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2502.05008
A Transformation-based Consistent Estimation Framework: Analysis, Design and Applications
cs.RO
In this paper, we investigate the inconsistency problem arising from observability mismatch that frequently occurs in nonlinear systems such as multi-robot cooperative localization and simultaneous localization and mapping. For a general nonlinear system, we discover and theoretically prove that the unobservable subs...
2502.05011
Learning the Language of NVMe Streams for Ransomware Detection
cs.LG cs.CR
We apply language modeling techniques to detect ransomware activity in NVMe command sequences. We design and train two types of transformer-based models: the Command-Level Transformer (CLT) performs in-context token classification to determine whether individual commands are initiated by ransomware, and the Patch-Lev...
2502.05013
Output-Feedback Full-State Targeting Model Predictive Control for Station-Keeping on Near-Rectilinear Halo Orbits
eess.SY cs.SY math.OC
We develop a model predictive control (MPC) policy for station-keeping (SK) on a Near-Rectilinear Halo Orbit (NRHO). The proposed policy achieves full-state tracking of a reference NRHO via a two-maneuver control horizon placed one revolution apart. Our method abides by the typical mission requirement that at most on...
2502.05014
Seasonal Station-Keeping of Short Duration High Altitude Balloons using Deep Reinforcement Learning
cs.LG cs.RO physics.ao-ph
Station-Keeping short-duration high-altitude balloons (HABs) in a region of interest is a challenging path-planning problem due to partially observable, complex, and dynamic wind flows. Deep reinforcement learning is a popular strategy for solving the station-keeping problem. A custom simulation environment was devel...
2502.05017
Bridging Voting and Deliberation with Algorithms: Field Insights from vTaiwan and Kultur Komitee
cs.HC cs.AI econ.GN q-fin.EC
Democratic processes increasingly aim to integrate large-scale voting with face-to-face deliberation, addressing the challenge of reconciling individual preferences with collective decision-making. This work introduces new methods that use algorithms and computational tools to bridge online voting with face-to-face d...
2502.05019
$O(\sqrt{T})$ Static Regret and Instance Dependent Constraint Violation for Constrained Online Convex Optimization
cs.LG cs.DS
The constrained version of the standard online convex optimization (OCO) framework, called COCO is considered, where on every round, a convex cost function and a convex constraint function are revealed to the learner after it chooses the action for that round. The objective is to simultaneously minimize the static re...
2502.05020
Analog and Multi-modal Manufacturing Datasets Acquired on the Future Factories Platform V2
cs.LG
This paper presents two industry-grade datasets captured during an 8-hour continuous operation of the manufacturing assembly line at the Future Factories Lab, University of South Carolina, on 08/13/2024. The datasets adhere to industry standards, covering communication protocols, actuators, control mechanisms, transd...
2502.05026
The Role of Science in the Climate Change Discussions on Reddit
cs.CY cs.SI
Collective and individual action necessary to address climate change hinges on the public's understanding of the relevant scientific findings. In this study, we examine the use of scientific sources in the course of 14 years of public deliberation around climate change on one of the largest social media platforms, Re...
2502.05027
Trust-Aware Diversion for Data-Effective Distillation
cs.CV
Dataset distillation compresses a large dataset into a small synthetic subset that retains essential information. Existing methods assume that all samples are perfectly labeled, limiting their real-world applications where incorrect labels are ubiquitous. These mislabeled samples introduce untrustworthy information i...
2502.05028
Near-Optimal Online Learning for Multi-Agent Submodular Coordination: Tight Approximation and Communication Efficiency
cs.MA cs.LG math.OC
Coordinating multiple agents to collaboratively maximize submodular functions in unpredictable environments is a critical task with numerous applications in machine learning, robot planning and control. The existing approaches, such as the OSG algorithm, are often hindered by their poor approximation guarantees and t...
2502.05032
News about Global North considered Truthful! The Geo-political Veracity Gradient in Global South News
cs.LG
While there has been much research into developing AI techniques for fake news detection aided by various benchmark datasets, it has often been pointed out that fake news in different geo-political regions traces different contours. In this work we uncover, through analytical arguments and empirical evidence, the exi...
2502.05034
MindAligner: Explicit Brain Functional Alignment for Cross-Subject Visual Decoding from Limited fMRI Data
cs.CV
Brain decoding aims to reconstruct visual perception of human subject from fMRI signals, which is crucial for understanding brain's perception mechanisms. Existing methods are confined to the single-subject paradigm due to substantial brain variability, which leads to weak generalization across individuals and incurs...
2502.05036
nvAgent: Automated Data Visualization from Natural Language via Collaborative Agent Workflow
cs.CL
Natural Language to Visualization (NL2Vis) seeks to convert natural-language descriptions into visual representations of given tables, empowering users to derive insights from large-scale data. Recent advancements in Large Language Models (LLMs) show promise in automating code generation to transform tabular data int...
