collaborators

7 papers

cs.LG2026

MOSAIC: Efficient Mixture-of-Agent Scheduling via Adaptive Aggregation and Inference Concurrency

Saptarshi Mitra, Yifan Zhang, Rachid Karami +5

Mixture-of-Agents (MoA) systems improve reasoning accuracy by routing each query to multiple expert LLMs and aggregating their outputs. Efficiently executing this workload on limit…

cs.CV2025

RedVTP: Training-Free Acceleration of Diffusion Vision-Language Models Inference via Masked Token-Guided Visual Token Pruning

Jingqi Xu, Jingxi Lu, Chenghao Li +3

Vision-Language Models (VLMs) have achieved remarkable progress in multimodal reasoning and generation, yet their high computational demands remain a major challenge. Diffusion Vis…

cs.CV2025

Mitigating Hallucinations in Vision-Language Models through Image-Guided Head Suppression

Sreetama Sarkar, Yue Che, Alex Gavin +2

Despite their remarkable progress in multimodal understanding tasks, large vision language models (LVLMs) often suffer from "hallucinations", generating texts misaligned with the v…

cs.CV2025

HIVTP: A Training-Free Method to Improve VLMs Efficiency via Hierarchical Visual Token Pruning Using Middle-Layer-Based Importance Score

Jingqi Xu, Jingxi Lu, Chenghao Li +2

Vision-Language Models (VLMs) have shown strong capabilities on diverse multimodal tasks. However, the large number of visual tokens output by the vision encoder severely hinders i…

cs.AR2025

Opto-ViT: Architecting a Near-Sensor Region of Interest-Aware Vision Transformer Accelerator with Silicon Photonics

Mehrdad Morsali, Chengwei Zhou, Deniz Najafi +7

Vision Transformers (ViTs) have emerged as a powerful architecture for computer vision tasks due to their ability to model long-range dependencies and global contextual relationshi…

eess.IV2025

OASIS: Optimized Lightweight Autoencoder System for Distributed In-Sensor computing

Chengwei Zhou, Sreetama Sarkar, Yuming Li +2

In-sensor computing, which integrates computation directly within the sensor, has emerged as a promising paradigm for machine vision applications such as AR/VR and smart home syste…