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Category: research

This Twitter Thread Shows Why Academia Is Yet Not Safe For Women

20 May 201920 May 2019 Paola Elefante Leave a comment

In 2019, academic institutions are still willing to turn a blind eye when it comes to sexual harassment. It doesn't matter if terrifying stats keep being published. No one is willing to take a serious stand. Reality is, women and men have complete different experiences of a career in academia. I never met any context […]

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The future together

23 November 201723 November 2017 Paola Elefante Leave a comment

Since fall 2016, I'm a regular contributor to the magazine Yliopisto-lehti. I write columns, based on my experiences as a professional, an expat, and even simply as myself. Articles are translated and published in Finnish, but I'll be publishing a translation of my pieces in English here on my blog. The future together (originally published […]

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A small guide to Random Forest - part 2

17 March 201617 March 2016 Paola Elefante 1 Comment

This is the second part of a simple and brief guide to the Random Forest algorithm and its implementation in R. If you missed Part I, you can find it here. randomForest in R R has a package called randomForest which contains a randomForest function. If you want to explore in depth this implementation, I […]

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A small guide to Random Forest - part 1

11 March 201611 March 2016 Paola Elefante 1 Comment

I've recently started playing with Kaggle and got curious about one of the most famous classification/regression framework, Random Forest. In a problem of classification or regression, several random decision trees (a "forest") are built and at the end the outputs are combined ("bagging"). The intuition is that randomness and a meaningful quantity of trees will avoid […]

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Women in Mathematics in Finland: Amal Attouchi

10 March 201610 March 2016 Paola Elefante Leave a comment

As promised, the series of lectures continues, after the inaugural event hosted by the Department of Mathematics and Statistics of University of Helsinki. This time I'll travel to University of Jyväskylä and the guest speaker will be Amal Attouchi, local postdoctoral researcher. Amal graduated in 2014 at Université Paris XIII, with a thesis on PDEs titled […]

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Open Data: CT datasets and prototypes

22 February 201622 February 2016 Paola Elefante Leave a comment

In my research work, I often find it difficult to get datasets for X-ray CT for method validation, neither simulated and real data. Of course, there's the classic Shepp-Logan phantom, but in many cases it would save a lot of work to download datasets to test one's methods. As for my knowledge, there is no broad […]

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Science Slam Helsinki 2015: a triumph for Inverse Problems

13 January 201623 February 2016 Paola Elefante Leave a comment

Last November I attended a fun event here in Helsinki: a sort of mix between science and stand-up comedy called Science Slam Helsinki. A Science Slam is a form of science communication to general audience. Each scientist gives a short talk (10-15 mins) to popularise science. Often such events are held in non-academic places, like pubs. Science […]

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Visual Tips: Cropping multiple images

1 January 201623 February 2016 Paola Elefante 5 Comments

I think many people in research would confess they waste an unfair deal of time on their presentation visuals or on computer tasks as making a video out of their simulation data, improving quality of images for presentations and such. And how about all those LaTeX fine tricks one needs from time to time and […]

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Live from Inverse Days 2015: baby on board

9 December 20159 December 2015 Paola Elefante Leave a comment

This week I did something a little crazy, dictated by necessity: I took my 2 year old girl to a conference, namely the Inverse Days in Lappeenranta. We drove from Espoo (bad idea) on Monday evening and will stay until Thursday, cutting at half day to get home not too late. Baby-wise it went much […]

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Mathematicians Go Hollywood

27 November 201527 November 2015 Paola Elefante Leave a comment

Did you know that in 2008 a mathematician won an Academy Award? Do you know how to model realistic hair for animation movies or a bomb deflagrating for an action movie? Or you simply need some effective active contour segmentation method? All these questions have in common an effective, yet intuitive, mathematical framework: level set […]

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