collaborators

25 papers

cs.LG2026

GlucoPRISM: Protocol-Supervised Pretraining for Cross-Cohort Glucose Transfer

Adinath Madhavrao Dukre, Abdullah Mohammad, Yifan Lu +3

Continuous glucose monitoring (CGM) foundation models encode each day as one vector that mixes who the person is, what happened that day and how the sensor measured it, so measurem…

cs.LG2026

What Makes Recurrence Effective in Looped Language Models?

Xinlin Zhuang, Siyuan Wang, Imran Razzak +1

Looped language models (LoopLMs) increase computational depth through parameter sharing, offering a path to scale inference computation without adding parameters. However, it remai…

cs.AI2026

DoAtlas-2: A Foundation for Self-Evolving Causal Biomedical Discovery

Yulong Li, Rong Xia, Yuxuan Zhang +12

We introduce DoAtlas-2, a foundation for self-evolving causal biomedical discovery that organizes knowledge around causal mechanisms and advances through external evidence from hum…

cs.AI2026

MedRoundsQA: A Persona and Difficulty Aware Evaluation for Multi-Turn Medical Consultations

Youssef Mohamed, Ahmed Heakl, Qinrong Cui +13

Medical benchmarks are dominated by single-turn, multiple-choice clinical cases that poorly reflect real consultations. Practically, clinicians elicit evidence interactively and pa…

cs.CV2026

Grounding Isn't Knowing: Do VLMs Need Object Localization for Spatial Reasoning?

Xiwei Liu, Yulong Li, Xinlin Zhuang +5

Vision-language models (VLMs) can answer spatial questions, yet the mechanisms connecting object grounding to spatial reasoning remain poorly understood. It is underexplored whethe…

cs.LG2026

AsyTO: Asymmetric Temporal Operator for Parameter-Efficient Multivariate Time Series Forecasting

Xiachong Lin, Du Yin, Hao Xue +5

Multivariate time-series forecasting faces a structural dilemma: sharing one temporal predictor across variables is parameter-efficient but forces heterogeneous variables through a…

cs.CV2026

On the Robustness of Temporal Vision-Language Models for Surgical Endoscopy Videos

Darakshan Rashid, Raza Imam, Ufaq Khan +9

Temporal vision-language models (TVLMs) offer a reusable, prompt-based interface for surgical video understanding, yet, their robustness under clinically realistic acquisition arti…

cs.CL2026

Evaluating LLM Personalization via Semantic Constraint Verification

Xuran Li, Guanqin Zhang, Imran Razzak +4

Current evaluation paradigms for Large Language Model (LLM) personalization rely heavily on brittle surface-matching metrics or computationally expensive LLM-as-a-judge protocols,…

cs.IR2026

Knowledge Graph Enhanced Memory-Augmented Retrieval for Long Context Modeling

Ghadir Alselwi, Basem Suleiman, Hao Xue +4

Long-context language modeling requires not only extending context windows but maintaining coherent understanding of entity states and relationships across thousands of tokens -- a…

cs.CL2026

DocAtlas: Multilingual Document Understanding Across 80+ Languages

Ahmed Heakl, Youssef Mohamed, Abdullah Sohail +6

Multilingual document understanding remains limited for low-resource languages due to scarce training data and model-based annotation pipelines that perpetuate existing biases. We…

cs.LG2026

AMO: Operator-level Adaptive Muon Orthogonalization

Xinlin Zhuang, Panyi Ouyang, Yichen Li +7

Muon has recently emerged as a competitive alternative to AdamW for large-scale pre-training, with orthogonalization via Newton-Schulz (NS) iteration as its core operation. Standar…

cs.CV2026

TriALS: Triphasic-Aided Liver Lesion Segmentation Benchmark in Non-Contrast CT

Marawan Elbatel, Mohamed Ghonim, Jiaji Mao +62

Automated segmentation of liver lesions on non-contrast computed tomography (NCCT) is clinically important but fundamentally challenging, particularly in low-resource settings acro…

cs.AI2026

MAGE: Multi-Agent Self-Evolution with Co-Evolutionary Knowledge Graphs

Ruiyi Yang, Zechen Li, Hao Xue +2

Self-evolving language-model agents must decide what to learn next and how to preserve what they have learned across iterations. Existing systems typically carry this cross-iterati…

cs.CV2026

See Fair, Speak Truth: Equitable Attention Improves Grounding and Reduces Hallucination in Vision-Language Alignment

