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Yuexin Ma - IEEE Xplore Author Profile

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Author details

Yuexin Ma

Publications

39

Citations

1,092

Publications by Year

20212025

Co-Authors:

Xuyang BaiYeqi BaiJohannes BetzJiaxin CaiShuqiang Cai

Show All Co-Authors (126)

Yuexin Ma

Affiliation

School of Information Science and Technology

ShanghaiTech University

Shanghai, China

Publication Topics

Point Cloud,
Semantic Segmentation,
LiDAR Point Clouds,
Feature Maps,
Human Motion,
Human Pose,
Image Features,
Pose Estimation,
Bounding Box,
Human Pose Estimation,
3D Scene,
Inertial Measurement Unit

Biography

Yuexin Ma received the PhD degree from the Department of Computer Science, University of Hong Kong, in 2019. Now, she is an assistant professor with ShanghaiTech University, China, leading 4DV Lab. Her research interests lie on the computer vision and deep learning. Particularly, she is interested in 3D scene understanding, multi-modal perception, human-machine cooperation, and autonomous driving. She has published dozens of papers on the IEEE Transactions on Pattern Analysis and Machine Intelligence, International Journal of Computer Vision, CVPR, ICCV, ECCV, IJCAI, AAAI, etc.(Based on document published on 19 March 2024).

Publications

39

Citations

1,092

Publications by Year

20212025

Co-Authors:

Xuyang Bai
Yeqi Bai
Johannes Betz
Jiaxin Cai
Shuqiang Cai

Show All Co-Authors (126)

Author's Published Works

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Showing 1-25 of 176 results

Conferences (129)

Journals (47)

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B.J. Hosticka(115)
W. Brockherde(40)
Bedrich J. Hosticka(32)
M. Schwarz(18)
Werner Brockherde(15)
Fraunhofer Institute of Microelectronic Circuits and System, Duisburg, Germany(102)
Fraunhofer Institute for Microelectronic Circuits and Systems (IMS), Duisburg, Germany(8)
Siemens AG, Munich, Germany(7)
Department of Electrical Engineering, University of Duisburg-Essen, Duisburg, Germany(6)
Philips Research Laboratories, Aachen, Germany(6)
IEEE Journal of Solid-State Circuits(29)
ESSCIRC '88: Fourteenth European Solid-State Circuits Conference(4)
2007 18th European Conference on Circuit Theory and Design(3)
2011 20th European Conference on Circuit Theory and Design (ECCTD)(3)
ESSCIRC '93: Nineteenth European Solid-State Circuits Conference(3)
IEEE(176)
Media(2)
San Francisco, CA, USA(11)
Seville, Spain(7)
Grenoble, France(4)
Manchester, UK(4)
Munich, Germany(4)
Image Sensor(33)
Operational Amplifier(29)
CMOS Technology(28)
Low-pass(24)
Dynamic Range(23)

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Results

Acquisition of Multiple Events in Direct Time-of-Flight LiDAR using Single-Photon Avalanche Diodes

Andre Buchner;Bedrich Hosticka;Olaf Schrey;Jan F. Haase;Jennifer Ruskowski;Anton Grabmaier

2020 IEEE SENSORS

Year: 2020 | Conference Paper |

Cited by: Papers (2)

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Single-Photon Avalanche Diode (SPAD)-based 'Light Detection And Ranging' (LiDAR) systems often use the first photon measurement principle to acquire ranging information. While those systems provide accurate distance measurements, they can easily saturate in high background scenarios. Recent improvements in SPAD quenching circuit technology open up the opportunity for SPAD LiDAR systems to detect m...Show More

Acquisition of Multiple Events in Direct Time-of-Flight LiDAR using Single-Photon Avalanche Diodes

Andre Buchner;Bedrich Hosticka;Olaf Schrey;Jan F. Haase;Jennifer Ruskowski;Anton Grabmaier

2020 IEEE SENSORS

Year: 2020 | Conference Paper |

Expected Value and Variance of the Indirect Time-of-Flight Measurement With Dead Time Afflicted Single-Photon Avalanche Diodes

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2018 | Volume: 65, Issue: 3 | Journal Article |

Cited by: Papers (3)

