Nuno Fachada
@nunofachada.bsky.social
AI, ML, Stats, ABM, Games, HPC, OOP, FOSS, Complexity and so on!
Professor U. Lusofona, Researcher CTS/UNINOVA
Professor U. Lusofona, Researcher CTS/UNINOVA
The latest preprint by Diogo Andrade proposes a new method to extract tree-like structures from #3Dsurfaces for smarter #proceduralgeneration and #spatialanalysis.
#ULusofona #PCG #computationalgeometry #games #computergames #videogames #steinertree #🎮
arxiv.org/abs/2510.15886
#ULusofona #PCG #computationalgeometry #games #computergames #videogames #steinertree #🎮
arxiv.org/abs/2510.15886
Structural Tree Extraction from 3D Surfaces
This paper introduces a method to extract a hierarchical tree representation from 3D unorganized polygonal data. The proposed approach first extracts a graph representation of the surface, which serve...
arxiv.org
October 24, 2025 at 2:54 PM
The latest preprint by Diogo Andrade proposes a new method to extract tree-like structures from #3Dsurfaces for smarter #proceduralgeneration and #spatialanalysis.
#ULusofona #PCG #computationalgeometry #games #computergames #videogames #steinertree #🎮
arxiv.org/abs/2510.15886
#ULusofona #PCG #computationalgeometry #games #computergames #videogames #steinertree #🎮
arxiv.org/abs/2510.15886
🎓Congrats to our (now former) PhD student Alina Petukhova on a brilliant thesis defense!
Many thanks to our colleagues from @upv.es, @istecnico.bsky.social, and Lusófona University, for their roles on the jury and their rigorous and constructive feedback.
www.ulusofona.pt/en/news/ulus...
Many thanks to our colleagues from @upv.es, @istecnico.bsky.social, and Lusófona University, for their roles on the jury and their rigorous and constructive feedback.
www.ulusofona.pt/en/news/ulus...
ULusófona Researcher Defends Doctoral Thesis with Pioneering Contribution to AI | Universidade Lusófona
Unanimously approved, the thesis is the eighth in the PhD in Informatics at Lusófona University – Lisbon University Centre.
www.ulusofona.pt
October 18, 2025 at 2:57 PM
🎓Congrats to our (now former) PhD student Alina Petukhova on a brilliant thesis defense!
Many thanks to our colleagues from @upv.es, @istecnico.bsky.social, and Lusófona University, for their roles on the jury and their rigorous and constructive feedback.
www.ulusofona.pt/en/news/ulus...
Many thanks to our colleagues from @upv.es, @istecnico.bsky.social, and Lusófona University, for their roles on the jury and their rigorous and constructive feedback.
www.ulusofona.pt/en/news/ulus...
GPT-4.1 sets a new benchmark: reliably generating Python code for tough experiments with little-known libraries, while revealing gaps in docs. 📄
#AI #Python #Research #GPT41 @ULusofona @UNINOVA @lasige #codegeneration #codequality #LLMs
www.mdpi.com/1999-5903/17...
#AI #Python #Research #GPT41 @ULusofona @UNINOVA @lasige #codegeneration #codequality #LLMs
www.mdpi.com/1999-5903/17...
www.mdpi.com
September 15, 2025 at 5:05 PM
GPT-4.1 sets a new benchmark: reliably generating Python code for tough experiments with little-known libraries, while revealing gaps in docs. 📄
#AI #Python #Research #GPT41 @ULusofona @UNINOVA @lasige #codegeneration #codequality #LLMs
www.mdpi.com/1999-5903/17...
#AI #Python #Research #GPT41 @ULusofona @UNINOVA @lasige #codegeneration #codequality #LLMs
www.mdpi.com/1999-5903/17...
A simple question about our robot’s cleanup turned into a deep dive… and the definition of a new discrete statistical distribution 🤓🗑️➡️📊
Not world-changing, but definitely a fun journey with great colleagues!
👌U. Lusófona CTS/UNINOVA, FCUL, LASIGE, FCT
www.sciencedirect.com/science/arti...
Not world-changing, but definitely a fun journey with great colleagues!
