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Keyang Xu

Columbia University

9 papers hereh-index 7417 citations15 works total

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

author position
  • first author3
  • middle author5
  • last author1

Across the 9 of 9 papers where every author was matched, so the position is known.

fields
  • cs.CV4
  • cs.CL2
  • cs.LG2
  • cs.IR1
affiliations
  • Columbia University
Homepage
same name
  • Keyang Xu — 3 papers, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20182024
most citedUnsupervised Pseudo-Labeling for Extractive Summarization on Electronic Health Records

9 citations · 29 across the 9 of their papers we have counts for

collaborators
Showing 2024Show all

3 papers · 1 filter

cs.CV2024

Greedy Growing Enables High-Resolution Pixel-Based Diffusion Models

Cristina N. Vasconcelos, Abdullah Rashwan, Austin Waters +22

We address the long-standing problem of how to learn effective pixel-based image diffusion models at scale, introducing a remarkably simple greedy growing method for stable trainin…

cs.CV2024★ 1 cited

Direct Preference Optimization of Video Large Multimodal Models from Language Model Reward

Ruohong Zhang, Liangke Gui, Zhiqing Sun +8

Preference modeling techniques, such as direct preference optimization (DPO), has shown effective in enhancing the generalization abilities of large language model (LLM). However,…

cs.CV2024★ 1 cited

Inflation with Diffusion: Efficient Temporal Adaptation for Text-to-Video Super-Resolution

Xin Yuan, Jinoo Baek, Keyang Xu +2

We propose an efficient diffusion-based text-to-video super-resolution (SR) tuning approach that leverages the readily learned capacity of pixel level image diffusion model to capt…

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