All Stories

  1. Boosting Mixed-Initiative Co-Creativity in Game Design: A Tutorial

    Article • ACM Computing Surveys, September 2025, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  2. Evolutionary Art and Design in the Machine Learning Era

    Article • July 2025, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  3. Contribution of Probabilistic Structured Grammatical Evolution to efficient exploration of the search space. A case study in glucose prediction

    Article • July 2025, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  4. Desire-Driven Selection: An Epigenetic Experiment in Genetic Programming

    Article • July 2025, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  5. NGQR: A Novel Generalized Quantum Image Representation

    Article • IEEE Transactions on Emerging Topics in Computing, July 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  6. Guidelines for designing visualization tools for group fairness analysis in binary classification

    Article • Artificial Intelligence Review, March 2025, Springer Science + Business Media

    Dr. Penousal Machado

  7. Factors Impacting Landscape Ruggedness in Control Problems: A Case Study

    Article • January 2025, Springer Science + Business Media

    Sarah Thomson, Dr. Penousal Machado

  8. ENERGIZE: A Neuroevolution Framework for Energy-Efficient Machine Learning

    Article • IEEE Transactions on Evolutionary Computation, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  9. Towards the Automatic Evaluation of Legibility for Graphic Design Posters

    Article • January 2025, Springer Science + Business Media

    Dr. Penousal Machado

  10. Expanding Design Horizons: Evolutionary Tool for Parametric Design Exploration with Interactive and CLIP-Based Evaluation

    Article • November 2024, Springer Science + Business Media

    Dr. Penousal Machado

  11. MI-CCy Quantifier: A Framework for Quantifying Mixed-Initiative Co-creativity in Human-AI Collaborations

    Article • November 2024, Springer Science + Business Media

    Dr. Penousal Machado

  12. PhDs—Portugal has Doctors: A Visualization of Academia Achievements in Portugal From 1970 to 2022

    Article • IEEE Computer Graphics and Applications, September 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  13. Exploring Evolutionary Generators within Generative Adversarial Networks

    Article • July 2024, ACM (Association for Computing Machinery)

    Francisco Baeta, Dr. Penousal Machado

  14. Evolutionary Art and Design in the Machine Learning Era

    Article • July 2024, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  15. Evaluation Metrics for Automated Typographic Poster Generation

    Article • January 2024, Springer Science + Business Media

    JJ Merelo, Dr. Penousal Machado

  16. Towards Robust Evaluation of Aesthetic and Photographic Quality Metrics: Insights from a Comprehensive Dataset

    Article • Complexity, January 2024, Wiley

    Dr. Penousal Machado

  17. Evolving User Interfaces: A Neuroevolution Approach for Natural Human-Machine Interaction

    Article • January 2024, Springer Science + Business Media

    Dr. Penousal Machado

  18. Evolving Visually-Diverse Graphic Design Posters

    Article • January 2024, Springer Science + Business Media

    Dr. Penousal Machado

  19. Grammar-Based Evolution of Polyominoes

    Article • January 2024, Springer Science + Business Media

    Dr. Penousal Machado

  20. MMQW: Multi-Modal Quantum Watermarking Scheme

    Article • IEEE Transactions on Information Forensics and Security, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  21. Towards Physical Plausibility in Neuroevolution Systems

    Article • January 2024, Springer Science + Business Media

    Dr. Penousal Machado

  22. The Influence of Probabilistic Grammars on Evolution

    Article • July 2023, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  23. Exploring Generative Adversarial Networks for Text-to-Image Generation with Evolution Strategies

    Article • July 2023, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  24. Biological insights on grammar-structured mutations improve fitness and diversity

    Article • July 2023, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  25. ANTENNA: Visual Analytics of Mobility Derived from Cellphone Data

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  26. All You Need is Sex for Diversity

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  27. Context Matters: Adaptive Mutation for Grammars

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  28. EvoDesigner: Aiding the Exploration of Innovative Graphic Design Solutions

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  29. GP-Based Generative Adversarial Models

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  30. Towards the Evolution of Prompts with MetaPrompter

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  31. Under the Hood of Transfer Learning for Deep Neuroevolution

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  32. Using Autoencoders to Generate Skeleton-Based Typography

    Article • January 2023, Springer Science + Business Media

    Dr. Penousal Machado

  33. EvoDesigner: Evolving Poster Layouts

    Article • Entropy, November 2022, MDPI AG

    Dr. Penousal Machado

  34. “Found in Translation”: An Evolutionary Framework for Auditory–Visual Relationships

    Article • Entropy, November 2022, MDPI AG

    Dr. Penousal Machado

  35. Experiments in evolutionary image enhancement with ELAINE

    Article • Genetic Programming and Evolvable Machines, November 2022, Springer Science + Business Media

    Dr. Penousal Machado

  36. ESSYS* Sharing #UC: An Emotion-driven Audiovisual Installation

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  37. Interactive Installation depicting public contracts held in Portugal

    Article • Proceedings of the ACM on Computer Graphics and Interactive Techniques, September 2022, ACM (Association for Computing Machinery)

