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Found 41 papers, 17 papers with code
Statistical and Computational Trade-offs in Variational Inference: A Case Study in Inferential Model Selection
From the Bayesian posterior inference perspective, we characterize the error of the variational posterior relative to the exact posterior.
Recommendation Systems with Distribution-Free Reliability Guarantees
Building from a pre-trained ranking model, we show how to return a set of items that is rigorously guaranteed to contain mostly good items.
Breaking Feedback Loops in Recommender Systems with Causal Inference
Our main observation is that a recommender system does not suffer from feedback loops if it reasons about causal quantities, namely the intervention distributions of recommendations on user ratings.
Partial Identification with Noisy Covariates: A Robust Optimization Approach
Directly adjusting for these imperfect measurements of the covariates can lead to biased causal estimates.
Augmenting Neural Networks with Priors on Function Values
The need for function estimation in label-limited settings is common in the natural sciences.
Spatiotemporal Clustering with Neyman-Scott Processes via Connections to Bayesian Nonparametric Mixture Models
This construction is similar to Bayesian nonparametric mixture models like the Dirichlet process mixture model (DPMM) in that the number of latent events (i. e. clusters) is a random variable, but the point process formulation makes the NSP especially well suited to modeling spatiotemporal data.
Posterior Collapse and Latent Variable Non-identifiability
Existing approaches to posterior collapse oftenattribute it to the use of neural networks or optimization issues dueto variational approximation.
A Survey of Visual Transformers
Transformer, an attention-based encoder-decoder model, has already revolutionized the field of natural language processing (NLP).
Identifiable Deep Generative Models via Sparse Decoding
The underlying model is sparse in that each observed feature (i. e. each dimension of the data) depends on a small subset of the latent factors.
All-Around Real Label Supervision: Cyclic Prototype Consistency Learning for Semi-supervised Medical Image Segmentation
Observing this, we ask an unexplored but interesting question: can we exploit the unlabeled data via explicit real label supervision for semi-supervised training?
Brain Tumor Segmentation
Semi-supervised Medical Image Segmentation
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Optimization-based Causal Estimation from Heterogenous Environments
This paper presents a new optimization approach to causal estimation.
Desiderata for Representation Learning: A Causal Perspective
Representation learning constructs low-dimensional representations to summarize essential features of high-dimensional data.
Learning Equilibria in Matching Markets from Bandit Feedback
Large-scale, two-sided matching platforms must find market outcomes that align with user preferences while simultaneously learning these preferences from data.
ACN: Adversarial Co-training Network for Brain Tumor Segmentation with Missing Modalities
Specifically, ACN adopts a novel co-training network, which enables a coupled learning process for both full modality and missing modality to supplement each other's domain and feature representations, and more importantly, to recover the `missing' information of absent modalities.
Trust It or Not: Confidence-Guided Automatic Radiology Report Generation
Experimental results have demonstrated that the proposed method for model uncertainty characterization and estimation can produce more reliable confidence scores for radiology report generation, and the modified loss function, which takes into account the uncertainties, leads to better model performance on two public radiology report datasets.
Noisy Labels are Treasure: Mean-Teacher-Assisted Confident Learning for Hepatic Vessel Segmentation
Manually segmenting the hepatic vessels from Computer Tomography (CT) is far more expertise-demanding and laborious than other structures due to the low-contrast and complex morphology of vessels, resulting in the extreme lack of high-quality labeled data.
Multi-Source Causal Inference Using Control Variates
Across simulations and two case studies with real data, we show that this control variate can significantly reduce the variance of the ATE estimate.
Instrumental Variable Value Iteration for Causal Offline Reinforcement Learning
Instrumental variables (IVs), in the context of RL, are the variables whose influence on the state variables are all mediated through the action.
Semi-supervised Cardiac Image Segmentation via Label Propagation and Style Transfer
Accurate segmentation of cardiac structures can assist doctors to diagnose diseases, and to improve treatment planning, which is highly demanded in the clinical practice.
