User profiles for Julien Martel

Julien NP Martel

Postdoctoral Research Fellow, Computational Imaging Lab @ Stanford University
Verified email at stanford.edu
Cited by 3190

Implicit neural representations with periodic activation functions

V Sitzmann, J Martel, A Bergman… - Advances in neural …, 2020 - proceedings.neurips.cc
Implicitly defined, continuous, differentiable signal representations parameterized by neural
networks have emerged as a powerful paradigm, offering many possible benefits over …

Acorn: Adaptive coordinate networks for neural scene representation

JNP Martel, DB Lindell, CZ Lin, ER Chan… - arXiv preprint arXiv …, 2021 - arxiv.org
Neural representations have emerged as a new paradigm for applications in rendering,
imaging, geometric modeling, and simulation. Compared to traditional representations such as …

Autoint: Automatic integration for fast neural volume rendering

DB Lindell, JNP Martel… - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
Numerical integration is a foundational technique in scientific computing and is at the core
of many computer vision applications. Among these applications, neural volume rendering …

Neural sensors: Learning pixel exposures for HDR imaging and video compressive sensing with programmable sensors

JNP Martel, LK Mueller, SJ Carey… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Camera sensors rely on global or rolling shutter functions to expose an image. This fixed
function approach severely limits the sensors' ability to capture high-dynamic-range (HDR) …

Event based, near eye gaze tracking beyond 10,000 hz

AN Angelopoulos, JNP Martel, APS Kohli… - arXiv preprint arXiv …, 2020 - arxiv.org
The cameras in modern gaze-tracking systems suffer from fundamental bandwidth and power
limitations, constraining data acquisition speed to 300 Hz realistically. This obstructs the …

Amortized inference for heterogeneous reconstruction in cryo-em

A Levy, G Wetzstein, JNP Martel… - Advances in neural …, 2022 - proceedings.neurips.cc
Cryo-electron microscopy (cryo-EM) is an imaging modality that provides unique insights
into the dynamics of proteins and other building blocks of life. The algorithmic challenge of …

Cryoai: Amortized inference of poses for ab initio reconstruction of 3d molecular volumes from real cryo-em images

A Levy, F Poitevin, J Martel, Y Nashed, A Peck… - … on Computer Vision, 2022 - Springer
Cryo-electron microscopy (cryo-EM) has become a tool of fundamental importance in
structural biology, helping us understand the basic building blocks of life. The algorithmic …

Ddxplus: A new dataset for automatic medical diagnosis

…, R Goel, Z Wen, J Martel… - Advances in Neural …, 2022 - proceedings.neurips.cc
There has been a rapidly growing interest in Automatic Symptom Detection (ASD) and
Automatic Diagnosis (AD) systems in the machine learning research literature, aiming to assist …

Time-multiplexed coded aperture imaging: Learned coded aperture and pixel exposures for compressive imaging systems

E Vargas, JNP Martel, G Wetzstein… - Proceedings of the …, 2021 - openaccess.thecvf.com
Compressive imaging using coded apertures (CA) is a powerful technique that can be used
to recover depth, light fields, hyperspectral images and other quantities from a single …

Efficient convolutional neural networks for pixelwise classification on heterogeneous hardware systems

F Tschopp, JNP Martel, SC Turaga… - 2016 IEEE 13th …, 2016 - ieeexplore.ieee.org
With recent advances in high-throughput Electron Microscopy (EM) imaging it is now possible
to image an entire nervous system of organisms like Drosophila melanogaster. One of the …