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Dexin Wang

5 accepted papers

2025

Expand VSR Benchmark for VLLM to Expertize in Spatial Rules

AAAI 2025technical

Distinguishing spatial relations is a basic part of human cognition which requires fine-grained perception on cross-instance. Although benchmarks like MME, MMBench and SEED comprehensively have evaluated various capabilities which already include visual spatial reasoning(VSR). There is still a la…

2024

Multi-Stage Reinforcement Learning for Non-Prehensile Manipulation

RA-L 2024

Manipulating objects without grasping them facilitates complex tasks, known as non-prehensile manipulation. Most previous methods are limited to learning a single skill to manipulate objects with primitive shapes and are unserviceable for flexible object manipulation that requires a combination of m

Cited by 17SourceScholar
2022

Efficient Cluster-Based k-Nearest-Neighbor Machine Translation

ACL 2022long

k-Nearest-Neighbor Machine Translation (kNN-MT) has been recently proposed as a non-parametric solution for domain adaptation in neural machine translation (NMT). It aims to alleviate the performance degradation of advanced MT systems in translating out-of-domain sentences by coordinating with an ad…

2021

Efficient Object-Level Visual Context Modeling for Multimodal Machine Translation: Masking Irrelevant Objects Helps Grounding

AAAI 2021technical

Visual context provides grounding information for multimodal machine translation (MMT). However, previous MMT models and probing studies on visual features suggest that visual information is less explored in MMT as it is often redundant to textual information. In this paper, we propose an Object-lev…