Wyniki wyszukiwania dla: Fadi Kurdahi

Pozycje od 1 do 20 spośród 30 wyników

Poprzednia

Następna

artykuł

Hybrid pyramid-DWT-SVD dual data hiding technique for videos ownership protection

Farhan Alenizi, Fadi Kurdahi, Ahmed M. Eltawil, Awad Kh. Al-Asmari

Multimedia Tools and Applications > 2019 > 78 > 11 > 14511- 14547

This paper proposes a hybrid pyramid Discrete-Wavelet-Transform (DWT) Singular-Value-Decomposition (SVD) data hiding scheme for video authentication and ownership protection. The data being hidden will be in the shape of a main color logo image watermark and another secondary Black and White (B&W) logo image. The color watermark will be decomposed to Bit-Slices. A pyramid transform is performed...

rozdział

Resource aggregation for collaborative video from multiple projector enabled mobile devices

Hung Nguyen, Fadi Kurdahi, Aditi Majumder

2016 14th ACM/IEEE Symposium on Embedded Systems For Real-time Multimedia (ESTIMedia) > 1 - 10

2016 ACM/IEEE 14th Symposium on Embedded Systems For Real-time Multimedia (ESTIMedia)

In this paper, we will explore and develop an embedded real time system and associated algorithms that enable an aggregation of limited resource, low-quality, projectionenabled mobile devices to collaboratively produce a higher quality video stream for a superior viewing experience. Such a resource aggregation across multiple projector enabled devices can lead to a per unit resource savings while...

rozdział

A System-Level Exploration of Power Delivery Architectures for Near-Threshold Manycores Considering Performance Constraints

Ioannis Stamelakos, Amin Khajeh, Ahmed Eltawil, Gianluca Palermo, więcej

2016 IEEE Computer Society Annual Symposium on VLSI (ISVLSI) > 484 - 489

2016 IEEE Computer Society Annual Symposium on VLSI (ISVLSI)

Continuous technology scaling and increased demand for computational power have introduced a paradigm shift in manycore design requirements. On the other hand, tight power budgets and limitations of voltage scaling are throttling the ability to optimally exploit the potential of these systems, leading researchers to adopt aggressive voltage scaling techniques such as Near-Threshold Computing (NTC)...

rozdział

A Scalable Embedded JPEG2000 Architecture

Chunhui Zhang, Yun Long, Fadi Kurdahi

Lecture Notes in Computer Science > Embedded Computer Systems: Architectures, Modeling, and Simulation > Architectures and Implementations > 334-343

It takes more than a good tool to shorten the time-to-market window: the scalability of a design also plays an important role in rapid prototyping if it needs to satisfy various demands. The design of JPEG2000 belongs to such cases. As the latest compression standard for still images, JPEG2000 is well tuned for diverse applications, raising different throughput requirements on its composed blocks...

rozdział

MorphoSys: A Coarse Grain Reconfigurable Architecture for Multimedia Applications

Hooman Parizi, Afshin Niktash, Nader Bagherzadeh, Fadi Kurdahi

Lecture Notes in Computer Science > Euro-Par 2002 Parallel Processing > Topic 13 > 844-848

MorphoSys is a reconfigurable architecture for computation intensive applications. It combines both coarse grain and fine grain reconfiguration techniques to optimize hardware, based on the application domain. M2, the current implementation, is developed as an IP core. It is synthesized based on the TSMC 0.13 micron technology. Experimental results show that for multimedia applications MorphoSys has...

rozdział

Design and Analysis of Low Power Image Filters Toward Defect-Resilient Embedded Memories for Multimedia SoCs

Kang Yi, Kyeong Hoon Jung, Shih-Yang Cheng, Young-Hwan Park, więcej

Lecture Notes in Computer Science > Advances in Computer Systems Architecture > 295-308

In the foreseeable future, System-on-Chip design will suffer from the problem of low yield especially in embedded memories. This can be a critical problem in a multimedia application like H.264 since it needs a huge amount of embedded memory. Existing approaches to solve this problem are not feasible given the higher memory defect density rates in technologies below 90 nm. In this paper, we present...

rozdział

RELOCATE: Register File Local Access Pattern Redistribution Mechanism for Power and Thermal Management in Out-of-Order Embedded Processor

Houman Homayoun, Aseem Gupta, Alex Veidenbaum, Avesta Sasan (M.A. Makhzan), więcej

Lecture Notes in Computer Science > High Performance Embedded Architectures and Compilers > Multicore Efficiency, Reliability, and Power > 216-231

In order to reduce register file’s peak temperature in an embedded processor we propose RELOCATE: an architectural solution which redistributes the access pattern to physical registers through a novel register allocation mechanism. RELOCATE regionalizes the register file such that even though accesses within a region are uniformly distributed, the activity levels are spread over the entire register...

rozdział

An Alternative Organization of Defect Map for Defect-Resilient Embedded On-Chip Memories

Kang Yi, Shih-Yang Cheng, Young-Hwan Park, Fadi Kurdahi, więcej

Lecture Notes in Computer Science > Advances in Computer Systems Architecture > 102-113

