Publications

AutoInt: Automatic Integration for Fast Neural Volume Rendering

A new framework with neural architecture to calculate closed form integrals of functions.
David B Lindell*, Julien NP Martel*, Gordon Wetzstein
June 2021 IEEE/CVF Computer Vision and Pattern Recognition (CVPR 2021)
PDF Paper (arXiv)
AutoInt: Automatic Integration for Fast Neural Volume Rendering

Event Based, Near Eye Gaze Tracking Beyond 10,000 Hz

An ultra-fast near-eye gaze tracker using event-based cameras.
Anastasios N Angelopoulos*, Julien NP Martel*, Amit PS Kohli, Jorg Conradt, Gordon Wetzstein
April 2021 IEEE Transactions on Visualizations and Graphics
PDF Paper (arXiv) Paper (publisher) Dataset
Event Based, Near Eye Gaze Tracking Beyond 10,000 Hz

Implicit Neural Representations with Periodic Activation Functions

A neural signal representation for images, audio, shapes, and wavefields.
Vincent Sitzmann*, Julien NP Martel*, Alexander W Bergman, David B Lindell, Gordon Wetzstein
December 2020 Neural Information and Processing Systems (NeurIPS 2020)
PDF Paper (publisher) Code Repository Colab Notebook Tensorflow Playground Data
Implicit Neural Representations with Periodic Activation Functions

Neural Sensors: Learning Pixel Exposures for HDR Imaging and Video Compressive Sensing with Programmable Sensors

We optimize the shutter function of a programmable sensor for each pixel individually to produce coded snapshots that can be reconstructed into HDR images and high-speed videos.
Julien NP Martel, Lorenz Mueller, Stephen J Carey, Piotr Dudek, Gordon Wetzstein
July 2020 IEEE Transactions on Pattern Analysis and Machine Intelligence
PDF Paper (publisher)
Neural Sensors: Learning Pixel Exposures for HDR Imaging and Video Compressive Sensing with Programmable Sensors

Adaptive motor control and learning in a spiking neural network realised on a mixed-signal neuromorphic processor

Sebastian Glatz, Julien N.~P. Martel, Raphaela Kreiser, Ning Qiao, Yulia Sandamirskaya
October 2018 arXiv e-prints
PDF
Adaptive motor control and learning in a spiking neural network realised on a mixed-signal neuromorphic processor

A Neuromorphic Approach to Path Integration: A Head-Direction Spiking Neural Network with Vision-driven Reset

Raphaela Kreiser, Matteo Cartiglia, Julien NP Martel, Joerg Conradt, Yulia Sandamirskaya
May 2018 2018 IEEE International Symposium on Circuits and Systems (ISCAS)
PDF DOI
A Neuromorphic Approach to Path Integration: A Head-Direction Spiking Neural Network with Vision-driven Reset

Live Demonstration: An Active System for Depth Reconstruction using Event-Based Sensors

Julien N. P. Martel, Jonathan Müller, Jörg Conradt, Yulia Sandamirskaya
January 2018 Circuits and Systems (ISCAS), 2018 IEEE International Symposium on
PDF
Live Demonstration: An Active System for Depth Reconstruction using Event-Based Sensors

Kernelized Synaptic Weight Matrices

Lorenz K. Muller, Julien N. P. Martel, Giacomo Indiveri
January 2018 International Conference in Machine Learning, ICML'18
PDF
Kernelized Synaptic Weight Matrices

An Active Approach to Solving the Stereo Matching Problem using Event-Based Sensors

Julien N. P. Martel, Jonathan Müller, Jörg Conradt, Yulia Sandamirskaya
January 2018 Circuits and Systems (ISCAS), 2018 IEEE International Symposium on
PDF
An Active Approach to Solving the Stereo Matching Problem using Event-Based Sensors

Real-Time Depth From Focus on a Programmable Focal Plane Processor

Julien N. P. Martel, Lorenz K Müller, Stephen J Carey, Jonathan Müller, Yulia Sandamirskaya, Piotr Dudek
January 2017 IEEE Transactions on Circuits and Systems I: Regular Papers
PDF
Real-Time Depth From Focus on a Programmable Focal Plane Processor

Neural Dynamic Architecture for Action Parsing using SCAMP.

Julien N. P. Martel, David Lobato, Yulia Sandamirskaya
January 2017 IEEE/RSJ Internat. Conf. on Intelligent Robots and Systems, IROS'15, workshop on Semantic Parsing for Action Recognition (SPAR)
PDF
Neural Dynamic Architecture for Action Parsing using SCAMP.

