Dileep George
Dileep George
Research
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Conference paper
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Date
2022
2021
2020
2019
2018
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2009
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2005
2003
Space is a latent sequence: Structured sequence learning as a unified theory of representation in the hippocampus
Fascinating and puzzling phenomena, such as landmark vector cells, splitter cells, and event-specific representations to name a few, …
Rajkumar Vasudeva Raju
,
J. Swaroop Guntupalli
,
Guangyao Zhou
,
Miguel Lazaro-Gredilla
,
Dileep George
arXiv
Clone-structured graph representations enable flexible learning and vicarious evaluation of cognitive maps
Cognitive maps are mental representations of spatial and conceptual relationships in an environment, and are critical for flexible …
Dileep George
,
Rajeev V. Rikye,
,
Nishad Gothoskar,
,
J. Swaroop Guntupalli,
,
Antoine Dedieu,
,
Miguel Lázaro-Gredilla
DOI
Nature Communications (2021)
A detailed mathematical theory of thalamic and cortical microcircuits based on inference in a generative vision model
Understanding the information processing roles of cortical circuits is an outstanding problem in neuroscience and artificial …
Dileep George
,
Miguel Lazaro-Gredilla
,
Wolfgang Lehrach
,
Antoine Dedieu
,
Guangyao Zhou
Biorxiv Preprint (2020)
A Model of Fast Concept Inference with Object-Factorized Cognitive Programs
The ability of humans to quickly identify general concepts from a handful of images has proven difficult to emulate with robots. …
Daniel P. Sawyer
,
Miguel Lázaro-Gredilla
,
Dileep George
Cognitive Science 2020
Learning cognitive maps as structured graphs for vicarious evaluation
Cognitive maps enable us to learn the layout of environments, encode and retrieve episodic memories, and navigate vicariously for …
Rajeev V. Rikye,
,
Nishad Gothoskar,
,
J. Swaroop Guntupalli,
,
Antoine Dedieu,
,
Miguel Lázaro-Gredilla
,
Dileep George
Biorxiv Preprint (2020)
Learning undirected models via query training
Query training is a a technique that lets you train graphical models using ideas from deep learning.
Miguel Lazaro-Gredilla
,
Wolfgang Lehrach
,
Dileep George
2019 Approximate Bayesian Inference Workshop
Memorize-Generalize: An online algorithm for learning higher-order sequential structure with cloned Hidden Markov Models
Sequence learning is a vital cognitive function and has been observed in numerous brain areas. Discovering the algorithms underlying …
Rajeev Rikhye
,
Nishad Gothoskar
,
J. Swaroop Guntupalli
,
Miguel Lazaro-Gredilla
,
Dileep George
2019 Cognitive Computatational Neuroscience
Different clones for different contexts: Hippocampal cognitive maps as higher-order graphs of a cloned HMM
Hippocampus encodes cognitive maps that support episodic memories, navigation, and planning. Under-standing the commonality among those …
Nishad Gothoskar
,
J. Swaroop Guntupalli
,
Rajeev Rikhye
,
Miguel Lazaro-Gredilla
,
Dileep George
2019 Cognitive Computatational Neuroscience
Learning higher-order sequential structure with cloned HMMs
Variable order sequence modeling is an important problem in artificial and natural intelligence. While overcomplete Hidden Markov …
Antoine Dedieu∗†
,
Nishad Gothoskar∗†
,
Scott Swingle
,
Wolfgang Lehrach
,
Miguel Lazaro-Gredilla
,
Dileep George
Arxiv 2019
Beyond Imitation: Zero-shot task transfer on robots by learning concepts as cognitive programs
Concepts are formalized as programs on a special computer architectrue called the Visual Cognitive Computer (VCC). By learning programs …
Miguel Lazaro-Gredilla
,
Dianhuan Lian
,
J. Swaroop Guntupalli
,
Dileep George
Science Robotics. Open Access (2019)
Science Magazine Video
Vicarious Blog: A thought is a program
Code: Learning abstractions
Dataset: Tabletop visual cognitive concepts
Press: Fortune magazine
Press: TechCrunch
Press: ScienceNews
Explaining Visual Cortex Phenomena using Recursive Cortical Network
A hierarchical vision model that emphasizes the role of lateral and feedback connections and treats classification, segmentation …
Dileep George
,
Wolfgang Lehrach
,
Miguel Lazaro-Gredilla
CCN 2018
Cortical micro-circuits from a generative vision model
A hierarchical vision model that emphasizes the role of lateral and feedback connections and treats classification, segmentation …
Dileep George
,
Wolfgang Lehrach
,
Miguel Lazaro-Gredilla
Cognitive Computational Neuroscience 2018
Behavior is Everything: Towards Representing Concepts with Sensorimotor Contingencies
AI has seen remarkable progress in recent years, due to a switch from hand-designed shallow representations, to learned deep …
Nicholas Hay
,
Michael Stark
,
Alexander Schlegel
,
Carter Wendelken
,
Dennis Park
,
Eric Purdy
,
Tom Silver
,
D. Scott Phoenix
,
Dileep George
AAAI 2018
Vicarious Blog. From action to abstraction.
