Paper “Testing the Differences of Using RGB and HSV Histograms During Evolution in Evolutionary Art” in ECTA

This week we are presenting the paper “Testing the Differences of Using RGB and HSV Histograms During Evolution in Evolutionary Art” in the Evolutionary Computation Theory and Applications.

This is the work we developed in the Hackathon of the Spanish Free Software Contest of the University of Granada with the help of several students of our university (who are also authors!).

In this work we have added Processing to our OSGiLiath (service oriented architecture for evolutionary algorithms) framework to generate images from individual representations to work with generative art. The fitness is the equality to a predefined image. HSV, RGB and a combination of both have been used.

The abstract:

This paper compares the use of RGB and HSV histograms during the execution of an Evolutionary Algorithm. This algorithm generates abstract images that try to match the histograms of a target image. Three different fitness functions have been used to compare: the differences between the individual with the RGB histogram of the test image, the HSV histogram, and an average of the two histograms at the same time. Results show that the HSV fitness also increases the similarities of the RGB (and therefore, the average) more than the other two measures.

And here is the poster:



OSGiLiath at #GECCO2013

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OSGiLiath Evolutionary Framework

This week several members of Geneura group and ANYSELF project are attending to GECCO 2013 conference in Amsterdam. I’ve presented two papers related with OSGiLiath:

The first one, entitled Developing Services in a Service Oriented Architecture for Evolutionary Algorithms has been presented inside the EvoSoft workshop. It is a more technical continuation of the work “Service Oriented Evolutionary Algorithms“. Here is the abstract:

This paper shows the design and implementation of services for Evolutionary Computation in the Service Oriented Architecture paradigm. This paradigm allows independence in language and distribution, but the development requires to manage some technological and design issues, such as abstract design or unordered execution. To solve them, OSGiLiath, an implementation of an abstract Service Oriented Architecture for Evolutionary Algorithms, is used to develop new interoperable services taking into account these restrictions.

And here the presentation:

I also have presented the work “A Service Oriented…

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Evolutionary Algorithms in Heterogeneous Nodes

Today I presented a brief talk about some papers about the usage of heterogeneous computers for distributed EAs:

All these ideas (and new ones) are being applied in our Service Oriented Architecture for Evolutionary Algorithms, we hope to show interesting results soon!

Here is the presentation (in Spanish).

Service Oriented Architecture for Research (an example in Evolutionary Computation)

Past week I presented my research line to other young researchers of the CITIC-UGR, inside the CITICoffee meetings (a Science Coffee to discuss about our work, without bosses or pressure, but with coffee and pastries!).

Although the slides are in Spanish, there are also diagrams with text in English, so it is not difficult to follow. They also include a Jackie Chan meme!

If you are interested in this kind of research (further results are now in the revision process), check this preliminary paper: draft or published version in Springer Link.