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Single-photon detector arrays for time-resolved fluorescence imaging

Publications associées (76)

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Analyzing blinking effects in super resolution localization microscopy with single-photon SPAD imagers

Edoardo Charbon, Claudio Bruschini, Ivan Michel Antolovic, Samuel Burri

For many scientific applications, electron multiplying charge coupled devices (EMCCDs) have been the sensor of choice because of their high quantum efficiency and built-in electron amplification. Lately, many researchers introduced scientific complementary ...

Spie-Int Soc Optical Engineering2016

Ultra Low Noise CMOS Image Sensors

Assim Boukhayma

CMOS Image Sensors (CIS) overtook the charge coupled devices (CCDs) in low noise performance. Photoelectron counting capability is the next step for CIS for ultimate low light performance and new imaging paradigms. This work presents a review of CMOS image ...

EPFL2016

Temporal Readout Noise Analysis and Reduction Techniques for Low-Light CMOS Image Sensors

Christian Enz, Assim Boukhayma, Arnaud Peizerat

In this paper, an analytical noise calculation is presented to derive the impact of process and design parameters on 1/f and thermal noise for a low-noise CMOS image sensor (CIS) readout chain. It is shown that dramatic noise reduction is obtained by using ...

Institute of Electrical and Electronics Engineers2016

Model-free uncertainty estimation in stochastical optical fluctuation imaging (SOFI) leads to a doubled temporal resolution

Theo Lasser, Marcel Leutenegger

Stochastic optical fluctuation imaging (SOFI) is a super-resolution fluorescence imaging technique that makes use of stochastic fluctuations in the emission of the fluorophores. During a SOFI measurement multiple fluorescence images are acquired from the s ...

Optical Soc Amer2016

Challenges and Solutions to Next-Generation Single-Photon Imagers

Samuel Burri

Detecting and counting single photons is useful in an increasingly large number of applications. Most applications require large formats, approaching and even far exceeding 1 megapixel. In this thesis, we look at the challenges of massively parallel photon ...

EPFL2016

Hydrogenated amorphous silicon (a-Si:H) is attractive for radiation detectors because of its radiation resistance and processability over large areas with mature Si microfabrication techniques. While the use of a-Si:H for medical imaging has been very succ ...

Institute of Physics2016

Reaching millikelvin resolution in Raman distributed temperature sensing using image processing

Luc Thévenaz, Marcelo Alfonso Soto Hernandez

Image processing is proposed and experimentally demonstrated to improve the capabilities of Raman distributed optical fibre sensors. The here reported technique consists in stacking consecutive one-dimensional Raman Stokes and anti-Stokes traces in two-dim ...

Spie-Int Soc Optical Engineering2016

New advances in the field of image sensors (especially in CMOS technology) tend to question the conventional methods used to acquire the image. Compressive Sensing (CS) plays a major role in this, especially to unclog the Analog to Digital Converters which ...

EPFL2015

Hardware implementation of real-time multiple frame super-resolution

Yusuf Leblebici, Kerem Seyid, Sébastien Emmanuel Blanc

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

Enhancing local-Transmitting less-Improving global

Martin Vetterli, Benjamin Bejar Haro

Super-resolving a natural image is an ill-posed problem. The classical approach is based on the registration and subsequent interpolation of a given set of low-resolution images. However, achieving satisfactory results typically requires the combination of ...

IEEE2015