👌U. Lusófona CTS/UNINOVA, FCUL, LASIGE, FCT
www.sciencedirect.com/science/arti...
August 25, 2025 at 11:45 AM
A simple question about our robot’s cleanup turned into a deep dive… and the definition of a new discrete statistical distribution 🤓🗑️➡️📊
Not world-changing, but definitely a fun journey with great colleagues!
👌U. Lusófona CTS/UNINOVA, FCUL, LASIGE, FCT
www.sciencedirect.com/science/arti...
Not world-changing, but definitely a fun journey with great colleagues!
👌U. Lusófona CTS/UNINOVA, FCUL, LASIGE, FCT
www.sciencedirect.com/science/arti...
⛰️ Realistic landscapes can be generated by stacking iterations of 2D #cellularautomata into heightmaps! New paper to be presented at #IEEECoG next week.
💪With António Rodrigues, Diogo de Andrade, and @phil-lopes.com
👌 #ULusofona, #HEILab, #CTS/#UNINOVA, #FCT
ieeexplore.ieee.org/document/111...
💪With António Rodrigues, Diogo de Andrade, and @phil-lopes.com
👌 #ULusofona, #HEILab, #CTS/#UNINOVA, #FCT
ieeexplore.ieee.org/document/111...
Generating 3D Terrain with 2D Cellular Automata
This paper explores the use of 2D cellular automata (CA) to generate 3D terrains through a simple additive approach. Experimenting with multiple CA transition rules produced aesthetically interesting,...
ieeexplore.ieee.org
August 23, 2025 at 2:46 PM
⛰️ Realistic landscapes can be generated by stacking iterations of 2D #cellularautomata into heightmaps! New paper to be presented at #IEEECoG next week.
💪With António Rodrigues, Diogo de Andrade, and @phil-lopes.com
👌 #ULusofona, #HEILab, #CTS/#UNINOVA, #FCT
ieeexplore.ieee.org/document/111...
💪With António Rodrigues, Diogo de Andrade, and @phil-lopes.com
👌 #ULusofona, #HEILab, #CTS/#UNINOVA, #FCT
ieeexplore.ieee.org/document/111...
👹 New paper by Diogo Andrade where we propose a modified #WFC algorithm to generate unpredictable liminal #horror environments that heighten player unease. Diogo will be presenting it next week at #IEEECoG 2025 at @istecnico.bsky.social in #Lisbon.
ieeexplore.ieee.org/document/111...
ieeexplore.ieee.org/document/111...
Liminal Procedural Horror
This article introduces a method for exploring liminal horror environments using a modified Wave Function Collapse algorithm. This approach employs real-time generated regions to create infinite, non-...
ieeexplore.ieee.org
August 21, 2025 at 10:09 AM
👹 New paper by Diogo Andrade where we propose a modified #WFC algorithm to generate unpredictable liminal #horror environments that heighten player unease. Diogo will be presenting it next week at #IEEECoG 2025 at @istecnico.bsky.social in #Lisbon.
ieeexplore.ieee.org/document/111...
ieeexplore.ieee.org/document/111...
New preprint: Can #LLMs run computational experiments?
✅ #GPT41 nailed it
⚖️ #Grok3 & #Mistral did well
❌ Smaller local models couldn't keep up
Tks: @ULusofona, @UNINOVA, FCUL, @lasige, @fct_pt, ILIND
arxiv.org/abs/2508.00033
✅ #GPT41 nailed it
⚖️ #Grok3 & #Mistral did well
❌ Smaller local models couldn't keep up
Tks: @ULusofona, @UNINOVA, FCUL, @lasige, @fct_pt, ILIND
arxiv.org/abs/2508.00033
GPT-4.1 Sets the Standard in Automated Experiment Design Using Novel Python Libraries
Large Language Models (LLMs) have advanced rapidly as tools for automating code generation in scientific research, yet their ability to interpret and use unfamiliar Python APIs for complex computation...
arxiv.org
August 4, 2025 at 10:56 AM
New preprint: Can #LLMs run computational experiments?