2502.05037
Leveraging a Simulator for Learning Causal Representations from Post-Treatment Covariates for CATE
cs.LG
Treatment effect estimation involves assessing the impact of different treatments on individual outcomes. Current methods estimate Conditional Average Treatment Effect (CATE) using observational datasets where covariates are collected before treatment assignment and outcomes are observed afterward, under assumptions ...
2502.05038
FlightForge: Advancing UAV Research with Procedural Generation of High-Fidelity Simulation and Integrated Autonomy
cs.RO cs.CV
Robotic simulators play a crucial role in the development and testing of autonomous systems, particularly in the realm of Uncrewed Aerial Vehicles (UAV). However, existing simulators often lack high-level autonomy, hindering their immediate applicability to complex tasks such as autonomous navigation in unknown envir...
2502.05040
GaussRender: Learning 3D Occupancy with Gaussian Rendering
cs.CV
Understanding the 3D geometry and semantics of driving scenes is critical for developing of safe autonomous vehicles. While 3D occupancy models are typically trained using voxel-based supervision with standard losses (e.g., cross-entropy, Lovasz, dice), these approaches treat voxel predictions independently, neglecti...
2502.05041
Federated Learning for Anomaly Detection in Energy Consumption Data: Assessing the Vulnerability to Adversarial Attacks
cs.LG cs.AI cs.DC
Anomaly detection is crucial in the energy sector to identify irregular patterns indicating equipment failures, energy theft, or other issues. Machine learning techniques for anomaly detection have achieved great success, but are typically centralized, involving sharing local data with a central server which raises p...
2502.05044
Hybrid machine learning based scale bridging framework for permeability prediction of fibrous structures
cs.LG
This study introduces a hybrid machine learning-based scale-bridging framework for predicting the permeability of fibrous textile structures. By addressing the computational challenges inherent to multiscale modeling, the proposed approach evaluates the efficiency and accuracy of different scale-bridging methodologie...
2502.05049
On the Inference of Sociodemographics on Reddit
cs.SI cs.CY
Inference of sociodemographic attributes of social media users is an essential step for computational social science (CSS) research to link online and offline behavior. However, there is a lack of a systematic evaluation and clear guidelines for optimal methodologies for this task on Reddit, one of today's largest so...
2502.05053
Gaze-Guided Robotic Vascular Ultrasound Leveraging Human Intention Estimation
cs.RO
Medical ultrasound has been widely used to examine vascular structure in modern clinical practice. However, traditional ultrasound examination often faces challenges related to inter- and intra-operator variation. The robotic ultrasound system (RUSS) appears as a potential solution for such challenges because of its ...
2502.05055
Differentiable Mobile Display Photometric Stereo
cs.CV cs.AI cs.GR cs.LG
Display photometric stereo uses a display as a programmable light source to illuminate a scene with diverse illumination conditions. Recently, differentiable display photometric stereo (DDPS) demonstrated improved normal reconstruction accuracy by using learned display patterns. However, DDPS faced limitations in pra...
2502.05060
Preference-aware compensation policies for crowdsourced on-demand services
cs.LG cs.AI math.OC
Crowdsourced on-demand services offer benefits such as reduced costs, faster service fulfillment times, greater adaptability, and contributions to sustainable urban transportation in on-demand delivery contexts. However, the success of an on-demand platform that utilizes crowdsourcing relies on finding a compensation...
2502.05063
Computing and Learning on Combinatorial Data
cs.AI cs.DM cs.DS
The twenty-first century is a data-driven era where human activities and behavior, physical phenomena, scientific discoveries, technology advancements, and almost everything that happens in the world resulting in massive generation, collection, and utilization of data. Connectivity in data is a crucial property. A ...
2502.05066
Beautiful Images, Toxic Words: Understanding and Addressing Offensive Text in Generated Images
cs.CV
State-of-the-art visual generation models, such as Diffusion Models (DMs) and Vision Auto-Regressive Models (VARs), produce highly realistic images. While prior work has successfully mitigated Not Safe For Work (NSFW) content in the visual domain, we identify a novel threat: the generation of NSFW text embedded withi...
2502.05069
Exploring the Generalizability of Geomagnetic Navigation: A Deep Reinforcement Learning approach with Policy Distillation
cs.RO
The advancement in autonomous vehicles has empowered navigation and exploration in unknown environments. Geomagnetic navigation for autonomous vehicles has drawn increasing attention with its independence from GPS or inertial navigation devices. While geomagnetic navigation approaches have been extensively investigat...
