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Traiter des données pour valider une hypothèse ou estimer des paramètres est longtemps resté du ressort exclusif des statistiques. Cependant, l'augmentation de leur dimension a fait exploser la combinatoire des possibles. Cette malédiction de la dimensionalité est une difficulté centrale de l'analyse de données, que ce soit des images, sons, textes, ou des mesures expérimentales comme en physique, biologie ou économie. Modéliser et représenter les structures cachées des données fait appel à diverses branches des mathématiques, mais aussi à l'informatique. Les algorithmes d'apprentissage statistique, comme les réseaux de neurones, sont configurés pour optimiser l'analyse des données à partir d'exemples. Ils sont à l'origine des résultats spectaculaires de l'intelligence artificielle. Les applications scientifiques, industrielles et sociétales sont considérables, et leurs performances progressent bien plus vite que notre maîtrise de leurs propriétés mathématiques.
La chaire propose un enseignement de mathématiques appliquées, qui tente de combler le fossé entre la jungle des nouveaux développements algorithmiques et la compréhension des principes généraux sous-jacents. Les applications couvrent tous les aspects du traitement du signal et de l'apprentissage statistique. Au-delà des statistiques et des probabilités, cela fait appel à l'analyse harmonique, à l'optimisation et à la géométrie. L'étude d'applications et de nouveaux algorithmes est proposée dans le cadre de challenges de données, qui sont organisés par la chaire.
L'équipe de recherche de Stéphane Mallat à l'ENS étudie les principes permettant de structurer l'analyse de données pour échapper à la malédiction de la dimensionalité. Elle développe notamment des modèles de réseaux de neurones, basés sur des principes de séparation d'échelles par ondelettes, de parcimonie et d'invariance. Les applications concernent aussi bien la reconnaissance d'images ou de sons que l'estimation de mesures physiques. Pour plus d'informations, on pourra consulter le site internet de l'équipe de recherche.
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In the academic year 2013-14, the department celebrated the centenary of its establishment as Barnett House in 1914. Initially independent from the University, Barnett House moved into a closer relationship with the University and eventually became a department.
We celebrated – and continue to celebrate - 100 years of rich history: Barnett House has played a significant part in many of the key debates in the history of voluntary endeavor, social policy, and social research in Britain. Alumni have held or hold prestigious positions in academia, the professions and public service, nationally and internationally. Throughout the year, we held a number of events, including a special Centenary Seminar Series and the Centenary Alumni Lecture, which are available on this page. -
Ryan Stacey is a certified Private Investigator, the President and C.E.O. of Black Light Investigative and Surveillance Services and the Former National Chief Investigator for MUFON CANADA.
Ryan is considered an expert in the UFO/Paranormal field and has been featured on television, has lectured at major conferences and has had many articles published. He is writing his first book, "BELIEVE" , an Investigative Study building a bridge between the borders of Paranormal and Extra-Terrestrial Phenomena.
Ryan has personally investigated over 1000 Paranormal/UFO sightings internationally.
Ryan is the founder of a volunteer group, The Experiencer Support Association (TESA), which assists anyone that has come into contact with apparitions, haunts, poltergeists and other unusual phenomena associated with the subject.
It does not matter what the topic is, or the nature of the subject. Ryan Stacey is an investigator through and through. If you want answers, he will find it. Ryan has been a private investigator since 2009 and continues to help the public privately with issues ranging from infidelity to strange sounds, shadows and lights in the sky.
No matter how strange, no matter how unfamiliar, Ryan will get to the bottom of it. -
Editors at The Lancet Oncology, in conversation with the journal’s authors, explore their latest research and its impact on people’s health, healthcare, and health policy.
A monthly audio companion to the journal, this podcast covers a broad range of topics, from early-stage breast cancer treatment to mRNA vaccines, the access to essential cancer medicines for children to measuring ovarian toxicity, and more.