A generative model for vision that trains with high data efficiency and breaks text-based CAPTCHAs
Learning from a few examples and generalizing to markedly different situations are capabilities of human visual intelligence that are …
Dileep George
,
Wolfgang Lehrach
,
Ken Kansky
,
Miguel Lazaro-Gredilla
,
Christopher Laan
,
Bhaskara Marthi
,
Xinghua Lou
,
Zhaoshi Meng
,
Yi Liu
,
Huayan Wang
,
Alex Lavin
,
D. Scott Phoenix
Science: Open access (2017)
Vicarious Blog: Commonsense, Cortex and CAPTCHA
Code/Github
BBC
NPR
Wired
The Independent
Schema Networks: Zero-shot transfer with a generative causal model of intuitive physics
The recent adaptation of deep neural network-based methods to reinforcement learning and planning domains has yielded remarkable …
Ken Kansky
,
Tom Silver
,
David A. Mély
,
Mohamed Eldawy,
,
Miguel Lázaro-Gredilla,
,
Xinghua Lou,
,
Nimrod Dorfman,
,
Szymon Sidor
,
Scott Phoenix
,
Dileep George
ICML 2017
Vicarious Blog
Press: Wired
Teaching compositionality to CNNs
Convolutional neural networks (CNNs) have shown great success in computer vision, approaching human-level performance when trained for …
Austin Stone
,
Huayan Wang
,
Michael Stark
,
Yi Liu
,
D. Scott Phoenix
,
Dileep George
CVPR 2017
Vicarious Blog: Toward Learning a Compositional Visual Representation
Hierarchical Compositional Feature Learning
We introduce the hierarchical compositional network (HCN), a directed generative model able to discover and disentangle, without …
Miguel Lázaro-Gredilla
,
Yi Liu,
,
D. Scott Phoenix,
,
Dileep George
ArXiv 2017
Vicarious Blog
What can the brain teach us about building artificial intelligence?
This paper is an invited commentary on Lake et al's Behavioral and Brain Sciences article titled “Building machines that learn …
Dileep George
Behavioral and Brain Sciences (2017)
Arxiv version (2017)
Generative shape models
Learning from a few examples and generalizing to markedly different situations are capabilities of human visual intelligence that are …
Xinghua Lou
,
Ken Kansky
,
Wolfgang Lehrach
,
CC Laan
,
Bhaskara Marthi
,
D. Scott Phoenix
,
Dileep George
NeurIPS 2016
Towards a Mathematical Theory of Cortical Micro-circuits
The theoretical setting of hierarchical Bayesian inference is gaining acceptance as a framework for understanding cortical computation. …
Dileep George
,
Jeff Hawkins
PLoS Computational Biology (2009)
Sequence memory for prediction, inference and behaviour
In this paper, we propose a mechanism which the neocortex may use to store sequences of patterns. Storing and recalling sequences are …
Jeff Hawkins
,
Dileep George
,
Jamie Niemasik
Phil Trans. Royal Society B (2008)
How the brain might work: A hierarchical model of learning and recognition
Dileep George
Stanford Univeristy PhD Thesis (2008)
A Hierarchical Bayesian Model of Invariant Pattern Recognition in the Visual Cortex
We describe a hierarchical model of invariant visual pattern recognition in the visual cortex. In this model, the knowledge of how …
Dileep George
,
Jeff Hawkins
IJCNN 2005
Robust induction of process models from time-series data
In this paper, we revisit the problem of in- ducing a process modelfrom time-series data. Weillustrate this task with a realistic …
Pat Langley
,
Dileep George
ICML 2003
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