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Yusuf Leblebici

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Related publications (400)

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Enhanced Omnidirectional Image Reconstruction Algorithm and its Real-Time Hardware

Yusuf Leblebici, Alexandre Schmid, Hossein Afshari, Abdulkadir Akin

Omnidirectional stereoscopy and depth estimation are complex problems of image processing to which the Panoptic camera offers a novel solution. The Panoptic camera is a biologically-inspired vision sensor made of multiple cameras. It is a polydioptric syst ...

2012

Prospects for logic-on-a-wire

Giovanni De Micheli, Mihai Adrian Ionescu, Yusuf Leblebici, David Atienza Alonso, Didier Bouvet, Kirsten Emilie Moselund, Mohamed Haykel Ben Jamaa

In this paper we present the top-down fabrication of gate-all-around (GAA) and body-tied @W-gate devices by a combination of etching and oxidation steps resulting in a local silicon-on-insulator structure. The GAA has advantages in terms of enhanced curren ...

2008

Analytical and compact models of the ONO capacitance in embedded non-volatile flash devices

Yusuf Leblebici, Alexandre Schmid, Davide Garetto

The floating gate (FG) potential VFG in a non–volatile flash memory (NVM) device is the main parameter controlling the behavior of the cell. A common technique to model VFG is based on the calculation of the coupling coefficients between all the terminals ...

2009

Dynamic Thermal Management in 3D Multicore Architectures

Yusuf Leblebici, David Atienza Alonso, José Luis Ayala Rodrigo

Technology scaling has caused the feature sizes to shrink continuously, whereas interconnects, unlike transistors, have not followed the same trend. Designing 3D stack architectures is a recently proposed approach to overcome the power consumption and dela ...

IEEE and ACM2009

A Time-Division Multiplexing Signaling Scheme for Inter-Symbol/Channel Interference Reduction in Low-Power Multi-Drop Memory Links

Yusuf Leblebici, Seyed Armin Tajalli, Gain Kim, Kiarash Gharibdoust, Chen Cao

A time-division multiplexing (TDM) digital channel coding scheme with inter-symbol interference (ICI) reduction property for multi-drop memory interfaces has been proposed. Shaping the TX spectrum to avoid channel frequency notches, the proposed digital TD ...

Ieee-Inst Electrical Electronics Engineers Inc2017

New probe immobilizations by lipoate-diethalonamine or ethylene-glycol molecules for capacitance DNA chip

Bruno Samori, Giovanni De Micheli, Yusuf Leblebici, Sandro Carrara, Luca Benini, Andrea Cavallini

Label–free DNA detection is of crucial role to when developing point-of-care biochips to be used in personalized therapy. Capacitance detection is a promising technology for label-free DNA detection. However, data published in literature often show evident ...

2009

A Subthreshold Current-Sensing Sigma-Delta Modulator for Low-Voltage and Low-Power Sensor Interfaces

Yusuf Leblebici, Alexandre Schmid, Seyed Armin Tajalli, Nikola Katic

A continuous-time (CT) ΣΔ modulator for sensing and direct analog-to-digital conversion of nA-range (subthreshold) currents is presented in this work. The presented modulator uses a subthreshold technique based on subthreshold source-coupled logic cells to ...

Wiley2015

Vertically-stacked gate-all-around polysilicon nanowire FETs with sub-μm gates patterned by nanostencil lithography

Giovanni De Micheli, Yusuf Leblebici, Jürgen Brugger, Andreea Veronica Savu, Davide Sacchetto, Michail Zervas, Shenqi Xie

We report on the top-down fabrication of vertically-stacked polysilicon nanowire (NW) gate-all-around (GAA) field-effect-transistors (FET) by means of Inductively Coupled Plasma (ICP) etching and nanostencil lithography. The nanostencil is used to form sub ...

Elsevier2012

Real-time high-resolution omnidirectional imaging platform for drone detection and tracking

Jean-Philippe Thiran, Yusuf Leblebici, Vladan Popovic, Selman Ergünay, Bilal Demir

Drones have become steadily affordable, which raises privacy and security concerns as well as interest in drone detection systems. On the other hand, drone detection is a challenging task due to small dimensions of drones, difficulty of long-distance detec ...

SPRINGER HEIDELBERG2020

Analysis of defect capture cross sections using non-radiative multiphonon-assisted trapping model

Yusuf Leblebici, Alexandre Schmid, Davide Garetto

A multiphonon-assisted model included in a Poisson-Schroedinger solver has been applied to the calculation of the capture/emission trapping rates of CMOS oxide interface defects. The dependencies of trap capture cross-sections with trap energy, depth, appl ...

