Search Results for author: Joshua C. Peterson

Found 19 papers, 2 papers with code

Improving machine classification using human uncertainty measurements

no code implementations ICLR 2019 Ruairidh M. Battleday, Joshua C. Peterson, Thomas L. Griffiths

As deep CNN classifier performance using ground-truth labels has begun to asymptote at near-perfect levels, a key aim for the field is to extend training paradigms to capture further useful structure in natural image data and improve model robustness and generalization.

Classification Data Augmentation +1

The Universal Law of Generalization Holds for Naturalistic Stimuli

no code implementations14 Jun 2023 Raja Marjieh, Nori Jacoby, Joshua C. Peterson, Thomas L. Griffiths

Shepard's universal law of generalization is a remarkable hypothesis about how intelligent organisms should perceive similarity.

End-to-end Deep Prototype and Exemplar Models for Predicting Human Behavior

no code implementations17 Jul 2020 Pulkit Singh, Joshua C. Peterson, Ruairidh M. Battleday, Thomas L. Griffiths

The stimulus representations employed in such models are either hand-designed by the experimenter, inferred circuitously from human judgments, or borrowed from pretrained deep neural networks that are themselves competing models of category learning.

Scaling up Psychology via Scientific Regret Minimization: A Case Study in Moral Decisions

no code implementations16 Oct 2019 Mayank Agrawal, Joshua C. Peterson, Thomas L. Griffiths

In this paper, we offer a way to enable researchers to systematically build models and identify novel phenomena in large datasets.

Decision Making valid

Human uncertainty makes classification more robust

no code implementations ICCV 2019 Joshua C. Peterson, Ruairidh M. Battleday, Thomas L. Griffiths, Olga Russakovsky

We then show that, while contemporary classifiers fail to exhibit human-like uncertainty on their own, explicit training on our dataset closes this gap, supports improved generalization to increasingly out-of-training-distribution test datasets, and confers robustness to adversarial attacks.

Classification General Classification

Cognitive Model Priors for Predicting Human Decisions

no code implementations22 May 2019 David D. Bourgin, Joshua C. Peterson, Daniel Reichman, Thomas L. Griffiths, Stuart J. Russell

To solve this problem, what is needed are machine learning models with appropriate inductive biases for capturing human behavior, and larger datasets.

Benchmarking BIG-bench Machine Learning +2

Capturing human categorization of natural images at scale by combining deep networks and cognitive models

no code implementations26 Apr 2019 Ruairidh M. Battleday, Joshua C. Peterson, Thomas L. Griffiths

Human categorization is one of the most important and successful targets of cognitive modeling in psychology, yet decades of development and assessment of competing models have been contingent on small sets of simple, artificial experimental stimuli.

Predicting human decisions with behavioral theories and machine learning

no code implementations15 Apr 2019 Ori Plonsky, Reut Apel, Eyal Ert, Moshe Tennenholtz, David Bourgin, Joshua C. Peterson, Daniel Reichman, Thomas L. Griffiths, Stuart J. Russell, Evan C. Carter, James F. Cavanagh, Ido Erev

Here, we introduce BEAST Gradient Boosting (BEAST-GB), a novel hybrid model that synergizes behavioral theories, specifically the model BEAST, with machine learning techniques.

BIG-bench Machine Learning Decision Making +2

Using Machine Learning to Guide Cognitive Modeling: A Case Study in Moral Reasoning

no code implementations18 Feb 2019 Mayank Agrawal, Joshua C. Peterson, Thomas L. Griffiths

Large-scale behavioral datasets enable researchers to use complex machine learning algorithms to better predict human behavior, yet this increased predictive power does not always lead to a better understanding of the behavior in question.

BIG-bench Machine Learning Decision Making

Learning Hierarchical Visual Representations in Deep Neural Networks Using Hierarchical Linguistic Labels

no code implementations19 May 2018 Joshua C. Peterson, Paul Soulos, Aida Nematzadeh, Thomas L. Griffiths

Modern convolutional neural networks (CNNs) are able to achieve human-level object classification accuracy on specific tasks, and currently outperform competing models in explaining complex human visual representations.

Capturing human category representations by sampling in deep feature spaces

no code implementations19 May 2018 Joshua C. Peterson, Jordan W. Suchow, Krisha Aghi, Alexander Y. Ku, Thomas L. Griffiths

Here, we introduce a method to estimate the structure of human categories that combines ideas from cognitive science and machine learning, blending human-based algorithms with state-of-the-art deep image generators.

Learning a face space for experiments on human identity

no code implementations19 May 2018 Jordan W. Suchow, Joshua C. Peterson, Thomas L. Griffiths

Generative models of human identity and appearance have broad applicability to behavioral science and technology, but the exquisite sensitivity of human face perception means that their utility hinges on the alignment of the model's representation to human psychological representations and the photorealism of the generated images.

Modeling Human Categorization of Natural Images Using Deep Feature Representations

no code implementations13 Nov 2017 Ruairidh M. Battleday, Joshua C. Peterson, Thomas L. Griffiths

Over the last few decades, psychologists have developed sophisticated formal models of human categorization using simple artificial stimuli.

Evaluating (and improving) the correspondence between deep neural networks and human representations

1 code implementation8 Jun 2017 Joshua C. Peterson, Joshua T. Abbott, Thomas L. Griffiths

These networks learn representations of real-world stimuli that can potentially be leveraged to capture psychological representations.

Evaluating vector-space models of analogy

no code implementations12 May 2017 Dawn Chen, Joshua C. Peterson, Thomas L. Griffiths

Vector-space representations provide geometric tools for reasoning about the similarity of a set of objects and their relationships.

Word Embeddings

Evidence for the size principle in semantic and perceptual domains

no code implementations9 May 2017 Joshua C. Peterson, Thomas L. Griffiths

Shepard's Universal Law of Generalization offered a compelling case for the first physics-like law in cognitive science that should hold for all intelligent agents in the universe.

Modelling Student Behavior using Granular Large Scale Action Data from a MOOC

no code implementations16 Aug 2016 Steven Tang, Joshua C. Peterson, Zachary A. Pardos

This research lays the ground work for recommendation in a MOOC and other digital learning environments where high volumes of sequential data exist.

Language Modelling Sentence +1

Adapting Deep Network Features to Capture Psychological Representations

5 code implementations6 Aug 2016 Joshua C. Peterson, Joshua T. Abbott, Thomas L. Griffiths

To remedy this, we develop a method for adapting deep features to align with human similarity judgments, resulting in image representations that can potentially be used to extend the scope of psychological experiments.

Object Recognition Scene Understanding +1

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