3 papers
cs.CV2026
Unsupervised Local Plasticity in a Multi-Frequency VisNet Hierarchy
Mehdi Fatan Serj, C. Alejandro Parraga, Xavier Otazu
We introduce an unsupervised visual representation learning system based entirely on local plasticity rules, without labels, backpropagation, or global error signals. The model is…
cs.CV2026
Improving VisNet for Object Recognition
Mehdi Fatan Serj, C. Alejandro Parraga, Xavier Otazu
Object recognition plays a fundamental role in how biological organisms perceive and interact with their environment. While the human visual system performs this task with remarkab…
cs.CV2025
Aesthetics Without Semantics
C. Alejandro Parraga, Olivier Penacchio, Marcos MuÅoz Gonzalez +2
While it is easy for human observers to judge an image as beautiful or ugly, aesthetic decisions result from a combination of entangled perceptual and cognitive (semantic) factors,…