks
This document describes a quality-differentiated video multicast scheme for multirate wireless networks called QDM. QDM aims to provide heterogeneous clients with differentiated video qualities matching their channel conditions. It first proposes a rate scheduling model to select the optimal transmission bitrate for each video frame to maximize total visual quality subject to minimum quality guarantees. It then presents QDM, a practical protocol that constructs a cluster-based structure to characterize heterogeneity and adapts transmission rates based on video quality perceived by representative cluster heads. Simulation results show QDM can efficiently adapt to network dynamics and variable video bitrates, producing a 2-5 dB gain in average video quality over leader-based approaches.
Cloudsim power allocation for statistical qo s provisioning in opportunistic...
The document proposes a power allocation scheme for statistical quality-of-service provisioning in multi-relay cognitive networks. The scheme first chooses between direct transmission or relay transmission based on channel state information. It then performs efficient power allocation according to the transmission mode under average transmit power constraints, interference power constraints, and a peak interference constraint to meet quality-of-service requirements. Simulations show the proposed scheme outperforms max-min criterion and equal power allocation policies by achieving higher throughput while involving at most two relays for transmission.
Cloudsim distributed web systems performance forecasting using turning bands...
The document discusses using the Turning Bands method to forecast the performance of distributed web systems. Real-life data was obtained from an experiment monitoring a group of web servers worldwide using an agent system called MWING located in different parts of Poland. The results showed good quality in predicting web performance when European web servers were monitored from an agent in Gliwice, Poland using the Turning Bands method.
Cloudsim distributed processing of probabilistic top-k queries in wireless s...
This document summarizes a paper on distributed processing of probabilistic top-k queries in wireless sensor networks. It introduces the concepts of sufficient and necessary sets, which can facilitate localized data pruning in clusters. It then describes three algorithms - sufficient set-based, necessary set-based, and boundary-based - for intercluster query processing with bounded communication rounds. Finally, it presents an adaptive algorithm that dynamically switches between the three algorithms to minimize transmission cost, and experimental results showing the algorithms significantly reduce data transmission with small constant communication rounds, with the adaptive algorithm performing near-optimally under various conditions.
Civil 2013 titles
This document contains 15 titles for civil engineering projects related to structural analysis. The titles cover topics like analyzing beams, trusses, bridges, dams, and other structures under different loads and conditions using methods like finite element analysis. The analyses will determine factors like deflection, stresses, and dynamic response for various civil and building components.
Chopper based dc motor speed control
This document discusses using a chopper circuit to control the speed of a DC motor. A chopper circuit uses MOSFETs to vary the voltage applied to the motor, allowing for remote speed control. This method is more efficient and compact than previous variable resistor and transformer-based controls. Pressing buttons on the chopper circuit varies the MOSFET firing angle, decreasing motor speed as the firing angle increases. The chopper control reduces motor current, losses, temperature, noise, and increases lifetime compared to DC operation.
Channel assignment for throughput optimization in multichannel multiradio wir...
ECWAY Technologies provides IEEE projects and software developments with offices in multiple cities in Tamil Nadu, India. They can be contacted via phone or email.
The document discusses a channel assignment algorithm for throughput optimization in multi-radio wireless mesh networks using network coding. It formulates the joint problem of random network coding, channel assignment, and broadcast link scheduling while taking into account opportunistic overhearing, interference constraints, coding constraints, number of channels, radios per node, and fairness between unicast connections. An auction-based suboptimal solution is developed for overall network throughput optimization. Evaluation shows the algorithm can effectively use multiple radios and channels and handle fairness issues from auctions, with promising gains over traditional routing solutions
Channel allocation and routing in hybrid multichannel multiradio wireless mes...
The document discusses channel allocation and routing in hybrid multichannel multiradio wireless mesh networks. It proposes an Adaptive Dynamic Channel Allocation (ADCA) protocol that considers both throughput and delay optimization in channel assignment. It also proposes an Interference and Congestion Aware Routing (ICAR) protocol for hybrid networks with static and dynamic links that balances channel usage. Simulation results show that ADCA reduces packet delay significantly without degrading throughput, and the hybrid architecture adapts better to changing traffic than static-only architectures with lower overhead and delay than existing hybrid network approaches.
Casual stereoscopic photo authoring
Ecway Technologies provides IEEE projects, software developments, and casual stereoscopic photo authoring. It has offices in multiple cities across India. Ecway's casual stereoscopic photo authoring method takes two images or video frames from a regular monocular camera as input and transforms them into a stereoscopic image pair for 3D viewing. The method uses a perceptual-plausible image rectification algorithm that warps the input pairs to meet stereoscopic geometric constraints while avoiding visual distortion. It formulates the warping problem as a quadratic energy minimization solved using a sparse linear solver. The method also allows local and global disparity adjustments for adapting stereoscopic images to different viewing conditions. Experiments show Ecway's spatially-varying war
Casual stereoscopic photo authoring
Ecway Technologies provides software development and IEEE projects services from offices located in multiple cities across India. They can be contacted via phone or email on their website at www.ecwayprojects.com.