Live demonstration: Depth from focus on a focal plane processor using a focus tunable liquid lens

Julien N. P. Martel, Lorenz K Müller, Stephen J Carey, Jonathan Müller, Yulia Sandamirskaya, Piotr Dudek
January 2017 Circuits and Systems (ISCAS), 2017 IEEE International Symposium on
PDF
Live demonstration: Depth from focus on a focal plane processor using a focus tunable liquid lens

High-speed depth from focus on a programmable vision chip using a focus tunable lens

Julien N. P. Martel, Lorenz K Müller, Stephen J Carey, Piotr Dudek
January 2017 Circuits and Systems (ISCAS), 2017 IEEE International Symposium on
PDF
High-speed depth from focus on a programmable vision chip using a focus tunable lens

Color temporal contrast sensitivity in dynamic vision sensors

Diederik Paul Moeys, Chenghan Li, Julien N. P. Martel, Simeon Bamford, Luca Longinotti, Vasyl Motsnyi, David San Segundo Bello, Tobi Delbruck
January 2017 Circuits and Systems (ISCAS), 2017 IEEE International Symposium on
PDF
Color temporal contrast sensitivity in dynamic vision sensors

Vision Chips with In-pixel Processors for High-performance Low-power Embedded Vision Systems

Julien N. P. Martel, Piotr Dudek
January 2016 International Symposium on Code Generation and Optimization (CGO), Workshop ASR-MOV
PDF
Vision Chips with In-pixel Processors for High-performance Low-power Embedded Vision Systems

Parallel High Dynamic Range Imaging and Tone Mapping, EP-16170546

Julien N. P. Martel, Lorenz K. Muller
January 2016
Parallel High Dynamic Range Imaging and Tone Mapping, EP-16170546

Parallel hdr tone mapping and auto-focus on a cellular processor array vision chip

Julien N. P. Martel, Lorenz K Müller, Stephen J Carey, Piotr Dudek
January 2016 Circuits and Systems (ISCAS), 2016 IEEE International Symposium on
PDF
Parallel hdr tone mapping and auto-focus on a cellular processor array vision chip

Efficient convolutional neural networks for pixelwise classification on heterogeneous hardware systems

Fabian Tschopp, Julien N. P. Martel, Srinivas C Turaga, Matthew Cook, Jan Funke
January 2016 Biomedical Imaging (ISBI), 2016 IEEE 13th International Symposium on
PDF
Efficient convolutional neural networks for pixelwise classification on heterogeneous hardware systems

A real-time high dynamic range vision system with tone mapping for automotive applications

Julien N. P. Martel, Lorenz K Müller, Stephen J Carey, Piotr Dudek
January 2016 CNNA 2016; 15th International Workshop on Cellular Nanoscale Networks and their Applications; Proceedings of
PDF
A real-time high dynamic range vision system with tone mapping for automotive applications

A neuromorphic approach for tracking using dynamic neural fields on a programmable vision-chip

Julien N. P. Martel, Yulia Sandamirskaya
January 2016 Proceedings of the 10th International Conference on Distributed Smart Camera
PDF
A neuromorphic approach for tracking using dynamic neural fields on a programmable vision-chip

A Demonstration of Tracking using Dynamic Neural Fields on a Programmable Vision Chip

Julien N. P. Martel, Yulia Sandamirskaya, Piotr Dudek
January 2016 Proceedings of the 10th International Conference on Distributed Smart Camera
PDF
A Demonstration of Tracking using Dynamic Neural Fields on a Programmable Vision Chip

Toward joint approximate inference of visual quantities on cellular processor arrays

Julien N. P. Martel, Miguel Chau, Piotr Dudek, Matthew Cook
January 2015 Circuits and Systems (ISCAS), 2015 IEEE International Symposium on
PDF
Toward joint approximate inference of visual quantities on cellular processor arrays

Pixel interlacing to trade off the resolution of a cellular processor array against more registers

Julien N. P. Martel, Miguel Chau, Matthew Cook, Piotr Dudek
January 2015 Circuit Theory and Design (ECCTD), 2015 European Conference on
PDF
Pixel interlacing to trade off the resolution of a cellular processor array against more registers

A Framework of Relational Networks to Build Systems with Sensors able to Perform the Joint Approximate Inference of Quantities.

Julien N. P. Martel, Matthew Cook
January 2015 IEEE/RSJ Internat. Conf. on Intelligent Robots and Systems, IROS'15, workshop on Unconventional Computing for Bayesian Inference (UCBI)
PDF
A Framework of Relational Networks to Build Systems with Sensors able to Perform the Joint Approximate Inference of Quantities.

Candidate sampling for neuron reconstruction from anisotropic electron microscopy volumes

Jan Funke, Julien N. P. Martel, Stephan Gerhard, Bjoern Andres, Dan C Cireşan, Alessandro Giusti, Luca M Gambardella, Jürgen Schmidhuber, Hanspeter Pfister, Albert Cardona, others
January 2014 International Conference on Medical Image Computing and Computer-Assisted Intervention
PDF
Candidate sampling for neuron reconstruction from anisotropic electron microscopy volumes

Segmented anisotropic ssTEM dataset of neural tissue

Stephan Gerhard, Jan Funke, Julien N. P. Martel, Albert Cardona, Richard Fetter
January 2013 Retrieved
Dataset
Segmented anisotropic ssTEM dataset of neural tissue

A Combination of Hand-Crafted and Hierarchical High-Level Learnt Feature Extraction for Music Genre Classification

Julien N. P. Martel, Toru Nakashika, Christophe Garcia, Khalid Idrissi
January 2013 International Conference on Artificial Neural Networks
A Combination of Hand-Crafted and Hierarchical High-Level Learnt Feature Extraction for Music Genre Classification