    Pedro Nuno Silva, Dr. Penousal Machado

  38. TGPGAN

    Article • July 2022, ACM (Association for Computing Machinery)

    Francisco Baeta, Dr. Penousal Machado

  39. Exploring expression-based generative adversarial networks

    Article • July 2022, ACM (Association for Computing Machinery)

    Francisco Baeta, Dr. Penousal Machado

  40. Exploring Genetic Programming in TensorFlow with TensorGP

    Article • SN Computer Science, February 2022, Springer Science + Business Media

    Dr. Penousal Machado

  41. Force-Directed Timelines: Visualizing & Exploring Temporal Patterns

    Article • Big Data Research, February 2022, Elsevier

    Dr. Penousal Machado

  42. State of the Art on Artificial Intelligence in Land Use Simulation

    Article • Complexity, January 2022, Wiley

    Dr. Penousal Machado

  43. Correction to: SpeechTyper: From Speech to Typographic Composition

    Article • January 2022, Springer Science + Business Media

    Dr. Penousal Machado

  44. Evolving Adaptive Neural Network Optimizers for Image Classification

    Article • January 2022, Springer Science + Business Media

    Dr. Penousal Machado

  45. Evolving Data Augmentation Strategies

    Article • January 2022, Springer Science + Business Media

    Dr. Penousal Machado

  46. Multivariate Data Exploration Through Coordinated Views

    Article • IEEE Access, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  47. SpeechTyper: From Speech to Typographic Composition

    Article • January 2022, Springer Science + Business Media

    Dr. Penousal Machado

  48. Visualization and Self-Organising Maps for the Characterisation of Bank Clients

    Article • January 2022, Springer Science + Business Media

    Dr. Penousal Machado

  49. Unreachable

    Article • October 2021, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  50. Improved evolution of generative adversarial networks

    Article • July 2021, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  51. On the exploitation of neuroevolutionary information

    Article • July 2021, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  52. Evolutionary art and design

    Article • July 2021, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  53. Visualisation Tool to Support Fraud Detection

    Article • July 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  54. Speed benchmarking of genetic programming frameworks

    Article • June 2021, ACM (Association for Computing Machinery)

    Francisco Baeta, Dr. Penousal Machado

  55. Exploring Automatic Fitness Evaluation for Evolutionary Typesetting

    Article • June 2021, ACM (Association for Computing Machinery)

    Sérgio Rebelo, Dr. Penousal Machado

  56. Fast-DENSER: Fast Deep Evolutionary Network Structured Representation

    Article • SoftwareX, June 2021, Elsevier

    Dr. Penousal Machado

  57. The X-Faces Behind the Portraits of No One

    Article • SN Computer Science, April 2021, Springer Science + Business Media

    Dr. Penousal Machado

  58. Casa das Máquinas: An Artificial Dialogue of Portuguese Poetry

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  59. Demonstrating the Evolution of GANs Through t-SNE

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  60. Evolutionary Typesetting: An Automatic Approach Towards the Generation of Typographic Posters from Tweets

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  61. Evolving Image Enhancement Pipelines

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  62. Probabilistic Grammatical Evolution

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  63. TensorGP – Genetic Programming Engine in TensorFlow

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  64. Utilizing the Untapped Potential of Indirect Encoding for Neural Networks with Meta Learning

    Article • January 2021, Springer Science + Business Media

    Dr. Penousal Machado

  65. A Genetic Programming-Based Low-Level Instructions Robot for Realtimebattle

    Article • Entropy, November 2020, MDPI AG

    Dr. Penousal Machado

  66. Portraits of No One: An Internet Artwork

    Article • October 2020, ACM (Association for Computing Machinery)

    Sérgio Rebelo, Dr. Penousal Machado

  67. Visual Blending for Concept Representation: A Case Study on Emoji Generation

    Article • New Generation Computing, September 2020, Springer Science + Business Media

    Dr. Penousal Machado

  68. Exploring Time-Series Through Force-Directed Timelines

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  69. Money Leave(s) Portugal: an Aesthetic Exploration of Public Investments

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  70. VaBank: Visual Analytics for Banking Transactions

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  71. Dynamic Visual Identities: Exploring Variation Mechanisms to Achieve Flexibility

    Article • July 2020, Springer Science + Business Media

    Dr. Penousal Machado

  72. Adea - Evolving glyphs for aiding creativity in typeface design

    Article • July 2020, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  73. AutoLR

    Article • June 2020, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  74. Exploring the evolution of GANs through quality diversity

    Article • June 2020, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  75. Conceptual Representations for Computational Concept Creation

    Article • ACM Computing Surveys, January 2020, ACM (Association for Computing Machinery)

    Raquel Hervás, Dr. Penousal Machado

  76. Evolution of Scikit-Learn Pipelines with Dynamic Structured Grammatical Evolution

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  77. Evolutionary Latent Space Exploration of Generative Adversarial Networks

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  78. Evolving visual artefacts based on consumption patterns

    Article • International Journal of Arts and Technology, January 2020, Inderscience Publishers

