activity
20242026
collaborators

15 papers

cs.CV2026

OmniGen2: Towards Instruction-Aligned Multimodal Generation

Chenyuan Wu, Pengfei Zheng, Ruiran Yan +19

In this work, we introduce OmniGen2, a versatile and open-source generative model designed to provide a unified solution for diverse generation tasks, including text-to-image, imag…

cs.CV2026

EditScore: Unlocking Online RL for Image Editing via High-Fidelity Reward Modeling

Xin Luo, Jiahao Wang, Chenyuan Wu +6

Instruction-guided image editing has achieved remarkable progress, yet current models still face challenges with complex instructions and often require multiple samples to produce…

cs.IR2026

A Multi-Task Embedder For Retrieval Augmented LLMs

Peitian Zhang, Shitao Xiao, Zheng Liu +2

LLMs confront inherent limitations in terms of its knowledge, memory, and action. The retrieval augmentation stands as a vital mechanism to address these limitations, which brings…

cs.CL2025

M3-Embedding: Multi-Linguality, Multi-Functionality, Multi-Granularity Text Embeddings Through Self-Knowledge Distillation

Jianlv Chen, Shitao Xiao, Peitian Zhang +3

In this paper, we introduce a new embedding model called M3-Embedding, which is distinguished for its versatility in \textit{Multi-Linguality}, \textit{Multi-Functionality}, and \t…

cs.CL2025

Llama2Vec: Unsupervised Adaptation of Large Language Models for Dense Retrieval

Zheng Liu, Chaofan Li, Shitao Xiao +2

Dense retrieval calls for discriminative embeddings to represent the semantic relationship between query and document. It may benefit from the using of large language models (LLMs)…

cs.CL2025

MMTEB: Massive Multilingual Text Embedding Benchmark

Kenneth Enevoldsen, Isaac Chung, Imene Kerboua +83

Text embeddings are typically evaluated on a limited set of tasks, which are constrained by language, domain, and task diversity. To address these limitations and provide a more co…