Dec. 1st, 2011 While recognition in still images has received a lot of attention over the past years, recognition in videos is just emerging. In this talk I will present some recent results. Bags of features have demonstrated good performance for action recognition in videos. We briefly review the underlying…
Nov. 17, 2011 Preprocessing or data reductions means reducing the input to something simpler by solving an easy part of the input and this is the type of algorithms used in almost every application. In spite of wide practical applications of preprocessing, a systematic theoretical study of such algorithms remains…
20 oct. 2011 Ma complicité avec ce sujet date de longtemps, pas tout à fait assez pour dire que j’y étais depuis le début, mais quand même…. Ainsi, je vais vous raconter comment on a obtenu, aux alentours de l’année 1979, les premiers résultats mathématiques sur la dynamique de ce…
June 9, 2011 The role of mathematics in understanding and simulating fluid dynamics and biochemical processes in the physiological and pathological functioning of the human cardiovascular system is becoming more and more crucial. These phenomena are indeed correlated with the origin of some major cardiovascular pathologies, and influence the efficacy…
12 mai 2011 Le but de la conférence est d’exposer des problèmes simples de conception de réseaux qui m’ont intrigués pendant de nombreuses années et continuent de m’intriguer. Les réseaux de télécommunications mais aussi les réseaux routiers ou sociaux se modélisent bien avec des graphes. Les sommets représentent les routeurs…
Apr. 14, 2011 Numerous applications of economics are based on models that assume individual economic actors take prices as given. Indeed, this assumption underlies many empirical studies. The question of whether such an assumption can be justified as arising in the context of individual and group optimizing behavior has been…
March 31, 2011 The current Internet consists of tens of thousand different interconnected autonomous networks. It was designed to support large populations of point-to-point content transfers. This introduces considerable headaches due imbalances in traffic flows, which has the effect of complicating network management, reducing the robustness of the Internet, and…
Feb. 10, 2011 In this talk I will survey a number of current and recent projects underway in the Research Group at Pixar. To set context for the discussion I’ll begin with a brief overview of our production pipeline. I’ll also discuss how we approach research at Pixar, including how…
13 janvier 2011 La transposition des concepts informatiques de programmation et de vérification, à la modélisation et l’analyse des processus biochimiques au sein de la cellule, ouvre un nouveau champ de recherche pour la maîtrise de la complexité et la compréhension des phénomènes en biologie cellulaire. Tandis que la théorie…
