Some Research Topics and  Projects (Past and Present)

Focus on Image Processing, Computer Vision and Pattern Recognition


 

Image Denoising and Enhancement (software available):

                                              

     Original Image                                        Noisy Image                                            Denoised Image

Related publications (click here for the full publications list)

 


Multiscale Image Segmentation (software available):

                                       

      Original Image                                     Enhanced Image                                 Segmented Image

 

 

orig       noisy         seg

                    Original Image                                            Noisy Image                                                    Segmented Image

Related publications (click here for the full publications list)

 


 

Vision-based Driver Assistance Systems (software available):

dep1 dep4 dep5 dep6 dep7 dep8

Lane departure detection: red lane borders indicate lane departure. DivX movie available (~1MB) – See movie

 

Related publications (click here for the full publications list)

 

 


Background Subtraction with Shadow Removal  (software available):

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image044image040image042

 

Related publications (click here for the full publications list)

 

 


 

Wavelet-based Texture Synthesis and Image Inpainting:

 


Texture Synthesis

Image Inpainting (click here for video)


Related publication (click
here for the full publications list)

 


Object Tracking, focused on pedestrian and face (software available):

 

 

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                               Click here to see a vídeo (~1MB)

                  

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We also provide some original videos with ground truth data for tracking algorithms related to one of our trackers. See the CPD Tracker page for more details.

For pedestrian tracking using calibrated cameras, please go to Gustavo Fuhr's research page

Related publications (click here for the full publications list)


Detection of Events/Unusual Motion:

Clustering in the feature space                                                             Clusters of trajectories (outliers in black)

 

Related publications (click here for the full publications list)


                                  


Audio and/or Video-based Approaches for Voice Activity Detection (VAD) and Sound Source Localization (SSL)

 

Visual VAD (Based on lip motion)

Audiovisual VAD (click here for video)


Related publications (click
here for the full publications list)

                                  


Stereo/Multiview Stereo Matching and View Interpolation

 

Reference image

Domain tesselation

Initial disparity map

Refined disparity map


Related publications (click
here for the full publications list)


Human Body Segmentation in Still Images (cooperation with PUC-RS)

 

Silhouette graphs

Example of  body segmentation (red points separate different body parts)


Related publications (click
here for the full publications list)


Defocus Blur Estimation (software available):

Blurry Image

Estimate

Original  Image

Defocus Blur Estimation

Related publications (click here for the full publications list)



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