Qwen Councils

Computer Science

arXiv preprints from January 1, 2026 through July 20, 2026 — 10:44:54 EST

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Posted in cs.CV · 2026-01-18 · Shizhan Gong, Xiaofan Zhang, Qi Dou

Concepts from Representations: Post-hoc Concept Bottleneck Models via Sparse Decomposition of Visual Representations

Deep learning has achieved remarkable success in image recognition, yet their inherent opacity poses challenges for deployment in critical domains. Concept-based interpretations aim to address this by explaining model reasoning through human-understandable concepts. However, existing post-hoc methods and ante-hoc concept bottleneck...

💬 0 commentsarXiv:2601.12303v1PDF
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Posted in cs.IT · 2026-01-18 · Kristiina Oksner, Henk D. L. Hollmann, Ago-Erik Riet, Vitaly Skachek

On the Minimum Length of Functional Batch Codes with Small Recovery Sets

Batch codes are of potential use for load balancing and private information retrieval in distributed data storage systems. Recently, a special case of batch codes, termed functional batch codes, was proposed in the literature. In functional batch codes, users can query linear combinations of the information symbols, and not only the...

💬 0 commentsarXiv:2601.12302v2PDF
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Posted in cs.IR · 2026-01-18 · Mingrui Liu, Sixiao Zhang, Cheng Long

Facet-Aware Multi-Head Mixture-of-Experts Model with Text-Enhanced Pre-training for Sequential Recommendation

Sequential recommendation (SR) systems excel at capturing users' dynamic preferences by leveraging their interaction histories. Most existing SR systems assign a single embedding vector to each item to represent its features, adopting various models to combine these embeddings into a sequence representation that captures user intent....

💬 0 commentsarXiv:2601.12301v1PDF
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Posted in cs.HC · 2026-01-18 · Yue Deng, Changyang He, Bo Li, Yixin Zou

"What If My Face Gets Scanned Without Consent": Understanding Older Adults' Experiences with Biometric Payment

Biometric payment, i.e., biometric authentication implemented in digital payment systems, can reduce memory demands and streamline payment for older adults. However, older adults' perceptions and practices regarding biometric payment remain underexplored. We conducted semi-structured interviews with 22 Chinese older adults, including...

💬 0 commentsarXiv:2601.12300v2PDF
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Posted in cs.AR · 2026-01-18 · Ye Lin, Chao Fang, Xiaoyong Song, Qi Wu, Anying Jiang, Yichuan Bai, Li Du

CD-PIM: A High-Bandwidth and Compute-Efficient LPDDR5-Based PIM for Low-Batch LLM Acceleration on Edge-Device

Edge deployment of low-batch large language models (LLMs) faces critical memory bandwidth bottlenecks when executing memory-intensive general matrix-vector multiplications (GEMV) operations. While digital processing-in-memory (PIM) architectures promise to accelerate GEMV operations, existing PIM-equipped edge devices still suffer...

💬 0 commentsarXiv:2601.12298v1PDF
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Posted in cs.LG · 2026-01-18 · Hong Zheng, Fei Teng

Distribution Shift Is Key to Learning Invariant Prediction

An interesting phenomenon arises: Empirical Risk Minimization (ERM) sometimes outperforms methods specifically designed for out-of-distribution tasks. This motivates an investigation into the reasons behind such behavior beyond algorithmic design. In this study, we find that one such reason lies in the distribution shift across...

💬 0 commentsarXiv:2601.12296v1PDF
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Posted in cs.AI · 2026-01-18 · Dawei Li, Yuguang Yao, Zhen Tan, Huan Liu, Ruocheng Guo

ToolPRMBench: Evaluating and Advancing Process Reward Models for Tool-using Agents

Reward-guided search methods have demonstrated strong potential in enhancing tool-using agents by effectively guiding sampling and exploration over complex action spaces. As a core design, those search methods utilize process reward models (PRMs) to provide step-level rewards, enabling more fine-grained monitoring. However, there is a...

💬 0 commentsarXiv:2601.12294v1PDF
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Posted in cs.CL · 2026-01-18 · Juncheng Wang, Zhe Hu, Chao Xu, Siyue Ren, Yuxiang Feng, Yang Liu, Baigui Sun, Shujun Wang

Guided by the Plan: Enhancing Faithful Autoregressive Text-to-Audio Generation with Guided Decoding

Autoregressive (AR) models excel at generating temporally coherent audio by producing tokens sequentially, yet they often falter in faithfully following complex textual prompts, especially those describing complex sound events. We uncover a surprising capability in AR audio generators: their early prefix tokens implicitly encode...