2502.05073
Noise Sensitivity of Hierarchical Functions and Deep Learning Lower Bounds in General Product Measures
math.PR cs.CC cs.LG math.CO
Recent works explore deep learning's success by examining functions or data with hierarchical structure. Complementarily, research on gradient descent performance for deep nets has shown that noise sensitivity of functions under independent and identically distributed (i.i.d.) Bernoulli inputs establishes learning co...
2502.05074
Two-Point Deterministic Equivalence for Stochastic Gradient Dynamics in Linear Models
cond-mat.dis-nn cs.LG stat.ML
We derive a novel deterministic equivalence for the two-point function of a random matrix resolvent. Using this result, we give a unified derivation of the performance of a wide variety of high-dimensional linear models trained with stochastic gradient descent. This includes high-dimensional linear regression, kernel...
2502.05075
Discrepancies are Virtue: Weak-to-Strong Generalization through Lens of Intrinsic Dimension
cs.LG cs.NA math.NA stat.ML
Weak-to-strong (W2S) generalization is a type of finetuning (FT) where a strong (large) student model is trained on pseudo-labels generated by a weak teacher. Surprisingly, W2S FT often outperforms the weak teacher. We seek to understand this phenomenon through the observation that FT often occurs in intrinsically lo...
2502.05076
Paying Attention to Facts: Quantifying the Knowledge Capacity of Attention Layers
cs.LG cs.CL
In this paper, we investigate the ability of single-layer attention-only transformers (i.e. attention layers) to memorize facts contained in databases from a linear-algebraic perspective. We associate with each database a 3-tensor, propose the rank of this tensor as a measure of the size of the database, and provide ...
2502.05078
Adaptive Graph of Thoughts: Test-Time Adaptive Reasoning Unifying Chain, Tree, and Graph Structures
cs.AI cs.CL
Large Language Models (LLMs) have demonstrated impressive reasoning capabilities, yet their performance is highly dependent on the prompting strategy and model scale. While reinforcement learning and fine-tuning have been deployed to boost reasoning, these approaches incur substantial computational and data overhead....
2502.05084
ChallengeMe: An Adversarial Learning-enabled Text Summarization Framework
cs.CL cs.AI
The astonishing performance of large language models (LLMs) and their remarkable achievements in production and daily life have led to their widespread application in collaborative tasks. However, current large models face challenges such as hallucination and lack of specificity in content generation in vertical doma...
2502.05085
Causality can systematically address the monsters under the bench(marks)
cs.LG cs.AI
Effective and reliable evaluation is essential for advancing empirical machine learning. However, the increasing accessibility of generalist models and the progress towards ever more complex, high-level tasks make systematic evaluation more challenging. Benchmarks are plagued by various biases, artifacts, or leakage,...
2502.05086
REASSEMBLE: A Multimodal Dataset for Contact-rich Robotic Assembly and Disassembly
cs.RO
Robotic manipulation remains a core challenge in robotics, particularly for contact-rich tasks such as industrial assembly and disassembly. Existing datasets have significantly advanced learning in manipulation but are primarily focused on simpler tasks like object rearrangement, falling short of capturing the comple...
2502.05087
Mitigating Unintended Memorization with LoRA in Federated Learning for LLMs
cs.LG cs.AI cs.CL
Federated learning (FL) is a popular paradigm for collaborative training which avoids direct data exposure between clients. However, data privacy issues still remain: FL-trained large language models are capable of memorizing and completing phrases and sentences contained in training data when given with their prefix...
2502.05091
DCFormer: Efficient 3D Vision-Language Modeling with Decomposed Convolutions
cs.CV
Vision-language models (VLMs) align visual and textual representations, enabling high-performance zero-shot classification and image-text retrieval in 2D medical imaging. However, extending VLMs to 3D medical imaging remains computationally challenging. Existing 3D VLMs rely on Vision Transformers (ViTs), which are c...
2502.05092
Lost in Time: Clock and Calendar Understanding Challenges in Multimodal LLMs
cs.CV cs.AI cs.CL
Understanding time from visual representations is a fundamental cognitive skill, yet it remains a challenge for multimodal large language models (MLLMs). In this work, we investigate the capabilities of MLLMs in interpreting time and date through analogue clocks and yearly calendars. To facilitate this, we curated a ...
2502.05094
Non-linear Quantum Monte Carlo
quant-ph cs.LG cs.NA math.NA stat.CO stat.ML
The mean of a random variable can be understood as a $\textit{linear}$ functional on the space of probability distributions. Quantum computing is known to provide a quadratic speedup over classical Monte Carlo methods for mean estimation. In this paper, we investigate whether a similar quadratic speedup is achievable...
2502.05098
Learning Temporal Invariance in Android Malware Detectors
cs.CR cs.AI
Learning-based Android malware detectors degrade over time due to natural distribution drift caused by malware variants and new families. This paper systematically investigates the challenges classifiers trained with empirical risk minimization (ERM) face against such distribution shifts and attributes their shortcom...
