Computer Vision and Robotics Research Group

Computing Science, University of Alberta

Computer Vision

Medical imaging

Robotics



Vision-based Modeling of dynamic Appearance and Deformation of Human Actors

Capture a concise representation of human deformation and appearance in a low-cost environment that can be seamlessly integrated into entertainment and Virtual Reality applications. ...

Incremental Free-Space Carving for Real-Time 3D Reconstruction

A real-time algorithm for the automatic reconstruction of 3D models of general scenes from video that uses approximate incremental method based on visibility or free-space constraints. ...

On-line tracking and modeling

On-line 3D reconstruction from tracked feature points. ...

An image-based capture system

A quick and easy to use image-based modeling system for the acquisition of both 3D geometry and visual appearance of real world objects. ...

3D SSD Tracking

3D SSD tracking A 3D consistent model is imposed to all tracked SSD regions, thus supporting direct tracking of camera position. ...

Variational Shape and Reflectance Estimation

Variational method implemented as a PDE-driven surface evolution interleaved with reflectance estimation....
Lots of demos at Neil's webpage

Modeling with dynamic texture

Inaccuracies in a coarse geometry obtained using structure-from-motion is compensated by an image-based correction - dynamic texture. ...

Range intensity registration

A novel image-based algorithm for registering camera intesity data with range data from a laser rangefinder. ...

Wavelet light basis

A wavelet based light representation used for representing and capturing light. ...



Tumor growth prediction

Predicting tumor invasion margin using a geodesic distance defined on the Riemannian manifold of white fibers. ...
Stability study and MSc thesis on Parisa's webpage

Semi-automatic segmentation software

A semi-automatic software for medical image segmentation. ...
See also project description on Neil's webpage

FEM for fast image registration

A finite element implementation for the diffusion-based non-rigid registration algorithm. ...

A continuous formulation of Conditional Random Fields (CRFs)

A variational formulation for a discriminative model in image segmentation. ...

Brain Tumor Segmentation

A variational segmentation method applied to a high-dimensional feature set computed from the MRI. ...

Muscle and fat segmentation

Muscle and adipose tissue segmentation in CT images based on a deformable shape. ...

RW for deformable image registration

A discrete registration method based on the random walker algorithm. ...



Uncalibrated Visual Servoing

Vision-based motion control of a WAM arm without using camera calibration or knowledge of camera/robot transformation for use in unstructured environments ...

Multi-View Visual Servoing

The projective geometry of three views is reconstructed from uncalibrated images for 6 DOF manipulator control  ...


Predictive display

A predictive display system provided immediate visual feedback from robot site at the operator site. ...

Predictive display Using Incremental Free-Space Carving

Incremental Free-Space Carving was tested in a telerobotics setting, where a human operates a remote robot over a communication channel with latency ...

Modular Design of a Mobile Manipulator

An advanced dual-arm mobile manipulator is prototyped for research in semi-autonomous teleoperation and supervisory control ...



Telerobotics and Space Exploration

We have a partnership with the Canadian Space Agency (CSA) to develop semi-autonomous supervised control in space telerobotics using uncalibrated vision for traking and modeling....

Image-based model for robot localization

Panoramic image mosaic augmented with depth information applied to robot localization. ...