Mohammad Anas Azeez, Ankan Deria, Zohaib Hasan Siddiqui +5

Multimodal large language models (MLLMs) frequently hallucinate objects that are absent from the visual input, often because attention during decoding is disproportionately drawn t…

cs.CV2026

CoME-VL: Scaling Complementary Multi-Encoder Vision-Language Learning

Ankan Deria, Komal Kumar, Xilin He +4

Recent vision-language models (VLMs) typically rely on a single vision encoder trained with contrastive image-text objectives, such as CLIP-style pretraining. While contrastive enc…

cs.CL2026

SAGE: Sustainable Agent-Guided Expert-tuning for Culturally Attuned Translation in Low-Resource Southeast Asia

Zhixiang Lu, Chong Zhang, Yulong Li +5

The vision of an inclusive World Wide Web is impeded by a severe linguistic divide, particularly for communities in low-resource regions of Southeast Asia. While large language mod…

cs.CV2026

MedMO: Grounding and Understanding Multimodal Large Language Model for Medical Images

Ankan Deria, Komal Kumar, Adinath Madhavrao Dukre +3

Multimodal large language models have advanced rapidly, but their adoption in medicine is constrained by limited domain coverage, imperfect modality alignment, and insufficient gro…

cs.LG2026

DeLo: Dual Decomposed Low-Rank Experts Collaboration for Continual Missing Modality Learning

Xiwei Liu, Yulong Li, Feilong Tang +1

Adapting Large Multimodal Models (LMMs) to real-world scenarios poses the dual challenges of learning from sequential data streams while handling frequent modality incompleteness,…

cs.CV2026

ClinCoT: Clinical-Aware Visual Chain-of-Thought for Medical Vision Language Models

Xiwei Liu, Yulong Li, Xinlin Zhuang +5

Medical Vision-Language Models have shown promising potential in clinical decision support, yet they remain prone to factual hallucinations due to insufficient grounding in localiz…

cs.CV2026

CMSA-Net: Causal Multi-scale Aggregation with Adaptive Multi-source Reference for Video Polyp Segmentation

Tong Wang, Yaolei Qi, Siwen Wang +3

Video polyp segmentation (VPS) is an important task in computer-aided colonoscopy, as it helps doctors accurately locate and track polyps during examinations. However, VPS remains…

cs.IR2026

Mitigating Preference Leakage via Strict Estimator Separation for Normative Generative Ranking

Dalia Nahhas, Xiaohao Cai, Imran Razzak +1

In Generative Information Retrieval (GenIR), the bottleneck has shifted from generation to the selection of candidates, particularly for normative criteria such as cultural relevan…

cs.AI2026

DoAtlas-1: A Causal Compilation Paradigm for Clinical AI

Yulong Li, Jianxu Chen, Xiwei Liu +9

Medical foundation models generate narrative explanations but cannot quantify intervention effects, detect evidence conflicts, or validate literature claims, limiting clinical audi…

cs.CV2026

LATA: Laplacian-Assisted Transductive Adaptation for Conformal Uncertainty in Medical VLMs

Behzad Bozorgtabar, Dwarikanath Mahapatra, Sudipta Roy +3

Medical vision-language models (VLMs) are strong zero-shot recognizers for medical imaging, but their reliability under domain shift hinges on calibrated uncertainty with guarantee…

cs.LG2026

Attention-Driven Framework for Non-Rigid Medical Image Registration

Muhammad Zafar Iqbal, Ghazanfar Farooq Siddiqui, Anwar Ul Haq +1

Deformable medical image registration is a fundamental task in medical image analysis with applications in disease diagnosis, treatment planning, and image-guided interventions. De…