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Indirect time-of-flight (TOF) measurement with single-photon avalanche diodes (SPADs) is performed by counting incident photons in several time windows. Since SPADs exhibit dead time not all incident photons can be counted within a given time window. This affects the expected values and, hence, the variance of the distance measurement. For photon detection rates close to the inverse of the dead ti...Show More

Expected Value and Variance of the Indirect Time-of-Flight Measurement With Dead Time Afflicted Single-Photon Avalanche Diodes

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2018 | Volume: 65, Issue: 3 | Journal Article |

1×80 pixel SPAD-based flash LIDAR sensor with background rejection based on photon coincidence

Maik Beer;Olaf M. Schrey;Christian Nitta;Werner Brockherde;Bedrich J. Hosticka;Rainer Kokozinski

2017 IEEE SENSORS

Year: 2017 | Conference Paper |

Cited by: Papers (6)

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We present a 1×80 pixel line sensor for direct time-of-flight measurement based on single-photon avalanche diodes fabricated in a high-voltage 0.35 pm CMOS process. An in-pixel time-to-digital-converter with a resolution of 312.5 ps determines the arrival time of the first-photon for each emitted laser pulse from a flash illumination source for all pixels in parallel. Distance determination is per...Show More

1×80 pixel SPAD-based flash LIDAR sensor with background rejection based on photon coincidence

Maik Beer;Olaf M. Schrey;Christian Nitta;Werner Brockherde;Bedrich J. Hosticka;Rainer Kokozinski

2017 IEEE SENSORS

Year: 2017 | Conference Paper |

Modelling of SPAD-based time-of-flight measurement techniques

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 European Conference on Circuit Theory and Design (ECCTD)

Year: 2017 | Conference Paper |

Cited by: Papers (4)

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For applications like autonomous driving a fast and reliable monitoring of the vehicle's environment is essential. With the possibility of fabricating single-photon avalanche diodes in standard CMOS processes, small and cost-efficient time-of-flight sensors can be realized. To estimate the performance of such a sensor a general theoretical model taking into account the properties of the light sour...Show More

Modelling of SPAD-based time-of-flight measurement techniques

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 European Conference on Circuit Theory and Design (ECCTD)

Year: 2017 | Conference Paper |

Range accuracy of SPAD-based time-of-flight sensors

Maik Beer;Bedrich J. Hosticka;Olaf M. Schrey;Werner Brockherde;Rainer Kokozinski

2017 European Conference on Circuit Theory and Design (ECCTD)

Year: 2017 | Conference Paper |

Cited by: Papers (4)

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This communication addresses the range accuracy of SPAD-based time-of-flight (TOF) sensors that employ laser pulse modulation. Two basic approaches are considered: indirect and direct TOF. We investigate confidence intervals and derive formulas for standard errors of the relative distance error for both approaches based on photon statistics.Show More

Range accuracy of SPAD-based time-of-flight sensors

Maik Beer;Bedrich J. Hosticka;Olaf M. Schrey;Werner Brockherde;Rainer Kokozinski

2017 European Conference on Circuit Theory and Design (ECCTD)

Year: 2017 | Conference Paper |

Dead time effects in the indirect time-of-flight measurement with SPADs

Maik Beer;Olaf Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2017 | Conference Paper |

Cited by: Papers (4) | Patents (3)

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Indirect time-of-flight measurement with SPADs is performed by counting incident photons in several time windows. Since SPADs exhibit dead time not all incident photons can be counted within a given time window. This affects the expected values and, hence, the variance of the distance measurement. For photon detection rates close to the inverse of the dead time, which defines the maximum count rat...Show More

Dead time effects in the indirect time-of-flight measurement with SPADs

Maik Beer;Olaf Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2017 | Conference Paper |

Coincidence in SPAD-based time-of-flight sensors

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 13th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2017 | Conference Paper |

Cited by: Papers (7)

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High ambient illumination reduces the range and target detection reliability in light-based 3D sensors. Raising the optical power of the artificial illumination source to overcome the influence of high ambient light is often not possible for systems with flash illumination due to eye safety constraints. The high timing resolution of single-photon avalanche diodes enables the search for photon conc...Show More

