Julien Moreau
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View article: DELTA: Dense Depth from Events and LiDAR Using Transformer's Attention
DELTA: Dense Depth from Events and LiDAR Using Transformer's Attention Open
Event cameras and LiDARs provide complementary yet distinct data: respectively, asynchronous detections of changes in lighting versus sparse but accurate depth information at a fixed rate. To this day, few works have explored the combinati…
View article: Time-dependent modeling of heat and gain spatial distributions of high-energy lasers
Time-dependent modeling of heat and gain spatial distributions of high-energy lasers Open
The quest for inertial fusion energy motivates the development of high-energy lasers with high repetition rates. This requires the design of solid-state amplifiers with well-controlled spatial distributions of heat load and gain. As a nece…
View article: Uncertainty-Aware Online Extrinsic Calibration: A Conformal Prediction Approach
Uncertainty-Aware Online Extrinsic Calibration: A Conformal Prediction Approach Open
International audience
View article: Insights into Photopolymerization at the Nanoscale Using Surface Plasmon Resonance Imaging
Insights into Photopolymerization at the Nanoscale Using Surface Plasmon Resonance Imaging Open
Near‐field photopolymerization (NFPP) driven by surface plasmon resonance has attracted increasing attention in nanofabrication. This interest comes from the nanometer‐scale control of polymer thickness, due to the confinement of the evane…
View article: Surface plasmon resonance imaging signal amplification for the detection of micro-RNAs in the context of organ donation
Surface plasmon resonance imaging signal amplification for the detection of micro-RNAs in the context of organ donation Open
International audience
View article: MULi-Ev: Maintaining Unperturbed LiDAR-Event Calibration
MULi-Ev: Maintaining Unperturbed LiDAR-Event Calibration Open
Despite the increasing interest in enhancing perception systems for autonomous vehicles, the online calibration between event cameras and LiDAR - two sensors pivotal in capturing comprehensive environmental information - remains unexplored…
View article: Analysis of mid-spatial frequency wavefront distortions from a liquid-cooled flash-lamp pumped Nd:phosphate laser amplifier
Analysis of mid-spatial frequency wavefront distortions from a liquid-cooled flash-lamp pumped Nd:phosphate laser amplifier Open
Mid-spatial frequency wavefront deformation can be deleterious for the operation of high-energy laser systems. When fluid cooled high-repetition-rate amplifiers are used, the coolant flow is likely to induce such detrimental mid-spatial fr…
View article: Microrheology and structural quantification of hypercoagulable clots
Microrheology and structural quantification of hypercoagulable clots Open
Hypercoagulability is a pathology that remains difficult to explain today in most cases. It is likely due to a modification of the conditions of polymerization of the fibrin, the main clot component. Using passive microrheology, we measure…
View article: Analysis over vision-based models for pedestrian action anticipation
Analysis over vision-based models for pedestrian action anticipation Open
Anticipating human actions in front of autonomous vehicles is a challenging task. Several papers have recently proposed model architectures to address this problem by combining multiple input features to predict pedestrian crossing actions…
View article: Ultrafast Heat Transfer at the Nanoscale: Controlling Heat Anisotropy
Ultrafast Heat Transfer at the Nanoscale: Controlling Heat Anisotropy Open
International audience
View article: Learning to Estimate Two Dense Depths from LiDAR and Event Data
Learning to Estimate Two Dense Depths from LiDAR and Event Data Open
Event cameras do not produce images, but rather a continuous flow of events, which encode changes of illumination for each pixel independently and asynchronously. While they output temporally rich information, they lack any depth informati…
View article: Accurate calibration of optical tweezers close to a glass surface using interference rings in backscattered light
Accurate calibration of optical tweezers close to a glass surface using interference rings in backscattered light Open
Mechanical forces play an important role in the behaviour of cells, from differentiation to migration and the development of diseases. Optical tweezers provide a quantitative tool to study these forces and must be combined with other tools…
