Material palette: Extraction of materials from a single image

I Lopes, F Pizzati, R de Charette - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
Abstract Physically-Based Rendering (PBR) is key to modeling the interaction between light
and materials and finds extensive applications across computer graphics domains. However …

Investigating the impact of multi-lidar placement on object detection for autonomous driving

H Hu, Z Liu, S Chitlangia… - Proceedings of the …, 2022 - openaccess.thecvf.com
The past few years have witnessed an increasing interest in improving the perception
performance of LiDARs on autonomous vehicles. While most of the existing works focus on …

Holocurtains: Programming light curtains via binary holography

D Chan, SG Narasimhan… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Light curtain systems are designed for detecting the presence of objects within a user-
defined 3D region of space, which has many applications across vision and robotics …

Energy-Efficient Adaptive 3D Sensing

B Tilmon, Z Sun, SJ Koppal, Y Wu… - Proceedings of the …, 2023 - openaccess.thecvf.com
Active depth sensing achieves robust depth estimation but is usually limited by the sensing
range. Naively increasing the optical power can improve sensing range but induces eye …

Towards a mems-based adaptive lidar

F Pittaluga, Z Tasneem, J Folden… - … Conference on 3D …, 2020 - ieeexplore.ieee.org
We present a proof-of-concept LIDAR design that allows adaptive real-time measurements
according to dynamically specified measurement patterns. We describe our optical setup …

Holodepth: Programmable Depth-Varying Projection via Computer-Generated Holography

D Chan, M O'Toole, S Ma, J Wang - European Conference on Computer …, 2024 - Springer
Typical projectors are designed to programmably display 2D content at a single depth. In
this work, we explore how to engineer a depth-varying projector system that is capable of …

Active perception using light curtains for autonomous driving

S Ancha, Y Raaj, P Hu, SG Narasimhan… - Computer Vision–ECCV …, 2020 - Springer
Most real-world 3D sensors such as LiDARs perform fixed scans of the entire environment,
while being decoupled from the recognition system that processes the sensor data. In this …

Exploiting & refining depth distributions with triangulation light curtains

Y Raaj, S Ancha, R Tamburo, D Held… - Proceedings of the …, 2021 - openaccess.thecvf.com
Active sensing through the use of Adaptive Depth Sensors is a nascent field, with potential in
areas such as Advanced driver-assistance systems (ADAS). They do however require …

Light-Efficient Holographic Illumination for Continuous-Wave Time-of-Flight Imaging

D Chan, M O'Toole - SIGGRAPH Asia 2023 Conference Papers, 2023 - dl.acm.org
Time-of-flight (TOF) cameras have seen widespread adoption in recent years across the
entire spectrum of commodity devices. However, these devices are fundamentally limited by …

Active velocity estimation using light curtains via self-supervised multi-armed bandits

S Ancha, G Pathak, J Zhang, S Narasimhan, D Held - Autonomous Robots, 2024 - Springer
To navigate in an environment safely and autonomously, robots must accurately estimate
where obstacles are and how they move. Instead of using expensive traditional 3D sensors …