Coincidence in SPAD-based time-of-flight sensors

Maik Beer;Olaf M. Schrey;Bedrich J. Hosticka;Rainer Kokozinski

2017 13th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2017 | Conference Paper |

SPAD-based 3D sensors for high ambient illumination

Maik Beer;Bedrich J. Hosticka;Rainer Kokozinski

2016 12th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2016 | Conference Paper |

Cited by: Papers (6)

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With the possibility of fabricating single-photon avalanche diodes in standard CMOS processes, arrays for range imaging applications have been developed. Proper operation in high ambient illumination environments is one of the major issues of scannerless sensors published so far. In this paper a theoretical study of the direct and indirect working principle regarding high ambient illumination is s...Show More

SPAD-based 3D sensors for high ambient illumination

Maik Beer;Bedrich J. Hosticka;Rainer Kokozinski

2016 12th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2016 | Conference Paper |

Application-specific optimization of optical sensors based on single-photon avalanche diodes

Alexander Schwinger;Benjamin Bechen;Christian Nitta;Bedrich J. Hosticka;Rainer Kokozinski

2015 11th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2015 | Conference Paper |

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In recent years, various developments have advanced the field of optical sensors based on single-photon avalanche diodes. In this contribution we present two sensors that were designed in 0.35μm CMOS technology. A silicon photomultiplier achieves a fill factor of 68 % at 50 μm pixel pitch and allows improved functionality by cointegration of application-specific readout electronics. A time-gated l...Show More

Application-specific optimization of optical sensors based on single-photon avalanche diodes

Alexander Schwinger;Benjamin Bechen;Christian Nitta;Bedrich J. Hosticka;Rainer Kokozinski

2015 11th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

Year: 2015 | Conference Paper |

A low-noise saturation-stacked bandgap reference for image sensor applications

Iyappan Subbiah;Andreas Süss;Andrey Kravchenko;Bedrich Hosticka;Wolfgang Krautschneider

2014 International Semiconductor Conference (CAS)

Year: 2014 | Conference Paper |

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A novel architecture for a bandgap voltage reference is presented in this paper. The voltage reference, designed for image sensor applications, is primarily targeted for a low-noise operation along with other practical constraints such as high power supply rejection, temperature immunity and short start-up time. The analysis and operation of the circuit is discussed and the trade-offs involved in ...Show More

A low-noise saturation-stacked bandgap reference for image sensor applications

Iyappan Subbiah;Andreas Süss;Andrey Kravchenko;Bedrich Hosticka;Wolfgang Krautschneider

2014 International Semiconductor Conference (CAS)

Year: 2014 | Conference Paper |

Speed considerations for LDPD based time-of-flight CMOS 3D image sensors

Andreas Süss;Christian Nitta;Andreas Spickermann;Daniel Durini;Gabor Varga;Melanie Jung;Werner Brockherde;Bedrich J. Hosticka;Holger Vogt;Stefan Schwope

2013 Proceedings of the ESSCIRC (ESSCIRC)

Year: 2013 | Conference Paper |

Cited by: Papers (1)

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Recently a 128×96 pixel range imager with a pitch of 40 μm and a fill factor of 38 % was presented for 3D range imaging measurements based on the pulse modulated (PM) time-of-flight (ToF) principle. This sensor employs a high-speed photodetector called lateral drift-field photodiode (LDPD). During the characterization insufficiencies in charge transfer were observed for low-light illumination. Her...Show More

Speed considerations for LDPD based time-of-flight CMOS 3D image sensors

Andreas Süss;Christian Nitta;Andreas Spickermann;Daniel Durini;Gabor Varga;Melanie Jung;Werner Brockherde;Bedrich J. Hosticka;Holger Vogt;Stefan Schwope

2013 Proceedings of the ESSCIRC (ESSCIRC)

Year: 2013 | Conference Paper |

An ultra-thin bendable Si-monolithic imaging test sensor

G. C. Dogiamis;J. Häfner;W. Mokwa;B. J. Hosticka;A. Grabmaier

2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII)

Year: 2013 | Conference Paper |

Cited by: Papers (2)

