45 citations
- Universidade Tecnológica Federal do ParanáBR5 papers
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- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ1 paper
- Macedonian Academy of Sciences and ArtsMK1 paper
- Massachusetts General HospitalUS1 paper
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT1 paper
- Universidade de São PauloBR1 paper
- Universidade Estadual de Ponta GrossaBR1 paper
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- Universidade Federal de São PauloBR1 paper
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math.RA2026
Sum of two strictly n-zero matrices
Ivan Gargate, Edgar Saenz
In this work we investigate when an Jordan matrix can be written as the sum of two strictly -zero matrices. In particular, we show that if is an algebra…
cs.CV2026★ 5 cited
X-Ray cardiac angiographic vessel segmentation based on pixel classification using machine learning and region growing
E O Rodrigues, L O Rodrigues, J J Lima +6
This work proposes a pixel-classification approach for vessel segmentation in x-ray angiograms. The proposal uses textural features such as anisotropic diffusion, features based on…