Çağlayan Tuna is a research engineer with nine years of experience applying machine learning to spatio-temporal and longitudinal data, from satellite-image time series in his PhD to neural approaches for X-ray and behavioral video analysis. He has strong hands-on expertise in tensor methods and contributed to the popular TensorLy library by implementing non-negative CP/Tucker decompositions and HALS updates, bridging academic algorithms with production-ready Python code. His work spans the research–industry interface, including collaborative projects with Airbus Helicopters and Paris brain research centers, where he deployed YOLO and Faster-RCNN for applied detection tasks. Comfortable with high-dimensional, noisy datasets, he combines methodological rigor with pragmatic engineering and an eye for reproducible open-source development. Based in Paris, he now focuses on longitudinal neurological data and deep-learning video analytics, bringing a rare mix of remote-sensing foundations and biomedical applications.
9 years of coding experience
7 years of employment as a software developer
Doctor of Philosophy - PhD, Doctor of Philosophy - PhD at University of South Brittany
Master's degree, Satellite Communication and Remote Sensing, Master's degree, Satellite Communication and Remote Sensing at Istanbul Technical University
Contributions:46 reviews, 134 commits, 34 PRs in 1 year 7 months
Contributions summary:Çağlayan contributed to the development of tensor decomposition methods, including non-negative CP decomposition, and the implementation of HALS (Hierarchical Alternating Least Squares) algorithm for non-negative Tucker decomposition. They added the function of non_negative_tucker_hals function with several updates related to core update methods and sparsity coefficients. They also worked on the implementation of smoothness and monotonicity proximal operators.
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Çağlayan Tuna - Research Engineer at Institut Pasteur