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In this work an ultra-thin bendable imaging test structure is presented and experimental results are put forward. The deployed design and layout rules in order to achieve an independent operation on the applied mechanical stress are discussed. Moreover, experimental results of the optical characteristics of standard n+/p photodiodes on ultra-thin silicon chips embedded into a polyimide foil under ...Show More

An ultra-thin bendable Si-monolithic imaging test sensor

G. C. Dogiamis;J. Häfner;W. Mokwa;B. J. Hosticka;A. Grabmaier

2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII)

Year: 2013 | Conference Paper |

Investigations on an Ultra-Thin Bendable Monolithic Si CMOS Image Sensor

Georgios C. Dogiamis;Bedrich J. Hosticka;Anton Grabmaier

IEEE Sensors Journal

Year: 2013 | Volume: 13, Issue: 10 | Journal Article |

Cited by: Papers (5)

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In this paper, theoretical as well as experimental results of the investigations on a bendable ultrathin Si monolithic CMOS image sensor are presented. The electro-optical behavior of a thinned flexible CMOS active pixel sensor for the application of uniaxial mechanical stress is theoretically and experimentally analyzed. The necessity of a correlated double sampling readout scheme to achieve a st...Show More

Investigations on an Ultra-Thin Bendable Monolithic Si CMOS Image Sensor

Georgios C. Dogiamis;Bedrich J. Hosticka;Anton Grabmaier

IEEE Sensors Journal

Year: 2013 | Volume: 13, Issue: 10 | Journal Article |

Thermo-fluid dynamic Time-of-Flight flow sensor system

O. Ecin;R. Zhao;B. J. Hosticka;A. Grabmaier

SENSORS, 2012 IEEE

Year: 2012 | Conference Paper |

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The authors report on a novel linear time-invariant (LTI) modeling of a flow sensor system based on thermal Time-of-Flight (TOF) principle by using pulsed hot wire anemometry. Thermal heat pulses are electrically generated at the hot wire centered in a pipe, carried along by the fluid in flow direction, and detected at several positions downstream. The flow sensor consisting of a hot wire and seve...Show More

Thermo-fluid dynamic Time-of-Flight flow sensor system

O. Ecin;R. Zhao;B. J. Hosticka;A. Grabmaier

SENSORS, 2012 IEEE

Year: 2012 | Conference Paper |

Effects of jitter on continuous time digital systems with granularity reduction

Nima Tavangaran;Dieter Brückmann;Tobias Feldengut;Bedrich Hosticka;Rainer Kokozinski;Karsten Konrad;Renee Lerch

2011 19th European Signal Processing Conference

Year: 2011 | Conference Paper |

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Performing digital signal processing in continuous time can be advantageous for a number of applications like biomedical implants, hearing aids, remote sensors, telecommunications, audio and speech processing. While the inherent advantages of digital implementations with respect to programmability and noise immunity are retained by this kind of signal processing, the power consumption can be much ...Show More

Effects of jitter on continuous time digital systems with granularity reduction

Nima Tavangaran;Dieter Brückmann;Tobias Feldengut;Bedrich Hosticka;Rainer Kokozinski;Karsten Konrad;Renee Lerch

2011 19th European Signal Processing Conference

Year: 2011 | Conference Paper |

CMOS 3D image sensor based on pulse modulated time-of-flight principle and intrinsic lateral drift-field photodiode pixels

Andreas Spickermann;Daniel Durini;Andreas Süss;Wiebke Ulfig;Werner Brockherde;Bedrich J. Hosticka;Stefan Schwope;Anton Grabmaier

2011 Proceedings of the ESSCIRC (ESSCIRC)

Year: 2011 | Conference Paper |

Cited by: Papers (19) | Patents (3)

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Design and measurement results of a CMOS 128 × 96 pixel sensor are presented, which can be used for three-dimensional (3D) scene reconstruction applications based on indirect time-of-flight (ToF) principle enabled by pulse modulated active laser illumination. The 40μm pitch pixels are based on the novel intrinsic lateral drift-field photodiode (LDPD) that allows for a 30ns complete charge transfer...Show More

CMOS 3D image sensor based on pulse modulated time-of-flight principle and intrinsic lateral drift-field photodiode pixels

Andreas Spickermann;Daniel Durini;Andreas Süss;Wiebke Ulfig;Werner Brockherde;Bedrich J. Hosticka;Stefan Schwope;Anton Grabmaier