In this paper, we propose the low power and low area defect map organization for the defect-resilient embedded memory system for multimedia SOCs. Existing approach to build defect map of embedded memories is based on the CAM (Content Addressable Memory) organization. But, it consumes too much power and relatively large chip area. It may be serious problem in the near future for very deep submicron...

rozdział

The MorphoSys Parallel Reconfigurable System

Guangming Lu, Hartej Singh, Ming-hau Lee, Nader Bagherzadeh, więcej

Lecture Notes in Computer Science > Euro-Par’99 Parallel Processing > Topic 9 > 727-734

This paper introduces MorphoSys, a parallel system-on-chip which combines a RISC processor with an array of coarse-grain reconfigurable cells. MorphoSys integrates the flexibility of general-purpose systems and high performance levels typical of application-specific systems. Simulation results presented here show significant performance enhancements for different classes of applications, as compared...

rozdział

Poster Abstract: Unifying Modeling Substrate for Irrigation Cyber-Physical Systems

Davit Hovhannisyan, Fadi Kurdahi, Ahmed Eltawil, Amir Aghakouchak, więcej

2016 ACM/IEEE 7th International Conference on Cyber-Physical Systems (ICCPS) > 1

2016 ACM/IEEE 7th International Conference on Cyber-Physical Systems (ICCPS)

CPS's multi-domain nature is difficult to capture using existing modeling approaches, which produce compartmentalized and complex system simulation models. Unifying models of multi-domain physical phenomena and processes, and man-made artifacts into a single modeling substrate will enable enhanced design of intelligent control algorithms and analytics. Moreover, with use of known modeling abstractions,...

rozdział

DWT-based watermarking technique for video authentication

Farhan Alenizi, Fadi Kurdahi, Ahmed Eltawil, Abdullah Aljumah

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) > 41 - 44

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)

This paper proposes a wavelet watermarking scheme for video authentication. The discrete wavelet transform (DWT) has been used extensively in recent years in watermarking systems. It provides the necessary perceptual invisibility and robustness. In this paper, a DWT process is implemented using orthonormal filters, where the Y-components of the video frames are decomposed using DWT, and a watermark...

rozdział

Intra-body communication model based on variable biological parameters

Ahmed E. Khorshid, Ahmed M. Eltawil, Fadi Kurdahi

2015 49th Asilomar Conference on Signals, Systems and Computers > 948 - 951

2015 49th Asilomar Conference on Signals, Systems and Computers

This paper presents a simple, yet realistic and accurate model for signal transmission through the human body. The model is developed for intra-body communications, covering the range 100 KHz–50 MHz. To gain a deeper insight about the human body gain profile, biological parameters collected from statistical studies, were utilized when deriving the representative circuit model. The resulting model...

artykuł

Cooperative On-Chip Temperature EstimationUsing Multiple Virtual Sensors

Jun Yong Shin, Fadi Kurdahi, Nikil Dutt

IEEE Embedded Systems Letters > 2015 > 7 > 2 > 37 - 40

A variety of dynamic thermal management (DTM) schemes have been proposed to address the adverse effects of high temperatures on a chip. These DTM schemes rely on on-chip thermal sensors to get accurate temperature information over a die, and typically assume on-chip thermal sensors give accurate temperature readings. However, on-chip thermal sensors with small footprint and low power consumption,...

rozdział

Thermal sensor allocation for SoCs based on temperature gradients

Jun Yong Shin, Fadi Kurdahi, Nikil Dutt

Sixteenth International Symposium on Quality Electronic Design > 29 - 34

2015 16th International Symposium on Quality Electronic Design (ISQED)

Recently, numerous techniques have been proposed so that the temperature distribution of a chip can be managed dynamically during its operation, and these dynamic thermal management (DTM) schemes rely on on-chip thermal sensors in order to get the accurate temperature information. The challenging question is how to allocate a proper number of sensors on a die in order to get the accurate thermal information...

artykuł

Mobile Collaborative Video

Kiarash Amiri, Shih-Hsien Yang, Aditi Majumder, Fadi Kurdahi, więcej

IEEE Transactions on Circuits and Systems for Video Technology > 2014 > 24 > 9 > 1594 - 1604

The emergence of pico projectors as a part of future mobile devices presents unique opportunities for collaborative settings, especially in entertainment applications, such as video playback. By aggregating pico projectors from several users, it is possible to enhance resolution, brightness, or frame rate. In this paper we present a camera-based methodology for the alignment and synchronization of...

artykuł

Memristor Multiport Readout: A Closed-Form Solution for Sneak Paths

Mohammed Affan Zidan, Ahmed M. Eltawil, Fadi Kurdahi, Hossam A. H. Fahmy, więcej

IEEE Transactions on Nanotechnology > 2014 > 13 > 2 > 274 - 282

In this paper, we introduce for the first time, a closed-form solution for the memristor-based memory sneak paths without using any gating elements. The introduced technique fully eliminates the effect of sneak paths by reading the stored data using multiple access points and evaluating a simple addition/subtraction on the different readings. The new method requires fewer reading steps compared to...

