Search Results for author: Amirmojtaba Sabour

Found 4 papers, 0 papers with code

EmerDiff: Emerging Pixel-level Semantic Knowledge in Diffusion Models

no code implementations22 Jan 2024 Koichi Namekata, Amirmojtaba Sabour, Sanja Fidler, Seung Wook Kim

Diffusion models have recently received increasing research attention for their remarkable transfer abilities in semantic segmentation tasks.

Segmentation Semantic Segmentation

CCGG: A Deep Autoregressive Model for Class-Conditional Graph Generation

no code implementations7 Oct 2021 Yassaman Ommi, Matin Yousefabadi, Faezeh Faez, Amirmojtaba Sabour, Mahdieh Soleymani Baghshah, Hamid R. Rabiee

With an increase in the number of applications where data is represented as graphs, the problem of graph generation has recently become a hot topic.

Graph Generation

Asynchronous Decentralized SGD with Quantized and Local Updates

no code implementations NeurIPS 2021 Giorgi Nadiradze, Amirmojtaba Sabour, Peter Davies, Shigang Li, Dan Alistarh

Perhaps surprisingly, we show that a variant of SGD called \emph{SwarmSGD} still converges in this setting, even if \emph{non-blocking communication}, \emph{quantization}, and \emph{local steps} are all applied \emph{in conjunction}, and even if the node data distributions and underlying graph topology are both \emph{heterogenous}.

Blocking Distributed Optimization +2

PopSGD: Decentralized Stochastic Gradient Descent in the Population Model

no code implementations25 Sep 2019 Giorgi Nadiradze, Amirmojtaba Sabour, Aditya Sharma, Ilia Markov, Vitaly Aksenov, Dan Alistarh.

We prove that, under standard assumptions, SGD can converge even in this extremely loose, decentralized setting, for both convex and non-convex objectives.

Distributed Optimization Scheduling

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