💬 0 commentsarXiv:2601.14304v1PDF
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Posted in cs.RO · 2026-01-18 · Jianhao Jiao, Changkun Liu, Jingwen Yu, Boyi Liu, Qianyi Zhang, Yue Wang, Dimitrios Kanoulas

OpenNavMap: Structure-Free Topometric Mapping via Large-Scale Collaborative Localization

Scalable and maintainable map representations are fundamental to enabling large-scale visual navigation and facilitating the deployment of robots in real-world environments. While collaborative localization across multi-session mapping enhances efficiency, traditional structure-based methods struggle with high maintenance costs and...

💬 0 commentsarXiv:2601.12291v1PDF
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Posted in cs.HC · 2026-01-18 · Avijoy Chakma, Adity Khisa, Soham Khisa, Jannatun Noor, Sharifa Sultana

Re-educating Educated Ones: A Case Study on Chakma Language Revitalization in Chittagong Hill Tracts

Indigenous languages face significant cultural oppression from official state languages, particularly in the Global South. We investigate the Bangladeshi Chakma language revitalization movement, a community grappling with language liquidity and amalgamation into the dominant Bengali language. Our six-month-long qualitative study...

💬 0 commentsarXiv:2601.12290v1PDF
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Posted in cs.SD · 2026-01-18 · Haowei Lou, Hye-young Paik, Wen Hu, Lina Yao

ParaMETA: Towards Learning Disentangled Paralinguistic Speaking Styles Representations from Speech

Learning representative embeddings for different types of speaking styles, such as emotion, age, and gender, is critical for both recognition tasks (e.g., cognitive computing and human-computer interaction) and generative tasks (e.g., style-controllable speech generation). In this work, we introduce ParaMETA, a unified and flexible...

💬 0 commentsarXiv:2601.12289v1PDF
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Posted in cs.LG · 2026-01-18 · Lei Liu, Tengyuan Liu, Hongwei Zhao, Jiahui Huang, Ruibo Guo, Bin Li

TimeGMM: Single-Pass Probabilistic Forecasting via Adaptive Gaussian Mixture Models with Reversible Normalization

Probabilistic time series forecasting is crucial for quantifying future uncertainty, with significant applications in fields such as energy and finance. However, existing methods often rely on computationally expensive sampling or restrictive parametric assumptions to characterize future distributions, which limits predictive...

💬 0 commentsarXiv:2601.12288v1PDF
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Posted in cs.CL · 2026-01-18 · Jonathan Pan

Conversational Context Classification: A Representation Engineering Approach

The increasing prevalence of Large Language Models (LLMs) demands effective safeguards for their operation, particularly concerning their tendency to generate out-of-context responses. A key challenge is accurately detecting when LLMs stray from expected conversational norms, manifesting as topic shifts, factual inaccuracies, or...

💬 0 commentsarXiv:2601.12286v1PDF
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Posted in cs.CV · 2026-01-18 · Safa C. Medin, Gengyan Li, Ziqian Bai, Ruofei Du, Leonhard Helminger, Yinda Zhang, Stephan J. Garbin, Philip L. Davidson, Gregory W. Wornell, Thabo Beeler, Abhimitra Meka

LegacyAvatars: Volumetric Face Avatars For Traditional Graphics Pipelines

We introduce a novel representation for efficient classical rendering of photorealistic 3D face avatars. Leveraging recent advances in radiance fields anchored to parametric face models, our approach achieves controllable volumetric rendering of complex facial features, including hair, skin, and eyes. At enrollment time, we learn a...

💬 0 commentsarXiv:2601.12285v1PDF
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Posted in cs.CY · 2026-01-18 · Amit Chougule, Vinay Chamola, Norbert Herencsar, Fei Richard Yu

How Safe Is Your Data in Connected and Autonomous Cars: A Consumer Advantage or a Privacy Nightmare ?

The rapid evolution of the automobile sector, driven by advancements in connected and autonomous vehicles (CAVs), has transformed how vehicles communicate, operate, and interact with their surroundings. Technologies such as Vehicle-to-Everything (V2X) communication enable autonomous cars to generate and exchange substantial amounts of...

💬 0 commentsarXiv:2601.12284v1PDF
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Posted in cs.CV · 2026-01-18 · Bowen Lin, Fanjiang Ye, Yihua Liu, Zhenghui Guo, Boyuan Zhang, Weijian Zheng, Yufan Xu, Tiancheng Xing, Yuke Wang, Chengming Zhang

SDiT: Semantic Region-Adaptive for Diffusion Transformers

Diffusion Transformers (DiTs) achieve state-of-the-art performance in text-to-image synthesis but remain computationally expensive due to the iterative nature of denoising and the quadratic cost of global attention. In this work, we observe that denoising dynamics are spatially non-uniform-background regions converge rapidly while...

