← Search

Kehan Chen

8 accepted papers

2026

Semantic Audio-Visual Navigation in Continuous Environments

CVPR 2026

Audio-visual navigation enables embodied agents to navigate toward sound-emitting targets by leveraging both auditory and visual cues. However, most existing approaches rely on precomputed room impulse responses (RIRs) for binaural audio rendering, restricting agents to discrete grid positions and l

Cited by 0SourcecodeScholar
2025

ChatMap: Mining Human Thought Processes for Customer Service Chatbots via Multi-Agent Collaboration

ACL 2025finding

Leveraging Large Language Models (LLMs) to build domain-specific conversational agents, especially for e-commerce customer service chatbots, is a growing focus. While existing methods enhance dialogue performance by extracting core patterns from dialogue data and integrating them into models, two ke…

Cited by 0SourcePDFScholar
2025

EC-Flow: Enabling Versatile Robotic Manipulation from Action-Unlabeled Videos via Embodiment-Centric Flow

ICCV 2025poster

Current language-guided robotic manipulation systems often require low-level action-labeled datasets for imitation learning. While object-centric flow prediction methods mitigate this issue, they remain limited to scenarios involving rigid objects with clear displacement and minimal occlusion. In th…

2025

Learning Fine-Grained Alignment for Aerial Vision-Dialog Navigation

AAAI 2025technical

Aerial Vision-Dialog Navigation (AVDN) is a new task that requires drones to navigate to a target location based on human-robot dialog history. This paper focuses on the critical fine-grained cross-modal alignment problem in AVDN, requiring the drone to align language entities with visual landmarks…

2025

Meta-Reflection: A Feedback-Free Reflection Learning Framework

ACL 2025long

Despite the remarkable capabilities of large language models (LLMs) in natural language understanding and reasoning, they often display undesirable behaviors, such as generating hallucinations and unfaithful reasoning. A prevalent strategy to mitigate these issues is the use of reflection, which ref…

2024

Everyday Object Meets Vision-and-Language Navigation Agent via Backdoor

NeurIPS 2024poster

Vision-and-Language Navigation (VLN) requires an agent to dynamically explore environments following natural language. The VLN agent, closely integrated into daily lives, poses a substantial threat to the security of privacy and property upon the occurrence of malicious behavior. However, this serio…

Cited by 0SourcePDFScholar
2023

Code-Aware Cross-Program Transfer Hyperparameter Optimization

AAAI 2023technical

Hyperparameter tuning is an essential task in automatic machine learning and big data management. To accelerate tuning, many recent studies focus on augmenting BO, the primary hyperparameter tuning strategy, by transferring information from other tuning tasks. However, existing studies ignore progr…

2023

Maskdul: Data Uncertainty Learning in Masked Face Recognition

ICASSP 2023accepted

Since mask occlusion causes plentiful loss of facial feature, Masked Face Recognition (MFR) is a challenging image processing task, and the recognition results are susceptible to noise. However, existing MFR methods are mostly deterministic point embedding models, which are limited in representing n…

Cited by 0SourceScholar