2502.05104
Leveraging Hypernetworks and Learnable Kernels for Consumer Energy Forecasting Across Diverse Consumer Types
cs.LG cs.AI
Consumer energy forecasting is essential for managing energy consumption and planning, directly influencing operational efficiency, cost reduction, personalized energy management, and sustainability efforts. In recent years, deep learning techniques, especially LSTMs and transformers, have been greatly successful in ...
2502.05107
3DMolFormer: A Dual-channel Framework for Structure-based Drug Discovery
cs.CE cs.LG
Structure-based drug discovery, encompassing the tasks of protein-ligand docking and pocket-aware 3D drug design, represents a core challenge in drug discovery. However, no existing work can deal with both tasks to effectively leverage the duality between them, and current methods for each task are hindered by challe...
2502.05109
Graph Contrastive Learning for Connectome Classification
cs.LG
With recent advancements in non-invasive techniques for measuring brain activity, such as magnetic resonance imaging (MRI), the study of structural and functional brain networks through graph signal processing (GSP) has gained notable prominence. GSP stands as a key tool in unraveling the interplay between the brain'...
2502.05110
ApplE: An Applied Ethics Ontology with Event Context
cs.CY cs.AI
Applied ethics is ubiquitous in most domains, requiring much deliberation due to its philosophical nature. Varying views often lead to conflicting courses of action where ethical dilemmas become challenging to resolve. Although many factors contribute to such a decision, the major driving forces can be discretized an...
2502.05111
Flexible and Efficient Grammar-Constrained Decoding
cs.CL cs.AI
Large Language Models (LLMs) are often asked to generate structured outputs that obey precise syntactic rules, such as code snippets or formatted data. Grammar-constrained decoding (GCD) can guarantee that LLM outputs matches such rules by masking out tokens that will provably lead to outputs that do not belong to a ...
2502.05113
GiesKaNe: Bridging Past and Present in Grammatical Theory and Practical Application
cs.CL
This article explores the requirements for corpus compilation within the GiesKaNe project (University of Giessen and Kassel, Syntactic Basic Structures of New High German). The project is defined by three central characteristics: it is a reference corpus, a historical corpus, and a syntactically deeply annotated tree...
2502.05114
SpecTUS: Spectral Translator for Unknown Structures annotation from EI-MS spectra
cs.LG physics.data-an
Compound identification and structure annotation from mass spectra is a well-established task widely applied in drug detection, criminal forensics, small molecule biomarker discovery and chemical engineering. We propose SpecTUS: Spectral Translator for Unknown Structures, a deep neural model that addresses the task...
2502.05115
"It Felt Like I Was Left in the Dark": Exploring Information Needs and Design Opportunities for Family Caregivers of Older Adult Patients in Critical Care Settings
cs.HC cs.AI
Older adult patients constitute a rapidly growing subgroup of Intensive Care Unit (ICU) patients. In these situations, their family caregivers are expected to represent the unconscious patients to access and interpret patients' medical information. However, caregivers currently have to rely on overloaded clinicians f...
2502.05116
Optimizing Wireless Resource Management and Synchronization in Digital Twin Networks
cs.NI cs.LG cs.SY eess.SY
In this paper, we investigate an accurate synchronization between a physical network and its digital network twin (DNT), which serves as a virtual representation of the physical network. The considered network includes a set of base stations (BSs) that must allocate its limited spectrum resources to serve a set of us...
2502.05118
Use of Winsome Robots for Understanding Human Feedback (UWU)
cs.RO cs.HC
As social robots become more common, many have adopted cute aesthetics aiming to enhance user comfort and acceptance. However, the effect of this aesthetic choice on human feedback in reinforcement learning scenarios remains unclear. Previous research has shown that humans tend to give more positive than negative fee...
2502.05119
Investigating the impact of kernel harmonization and deformable registration on inspiratory and expiratory chest CT images for people with COPD
eess.IV cs.CV
Paired inspiratory-expiratory CT scans enable the quantification of gas trapping due to small airway disease and emphysema by analyzing lung tissue motion in COPD patients. Deformable image registration of these scans assesses regional lung volumetric changes. However, variations in reconstruction kernels between pai...
2502.05121
Refining Integration-by-Parts Reduction of Feynman Integrals with Machine Learning
hep-th cs.LG hep-ph
Integration-by-parts reductions of Feynman integrals pose a frequent bottle-neck in state-of-the-art calculations in theoretical particle and gravitational-wave physics, and rely on heuristic approaches for selecting integration-by-parts identities, whose quality heavily influences the performance. In this paper, we ...
