Lisboa, Lisboa, Portugal
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How can you compare and select the best ML algorithms?
Whenever data is limited (e.g. labelled health data can be expensive), it is worth checking which samples are considered more “uncertain” by the model before obtaining its annotation. Which level of confidence was a given sample classified with? By selecting low-confidence samples, we can induce a more significant impact on the learning process, which is equivalent to achieving the same performance with less data. This is because we are discarding samples that are considered “redundant”. In those cases, we opt to not obtaining their annotation, reducing cost.
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How can you compare and select the best ML algorithms?
It’s worth mentioning that models can respond differently depending on preprocessing parameters. Therefore, unless preprocessing is already being considered as an integrating step of the algorithm, it’s important to take this into account and tune the preprocessing stages for each of them, for a fair comparison.
Atividades
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I am very happy to announce my very first paper has been published at MDPI's Diagnostics Special Issue in Machine Learning and Medical Imaging! It…
I am very happy to announce my very first paper has been published at MDPI's Diagnostics Special Issue in Machine Learning and Medical Imaging! It…
Afonso Ferreira gostou
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Last week I attended my first international conference, the EURO - The Association of European Operational Research Societies. I benefited from many…
Last week I attended my first international conference, the EURO - The Association of European Operational Research Societies. I benefited from many…
Afonso Ferreira gostou
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Had a great time in Porto at the Iberian Chapter of ISMRM meeting where I had the opportunity to present my work both as a pitch and as a poster. The…
Had a great time in Porto at the Iberian Chapter of ISMRM meeting where I had the opportunity to present my work both as a pitch and as a poster. The…
Afonso Ferreira gostou
Experiência e formação acadêmica
Licenças e certificados
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“Best Poster by Accenture” at E.Awards@Técnico's 2021/2022 edition
Instituto Superior Técnico
Emitido em -
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Experiência de voluntariado
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Social volunteering
Externato Frei Luís de Sousa
- 1 ano 1 mês
Alívio à pobreza
I have visited and supplied food for old people in need with my school's volunteering group. We also spent time with some of them at their homes, so that they wouldn't feel lonely.
Cursos
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English Summer Course - Embassy Summer
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Idiomas
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Portuguese
Nível nativo ou bilíngue
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Spanish
Nível básico a intermediário
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English
Nível intermediário
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French
Nível básico
Mais atividade de Afonso
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Roughly 25 years after enrolling in higher education, 20 years after completing my BSc, and less than 10 years after completing my PhD, I’m proud to…
Roughly 25 years after enrolling in higher education, 20 years after completing my BSc, and less than 10 years after completing my PhD, I’m proud to…
Afonso Ferreira gostou
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Meet Camila Abreu !💡 Camila is 21 years old and she is from the Madeira island. When she was 17, Camila moved to Lisbon. Recently, she…
Meet Camila Abreu !💡 Camila is 21 years old and she is from the Madeira island. When she was 17, Camila moved to Lisbon. Recently, she…
Afonso Ferreira gostou
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A Magnetic Field-Based Wearable Respiration Sensor for Real-Time Monitoring During Pulmonary Rehabilitation https://lnkd.in/ggW7R22a This work…
A Magnetic Field-Based Wearable Respiration Sensor for Real-Time Monitoring During Pulmonary Rehabilitation https://lnkd.in/ggW7R22a This work…
Afonso Ferreira gostou
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Last week at IEEE MELECON2024 Conference in Porto, I had the pleasure to chair the Digital Transformation Session and present the paper "Integrating…
Last week at IEEE MELECON2024 Conference in Porto, I had the pleasure to chair the Digital Transformation Session and present the paper "Integrating…
Afonso Ferreira gostou
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From June 25th (today) to June 27th (Thursday), I'm at the 22nd IEEE Mediterranean Electrotechnical Conference (MELECON - IEEE Portugal; IEEE). On…
From June 25th (today) to June 27th (Thursday), I'm at the 22nd IEEE Mediterranean Electrotechnical Conference (MELECON - IEEE Portugal; IEEE). On…
Afonso Ferreira gostou
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🔍 CEGIST Researcher Snapshot: Meet Our Team We want to introduce you Francisco Viterbo, a dedicated PhD student, whose research delves into the…
🔍 CEGIST Researcher Snapshot: Meet Our Team We want to introduce you Francisco Viterbo, a dedicated PhD student, whose research delves into the…
Afonso Ferreira gostou
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⚠️🚨 YOURS TRULY WILL BE ROASTED 🚨⚠️ Dear all, I'll be on the grill for what might (arguably) be my last academic title defense before a jury…
⚠️🚨 YOURS TRULY WILL BE ROASTED 🚨⚠️ Dear all, I'll be on the grill for what might (arguably) be my last academic title defense before a jury…
Afonso Ferreira gostou
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People: How can you work in respiratory field if you studied physics? Respiratory field: I enjoy every time to see how math accurately describes…
People: How can you work in respiratory field if you studied physics? Respiratory field: I enjoy every time to see how math accurately describes…
Afonso Ferreira gostou
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