Modality-Pairing Learning for Brain Tumor Segmentation
In this work, we propose a novel end-to-end Modality-Pairing learning method for brain tumor segmentation.
Double-Uncertainty Weighted Method for Semi-supervised Learning
We train the teacher model using Bayesian deep learning to obtain double-uncertainty, i. e. segmentation uncertainty and feature uncertainty.
Point process models for sequence detection in high-dimensional neural spike trains
Sparse sequences of neural spikes are posited to underlie aspects of working memory, motor production, and learning.
Does Non-COVID19 Lung Lesion Help? Investigating Transferability in COVID-19 CT Image Segmentation
Coronavirus disease 2019 (COVID-19) is a highly contagious virus spreading all around the world.
Towards Data-Efficient Learning: A Benchmark for COVID-19 CT Lung and Infection Segmentation
Purpose: Accurate segmentation of lung and infection in COVID-19 CT scans plays an important role in the quantitative management of patients.
Towards Clarifying the Theory of the Deconfounder
Wang and Blei (2019) studies multiple causal inference and proposes the deconfounder algorithm.
How Distance Transform Maps Boost Segmentation CNNs: An Empirical Study
The \emph{second contribution} is that we systematically evaluated five benchmark methods on two representative public datasets.
The state of the art in kidney and kidney tumor segmentation in contrast-enhanced CT imaging: Results of the KiTS19 Challenge
The 2019 Kidney and Kidney Tumor Segmentation challenge (KiTS19) was a competition held in conjunction with the 2019 International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI) which sought to address these issues and stimulate progress on this automatic segmentation problem.
The Blessings of Multiple Causes: A Reply to Ogburn et al. (2019)
Ogburn et al. (2019, arXiv:1910. 05438) discuss "The Blessings of Multiple Causes" (Wang and Blei, 2018, arXiv:1805. 06826).
Cascaded Volumetric Convolutional Network for Kidney Tumor Segmentation from CT volumes
Automated segmentation of kidney and tumor from 3D CT scans is necessary for the diagnosis, monitoring, and treatment planning of the disease.
Multiple Causes: A Causal Graphical View
Our results expand the theory in Wang & Blei (2018), justify the deconfounder for causal graphs, and extend the settings where it can be used.
Variational Bayes under Model Misspecification
As a consequence of these results, we find that the model misspecification error dominates the variational approximation error in VB posterior predictive distributions.
Equal Opportunity and Affirmative Action via Counterfactual Predictions
Machine learning (ML) can automate decision-making by learning to predict decisions from historical data.
The Medical Deconfounder: Assessing Treatment Effects with Electronic Health Records
To adjust for unobserved confounders, we develop the medical deconfounder, a machine learning algorithm that unbiasedly estimates treatment effects from EHRs.
Using Embeddings to Correct for Unobserved Confounding in Networks
We validate the method with experiments on a semi-synthetic social network dataset.
The Deconfounded Recommender: A Causal Inference Approach to Recommendation
To this end, we develop a causal approach to recommendation, one where watching a movie is a "treatment" and a user's rating is an "outcome."
Black Box FDR
BB-FDR learns a series of black box predictive models to boost power and control the false discovery rate (FDR) at two stages of study analysis.
The Blessings of Multiple Causes
Causal inference from observational data often assumes "ignorability," that all confounders are observed.
Evaluating Bayesian Models with Posterior Dispersion Indices
We propose to evaluate a model through posterior dispersion.
Frequentist Consistency of Variational Bayes
The theorem leverages the theoretical characterizations of frequentist variational approximations to understand asymptotic properties of VB.
Minimal Dispersion Approximately Balancing Weights: Asymptotic Properties and Practical Considerations
The key observation is the connection between approximate covariate balance and shrinkage estimation of the propensity score.
Methodology Statistics Theory Applications Statistics Theory
Robust Probabilistic Modeling with Bayesian Data Reweighting
We propose a way to systematically detect and mitigate mismatch of a large class of probabilistic models.