2502.05122
Distinguishing Cause from Effect with Causal Velocity Models
stat.ML cs.LG stat.ME
Bivariate structural causal models (SCM) are often used to infer causal direction by examining their goodness-of-fit under restricted model classes. In this paper, we describe a parametrization of bivariate SCMs in terms of a causal velocity by viewing the cause variable as time in a dynamical system. The velocity im...
2502.05127
Self-supervised Conformal Prediction for Uncertainty Quantification in Imaging Problems
cs.CV stat.ME
Most image restoration problems are ill-conditioned or ill-posed and hence involve significant uncertainty. Quantifying this uncertainty is crucial for reliably interpreting experimental results, particularly when reconstructed images inform critical decisions and science. However, most existing image restoration met...
2502.05129
Counting Fish with Temporal Representations of Sonar Video
cs.CV
Accurate estimates of salmon escapement - the number of fish migrating upstream to spawn - are key data for conservation and fishery management. Existing methods for salmon counting using high-resolution imaging sonar hardware are non-invasive and compatible with computer vision processing. Prior work in this area ha...
2502.05130
Latent Swap Joint Diffusion for Long-Form Audio Generation
cs.SD cs.AI cs.CV cs.MM eess.AS
Previous work on long-form audio generation using global-view diffusion or iterative generation demands significant training or inference costs. While recent advancements in multi-view joint diffusion for panoramic generation provide an efficient option, they struggle with spectrum generation with severe overlap dist...
2502.05133
Data-Parallel Neural Network Training via Nonlinearly Preconditioned Trust-Region Method
cs.LG cs.NA math.NA
Parallel training methods are increasingly relevant in machine learning (ML) due to the continuing growth in model and dataset sizes. We propose a variant of the Additively Preconditioned Trust-Region Strategy (APTS) for training deep neural networks (DNNs). The proposed APTS method utilizes a data-parallel approach ...
2502.05134
Information-Theoretic Guarantees for Recovering Low-Rank Tensors from Symmetric Rank-One Measurements
math.ST cs.IT math.IT math.PR stat.ML stat.TH
In this paper, we investigate the sample complexity of recovering tensors with low symmetric rank from symmetric rank-one measurements. This setting is particularly motivated by the study of higher-order interactions and the analysis of two-layer neural networks with polynomial activations (polynomial networks). Usin...
2502.05139
Meta Audiobox Aesthetics: Unified Automatic Quality Assessment for Speech, Music, and Sound
cs.SD cs.LG eess.AS
The quantification of audio aesthetics remains a complex challenge in audio processing, primarily due to its subjective nature, which is influenced by human perception and cultural context. Traditional methods often depend on human listeners for evaluation, leading to inconsistencies and high resource demands. This p...
2502.05142
Chest X-ray Foundation Model with Global and Local Representations Integration
eess.IV cs.CV
Chest X-ray (CXR) is the most frequently ordered imaging test, supporting diverse clinical tasks from thoracic disease detection to postoperative monitoring. However, task-specific classification models are limited in scope, require costly labeled data, and lack generalizability to out-of-distribution datasets. To ad...
2502.05145
From Restless to Contextual: A Thresholding Bandit Approach to Improve Finite-horizon Performance
cs.LG
Online restless bandits extend classic contextual bandits by incorporating state transitions and budget constraints, representing each agent as a Markov Decision Process (MDP). This framework is crucial for finite-horizon strategic resource allocation, optimizing limited costly interventions for long-term benefits. H...
2502.05147
LP-DETR: Layer-wise Progressive Relations for Object Detection
cs.CV cs.AI
This paper presents LP-DETR (Layer-wise Progressive DETR), a novel approach that enhances DETR-based object detection through multi-scale relation modeling. Our method introduces learnable spatial relationships between object queries through a relation-aware self-attention mechanism, which adaptively learns to balanc...
2502.05148
An Annotated Reading of 'The Singer of Tales' in the LLM Era
cs.CY cs.CL
The Parry-Lord oral-formulaic theory was a breakthrough in understanding how oral narrative poetry is learned, composed, and transmitted by illiterate bards. In this paper, we provide an annotated reading of the mechanism underlying this theory from the lens of large language models (LLMs) and generative artificial i...
2502.05150
CodeSCM: Causal Analysis for Multi-Modal Code Generation
cs.CL
In this paper, we propose CodeSCM, a Structural Causal Model (SCM) for analyzing multi-modal code generation using large language models (LLMs). By applying interventions to CodeSCM, we measure the causal effects of different prompt modalities, such as natural language, code, and input-output examples, on the model. ...
2502.05151
Transforming Science with Large Language Models: A Survey on AI-assisted Scientific Discovery, Experimentation, Content Generation, and Evaluation
cs.CL cs.AI cs.CV cs.LG
With the advent of large multimodal language models, science is now at a threshold of an AI-based technological transformation. Recently, a plethora of new AI models and tools has been proposed, promising to empower researchers and academics worldwide to conduct their research more effectively and efficiently. This i...