✅ #GPT41 nailed it
⚖️ #Grok3 & #Mistral did well
❌ Smaller local models couldn't keep up
Tks: @ULusofona, @UNINOVA, FCUL, @lasige, @fct_pt, ILIND
arxiv.org/abs/2508.00033
✅ #GPT41 nailed it
⚖️ #Grok3 & #Mistral did well
❌ Smaller local models couldn't keep up
Tks: @ULusofona, @UNINOVA, FCUL, @lasige, @fct_pt, ILIND
arxiv.org/abs/2508.00033
New version 1.1.4 of PyClugen, your multidimensional #Python synthetic #cluster generator, available on @pypi.org with a very small #bugfix.
#syntheticdata #clustering #clusteringalgorithms #multidimensionaldata #unsupervisedlearning
pypi.org/project/pycl...
#syntheticdata #clustering #clusteringalgorithms #multidimensionaldata #unsupervisedlearning
pypi.org/project/pycl...
pyclugen
Multidimensional cluster generation in Python
pypi.org
July 19, 2025 at 1:34 PM
New version 1.1.4 of PyClugen, your multidimensional #Python synthetic #cluster generator, available on @pypi.org with a very small #bugfix.
#syntheticdata #clustering #clusteringalgorithms #multidimensionaldata #unsupervisedlearning
pypi.org/project/pycl...
#syntheticdata #clustering #clusteringalgorithms #multidimensionaldata #unsupervisedlearning
pypi.org/project/pycl...
New paper out! It's an overview of deep learning methods for 2D semantic segmentation with benchmarks, datasets, metrics, and insights into future directions.
Acks ➡️ Lusófona University, FCT, CTS/UNINOVA, LASIGE/FCUL
#semanticsegmentation #deeplearning #2dsegmentation
www.mdpi.com/2673-4117/6/...
Acks ➡️ Lusófona University, FCT, CTS/UNINOVA, LASIGE/FCUL
#semanticsegmentation #deeplearning #2dsegmentation
www.mdpi.com/2673-4117/6/...
www.mdpi.com
July 18, 2025 at 2:27 PM
New paper out! It's an overview of deep learning methods for 2D semantic segmentation with benchmarks, datasets, metrics, and insights into future directions.
Acks ➡️ Lusófona University, FCT, CTS/UNINOVA, LASIGE/FCUL
#semanticsegmentation #deeplearning #2dsegmentation
www.mdpi.com/2673-4117/6/...
Acks ➡️ Lusófona University, FCT, CTS/UNINOVA, LASIGE/FCUL
#semanticsegmentation #deeplearning #2dsegmentation
www.mdpi.com/2673-4117/6/...
📝 New paper by our PhD student Afonso Oliveira in #DoCEIS25: "Detection and Characterization of PlumeDominated Wildfires" 🔥
Thanks for the support: U. Lusófona, Fundação para a Ciência e a Tecnologia, CTS/UNINOVA, LASIGE/FCUL!
#wildfires #plumefires #fireplumes
link.springer.com/chapter/10.1...
Thanks for the support: U. Lusófona, Fundação para a Ciência e a Tecnologia, CTS/UNINOVA, LASIGE/FCUL!
#wildfires #plumefires #fireplumes
link.springer.com/chapter/10.1...
Detection and Characterization of Plume-Dominated Wildfires
Extreme wildfires are increasingly hazardous, particularly plume-dominated fires, which exhibit unpredictable behavior due to their self-sustaining convective columns. Despite their significance, thes...
link.springer.com
July 18, 2025 at 8:40 AM
📝 New paper by our PhD student Afonso Oliveira in #DoCEIS25: "Detection and Characterization of PlumeDominated Wildfires" 🔥
Thanks for the support: U. Lusófona, Fundação para a Ciência e a Tecnologia, CTS/UNINOVA, LASIGE/FCUL!
#wildfires #plumefires #fireplumes
link.springer.com/chapter/10.1...
Thanks for the support: U. Lusófona, Fundação para a Ciência e a Tecnologia, CTS/UNINOVA, LASIGE/FCUL!
#wildfires #plumefires #fireplumes
link.springer.com/chapter/10.1...