activity
20232026
most citedAutoProSAM: Automated Prompting SAM for 3D Multi-Organ Segmentation

11 citations · 25 across the 12 of their papers we have counts for

collaborators

14 papers

cs.CV2026

Soft Spatial Reasoning

Rafi Ibn Sultan, Md. Sajid Alam Chowdhury, Saleh Zare Zade +4

Large Vision-Language Models (LVLMs) commonly perform spatial reasoning through chain-of-thought (CoT), encoding intermediate reasoning as autoregressive sequences of discrete lang…

cs.CV2026

SpatialCORE: Confidence-Aware Grounded Spatial Reasoning in Large Vision--Language Models

Rafi Ibn Sultan, Xiangyu Zhou, Md. Sajid Alam Chowdhury +4

Large Vision-Language Models (LVLMs) have made remarkable progress across visual perception tasks, yet spatial reasoning remains a persistent weakness, especially for questions tha…

cs.CV2026

Partition-Aware Unlearning for Removing Spurious Correlations in Large Vision-Language Models

Aditi Sarker, Nazreen Shah, Rafi Ibn Sultan +3

Large Vision-Language Models (LVLMs) achieve strong performance across many multimodal tasks; however, they often exploit spurious object-background correlations, resulting in pred…

cs.CV2026

Hallucination Mitigation for Large Vision-Language Models via Implicit Feature Stabilization

Aditi Sarker, Rafi Ibn Sultan, Hui Zhu +2

Large Vision-Language Models (LVLMs) are prone to hallucinations: they fluently describe objects, attributes, and scenes that are not in the image. We connect part of this failure…

cs.CV2026

WalkGPT: Grounded Vision-Language Conversation with Depth-Aware Segmentation for Pedestrian Navigation

Rafi Ibn Sultan, Hui Zhu, Xiangyu Zhou +4

Ensuring accessible pedestrian navigation requires reasoning about both semantic and spatial aspects of complex urban scenes, a challenge that existing Large Vision-Language Models…

cs.LG2025

Not All Tokens Are Meant to Be Forgotten

Xiangyu Zhou, Yao Qiang, Saleh Zare Zade +3

Large Language Models (LLMs), pre-trained on massive text corpora, exhibit remarkable human-level language understanding, reasoning, and decision-making abilities. However, they te…

cs.LG2025

Automatic Calibration for Membership Inference Attack on Large Language Models

Saleh Zare Zade, Yao Qiang, Xiangyu Zhou +4

Membership Inference Attacks (MIAs) have recently been employed to determine whether a specific text was part of the pre-training data of Large Language Models (LLMs). However, exi…

eess.IV2024

MulModSeg: Enhancing Unpaired Multi-Modal Medical Image Segmentation with Modality-Conditioned Text Embedding and Alternating Training

Chengyin Li, Hui Zhu, Rafi Ibn Sultan +5

In the diverse field of medical imaging, automatic segmentation has numerous applications and must handle a wide variety of input domains, such as different types of Computed Tomog…

cs.LG2024★ 3 cited

Learning to Poison Large Language Models for Downstream Manipulation

Xiangyu Zhou, Yao Qiang, Saleh Zare Zade +4

The advent of Large Language Models (LLMs) has marked significant achievements in language processing and reasoning capabilities. Despite their advancements, LLMs face vulnerabilit…

cs.LG2023

FedDRO: Federated Compositional Optimization for Distributionally Robust Learning

Prashant Khanduri, Chengyin Li, Rafi Ibn Sultan +3

Recently, compositional optimization (CO) has gained popularity because of its applications in distributionally robust optimization (DRO) and many other machine learning problems.…

cs.CV2023★ 9 cited

GeoSAM: Fine-tuning SAM with Multi-Modal Prompts for Mobility Infrastructure Segmentation

Rafi Ibn Sultan, Chengyin Li, Hui Zhu +3

In geographical image segmentation, performance is often constrained by the limited availability of training data and a lack of generalizability, particularly for segmenting mobili…

cs.CV2023★ 1 cited

Interpretability-Aware Vision Transformer

Yao Qiang, Chengyin Li, Prashant Khanduri +1

Vision Transformers (ViTs) have become prominent models for solving various vision tasks. However, the interpretability of ViTs has not kept pace with their promising performance.…

cs.CV2023★ 11 cited

AutoProSAM: Automated Prompting SAM for 3D Multi-Organ Segmentation

Chengyin Li, Prashant Khanduri, Yao Qiang +3

Segment Anything Model (SAM) is one of the pioneering prompt-based foundation models for image segmentation and has been rapidly adopted for various medical imaging applications. H…

cs.CV2023★ 1 cited

Fairness-aware Vision Transformer via Debiased Self-Attention

Yao Qiang, Chengyin Li, Prashant Khanduri +1

Vision Transformer (ViT) has recently gained significant attention in solving computer vision (CV) problems due to its capability of extracting informative features and modeling lo…