2502.05153
Hummingbird: High Fidelity Image Generation via Multimodal Context Alignment
cs.CV
While diffusion models are powerful in generating high-quality, diverse synthetic data for object-centric tasks, existing methods struggle with scene-aware tasks such as Visual Question Answering (VQA) and Human-Object Interaction (HOI) Reasoning, where it is critical to preserve scene attributes in generated images ...
2502.05155
Deep Dynamic Probabilistic Canonical Correlation Analysis
cs.LG stat.ML
This paper presents Deep Dynamic Probabilistic Canonical Correlation Analysis (D2PCCA), a model that integrates deep learning with probabilistic modeling to analyze nonlinear dynamical systems. Building on the probabilistic extensions of Canonical Correlation Analysis (CCA), D2PCCA captures nonlinear latent dynamics ...
2502.05157
Efficient distributional regression trees learning algorithms for calibrated non-parametric probabilistic forecasts
cs.LG cs.DS
The perspective of developing trustworthy AI for critical applications in science and engineering requires machine learning techniques that are capable of estimating their own uncertainty. In the context of regression, instead of estimating a conditional mean, this can be achieved by producing a predictive interval f...
2502.05159
A Lightweight Method to Disrupt Memorized Sequences in LLM
cs.LG cs.CL
Large language models (LLMs) demonstrate impressive capabilities across many tasks yet risk reproducing copyrighted content verbatim, raising legal and ethical concerns. Although methods like differential privacy or neuron editing can reduce memorization, they typically require costly retraining or direct access to m...
2502.05163
DuoGuard: A Two-Player RL-Driven Framework for Multilingual LLM Guardrails
cs.CL cs.LG
The rapid advancement of large language models (LLMs) has increased the need for guardrail models to ensure responsible use, particularly in detecting unsafe and illegal content. While substantial safety data exist in English, multilingual guardrail modeling remains underexplored due to the scarcity of open-source sa...
2502.05164
In-context denoising with one-layer transformers: connections between attention and associative memory retrieval
cs.LG cond-mat.dis-nn
We introduce in-context denoising, a task that refines the connection between attention-based architectures and dense associative memory (DAM) networks, also known as modern Hopfield networks. Using a Bayesian framework, we show theoretically and empirically that certain restricted denoising problems can be solved op...
2502.05165
Multitwine: Multi-Object Compositing with Text and Layout Control
cs.CV
We introduce the first generative model capable of simultaneous multi-object compositing, guided by both text and layout. Our model allows for the addition of multiple objects within a scene, capturing a range of interactions from simple positional relations (e.g., next to, in front of) to complex actions requiring r...
2502.05167
NoLiMa: Long-Context Evaluation Beyond Literal Matching
cs.CL
Recent large language models (LLMs) support long contexts ranging from 128K to 1M tokens. A popular method for evaluating these capabilities is the needle-in-a-haystack (NIAH) test, which involves retrieving a "needle" (relevant information) from a "haystack" (long irrelevant context). Extensions of this approach inc...
2502.05169
Flopping for FLOPs: Leveraging equivariance for computational efficiency
cs.CV cs.LG
Incorporating geometric invariance into neural networks enhances parameter efficiency but typically increases computational costs. This paper introduces new equivariant neural networks that preserve symmetry while maintaining a comparable number of floating-point operations (FLOPs) per parameter to standard non-equiv...
2502.05171
Scaling up Test-Time Compute with Latent Reasoning: A Recurrent Depth Approach
cs.LG cs.CL
We study a novel language model architecture that is capable of scaling test-time computation by implicitly reasoning in latent space. Our model works by iterating a recurrent block, thereby unrolling to arbitrary depth at test-time. This stands in contrast to mainstream reasoning models that scale up compute by prod...
2502.05172
Joint MoE Scaling Laws: Mixture of Experts Can Be Memory Efficient
cs.LG cs.AI cs.CL
Mixture of Experts (MoE) architectures have significantly increased computational efficiency in both research and real-world applications of large-scale machine learning models. However, their scalability and efficiency under memory constraints remain relatively underexplored. In this work, we present joint scaling l...
2502.05173
VideoRoPE: What Makes for Good Video Rotary Position Embedding?
cs.CV
While Rotary Position Embedding (RoPE) and its variants are widely adopted for their long-context capabilities, the extension of the 1D RoPE to video, with its complex spatio-temporal structure, remains an open challenge. This work first introduces a comprehensive analysis that identifies four key characteristics ess...