2011 Proceedings of the ESSCIRC (ESSCIRC)

Year: 2011 | Conference Paper |

A sequential method for noise estimation in switched-capacitor systems using a switching time-frequency domain

Gabor Varga;Andreas Süss;Bedrich J. Hosticka

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

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The use of continuous-time domain or frequency domain analysis in switched-capacitor systems may often be formally inapplicable due to insufficient mathematical conditions based on the system operating properties itself. This paper introduces a switching time-frequency domain method for the estimation of noise in such systems, while there is no need for periodicity. The switching domain method req...Show More

A sequential method for noise estimation in switched-capacitor systems using a switching time-frequency domain

Gabor Varga;Andreas Süss;Bedrich J. Hosticka

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

Signal characterization of a pulsed-wire and heat flow system at a flow sensor

O. Ecin;R. Viga;B. J. Hosticka;A. Grabmaier

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

Cited by: Papers (1)

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This article describes a pulsed thermal Time-of-Flight (TTOF) flow sensor system as two subsystems i.e., a pulsed-wire system and a heat flow system. The entire flow sensor is regarded system-theoretically as a linear time-invariant (LTI) system and is described by its transfer function or impulse response. The characterization of the thermo-fluid dynamic signals obtained by a pulsed-wire and by a...Show More

Signal characterization of a pulsed-wire and heat flow system at a flow sensor

O. Ecin;R. Viga;B. J. Hosticka;A. Grabmaier

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

Modeling and calibration of 3D-Time-of-Flight pulse-modulated image sensors

F. Matheis;W. Brockherde;A. Grabmaier;B. J. Hosticka

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

Cited by: Papers (4)

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Scannerless 3D-Time-of-Flight image sensors serve to acquire three-dimensional (3D) information of objects in a scene. This contribution is devoted to modeling and calibration of scannerless 3D-Time-of-Flight image sensors based on pulse modulation. After a short description we introduce a 3D image sensor model that includes system nonlinearities due to nonideal photodetectors and signal processin...Show More

Modeling and calibration of 3D-Time-of-Flight pulse-modulated image sensors

F. Matheis;W. Brockherde;A. Grabmaier;B. J. Hosticka

2011 20th European Conference on Circuit Theory and Design (ECCTD)

Year: 2011 | Conference Paper |

System-theoretical analysis and modeling of pulsed thermal Time-of-Flight flow sensor

O. Ecin;E. Engelien;R. Viga;B. J. Hosticka;A. Grabmaier

2011 7th Conference on Ph.D. Research in Microelectronics and Electronics

Year: 2011 | Conference Paper |

Cited by: Papers (3)

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A system-theoretical model of an air flow sensor based on the principle of pulsed thermal Time-of-Flight (TTOF) is described. The region of interest (ROI) in the pipe flow is regarded as a linear time-invariant (LTI) system with an input and output signal. Based on the experimental results the simulation model is created and applied for analysis of different input signals and system's responses wi...Show More

System-theoretical analysis and modeling of pulsed thermal Time-of-Flight flow sensor

O. Ecin;E. Engelien;R. Viga;B. J. Hosticka;A. Grabmaier

2011 7th Conference on Ph.D. Research in Microelectronics and Electronics

Year: 2011 | Conference Paper |

Optimization and implementation of continuous time DSP-systems by using granularity reduction

Dieter Brückmann;Tobias Feldengut;Bedrich Hosticka;Rainer Kokozinski;Karsten Konrad;Nima Tavangaran

2011 IEEE International Symposium of Circuits and Systems (ISCAS)

Year: 2011 | Conference Paper |

Cited by: Papers (4)

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Systems which perform digital signal processing in continuous-time are attractive for a number of applications like biomedical implants, hearing aids, remote sensors, telecommunications, and audio and speech processing. A main difference to sampled data systems is the realization of the delay elements which must be implemented as quasi-continuous time delay lines. Thus a large chip area is require...Show More

Optimization and implementation of continuous time DSP-systems by using granularity reduction

Dieter Brückmann;Tobias Feldengut;Bedrich Hosticka;Rainer Kokozinski;Karsten Konrad;Nima Tavangaran