rozdział

Low overhead correction scheme for unreliable LDPC buffering

Amr M. A. Hussien, Wael M. Elsharkasy, Ahmed M. Eltawil, Fadi Kurdahi, więcej

2013 IEEE Global Conference on Signal and Information Processing > 667 - 670

2013 IEEE Global Conference on Signal and Information Processing (GlobalSIP)

Aggressive voltage overscaling (VOS) has been recently adopted to reduce the power consumption of embedded memories. While this affects reliability, several techniques have been developed to achieve reliable operation under aggressive VOS. In this paper, we present a comprehensive power-performance study of LDPC decoders enabling aggressive VOS to internal memories. We propose a correction scheme...

rozdział

Vision-inspired global routing for enhanced performance and reliability

Jun Yong Shin, Nikil Dutt, Fadi Kurdahi

International Symposium on Quality Electronic Design (ISQED) > 239 - 244

2013 14th International Symposium on Quality Electronic Design (ISQED)

As we enter the deep submicron era, transistors are increasingly added to chips, causing the chips to become hotter in a non-uniform manner. This is due to different processing tasks in different parts of the chips. This thermal gradient also causes a great number of problems such as the reduction in reliability of chips and interconnects due to electromigration, and system performance degradation...

rozdział

Error resilient MIMO detector for memory-dominated wireless communication systems

Muhammad S. Khairy, Chung-An Shen, Ahmed M. Eltawil, Fadi Kurdahi

2012 IEEE Global Communications Conference (GLOBECOM) > 3566 - 3571

GLOBECOM 2012 - 2012 IEEE Global Communications Conference

In current broadband MIMO-OFDM systems such as 3GPP LTE, embedded buffering memories occupy a large portion of chip area and a significant amount of power consumption. Due to the dense structure of memories, they are especially vulnerable to scaling effects such as process variation. These effects (hardware errors) become more pronounced when aggressive voltage scaling is used due to the reduced voltage...

rozdział

Parity-based mono-Copy Cache for low power consumption and high reliability

Ihsen Alouani, Smail Niar, Fadi Kurdahi, Mohamed Abid

2012 23rd IEEE International Symposium on Rapid System Prototyping (RSP) > 44 - 48

2012 23rd IEEE International Symposium on Rapid System Prototyping (RSP)

The power consumption is one of the most important preoccupations of the chip designers. However, reducing power consumption has its negative impact on the circuit. For example, reducing the supply voltage of a microprocessor implies an increase in the probability of process-variation-induced failures. Fault tolerant architectures propose a trade-off by boosting the reliability while reducing power...

Poprzednia

Następna

Opcje filtrowania

Data publikacji

Ustaw własny zakres dat

INFONA - portal komunikacji naukowej

Wyniki wyszukiwania dla: Fadi Kurdahi

Hybrid pyramid-DWT-SVD dual data hiding technique for videos ownership protection

Resource aggregation for collaborative video from multiple projector enabled mobile devices

A System-Level Exploration of Power Delivery Architectures for Near-Threshold Manycores Considering Performance Constraints

A Scalable Embedded JPEG2000 Architecture

MorphoSys: A Coarse Grain Reconfigurable Architecture for Multimedia Applications

Design and Analysis of Low Power Image Filters Toward Defect-Resilient Embedded Memories for Multimedia SoCs

RELOCATE: Register File Local Access Pattern Redistribution Mechanism for Power and Thermal Management in Out-of-Order Embedded Processor

An Alternative Organization of Defect Map for Defect-Resilient Embedded On-Chip Memories

The MorphoSys Parallel Reconfigurable System

Poster Abstract: Unifying Modeling Substrate for Irrigation Cyber-Physical Systems

DWT-based watermarking technique for video authentication

Intra-body communication model based on variable biological parameters

Cooperative On-Chip Temperature EstimationUsing Multiple Virtual Sensors

Thermal sensor allocation for SoCs based on temperature gradients

Mobile Collaborative Video

Memristor Multiport Readout: A Closed-Form Solution for Sneak Paths

Low overhead correction scheme for unreliable LDPC buffering

Vision-inspired global routing for enhanced performance and reliability

Error resilient MIMO detector for memory-dominated wireless communication systems

Parity-based mono-Copy Cache for low power consumption and high reliability

Opcje filtrowania

Data publikacji

Typ publikacji

Słowa kluczowe

Zbiór danych

Czasopismo

INFONA - portal komunikacji naukowej

Wyniki wyszukiwania dla: Fadi Kurdahi

Dodaj adresata

Anulowanie wysłania wiadomości

Czy na pewno chcesz anulować wysłanie wiadomości?

Wyślij wiadomość

Opcje filtrowania

Data publikacji

Ustawianie zakresu dat

Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.

Typ publikacji

Słowa kluczowe

Zbiór danych

Czasopismo

Zgłaszanie błędu / nadużycia

Nieudane wysłanie zgłoszenia

Ułatwienia dostępu