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Lehan He

5 papers hereh-index 442 citations7 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author1

Across the 3 of 5 papers where every author was matched, so the position is known.

fields
  • cs.CL2
  • cs.AI1
  • cs.RO1
  • cs.SE1

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedSystematic Reward Gap Optimization for Mitigating VLM Hallucinations

1 citations · 1 across the 5 of their papers we have counts for

collaborators
Showing 2024 · cs.CLShow all

1 paper · 2 filters

cs.CL2024★ 1 cited

Systematic Reward Gap Optimization for Mitigating VLM Hallucinations

Lehan He, Zeren Chen, Zhelun Shi +3

The success of Direct Preference Optimization (DPO) in mitigating hallucinations in Vision Language Models (VLMs) critically hinges on the true reward gaps within preference pairs.…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.