View article: Spatially-Localized Functionalization on Nanostructured Surfaces for Enhanced Plasmonic Sensing Efficacy
Spatially-Localized Functionalization on Nanostructured Surfaces for Enhanced Plasmonic Sensing Efficacy Open
This work demonstrates the enhancement in plasmonic sensing efficacy resulting from spatially-localized functionalization on nanostructured surfaces, whereby probe molecules are concentrated in areas of high field concentration. Comparison…
View article: PreTR: Spatio-Temporal Non-Autoregressive Trajectory Prediction Transformer
PreTR: Spatio-Temporal Non-Autoregressive Trajectory Prediction Transformer Open
Nowadays, our mobility systems are evolving into the era of intelligent vehicles that aim to improve road safety. Due to their vulnerability, pedestrians are the users who will benefit the most from these developments. However, predicting …
View article: Emergent Visual Sensors for Autonomous Vehicles
Emergent Visual Sensors for Autonomous Vehicles Open
Autonomous vehicles rely on perception systems to understand their surroundings for further navigation missions. Cameras are essential for perception systems due to the advantages of object detection and recognition provided by modern comp…
View article: Liquid-cooled Nd:phosphate split-slab large aperture amplifier pumped by flash-lamps
Liquid-cooled Nd:phosphate split-slab large aperture amplifier pumped by flash-lamps Open
High power laser facilities have been developed to achieve novel standards in light-matter interactions. The repetition rate is severely limited by the heating of the large size components, and in particular the large-aperture amplifiers. …
View article: Real-Time Optical Flow for Vehicular Perception with Low- and High-Resolution Event Cameras
Real-Time Optical Flow for Vehicular Perception with Low- and High-Resolution Event Cameras Open
Event cameras capture changes of illumination in the observed scene rather than accumulating light to create images. Thus, they allow for applications under high-speed motion and complex lighting conditions, where traditional framebased se…
View article: Is attention to bounding boxes all you need for pedestrian action prediction?
Is attention to bounding boxes all you need for pedestrian action prediction? Open
The human driver is no longer the only one concerned with the complexity of the driving scenarios. Autonomous vehicles (AV) are similarly becoming involved in the process. Nowadays, the development of AVs in urban places raises essential s…
View article: Improved two-temperature modeling of ultrafast thermal and optical phenomena in continuous and nanostructured metal films
Improved two-temperature modeling of ultrafast thermal and optical phenomena in continuous and nanostructured metal films Open
International audience
View article: Investigation of the structure of iron oxide nanoparticle assemblies in order to optimize the sensitivity of surface plasmon resonance-based sensors
Investigation of the structure of iron oxide nanoparticle assemblies in order to optimize the sensitivity of surface plasmon resonance-based sensors Open
International audience
View article: Performance improvement of plasmonic sensors using a combination of AC electrokinetic effects for (bio)target capture
Performance improvement of plasmonic sensors using a combination of AC electrokinetic effects for (bio)target capture Open
Analytes concentration techniques are being developed with the appealing expectation to boost the performance of biosensors. One promising method lies in the use of electrokinetic forces. We present hereafter a new design for a microstruct…
View article: Spatial resolution versus contrast trade-off enhancement in high-resolution surface plasmon resonance imaging (SPRI) by metal surface nanostructure design
Spatial resolution versus contrast trade-off enhancement in high-resolution surface plasmon resonance imaging (SPRI) by metal surface nanostructure design Open
Surface plasmon resonance imaging (SPRI) is an optical near-field method used for mapping the spatial distribution of chemical/physical perturbations above a metal surface without exogenous labeling. Currently, the majority of SPRI systems…
View article: Surface plasmon resonance imaging: application in microbiology
Surface plasmon resonance imaging: application in microbiology Open
\n\t\t\t\tSurface plasmons can be defined as the collective oscillation of free electrons on a metallic surface. They were first observed back in the early 20th century, by the American physicist and inventor R.W. Wood, while he was studyi…