[Lisa_seminaires] Fwd: Predoc oral de Dumitru Erhan

Dumitru Erhan dumitru.erhan at umontreal.ca
Sam 9 Aou 12:48:10 EDT 2008



Begin forwarded message:

> From: mignotte at iro.umontreal.ca
> Date: August 8, 2008 5:57:20 PM EDT (CA)
> To: seminaires at iro.umontreal.ca
> Subject: Predoc oral de Dumitru Erhan
>
> ---------------------------- Message original  
> ----------------------------
> Objet:
> De:       mignotte at iro.umontreal.ca
> Date:     Ven 8 août 2008 17:56
> À:       seminaires at iro.umontreal.ca
> --------------------------------------------------------------------------
>
>
>
> Bonjour.
>
> Vous êtes tous cordialement invités au predoc oral
> de Dumitru Erhan (dont le directeur de these est Yoshua Bengio)
> au DIRO, le jeudi 14 aout a 15:00 en salle 3195
> (Pavillon Aisenstadt).
>
>
> Voici le titre de sa presentation:
>
> "Heuristics for Optimizing Deep Architectures
>
> Deep architectures are viewed by many as an efficient new way of
> tackling difficult Artificial Intelligence problems, such as vision  
> or
> natural language processing. A flurry of models and algorithms to
> efficiently train them have sprung over the last several years. The  
> key
> ingredient seems to be greedy, layer-wise initialization of such
> models. I will review the state-of-the-art and identify some of the
> open issues with deep architectures. I will then present our work that
> tackled some of these issues and propose a series of theoretical
> extensions and experimental work that suggest new directions for
> research on deep architectures --- such as learning multimodal
> representations of visual, textual and musical data as well as
> collective training of networks. I argue that tackling these problem
> will give us new insights into the inner workings of these models and
> could help the optimization process of deep architectures. "
>
> Max Mignotte
>

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