2011 IEEE International Symposium of Circuits and Systems (ISCAS)

Year: 2011 | Conference Paper |

Thermal signal behaviour for air flow measurements as fundamentals to Time-of-Flight

O. Ecin;E. Engelien;B. Strathen;M. Malek;D. Gu;R. Viga;B.J. Hosticka;A. Grabmaier

3rd Electronics System Integration Technology Conference ESTC

Year: 2010 | Conference Paper |

Cited by: Papers (4)

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Thermal flow measurement is currently based on the principle of heat energy displacement caused by a flowing fluid (mass flow measurement). The heat is induced by a continuous heating element immersed into the fluid. This kind of sensor is only applicable for fluids with known homogeneity properties. The presented investigation is based on a discontinuous heating element using the pulsed Thermal T...Show More

Thermal signal behaviour for air flow measurements as fundamentals to Time-of-Flight

O. Ecin;E. Engelien;B. Strathen;M. Malek;D. Gu;R. Viga;B.J. Hosticka;A. Grabmaier

3rd Electronics System Integration Technology Conference ESTC

Year: 2010 | Conference Paper |

Large full-well capacity stitched CMOS image sensor for high temperature applications

Daniel Durini;Frank Matheis;Christian Nitta;Werner Brockherde;Bedrich J. Hosticka

2010 Proceedings of ESSCIRC

Year: 2010 | Conference Paper |

Cited by: Papers (2)

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A novel CMOS pixel architecture is presented, which fulfills the need for acquisition of very high photon fluxes at high temperatures. A buried photodiode based pixel structure was analysed in detail, and then applied to fabricate the 256 × 256 large area imager sensor in a standard 0.5μm CMOS process using mask reticle stitching.Show More

Large full-well capacity stitched CMOS image sensor for high temperature applications

Daniel Durini;Frank Matheis;Christian Nitta;Werner Brockherde;Bedrich J. Hosticka

2010 Proceedings of ESSCIRC

Year: 2010 | Conference Paper |

Lateral Drift-Field Photodetector for high speed 0.35µm CMOS imaging sensors based on non-uniform lateral doping profile: Design, theoretical concepts, and TCAD simulations

Rana Mahdi;Johannes Fink;Bedrich J. Hosticka

6th Conference on Ph.D. Research in Microelectronics & Electronics

Year: 2010 | Conference Paper |

Cited by: Papers (1) | Patents (1)

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A novel photodetector concept for high charge transfer speed and low image lag is presented. The key feature of the so-called Lateral Drift-Field Photodetector (LDPD) is a lateral electric drift field inside the photoactive area of the device. This results in a significant acceleration of the charge collection compared to conventional diffusion based detectors and, therefore, this device is an ide...Show More

Lateral Drift-Field Photodetector for high speed 0.35µm CMOS imaging sensors based on non-uniform lateral doping profile: Design, theoretical concepts, and TCAD simulations

Rana Mahdi;Johannes Fink;Bedrich J. Hosticka

6th Conference on Ph.D. Research in Microelectronics & Electronics

Year: 2010 | Conference Paper |

Pulsed time-of-flight 3D-CMOS imaging using photogate-based active pixel sensors

Andreas Spickermann;Daniel Durini;Stefan Brocker;Werner Brockherde;Bedrich J. Hosticka;Anton Grabmaier

2009 Proceedings of ESSCIRC

Year: 2009 | Conference Paper |

Cited by: Papers (7) | Patents (1)

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A novel time-of-flight (ToF) 3D-image sensor based on photogate (PG) active pixel structures fabricated in a standard 0.35 mum CMOS process is presented. Distance measurements are performed using a pulsed near-infrared (lambda = 905 nm) laser with pulse widths of 30 ns to 60 ns for distance measurements up to 9 m. The developed ToF pixel consists of a photogate (APG = 30 x 30 mum2) and four floati...Show More

Pulsed time-of-flight 3D-CMOS imaging using photogate-based active pixel sensors

Andreas Spickermann;Daniel Durini;Stefan Brocker;Werner Brockherde;Bedrich J. Hosticka;Anton Grabmaier

2009 Proceedings of ESSCIRC

Year: 2009 | Conference Paper |

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