Search Results for author: Arash Nasr-Esfahany

Found 5 papers, 3 papers with code

Counterfactual Identifiability of Bijective Causal Models

1 code implementation4 Feb 2023 Arash Nasr-Esfahany, Mohammad Alizadeh, Devavrat Shah

We study counterfactual identifiability in causal models with bijective generation mechanisms (BGM), a class that generalizes several widely-used causal models in the literature.

counterfactual

Online Reinforcement Learning in Non-Stationary Context-Driven Environments

no code implementations4 Feb 2023 Pouya Hamadanian, Arash Nasr-Esfahany, Malte Schwarzkopf, Siddartha Sen, Mohammad Alizadeh

We present Locally Constrained Policy Optimization (LCPO), an online RL approach that combats CF by anchoring policy outputs on old experiences while optimizing the return on current experiences.

reinforcement-learning Reinforcement Learning (RL)

Counterfactual (Non-)identifiability of Learned Structural Causal Models

no code implementations22 Jan 2023 Arash Nasr-Esfahany, Emre Kiciman

The size of this error can be an essential metric for deciding whether or not DSCMs are a viable approach for counterfactual inference in a specific problem setting.

counterfactual Counterfactual Inference

CausalSim: A Causal Framework for Unbiased Trace-Driven Simulation

1 code implementation5 Jan 2022 Abdullah Alomar, Pouya Hamadanian, Arash Nasr-Esfahany, Anish Agarwal, Mohammad Alizadeh, Devavrat Shah

Key to CausalSim is mapping unbiased trace-driven simulation to a tensor completion problem with extremely sparse observations.

Causal Inference

Real-Time Video Inference on Edge Devices via Adaptive Model Streaming

1 code implementation ICCV 2021 Mehrdad Khani, Pouya Hamadanian, Arash Nasr-Esfahany, Mohammad Alizadeh

Real-time video inference on edge devices like mobile phones and drones is challenging due to the high computation cost of Deep Neural Networks.

Knowledge Distillation Semantic Segmentation +2

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