2502.05174
MELON: Indirect Prompt Injection Defense via Masked Re-execution and Tool Comparison
cs.CR cs.AI
Recent research has explored that LLM agents are vulnerable to indirect prompt injection (IPI) attacks, where malicious tasks embedded in tool-retrieved information can redirect the agent to take unauthorized actions. Existing defenses against IPI have significant limitations: either require essential model training ...
2502.05175
Fillerbuster: Multi-View Scene Completion for Casual Captures
cs.CV cs.GR
We present Fillerbuster, a method that completes unknown regions of a 3D scene by utilizing a novel large-scale multi-view latent diffusion transformer. Casual captures are often sparse and miss surrounding content behind objects or above the scene. Existing methods are not suitable for handling this challenge as the...
2502.05176
AuraFusion360: Augmented Unseen Region Alignment for Reference-based 360{\deg} Unbounded Scene Inpainting
cs.CV
Three-dimensional scene inpainting is crucial for applications from virtual reality to architectural visualization, yet existing methods struggle with view consistency and geometric accuracy in 360{\deg} unbounded scenes. We present AuraFusion360, a novel reference-based method that enables high-quality object remova...
2502.05177
Long-VITA: Scaling Large Multi-modal Models to 1 Million Tokens with Leading Short-Context Accuracy
cs.CV
We introduce Long-VITA, a simple yet effective large multi-modal model for long-context visual-language understanding tasks. It is adept at concurrently processing and analyzing modalities of image, video, and text over 4K frames or 1M tokens while delivering advanced performances on short-context multi-modal tasks. ...
2502.05178
QLIP: Text-Aligned Visual Tokenization Unifies Auto-Regressive Multimodal Understanding and Generation
cs.CV
We introduce Quantized Language-Image Pretraining (QLIP), a visual tokenization method that combines state-of-the-art reconstruction quality with state-of-the-art zero-shot image understanding. QLIP trains a binary-spherical-quantization-based autoencoder with reconstruction and language-image alignment objectives. W...
2502.05179
FlashVideo:Flowing Fidelity to Detail for Efficient High-Resolution Video Generation
cs.CV
DiT diffusion models have achieved great success in text-to-video generation, leveraging their scalability in model capacity and data scale. High content and motion fidelity aligned with text prompts, however, often require large model parameters and a substantial number of function evaluations (NFEs). Realistic and ...
2502.05181
Enhancing Team Diversity with Generative AI: A Novel Project Management Framework
cs.CY cs.AI cs.LG
This research-in-progress paper presents a new project management framework that utilises GenAI technology. The framework is designed to address the common challenge of uniform team compositions in academic and research project teams, particularly in universities and research institutions. It does so by integrating s...
2502.05183
Modelling hydrogen integration in energy system models: Best practices for policy insights
physics.soc-ph cs.CE math.OC
The rapid emergence of hydrogen in long-term energy strategies requires a broad understanding on how hydrogen is currently modelled in national energy system models. This study provides a review on hydrogen representation within selected energy system models that are tailored towards providing policy insights. The pa...
2502.05186
Multimodal Stock Price Prediction
q-fin.ST cs.AI cs.LG
In an era where financial markets are heavily influenced by many static and dynamic factors, it has become increasingly critical to carefully integrate diverse data sources with machine learning for accurate stock price prediction. This paper explores a multimodal machine learning approach for stock price prediction ...
2502.05187
An Adaptable Budget Planner for Enhancing Budget-Constrained Auto-Bidding in Online Advertising
cs.GT cs.LG
In online advertising, advertisers commonly utilize auto-bidding services to bid for impression opportunities. A typical objective of the auto-bidder is to optimize the advertiser's cumulative value of winning impressions within specified budget constraints. However, such a problem is challenging due to the complex b...
2502.05189
Physics-Driven Self-Supervised Deep Learning for Free-Surface Multiple Elimination
physics.geo-ph cs.LG
In recent years, deep learning (DL) has emerged as a promising alternative approach for various seismic processing tasks, including primary estimation (or multiple elimination), a crucial step for accurate subsurface imaging. In geophysics, DL methods are commonly based on supervised learning from large amounts of hi...
2502.05190
Physics-Trained Neural Network as Inverse Problem Solver for Potential Fields: An Example of Downward Continuation between Arbitrary Surfaces
physics.geo-ph cs.LG
Downward continuation is a critical task in potential field processing, including gravity and magnetic fields, which aims to transfer data from one observation surface to another that is closer to the source of the field. Its effectiveness directly impacts the success of detecting and highlighting subsurface anomalou...
2502.05195
Using Large Language Models for Solving Thermodynamic Problems
cs.CE
Large Language Models (LLMs) have made significant progress in reasoning, demonstrating their capability to generate human-like responses. This study analyzes the problem-solving capabilities of LLMs in the domain of thermodynamics. A benchmark of 22 thermodynamic problems to evaluate LLMs is presented that contains ...
