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Yusuf Leblebici

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Related publications (405)

A 3.1mW 8b 1.2GS/s Single-Channel Asynchronous SAR ADC with Alternate Comparators for Enhanced Speed in 32nm Digital SOI CMOS

Yusuf Leblebici, Lukas Kull, Thomas Toifl

An 8b 1.2GS/s single-channel SAR converter is implemented in 32nm CMOS, achieving 39.3dB SNDR and a FOM of 34fJ/conversion-step. High-speed operation is achieved by converting each sample with two alternating comparators clocked asynchronously and a redund ...

2013

Column-Separated Compressive Sampling Scheme for Low Power CMOS Image Sensors

Alexandre Schmid, Yusuf Leblebici, Pierre Vandergheynst, Mahdad Hosseini Kamal, Nikola Katic, Mustafa Kilic

A novel compressive sampling scheme suitable for highly scalable hardware implementations is presented. The scheme utilizes an identical pseudo-random sequence for every image column, therefore reducing in-pixel hardware complexity and allowing measurement ...

IEEE2013

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

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

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

A 3.1 mW 8b 1.2 GS/s Single-Channel Asynchronous SAR ADC With Alternate Comparators for Enhanced Speed in 32 nm Digital SOI CMOS

Yusuf Leblebici, Lukas Kull, Thomas Toifl

An 8b 1.2 GS/s single-channel Successive Approximation Register (SAR) ADC is implemented in 32 nm CMOS, achieving 39.3 dB SNDR and a Figure-of-Merit (FoM) of 34 fJ per conversion step. High-speed operation is achieved by converting each sample with two alt ...

Institute of Electrical and Electronics Engineers2013

Compressed look-up-table based real-time rectification hardware

Alexandre Schmid, Yusuf Leblebici, Abdulkadir Akin, Luis Manuel Gaemperle, Ipek Baz

Stereo image rectification is a pre-processing step of disparity estimation intended to remove image distortions and to enable stereo matching along an epipolar line. A real-time disparity estimation system needs to perform real-time rectification which re ...

2013

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

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

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

Real-Time Hardware Implementation of Multi-Resolution Image Blending

Alexandre Schmid, Yusuf Leblebici, Vladan Popovic, Kerem Seyid

A novel real-time implementation of a multi-resolution image blending algorithm is presented in this paper. A multi-resolution decomposition of the input is used to blend multiple images at different scales. Processing time is shortened by designing a pipe ...

2013

A 35mW 8 b 8.8 GS/s SAR ADC with Low-Power Capacitive Reference Buffers in 32nm Digital SOI CMOS

Yusuf Leblebici, Lukas Kull, Thomas Toifl

An asynchronous 8x interleaved redundant SAR ADC achieving 8.8GS/s at 35mW and 1V supply is presented. The ADC features pass-gate clocking for time-skew minimization and per-channel gain control based on low-power reference voltage buffers. The sub-ADC sta ...

2013

Spherical Panorama Construction using Multi Sensor Registration Priors and Its Real-time Hardware

Yusuf Leblebici, Vladan Popovic, Ömer Cogal

2013

Compressive Image Acquisition in Modern CMOS IC Design

Alexandre Schmid, Yusuf Leblebici, Pierre Vandergheynst, Mahdad Hosseini Kamal, Nikola Katic

Compressive Sampling (CS) offers bandwidth, power and memory size reduction compared to conventional (Nyquist) sampling. However, very few Integrated Circuit (IC) designs based on CS exist due to the missing link between the well-established CS theory on o ...

Wiley-Blackwell2013

Hemispherical Multiple Camera System for High Resolution Omni-Directional Light Field Imaging

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

Inspiration from light field imaging concepts has led to the construction of multi-aperture imaging systems. Using multiple cameras as individual apertures is a topic of high relevance in the light field imaging domain. The need for wide field-of-view (FOV ...

Institute of Electrical and Electronics Engineers2013

Post-CMOS Processing and 3-D Integration Based on Dry-Film Lithography

Yusuf Leblebici, Yüksel Temiz, Carlotta Guiducci

This paper presents a chip-level postcomplementary metal oxide semiconductor (CMOS) processing technique for 3-D integration and through-silicon-via (TSV) fabrication. The proposed technique is based on dry-film lithography, which is a low-cost and simple ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Power-Efficient CMOS Image Acquisition System based on Compressive Sampling

Alexandre Schmid, Yusuf Leblebici, Pierre Vandergheynst, Mahdad Hosseini Kamal, Nikola Katic, Mustafa Kilic

A novel compressive sampling scheme suitable for highly scalable hardware implementations is presented. The prototype design is implemented in a 0.18um standard CMOS technology and utilizes compressed acquisition to boost the overall power efficiency. Spec ...

IEEE2013

Real-time Implementation of Gaussian Image Blending in a Spherical Light Field Camera

Alexandre Schmid, Yusuf Leblebici, Hossein Afshari, Vladan Popovic

Panoptic is 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 a distinct focal plane. The spherical light field camera records ligh ...

Ieee2013

Empowering Low-Cost CMOS Cameras by Image Processing to Reach Comparable Results with Costly CCDs

Yusuf Leblebici, Giovanni De Micheli, Gözen Köklü, Julien Michel Ghaye, Sandro Carrara

Despite the huge research effort to improve the performance of the complementary metal oxide semiconductor (CMOS) image sensors, charge-coupled devices (CCDs) still dominate the cell biology-related conventional fluorescence microscopic imaging market wher ...

2013

Compressive Multichannel Cortical Signal Recording

Alexandre Schmid, Yusuf Leblebici, Pierre Vandergheynst, Mahdad Hosseini Kamal, Mahsa Shoaran

This paper presents a novel approach to acquire multichannel wireless intracranial neural data based on a compressive sensing scheme. The designed circuits are extremely compact and low-power which confirms the relevance of the proposed approach for multic ...

IEEE2013

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

Alexandre Schmid, Yusuf Leblebici, 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

Quantitative Comparison of Commercial CCD and Custom-Designed CMOS Camera for Biological Applications

René Beuchat, Yusuf Leblebici, Giovanni De Micheli, Gözen Köklü, Julien Michel Ghaye, Sandro Carrara

In biological applications and systems where even the smallest details have a meaning, CCD cameras are mostly preferred and they hold most of the market share despite their high costs. In this paper, we propose a custom-designed CMOS camera to compete with ...

2012

Towards Cost Effective Multi-Core Processor Platforms Using 3-D Stacking Technology

Yusuf Leblebici, Panagiotis Athanasopoulos, Alessandro Cevrero, Giulia Beanato

A novel modular, cost e ffective 3D multi-processor architecture is presented. Auto-configurable and independently testable identical dies are stacked exploiting Through-Silicon-Vias (TSV) technology, allowing to target different market segments by selecti ...

2012

Modeling Stressed MOS Oxides Using a Multiphonon-Assisted Quantum Approach—Part I: Impedance Analysis

Alexandre Schmid, Yusuf Leblebici, Davide Garetto

Complementary MOS device electrical performances are considerably affected by the degradation of the oxide lay- ers and Si/SiO2 interfaces. A general expression for electrically stressed MOS impedance has been derived and applied within the nonradiative mu ...

Institute of Electrical and Electronics Engineers2012

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