Events2Join

New sensorless wavefront estimation approach for two|photon ...


New sensorless wavefront estimation approach for two photon ...

New sensorless wavefront estimation approach for two photon scanning microscopy. J. Teixeira#a, D. Champelovierb,c, J-M. Conana, L. Mugniera, S. Meimona, N ...

(PDF) New sensorless wavefront estimation approach for two ...

PDF | On Feb 21, 2017, J. Teixeira and others published New sensorless wavefront estimation approach for two-photon scanning microscopy | Find, ...

New sensorless wavefront sensing approach for two photon ...

... wavefront estimation, the so-called sample dependence. This PhD work aims at developing an improved modal sensorless approach that is not affected by sample ...

New sensorless wavefront estimation approach for two-photon ...

New sensorless wavefront estimation approach for two-photon scanning microscopy. J. Teixeira 1. ,. D Champelovier 2. ,. J.-M. Conan 1. ,. Laurent M. Mugnier 1.

New sensorless wavefront sensing approach for two photon ...

The modal sensorless wavefront estimation is based on an iterative procedure that aims at optimizing the deformable mirror correction in order to optimize ...

Sensorless Wavefront Correction in Two-Photon Microscopy Across ...

Dynamic Adaptive Scattering compensation Holography (DASH)—a fast-converging sensorless AO technique introduced recently for scatter ...

Universal adaptive optics for microscopy through embedded neural ...

We propose in this article a new approach to sensorless AO (named as MLAO) that addresses the limitations of previous methods and provides a ...

Wavefront sensorless adaptive optics temporal focusing-based ...

In order to increase the speed of multiphoton imaging, recent studies have shown that temporal focusing technique can provide widefield and axially-resolved ...

Optimization-based wavefront sensorless adaptive optics for ...

Multiphoton microscopy techniques, such as two-photon fluorescence microscopy [1] and second-harmonic microscopy [2], are commonly employed to image biological ...

Sensorless Adaptive Optics | AO tutorials

The technique is also sometimes referred to as indirect wavefront sensing as, despite the lack of a wavefront sensor, the aberrations can still be quantified.

New algorithm improves AO systems without wavefront sensors

Accurate modeling of a wavefront-sensor-less adaptive-optics system and a novel model-based wavefront-aberration estimation algorithm ...

Fast correction approach for wavefront sensorless adaptive optics ...

The RMS of residual wavefront aberration after correction is used as an evaluation standard. ... two methods. The smaller the RMS value is, the better ...

Simple wavefront correction framework for two-photon microscopy of ...

New sensorless wavefront estimation approach for two-photon scanning microscopy · J. TeixeiraD. Champelovier +9 authors. A. Malvache. Engineering, Physics. BiOS.

Robust sensorless wavefront sensing via neural network in a single ...

calculating the aberrated wavefront based on wavefront gradient measurement in sub-aperture zones [7]. ... two-photon microscopy [11]. ... based method for ...

Wavefront sensor-less adaptive optics using deep reinforcement ...

Deep Neural Networks (DNN) have also been applied to SAO approaches. In [19,20] a DNN was used to estimate the Zernike mode aberrations from a ...

Adaptive optical two-photon microscopy using autofluorescent guide ...

A fast, direct wavefront-sensing method for dynamic in vivo adaptive optical two-photon ... New sensorless wavefront estimation approach for two-photon scanning ...

Coherence-Gated Sensorless Adaptive Optics Multiphoton Retinal ...

Traditional approaches to adaptive optics wavefront correction are not effective in thick or multi-layered scattering media. In this report, we ...

Coherence-gated wavefront-sensorless adaptive-optics multi ...

... evaluation method of optical system. EP1626257B1 * 2004-08-11 2009-11-18 Max ... wavefront sensorless adaptive optics multi-photon microscopy and related systems ...

Hybrid approach used for extended image-based wavefront sensor ...

The stochastic parallel gradient descent (SPGD) algorithm is widely used in wavefront sensor-less adaptive optics (WSAO) systems.