    Dr. Penousal Machado

  79. GlyphSOMe: Using SOM with Data Glyphs for Customer Profiling

    Article • January 2020, Scitepress

    Dr. Penousal Machado

  80. Incremental Evolution and Development of Deep Artificial Neural Networks

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  81. Neuroevolution of Generative Adversarial Networks

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  82. Portraits of No One: An Interactive Installation

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  83. Using Skill Rating as Fitness on the Evolution of GANs

    Article • January 2020, Springer Science + Business Media

    Dr. Penousal Machado

  84. Designing Posters Towards a Seamless Integration in Urban Surroundings

    Article • October 2019, ACM (Association for Computing Machinery)

    Sérgio Rebelo, Dr. Penousal Machado

  85. Stop and Care

    Article • October 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  86. Emojinating

    Article • October 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  87. Deep Learning for Expressive Music Generation

    Article • October 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  88. «Máquina de Ouver» - From Sound to Type

    Article • October 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  89. CroP—Coordinated Panel visualization for biological networks analysis

    Article • Bioinformatics, September 2019, Oxford University Press (OUP)

    Dr. Penousal Machado

  90. Visual complexity modelling based on image features fusion of multiple kernels

    Article • PeerJ, July 2019, PeerJ

    Dr. Penousal Machado

  91. Evolutionary data augmentation in deep face detection

    Article • July 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  92. COEGAN

    Article • July 2019, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  93. MixMash

    Article • International Journal of Art Culture Design and Technology, July 2019, IGI Global

    Dr. Penousal Machado

  94. Evolving Stencils for Typefaces: Combining Machine Learning, User’s Preferences and Novelty

    Article • Complexity, March 2019, Hindawi Publishing Corporation

    Dr. Penousal Machado

  95. Designing Dynamic Logotypes to Represent Data

    Article • International Journal of Art Culture Design and Technology, January 2019, IGI Global

    Dr. Penousal Machado

  96. Aesthetic Composition Indicator Based on Image Complexity

    Article • January 2019, IGI Global

    Dr. Penousal Machado

  97. Automatic Design of Artificial Neural Networks for Gamma-Ray Detection

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  98. Breaking the Mould An Evolutionary Quest for Innovation Through Style Change

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  99. Coevolution of Generative Adversarial Networks

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  100. Emojinating: Evolving Emoji Blends

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  101. Evolving Virtual Ecology

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  102. Fast DENSER: Efficient Deep NeuroEvolution

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  103. Interactive Evolution of Swarms for the Visualisation of Consumptions

    Article • January 2019, Springer Science + Business Media

    Dr. Penousal Machado

  104. Smart City Portrayal

    Article • October 2018, Taylor & Francis

    Dr. Penousal Machado

  105. DENSER: deep evolutionary network structured representation

    Article • Genetic Programming and Evolvable Machines, September 2018, Springer Science + Business Media

    Dr. Penousal Machado

  106. EuroGP 2018 panel debate

    Article • ACM SIGEVOlution, August 2018, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  107. Automatic Evolution of AutoEncoders for Compressed Representations

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  108. Consumption as a Rhythm: A Multimodal Experiment on the Representation of Time-Series

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  109. Interactive Network Visualization of Gene Expression Time-Series Data

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  110. MixMash: A Visualisation System for Musical Mashup Creation

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  111. Olhos Music Fest _Branding

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  112. Radial Calendar of Consumption

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  113. The Many-Faced Plot: Strategy for Automatic Glyph Generation

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  114. Interactive and coordinated visualization approaches for biological data analysis

    Article • Briefings in Bioinformatics, March 2018, Oxford University Press (OUP)

    Dr. Penousal Machado

  115. Evolving the Topology of Large Scale Deep Neural Networks

    Article • January 2018, Springer Science + Business Media

    Dr. Penousal Machado

  116. Evotype: Towards the Evolution of Type Stencils

    Article • January 2018, Springer Science + Business Media

    Dr. Penousal Machado

  117. Parallel Problem Solving from Nature – PPSN XV

    Article • January 2018, Springer Science + Business Media

    Dr. Penousal Machado

  118. Parallel Problem Solving from Nature – PPSN XV

    Article • January 2018, Springer Science + Business Media

    Dr. Penousal Machado

  119. Structured Grammatical Evolution: A Dynamic Approach

    Article • January 2018, Springer Science + Business Media

    Dr. Penousal Machado

  120. On the role of aesthetics in genetic algorithms applied to graph drawing

    Article • July 2017, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  121. Automatic generation of neural networks with structured Grammatical Evolution

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Penousal Machado

  122. An artificial neural networks approach for assessment treatment response in oncological patients using PET/CT images

    Article • BMC Medical Imaging, February 2017, Springer Science + Business Media

    Dr. Penousal Machado

  123. Hexagonal gridded maps and information layers

    Article • November 2016, ACM (Association for Computing Machinery)

    Dr. Penousal Machado

  124. Image descriptors in radiology images: a systematic review

    Article • Artificial Intelligence Review, June 2016, Springer Science + Business Media

    Dr. Penousal Machado