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1.
Matlab Code for Stereo Disparity Segmentation
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(2014)
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Here it is finally, the segmentation code that I had promised quite long time ago! The Matlab code segments stereo disparity maps using a model based on implicit dynamic surfaces (also known as level sets). ...
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Created on 07 May 2014
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2.
Representation Spaces
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(2013)
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Abstract: Correspondence techniques start from the assumption, based on the Lambertian reflection model, that the apparent brightness of a surface is independent of the observer's angle of view. From this ...
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Created on 07 August 2013
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3.
Experimental Study of Image Representation Spaces in Variational Disparity Calculation
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(Publications)
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Abstract
Correspondence techniques start from the assumption, based on the Lambertian reflection model, that the apparent brightness of a surface is independent of the observer's angle of view. From this ...
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Created on 16 November 2012
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4.
Spatial and Temporal Constraints in Variational Correspondence Methods
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(Publications)
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... We feel that the right way to go is combining strengths of both the bottom-up (data driven) and top-down (model driven) approaches in order for machine vision to be used successfully in a number of real ...
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Created on 16 November 2012
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5.
Low-cost Sensor to Detect Overtaking Based on Optical-Flow
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(Publications)
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... generation by optical flow, using a simple digital microcontroller. Our model can detect an approaching vehicle (multiple-lane overtaking scenarios) and warn the driver about the risk of changing lanes. ...
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Created on 16 November 2012
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6.
Active Contour Code
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(2012)
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I have made an example, with Matlab code included, related to both geometric- and geodesic level sets models. The example shows how the boundary separating inner- and outer parts of the segment can be ...
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Created on 11 November 2012
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7.
Geometric Active Contour Code
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(Code samples)
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In the following you can find code for segmentation based on geometric/geodesic active contours. Implementations are based on the following papers:
A Geometric Model for Active Contours, Caselles ...
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Created on 11 November 2012
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8.
Complete thesis
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(2012)
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... All this information, including one complete chapter explaining how the related models can be solved effiiently, can be found in the complete version of my phd thesis!
...
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Created on 18 September 2012
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9.
Universidad de Chile
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(Affiliations)
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... between structure and function in lipid model systems and phenomena on sub-cellular, cellular, and supra-cellular levels in the field of developmental biology, neurobiology, or membrane biophysics."
Peopl ...
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Created on 22 June 2012
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10.
Diffusion Code
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(Code samples)
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This is a tutorial about non-linear (scalar) diffusion, modelled using a PDEs (Partial DIfferential Equation) and an efficient way of solving the equation. The solver used here is based on AOS (Additive ...
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Created on 21 June 2012
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11.
Level-Set Based Disparity Map Segmentation Code
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(Code samples)
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... in order to make the resulting program more efficient. The mathematical model, upon which the algorithm is based on, is explained quite well in my phd thesis. Therefore, if you want to get an in depth ...
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Created on 09 May 2012
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12.
Optical Flow Code
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(Code samples)
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One complete chapter of my thesis is devoted to explaining how the variational optical flow, disparity and level-set models can be solved. In this chapter I show, step by step, how these models can be ...
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Created on 09 May 2012
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13.
Stereo Disparity Code
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(Code samples)
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Variational methods for approximating disparity and optical flow are quite similar. Basically the same model that can be used for approximating optical flow with big displacements (late linearisation with ...
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Created on 09 May 2012
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14.
More information
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(Publications)
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... model can detect an approaching vehicle (multiple-lane overtaking scenarios) and warn the driver about the risk of changing lanes. Thanks to the use of tightly coupled analog and digital processors, th ...
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Created on 09 May 2012
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15.
Segmentation
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(Topics)
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Level-set Based Segmentation in 2D
Before introducing the actual model used for segmenting 2D images, few things related to explicit and implicit curve representations are discussed. Before going ...
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Created on 09 May 2012
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16.
Optical Flow
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(Topics)
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... by optical flow we refer apparent movement of the pixels on the image plane. Based on the Lambertian surface model, we expect that any change in the illumination level of a pixel is due to movement, as ...
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Created on 09 May 2012
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17.
Stereo Disparity
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(Topics)
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... tional model (based on the calculus of variations). In order to get a better insight of the model and how it is resolved, have a look at my thesis. In the variational disparity calculation the energy fun ...
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Created on 09 May 2012
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18.
LUT
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(Affiliations)
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... h interests include object detection and recognition, multi-modal estimation and control for robotics, visual inspection, retinal image processing and analysis, and modeling of photoactive biomolecules ...
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Created on 09 May 2012
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19.
ATC
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(Affiliations)
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... re inclined to the models behind the machine-vision and learning. The group has produced open source tools, like real-time visualization environment.
Our Group Members
Eduardo, Ros. Full professor
Javi ...
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Created on 09 May 2012