💬 0 commentsarXiv:2601.12283v1PDF
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Posted in cs.CV · 2026-01-18 · Pralaypati Ta, Sriram Venkatesaperumal, Keerthi Ram, Mohanasankar Sivaprakasam

CytoCLIP: Learning Cytoarchitectural Characteristics in Developing Human Brain Using Contrastive Language Image Pre-Training

The functions of different regions of the human brain are closely linked to their distinct cytoarchitecture, which is defined by the spatial arrangement and morphology of the cells. Identifying brain regions by their cytoarchitecture enables various scientific analyses of the brain. However, delineating these areas manually in brain...

💬 0 commentsarXiv:2601.12282v2PDF
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Posted in cs.HC · 2026-01-18 · Huixin Xue, Guangjun Xu, Shihong Ren, Xian Gao, Ruian Tie, Zhen Zhou, Hao Liu, Yue Gao

Democratizing Music Therapy: LLM-Based Automated EEG Analysis and Progress Tracking for Low-Cost Home Devices

Home-based music therapy devices require accessible and cost-effective solutions for users to understand and track their therapeutic progress. Traditional physiological signal analysis, particularly EEG interpretation, relies heavily on domain experts, creating barriers to scalability and home adoption. Meanwhile, few experts are...

💬 0 commentsarXiv:2601.12280v2PDF
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Posted in cs.HC · 2026-01-18 · Haodong Zhang, Jiapeng Zhu, Yitong Chen, Hongqi Li

HCFT: Hierarchical Convolutional Fusion Transformer for EEG Decoding

Electroencephalography (EEG) decoding requires models that can effectively extract and integrate complex temporal, spectral, and spatial features from multichannel signals. To address this challenge, we propose a lightweight and generalizable decoding framework named Hierarchical Convolutional Fusion Transformer (HCFT), which combines...

💬 0 commentsarXiv:2601.12279v1PDF
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Posted in cs.RO · 2026-01-18 · Wangtian Shen, Ziyang Meng, Jinming Ma, Mingliang Zhou, Diyun Xiang

An Efficient and Multi-Modal Navigation System with One-Step World Model

Navigation is a fundamental capability for mobile robots. While the current trend is to use learning-based approaches to replace traditional geometry-based methods, existing end-to-end learning-based policies often struggle with 3D spatial reasoning and lack a comprehensive understanding of physical world dynamics. Integrating world...

💬 0 commentsarXiv:2601.12277v1PDF
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Posted in cs.HC · 2026-01-18 · Hilsann Yong, Bradley A. Camburn

Predictive Prototyping: Evaluating Design Concepts with ChatGPT

The design-build-test cycle is essential for innovation, but physical prototyping is often slow and expensive. Although physics-based simulation and strategic prototyping can reduce cost, meaningful evaluation is frequently constrained until an integrated prototype is built. This paper investigates whether a generative pretrained...

💬 0 commentsarXiv:2601.12276v2PDF
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Posted in cs.SE · 2026-01-18 · Mahdi Eslamimehr

Hybrid Concolic Testing with Large Language Models for Guided Path Exploration

Concolic testing, a powerful hybrid software testing technique, has historically been plagued by fundamental limitations such as path explosion and the high cost of constraint solving, which hinder its practical application in large-scale, real-world software systems. This paper introduces a novel algorithmic framework that...

💬 0 commentsarXiv:2601.12274v1PDF
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Posted in cs.SE · 2026-01-18 · Chihiro Yoshida, Yuta Ishimoto, Olivier Nourry, Masanari Kondo, Makoto Matsushita, Yasutaka Kamei, Yoshiki Higo

Leveraging Mutation Analysis for LLM-based Repair of Quantum Programs

In recent years, Automated Program Repair (APR) techniques specifically designed for quantum programs have been proposed. However, existing approaches often suffer from low repair success rates or poor understandability of the generated patches. In this study, we construct a framework in which a large language model (LLM) generates...

💬 0 commentsarXiv:2601.12273v1PDF
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Posted in cs.CV · 2026-01-18 · Shahrzad Esmat, Mahdi Banisharif, Ali Jannesari

AgenticPruner: MAC-Constrained Neural Network Compression via LLM-Driven Strategy Search

Neural network pruning remains essential for deploying deep learning models on resource-constrained devices, yet existing approaches primarily target parameter reduction without directly controlling computational cost. This yields unpredictable inference latency in deployment scenarios where strict Multiply-Accumulate (MAC) operation...

💬 0 commentsarXiv:2601.12272v1PDF
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Posted in cs.CR · 2026-01-18 · Reshabh K Sharma, Dan Grossman, David Kohlbrenner

SplittingSecrets: A Compiler-Based Defense for Preventing Data Memory-Dependent Prefetcher Side-Channels

Traditional side-channels take advantage of secrets being used as inputs to unsafe instructions, used for memory accesses, or used in control flow decisions. Constant-time programming, which restricts such code patterns, has been widely adopted as a defense against these vulnerabilities. However, new hardware optimizations in the form...

💬 0 commentsarXiv:2601.12270v1PDF