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Yusuf Leblebici

Cette personne n’est plus à l’EPFL

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Publications associées (405)

PCM for Neuromorphic Applications: Impact of Device Characteristics on Neural Network Performance

Yusuf Leblebici, Severin Sidler, Irem Boybat Kara, Carmelo Di Nolfo

The impact of Phase Change Memory (PCM) as well as other Non-Volatile Memory (NVM) device characteristics on the quantitative classification performance of artificial neural networks is studied. Our results show that any NVM-based neural network — not just ...

2015

Real-time object detection and tracking in omni-directional surveillance using GPU

Yusuf Leblebici, Vladan Popovic, Florian Vincent Depraz

2015

3.6 GHz CMOS Ring Oscillator with Low Tune Voltage Sensitivity and Temperature Compensation

Yusuf Leblebici, Hasene Gülperi Özsema, Tugba Demirci

In this paper we present the design of a temperature compensated low-tune-voltage-sensitive CMOS ring oscillator in 40nm standard CMOS technology. The oscillator has an overall frequency range from 3.1 GHz to 3.6 GHz. The effect of temperature variations o ...

2015

Structured Sampling and Recovery of iEEG Signals

Yusuf Leblebici, Volkan Cevher, Mahsa Shoaran, Cosimo Aprile, Luca Baldassarre

Wireless implantable devices capable of monitoring the electrical activity of the brain are becoming an important tool for understanding, and potentially treating, mental diseases such as epilepsy and depression. Compressive sensing (CS) is emerging as a p ...

2015

Hardware implementation of real-time multiple frame super-resolution

Yusuf Leblebici, Sébastien Emmanuel Blanc, Kerem Seyid

Super-resolution reconstruction is a method for reconstructing higher resolution images from a set of low resolution observations. The sub-pixel differences among different observations of the same scene allow to create higher resolution images with better ...

2015

A 5.9mW/Gb/s 7Gb/s/pin 8-Lane Single-Ended RX with Crosstalk Cancellation Scheme using a XCTLE and 56-tap XDFE in 32nm SOI CMOS

Yusuf Leblebici, Alessandro Cevrero, Lukas Kull, Volkan Cevher, Thomas Toifl, Cosimo Aprile, Ilter Ozkaya

This work reports an 8-lane single-ended RX featuring compact and low power far-end crosstalk (FEXT) cancellation circuits. The RX data-path consists of a cross continuous-time linear equalizer (XCTLE) to remove FEXT by nearest aggressors within the channe ...

2015

FIR filters for hardware-based real-time multi-band image blending

Yusuf Leblebici, Vladan Popovic

Creating panoramic images has become a popular feature in modern smart phones, tablets, and digital cameras. A user can create a 360 degree field-of-view photograph from only several images. Quality of the resulting image is related to the number of source ...

Spie-Int Soc Optical Engineering2015

A Novel Hybrid Architecture for Real-Time Omnidirectional Image Reconstruction

Yusuf Leblebici, Vladan Popovic, Kerem Seyid, Selman Ergünay

2015

Low-Voltage Read/Write Circuit Design for Transistorless ReRAM Crossbar Arrays in 180nm CMOS Technology

Yusuf Leblebici, Davide Sacchetto, Jury Sandrini, Tugba Demirci, Maxime Victor Thammasack

This paper presents a read-write design solution for passive ReRAM crossbar memory arrays to overcome the sneak current paths problem. The proposed circuitry includes an auto-calibration feature to overcome the sneak current effects during the READ operati ...

2015

MoS2 Transistors Operating at Gigahertz Frequencies

Yusuf Leblebici, Andras Kis, Clemens Benedict Nyffeler, Dominik Sebastian Lembke, Daria Krasnozhon

2015

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

Alexandre Schmid, Yusuf Leblebici, Hossein Afshari, Abdulkadir Akin, Vladan Popovic, Kerem Seyid, 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 Subthreshold Current-Sensing Sigma-Delta Modulator for Low-Voltage and Low-Power Sensor Interfaces

Alexandre Schmid, Yusuf Leblebici, 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

Design optimization of polyphase digital down converters for extremely high frequency wireless communications

Yusuf Leblebici, Gain Kim, Raffaele Capoccia

In this paper, an area-optimized polyphase digital down converter (DDC) architecture is introduced, where the mixers can be completely merged into the polyphase decimation filter under certain conditions. We also introduce an interface architecture, called ...

2015

A Sub-mW Pulse-Based 5-bit Flash ADC with a Time-Domain Fully-Digital Reference Ladder

Alexandre Schmid, Yusuf Leblebici, Radisav Cojbasic, Nikola Katic

Journal article A sub-mW pulse-based 5-bit flash ADC with a time-domain fully-digital reference ladder: A Katic, Nikola; Cojbasic, Radisav; Schmid, Alexandre; Leblebici, Yusuf Published in: Microelectronics Journal (ISSN: 0026-2692), vol. 46, num. 12, ...

Elsevier2015

A Low-power 490 MPixels/s Hardware Accelerator for Pyramidal Decomposition of Images

Yusuf Leblebici, Vladan Popovic

2015

Real-Time Omnidirectional Imaging System with Interconnected Network of Cameras

Alexandre Schmid, Yusuf Leblebici, Hossein Afshari, Vladan Popovic, Kerem Seyid

The Panoptic camera is an omnidirectional multi-aperture visual system which is realized by mounting multiple imaging sensors on a hemispherical frame. In this chapter, we will present a novel distributed and parallel implementation of the real-time omnidi ...

Springer-Verlag2015

A comparative experimental investigation on responsivity and response speed of photo-diode and photo-BJT structures integrated in a low-cost standard CMOS process

Alexandre Schmid, Yusuf Leblebici, Nikola Katic

A variety of smart imaging and neuromorphic applications perform time-domain image acquisition in order to imitate biological systems and reduce the growing transmission bandwidth of the modern imaging devices. Because they operate in time-domain, they req ...

Elsevier2015

Graphene Field Effect Devices Operating in Differential Circuit Configuration

Yusuf Leblebici, Clemens Benedict Nyffeler, Davide Sacchetto

We study the concept of a basic building block for circuits using differential signaling and being based on graphene field effect devices. We fabricated a number of top-gated graphene FETs using commercially available graphene and employing electron beam l ...

Elsevier2015

Heterogeneous Integration of ReRAM Crossbars in 180nm CMOS BEoL Process

Yusuf Leblebici, Giovanni De Micheli, Davide Sacchetto, Jury Sandrini, Pierre-Emmanuel Julien Marc Gaillardon, Tugba Demirci, Maxime Victor Thammasack

This work reports on a heterogeneous integration of resistive memories into the Back-End-of-the-Line of 180nm standard CMOS foundry chips. A TaOx-based ReRAM technology with materials and processes fully CMOS compatible has been developed and characterized ...

Elsevier2015

A Relative Imaging CMOS Image Sensor for High Dynamic Range and High Frame-Rate Machine Vision Imaging Applications

Alexandre Schmid, Yusuf Leblebici, Radisav Cojbasic, Nikola Katic, Vladan Popovic

This paper proposes an unconventional image acquisition scheme for machine vision applications, based on detecting ratios of illumination (pixel) intensities. Detecting relative ratios enables capturing the scene features and patterns almost independently ...

Institute of Electrical and Electronics Engineers2015

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