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Chemistry has a central, irreplaceable role to play in solving global energy challenges. From turning carbon dioxide into fuel, to producing new materials for the storage of hydrogen, research at Oxford Chemistry is securing our future. To find out more about our research, please visit: http://energy.chem.ox.ac.uk/
For more information about the science discussed in these podcasts, please visit the websites in the menus. -
This podcast highlights the research of the Central European University students on historical, cultural, socio-political issues related to Central Asia. The project is based on two perspectives that stem from the backgrounds of two hosts: Elmira from Kazakhstan and Grace from the US. This ‘inside/out’ perspective will shed light on persistent assumptions about this region. Episodes will investigate different research approaches from the perspectives of local and external scholars, traditions, and theories.
Season 1 was recorded during the spring of the academic year 2020-2021
Music credits: Raindrops from MusicFox https://www.musicfox.com/en/info/free-music.php -
Only scientists who are honest and authentic or are working towards it will be on this podcast.
Professor Brene Brown's research shows that vulnerability fosters good emotional and mental health. It is a sign of courage. We become more resilient and brave when we embrace who we truly are and what we are feeling. The Vulnerable Scientist Podcast is a space for scientists to tell their honest and authentic stories.
I am your host Sarah Nyakeri who happens to be a scientist, Informal science communicator and I help scientists create personal websites.
If you want to support this show, go to www.patreon.com/thevulnerablescientist.com You can also follow this podcast on all social media platforms @TVScientistPod
Hosted on Acast. See acast.com/privacy for more information.
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Rule Your Pool is a podcast by Orenda Technologies. This show was created for pool owners, operators, and service pros who want the best water quality possible. If you want to know what's really going on with your swimming pool chemistry, this might be the podcast for you. Each week, we'll cover a new topic related to swimming pools, water chemistry, or indoor air quality. With our help, you'll be able to rule your pool without over-treating it with chemicals and wasting money.
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Dr. Ettensohn is a clinical psychologist who specializes in treating narcissism and related disorders. This podcast discusses pathological narcissism from a compassionate and non-stigmatizing perspective. It is for individuals who struggle with narcissism, their loved ones, and the general public.
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The Modern Extractor is a podcast about the processes, equipment, and science found inside a cannabis extraction laboratory. Season one focuses on the process of ethanol extraction and post processing into either distillate or isolate. Season two focuses on hydrocarbon extraction and the craft concentrates that it can produce. Each episode digs deep into a particular stage in the extraction and finishing processes, and we discuss the various approaches with industry expert guests. Episodes are released in an order which follows the work flow through a lab, following material closely through the process from cultivar to concentrate.
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Educators from around the world come together to chat about various topics. Support this podcast: https://podcasters.spotify.com/pod/show/edumatch-tweet-talk/support
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Some people are born with a drive often seen in entrepreneurs, pro-athletes, adventurers and Navy SEALs. It's in their DNA. Research has shown that certain genes can manifest resilient and highly focused people who can also be impulsive, easily distracted and struggle with addiction. If you have these traits, it can create havoc in your life. You may be diagnosed with ADHD or OCD.
But what the world tells you is a disorder may actually be your greatest gift.
Here to help is psychologist and author, Dr. Douglas Brackmann. Using his experience in teaching the highly Driven how to master their gift, Doug provides the insights and tools you need to master yours. Listen to interviews with Driven individuals to learn from their successes, their set-backs, and know you are in good company on the path to manifesting the life you've always wanted. -
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What have computers got to do with cows? Can a wooden mirror help us understand the computing behind digital image capture? Neil Rowse is the first dairy farmer in the UK to use a computerised system that gives cows control over when they are milked, and allows him to remotely monitor the welfare of individual animals. Daniel Rozin has created an computer operated mirror made from 835 tilting wooden tiles. With the help of a digital camera and a computer programme, the wooden tiles mimic the digital pixel information and tilt themselves into a ‘reflection’. This material is taken from The Open University course T224 Computers and processors.
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