MMbeddings: Parameter-Efficient, Low-Overfitting Probabilistic Embeddings Inspired by Nonlinear Mixed Models

arXiv — cs.LGTuesday, November 4, 2025 at 5:00:00 AM
MMbeddings is a newly proposed probabilistic embedding technique that integrates classical statistical methods with contemporary deep learning frameworks. Specifically, it conceptualizes embeddings as latent random effects within a variational autoencoder, drawing inspiration from nonlinear mixed models. This methodological innovation leads to a significant reduction in the number of parameters required, enhancing parameter efficiency. Additionally, MMbeddings demonstrates a lower tendency to overfit compared to traditional embedding approaches, addressing a common challenge in model generalization. These advantages position MMbeddings as a promising advancement in embedding techniques within machine learning. The approach's foundation in well-established statistical concepts combined with modern variational inference underscores its potential for robust and efficient representation learning.
— via World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
R\'enyi Differential Privacy for Heavy-Tailed SDEs via Fractional Poincar\'e Inequalities
NeutralArtificial Intelligence
The article discusses the challenges of characterizing differential privacy (DP) in learning algorithms, particularly in the context of stochastic gradient descent (SGD) with heavy-tailed noise. Recent advancements have provided DP guarantees for heavy-tailed SGD without gradient clipping, but these results are limited by parameter dependence and do not extend to R'enyi differential privacy (RDP). The authors propose new methods to address these limitations.
Neural Networks Learn Generic Multi-Index Models Near Information-Theoretic Limit
PositiveArtificial Intelligence
The article discusses the ability of neural networks to learn high-dimensional features efficiently, specifically through the gradient descent learning of a Gaussian Multi-index model. It demonstrates that a standard two-layer neural network can achieve optimal test error rates with a sample complexity that aligns with the information-theoretic limit, thus proving the effectiveness of this approach in representation learning.
MicroEvoEval: A Systematic Evaluation Framework for Image-Based Microstructure Evolution Prediction
PositiveArtificial Intelligence
MicroEvoEval is introduced as a systematic evaluation framework aimed at predicting image-based microstructure evolution. This framework addresses critical gaps in the current methodologies, particularly the lack of standardized benchmarks for deep learning models in microstructure simulation. The study evaluates 14 different models across four MicroEvo tasks, focusing on both numerical accuracy and physical fidelity, thereby enhancing the reliability of microstructure predictions in materials design.
Meta-SimGNN: Adaptive and Robust WiFi Localization Across Dynamic Configurations and Diverse Scenarios
PositiveArtificial Intelligence
Meta-SimGNN is a novel WiFi localization system that combines graph neural networks with meta-learning to enhance localization generalization and robustness. It addresses the limitations of existing deep learning-based localization methods, which primarily focus on environmental variations while neglecting the impact of device configuration changes. By introducing a fine-grained channel state information (CSI) graph construction scheme, Meta-SimGNN adapts to variations in the number of access points (APs) and improves usability in diverse scenarios.
A Disentangled Low-Rank RNN Framework for Uncovering Neural Connectivity and Dynamics
PositiveArtificial Intelligence
The study presents a novel framework called the Disentangled Recurrent Neural Network (DisRNN), which enhances low-rank recurrent neural networks (lrRNNs) by introducing group-wise independence among latent dynamics. This approach allows for flexible entanglement within groups, facilitating the separate evolution of latent dynamics while maintaining complexity for computation. The reformulation under a variational autoencoder framework incorporates a partial correlation penalty to promote disentanglement, with experiments conducted on synthetic, monkey M1, and mouse data demonstrating its effe…
Algebraformer: A Neural Approach to Linear Systems
PositiveArtificial Intelligence
The recent development of Algebraformer, a Transformer-based architecture, aims to address the challenges of solving ill-conditioned linear systems. Traditional numerical methods often require extensive parameter tuning and domain expertise to ensure accuracy. Algebraformer proposes an end-to-end learned model that efficiently represents matrix and vector inputs, achieving scalable inference with a memory complexity of O(n^2). This innovation could significantly enhance the reliability and stability of solutions in various application-driven linear problems.
A Generative Data Framework with Authentic Supervision for Underwater Image Restoration and Enhancement
PositiveArtificial Intelligence
Underwater image restoration and enhancement are essential for correcting color distortion and restoring details in images, which are crucial for various underwater visual tasks. Current deep learning methods face challenges due to the lack of high-quality paired datasets, as pristine reference labels are hard to obtain in underwater environments. This paper proposes a novel approach that utilizes in-air natural images as reference targets, translating them into underwater-degraded versions to create synthetic datasets that provide authentic supervision for model training.
CCSD: Cross-Modal Compositional Self-Distillation for Robust Brain Tumor Segmentation with Missing Modalities
PositiveArtificial Intelligence
The Cross-Modal Compositional Self-Distillation (CCSD) framework has been proposed to enhance brain tumor segmentation from multi-modal MRI scans. This method addresses the challenge of missing modalities in clinical settings, which can hinder the performance of deep learning models. By utilizing a shared-specific encoder-decoder architecture and two self-distillation strategies, CCSD aims to improve the robustness and accuracy of segmentation, ultimately aiding in clinical diagnosis and treatment planning.