Seminars

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Periods and Poincaré series

Speaker: Tiago Fonseca - Mathematical Institute, University of Oxford
Fri 15 Jan 2021, 10:30 - Palestra Virtual / Online LectureGeometry, Arithmetic and Differential Equations of Periods (GADEPs)

Abstract: Poincaré series are among the first examples of modular forms. They are useful in many analytic questions, but their Fourier coefficients seem hard to grasp algebraically. In this talk, I will discuss the arithmetic nature of Fourier coefficients of Poincaré series by characterizing them as periods of modular motives.

https://us02web.zoom.us/j/87458679036


Deep Lip Reading: a comparison of models and an online application

Speaker: Alessandro Ferreira Leite - UNB
Wed 20 Jan 2021, 13:30 - Palestra Virtual / Online LectureComputer Graphics

Abstract: This talk presents the state-of-the-art models for lip reading - visual speech recognition. Three architectures are discussed and compareds: (i) a recurrent model using LSTMs; (ii) a fully convolutional model; and (iii) the recently proposed transformer model. Also, an application using the fully convolutional model for online (real time) lip reading of continuous speech is demonstrated

To watch the live presentation at 13:30, 20/01 please access the URL https://youtu.be/bJf9Kl7aiVw