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Property "Talk-20abstract" (as page type) with input value "La-20visualisation-20scientifique-20est-20un-20domaine-20qui-20vise-20à-20aider-20les-20utilisateurs-20-0Aà-20(i)-20représenter,-20(ii)-20explorer-20et-20(iii)-20analyser-20des-20données-20géométriques-20-0Aacquises-20ou-20simulées,-20à-20des-20fins-20d'interprétation,-20de-20validation-20ou-20de-20-0Acommunication.-20Parmi-20les-20techniques-20existantes,-20les-20algorithmes-20inspirés-20par-20-0Ala-20théorie-20de-20Morse-20ont-20démontré-20leur-20utilité-20dans-20ce-20contexte-20pour-20-0Al'extraction-20efficace-20et-20robuste-20de-20structures-20d'intérêts,-20et-20ce,-20à-20plusieurs-20-0Aéchelles-20d'importance.-0A-0ADans-20cette-20présentation,-20je-20donnerai-20un-20bref-20tutoriel-20sur-20l'analyse-20-0Atopologique-20de-20champs-20scalaires,-20en-20introduisant-20quelques-20concepts-20clés-20comme-20-0Acelui-20de-20graphe-20de-20Reeb,-20de-20complexe-20de-20Morse-2DSmale-20ou-20de-20diagramme-20de-20-0Apersistance.-20Par-20ailleurs,-20j'illustrerai-20ces-20notions-20par-20des-20cas-20-0Ad'applications-20concrets-20en-20astrophysique,-20chimie-20moléculaire-20ou-20-0Aencore-20en-20combustion.-0AEnsuite,-20je-20discuterai-20certaines-20problématiques-20pratiques-20ayant-20récemment-20-0Aémergé-20avec-20le-20développement-20des-20ressources-20de-20calcul-20haute-2Dperformance.-20Ces-20-0Aproblématiques-20induisent-20non-20seulement-20des-20jeux-20de-20données-20d'une-20taille-20-0Ainédite,-20mais-20également-20des-20types-20nouveaux-20de-20données,-20comme-20les-20champs-20-0Ascalaires-20multivariés-20ou-20incertains.-20Ces-20difficultés-20ne-20sont-20pas-20uniquement-20-0Aintéressantes-20pour-20la-20communauté-20de-20recherche-20à-20cause-20de-20leur-20forte-20importance-20-0Apratique,-20mais-20aussi-20parce-20qu'elles-20nécessitent-20un-20redémarrage-20complet-20de-20-0Al'effort-20de-20recherche-20entrepris-20dans-20ce-20domaine-20ces-20vingt-20dernières-20années.-20En-20-0Aparticulier,-20je-20présenterai-20de-20nouvelles-20directions-20de-20recherche,-20étayées-20par-20-0Ades-20résultats-20préliminaires-20récents-20concernant-20l'analyse-20topologique-20dans-20un-20-0Acontexte-20de-20calcul-20haute-2Dperformance,-20ainsi-20que-20l'analyse-20topologique-20de-20-0Achamps-20scalaires-20incertains-20ou-20bivariés." contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.

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