collaborators

9 papers

eess.SP2026

FRESHLATENT: Channel-Aware Latent Adaptation for Resource-Constrained Embodied VLM Perception

Rajat Bhattacharjya, Minwoo Kim, Arnab Sarkar +5

Mission-critical UAVs increasingly rely on split vision-language model (VLM) perception under tight onboard-resource and wireless-communication constraints. However, corruption of…

cs.DC2026

FloodReasonBench: Benchmarking VLM Reasoning Segmentation for Embodied Flood Response at the Edge

Rajat Bhattacharjya, Yoomee Jung, Minwoo Kim +4

Reasoning segmentation enables vision-language models (VLMs) to translate mission-relevant language requests into pixel-level visual grounding, offering a natural perception interf…

cs.RO2026

MemoGuard: An Adaptive Runtime for Guarding Against Memory Traps in Communication-Limited Robot Navigation

Rajat Bhattacharjya, Hyeonjong Ju, Sing-Yao Wu +2

Communication-limited robots in mission-critical scenarios such as disaster inspection and search-and-rescue must make reliable onboard decisions without access to remote operators…

eess.SY2026

Orion: Enabling Self-adaptive Memory Management for On-device Online Continual Learning

Zexin Li, Nikil Dutt, Cong Liu

Online continual learning (OCL) enables real-time adaptation to new data, making it crucial for dynamic robotic applications. However, its practical deployment is hindered by memor…

cs.CV2026

GeoReFormer: Geometry-Aware Refinement for Lane Segment Detection and Topology Reasoning

Danny Abraham, Nikhil Kamalkumar Advani, Arun Das +1

Accurate 3D lane segment detection and topology reasoning are critical for structured online map construction in autonomous driving. Recent transformer-based approaches formulate t…

cs.AR2025

T-SAR: A Full-Stack Co-design for CPU-Only Ternary LLM Inference via In-Place SIMD ALU Reorganization

Hyunwoo Oh, KyungIn Nam, Rajat Bhattacharjya +7

Recent advances in LLMs have outpaced the computational and memory capacities of edge platforms that primarily employ CPUs, thereby challenging efficient and scalable deployment. W…

cs.DC2025

AVERY: Intent-Driven Adaptive VLM Split Computing via Embodied Self-Awareness for Efficient Disaster Response Systems

Rajat Bhattacharjya, Sing-Yao Wu, Hyunwoo Oh +5

Unmanned Aerial Vehicles (UAVs) in disaster response require complex, queryable intelligence that onboard CNNs cannot provide. While Vision-Language Models (VLMs) offer this semant…

eess.SP2025

HYPERDOA: Robust and Efficient DoA Estimation using Hyperdimensional Computing

Rajat Bhattacharjya, Woohyeok Park, Arnab Sarkar +3

Direction of Arrival (DoA) estimation techniques face a critical trade-off, as classical methods often lack accuracy in challenging, low signal-to-noise ratio (SNR) conditions, whi…

eess.SY2025

ACCESS-AV: Adaptive Communication-Computation Codesign for Sustainable Autonomous Vehicle Localization in Smart Factories

Rajat Bhattacharjya, Arnab Sarkar, Ish Kool +2

Autonomous Delivery Vehicles (ADVs) are increasingly used for transporting goods in 5G network-enabled smart factories, with the compute-intensive localization module presenting a…