Underlying many structured light systems, especially those based on laser scanning, is a simple vision…
Research Categories
3D Imaging and Vision Projects
Single-photon 3D cameras can record the time-of-arrival of billions of photons per second with picosecond…
We provide methods which recover planar scene geometry by utilizing the transient histograms captured by a class…
Image sensors capable of capturing individual photons have made tremendous technological progress in recent years. …
Time-resolved image sensors that capture light at pico-to-nanosecond timescales were once limited to niche applications…
Single-photon avalanche diodes (SPADs) are an emerging pixel technology for time-of-flight (ToF) 3D cameras that…
Structured light 3D imaging systems have inherent tradeoffs balancing the precision of the 3D scan…
Single-pixel distance sensors are a low-power, low-cost option for distance ranging, and are often attached…
For several vision and robotics applications, 3D geometry of man-made environments such as indoor scenes…
We present inertial safety maps (ISM), a novel scene representation designed for fast detection of…
Structured light (SL) 3D imaging face a trade-off between acquisition and computational complexity. Multi-shot SL…
Multi-camera interference (MCI) is an important challenge faced by continuous-wave time-of-flight (C-ToF) cameras. In the…
A conventional camera sensor needs hundreds of photon per pixel to form an image. A…
The depth resolution achieved by a continuous wave time-of-flight (C-ToF) imaging system is determined by the…
Three dimensional imaging techniques have been widely used in both industry and academia. Time-of-flight (ToF)…
Structured light-based 3D reconstruction methods often illuminate a scene using patterns with 1D translational symmetry…
Structured light 3D scanning systems are fundamentally constrained by limited sensor bandwidth and light source…
Global illumination effects such as inter-reflections and subsurface scattering result in systematic, and often significant…
Most active scene recovery techniques assume that a scene point is illuminated only directly by…
Time-of-flight (ToF) cameras are fast becoming the method of choice for depth sensing in a…
In most outdoor settings, vision systems operate on a limited power budget. For active systems,…
Phase shifting is one of the most widely used shape measurement techniques. Because of its…
We have designed structured light patterns that are resilient to individual global illumination effects using…
Today, structured light systems are widely used in applications such as robotic assembly, visual inspection,…