2012

CMOS realization of two-dimensional mixed analog-digital Hamming distance discriminator circuits for real-time imaging applications

Yusuf Leblebici, Alexandre Schmid

The architecture of an integrated Hamming artificial neural network, and its use as a versatile signal/image processing circuit is presented. The circuit operation relies oil the charge-based processing of sum-of-products terms, complemented with digital p ...

2008

Monolithic Integration of Silicon Nanowires With a Microgripper

Yusuf Leblebici, Michail Zervas

Si nanowire (NW) stacks are fabricated by utilizing the scalloping effect of inductively coupled plasma deep reactive ion etching. When two etch windows are brought close enough, scallops from both sides will ideally meet along the dividing centerline of t ...

Institute of Electrical and Electronics Engineers2009

Vertically Stacked Double Gate Nanowires FETs with Controllable Polarity: From Devices to Regular ASICs

Giovanni De Micheli, Yusuf Leblebici, Pierre-Emmanuel Julien Marc Gaillardon, Luca Gaetano Amarù, Davide Sacchetto, Shashi Kanth Bobba, Michele De Marchi

Vertically stacked nanowire FETs (NWFETs) with gate-all-around structure are the natural and most advanced extension of FinFETs. At advanced technology nodes, many devices exhibit ambipolar behavior, i.e., the device shows n- and p-type characteristics sim ...

2013

Integration of Intra Chip Stack Fluidic Cooling using Thin-Layer Solder Bonding

Yusuf Leblebici, John Richard Thome, Michail Zervas, Yassir Madhour

Three-dimensional (3D) stacking of integrated circuit (IC) dies by vertical integration increases system density and package functionality. The vertical integration of IC dies by area-array Through-Silicon-Vias (TSVs) reduces the length of global interconn ...

IEEE2013

A Widely-Tunable and Ultra-Low-Power MOSFET-C Filter Operating in Subthreshold

Yusuf Leblebici, Seyed Armin Tajalli

A very wide tuning range ultra-low-power MOSFET-C filter is presented. The wide tuning range in this filter has been achieved without using any switchable components or programmable building blocks, and the cutoff frequency of the filter can be adjusted si ...

IEEE2009

Nanomechanical Modeling of the Bending Response of Silicon Nanowires

Yusuf Leblebici, Zuhal Tasdemir

Understanding the mechanical behavior of silicon nanowiresis essentialfor the implementation of advanced nanoscale devices. Although bendingtests are predominantly used for this purpose, their findings shouldbe properly interpreted through modeling. Variou ...

AMER CHEMICAL SOC2023

Neuromorphic Computing Using Non-Volatile Memory

Yusuf Leblebici, Irem Boybat Kara, Abu Sebastian, Severin Sidler, Alessandro Fumarola

Dense crossbar arrays of non-volatile memory (NVM) devices represent one possible path for implementing massively-parallel and highly energy-efficient neuromorphic computing systems. We first review recent advances in the application of NVM devices to thre ...

2016

A Real-time Multi-aperture Omnidirectional Visual Sensor Based on Interconnected Network of Smart Cameras

Yusuf Leblebici, Alexandre Schmid, Vladan Popovic, Hossein Afshari, Kerem Seyid, Abdulkadir Akin, Ömer Cogal

Centralized and multi-level implementations of the Panoptic omnidirectional multiaperture visual system were previously presented by the authors, relying on transmission of all camera outputs to a single central processing node for omnidirectional image an ...

Institute of Electrical and Electronics Engineers2015

A Monolithic Approach to Downscaling Silicon Piezoresistive Sensors

Yusuf Leblebici

Multi-scale integration remains the primary challenge in the fabrication of miniature piezoresistive sensors, as the co-fabrication of a silicon nanowire along with a microscale shuttle is the main architecture facilitating high-sensitivity transduction. T ...

Institute of Electrical and Electronics Engineers2017

Real-time FPGA implementation of linear blending vision reconstruction algorithm using a spherical light field camera

Yusuf Leblebici, Alexandre Schmid, Vladan Popovic, Hossein Afshari, Abdulkadir Akin

A custom spherical light-field camera used as a polydioptric system where imagers are distributed over a spherical geometry, each having its own vision of the surrounding and distinct focal plane. The spherical light-field camera is also an omnidirectional ...

2012