2502.05196
LLMs Provide Unstable Answers to Legal Questions
cs.CL cs.CY
An LLM is stable if it reaches the same conclusion when asked the identical question multiple times. We find leading LLMs like gpt-4o, claude-3.5, and gemini-1.5 are unstable when providing answers to hard legal questions, even when made as deterministic as possible by setting temperature to 0. We curate and release ...
2502.05198
A finite element-based machine learning model for hydro-mechanical analysis of swelling behavior in clay-sulfate rocks
physics.geo-ph cs.LG physics.comp-ph
The hydro-mechanical behavior of clay-sulfate rocks, especially their swelling properties, poses significant challenges in geotechnical engineering. This study presents a hybrid constrained machine learning (ML) model developed using the categorical boosting algorithm (CatBoost) tuned with a Bayesian optimization alg...
2502.05202
Accelerating LLM Inference with Lossless Speculative Decoding Algorithms for Heterogeneous Vocabularies
cs.CL cs.AI cs.LG
Accelerating the inference of large language models (LLMs) is a critical challenge in generative AI. Speculative decoding (SD) methods offer substantial efficiency gains by generating multiple tokens using a single target forward pass. However, existing SD approaches require the drafter and target models to share the...
2502.05203
Adversarial Machine Learning: Attacking and Safeguarding Image Datasets
cs.LG cs.CV
This paper examines the vulnerabilities of convolutional neural networks (CNNs) to adversarial attacks and explores a method for their safeguarding. In this study, CNNs were implemented on four of the most common image datasets, namely CIFAR-10, ImageNet, MNIST, and Fashion-MNIST, and achieved high baseline accuracy....
2502.05204
Invariant Measures for Data-Driven Dynamical System Identification: Analysis and Application
math.DS cs.LG nlin.CD physics.data-an
We propose a novel approach for performing dynamical system identification, based upon the comparison of simulated and observed physical invariant measures. While standard methods adopt a Lagrangian perspective by directly treating time-trajectories as inference data, we take on an Eulerian perspective and instead se...
2502.05206
Safety at Scale: A Comprehensive Survey of Large Model Safety
cs.CR cs.AI cs.CL cs.CV
The rapid advancement of large models, driven by their exceptional abilities in learning and generalization through large-scale pre-training, has reshaped the landscape of Artificial Intelligence (AI). These models are now foundational to a wide range of applications, including conversational AI, recommendation syste...
2502.05208
Mitigation of Camouflaged Adversarial Attacks in Autonomous Vehicles--A Case Study Using CARLA Simulator
cs.CR cs.AI cs.LG
Autonomous vehicles (AVs) rely heavily on cameras and artificial intelligence (AI) to make safe and accurate driving decisions. However, since AI is the core enabling technology, this raises serious cyber threats that hinder the large-scale adoption of AVs. Therefore, it becomes crucial to analyze the resilience of A...
2502.05209
Model Tampering Attacks Enable More Rigorous Evaluations of LLM Capabilities
cs.CR cs.AI
Evaluations of large language model (LLM) risks and capabilities are increasingly being incorporated into AI risk management and governance frameworks. Currently, most risk evaluations are conducted by designing inputs that elicit harmful behaviors from the system. However, a fundamental limitation of this approach i...
2502.05210
Regression and Forecasting of U.S. Stock Returns Based on LSTM
q-fin.ST cs.LG
This paper analyses the investment returns of three stock sectors, Manuf, Hitec, and Other, in the U.S. stock market, based on the Fama-French three-factor model, the Carhart four-factor model, and the Fama-French five-factor model, in order to test the validity of the Fama-French three-factor model, the Carhart four...
2502.05211
Decoding FL Defenses: Systemization, Pitfalls, and Remedies
cs.CR cs.AI
While the community has designed various defenses to counter the threat of poisoning attacks in Federated Learning (FL), there are no guidelines for evaluating these defenses. These defenses are prone to subtle pitfalls in their experimental setups that lead to a false sense of security, rendering them unsuitable for...
2502.05213
DERMARK: A Dynamic, Efficient and Robust Multi-bit Watermark for Large Language Models
cs.CR cs.AI
Well-trained large language models (LLMs) present significant risks, including potential malicious use and copyright infringement. Current studies aim to trace the distribution of LLM-generated texts by implicitly embedding watermarks. Among these, the single-bit watermarking method can only determine whether a given...
2502.05214
CoRPA: Adversarial Image Generation for Chest X-rays Using Concept Vector Perturbations and Generative Models
eess.IV cs.AI cs.CV
Deep learning models for medical image classification tasks are becoming widely implemented in AI-assisted diagnostic tools, aiming to enhance diagnostic accuracy, reduce clinician workloads, and improve patient outcomes. However, their vulnerability to adversarial attacks poses significant risks to patient safety. C...