The paper presents a method for easy stereoscopic photo authoring using a regular monocular camera. It takes two input images or video frames and transforms them into a stereoscopic image pair for pleasant 3D viewing. This is done through a perceptual-plausible image rectification algorithm that warps the input pairs to meet stereoscopic geometric constraints while avoiding visual distortion. The warping uses spatially-varying mesh-based warps that encode various constraints to best meet the stereoscopic geometry and minimize distortion. Experiments show the
Capacity of hybrid wireless mesh networks with random a ps
This paper proposes a hybrid wireless mesh network (WMN) architecture that allows the backbone to utilize random connections to access points (APs) in a wireless local area network (WLAN). Theoretical analysis shows that the capacity of a three-tier hybrid WMN is affected by the number of mesh router cells connected to APs, the ratio of access link bandwidth to backbone link bandwidth, and traffic balance among routers with AP access. Simulation results demonstrate that configuring APs and balancing traffic can significantly improve network capacity in the proposed hybrid architecture by taking advantage of wired connections through APs.
Bomb detection robot with wireless camera
This prototype robot is designed to help bomb squads by remotely detecting bombs and obstacles. It uses sensors to detect metals and obstacles as it moves through an area, sending that information back to operators via a wireless camera and computer. The robot is controlled remotely using the camera feed while sensors transmit detection data to a base station, which displays the information and sounds an alarm if metals are found.
Bed side patients monitoring system with emergency alert
The document describes a bedside patient monitoring system that measures temperature data using a portable medical monitoring unit. The unit contains a microcontroller, sensor board, and processing system to manage information, analyze data in real-time, and provide warnings for emergencies or abnormal diagnoses. The system takes a patient's temperature, converts it to digital using an ADC, and sends it to the microcontroller for processing. If the temperature exceeds a threshold, the system sounds a buzzer for notification.
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Coloring based inter-wban scheduling for mobile wireless body area networks
Coloring based inter-wban scheduling for mobile wireless body area networks
Code modulation based encryption & decryption technique for secure communicat...
Code modulation based encryption & decryption technique for secure communicat...
Clustering sentence level text using a novel fuzzy relational clustering algo...
Clustering sentence level text using a novel fuzzy relational clustering algo...
Cloudsim t-drive enhancing driving directions with taxi drivers’ intelligence
Cloudsim t-drive enhancing driving directions with taxi drivers’ intelligence
Cloudsim ranking on data manifold with sink points
Cloudsim ranking on data manifold with sink points
Cloudsim quality-differentiated video multicast in multirate wireless networks
Cloudsim quality-differentiated video multicast in multirate wireless networks
Cloudsim power allocation for statistical qo s provisioning in opportunistic...
Cloudsim power allocation for statistical qo s provisioning in opportunistic...
Cloudsim distributed web systems performance forecasting using turning bands...
Cloudsim distributed web systems performance forecasting using turning bands...
Cloudsim distributed processing of probabilistic top-k queries in wireless s...
Cloudsim distributed processing of probabilistic top-k queries in wireless s...
Channel assignment for throughput optimization in multichannel multiradio wir...
Channel assignment for throughput optimization in multichannel multiradio wir...
Channel allocation and routing in hybrid multichannel multiradio wireless mes...
Channel allocation and routing in hybrid multichannel multiradio wireless mes...
Capacity of hybrid wireless mesh networks with random a ps
Capacity of hybrid wireless mesh networks with random a ps
Bed side patients monitoring system with emergency alert
Bed side patients monitoring system with emergency alert
Secure communication based on ambient audio
- 1. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE CELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111 VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com SECURE COMMUNICATION BASED ON AMBIENT AUDIO ABSTRACT: We propose to establish a secure communication channel among devices based on similar audio patterns. Features from ambient audio are used to generate a shared cryptographic key between devices without exchanging information about the ambient audio itself or the features utilized for the key generation process. We explore a common audio-fingerprinting approach and account for the noise in the derived fingerprints by employing error correcting codes. This fuzzycryptography scheme enables the adaptation of a specific value for the tolerated noise among fingerprints based on environmental conditions by altering the parameters of the error correction and the length of the audio samples utilized. In this paper, we experimentally verify the feasibility of the protocol in four different realistic settings and a laboratory experiment. The case studies include an office setting, a scenario where an attacker is capable of reproducing parts of the audio context, a setting near a traffic loaded road, and a crowded canteen environment. We apply statistical tests to show that the entropy of fingerprints based on ambient audio is high. The proposed scheme constitutes a totally unobtrusive but cryptographically strong security mechanism based on contextual information.