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Qingpei Guo

21 accepted papers

2026

CoPE: Continual Probe-guided Expansion for Large Vision-Language Models

ICML 2026poster

Mixture of Experts architectures have recently advanced the scalability and adaptability of Large Language Models for continual multimodal learning. However, extending these models to accommodate sequential tasks remains challenging. As new tasks arrive, naive model expansion leads to rapid paramete…

Cited by 0SourceScholar
2026

EvoMoE: Expert Evolution in Mixture of Experts for Multimodal Large Language Models

AAAI 2026technical

Recent advancements have shown that the Mixture of Experts (MoE) approach significantly enhances the capacity of large language models (LLMs) and improves performance on downstream tasks. Building on these promising results, multi-modal large language models (MLLMs) have increasingly adopted MoE tec

Cited by 0SourcePDFScholar
2026

SCAN: Self-Calibrated AutoregressioN for High-Quality Visual Generation

AAAI 2026technical

Human artists can continuously refine their coarse sketches during artistic creation. This is quite different from existing autoregressive generation, where a token is determined once sampled. Aiming to flexibly refine the generated contents, this paper presents a Self-Calibrated AutoregressioN (SCA

Cited by 0SourcePDFScholar
2026

VaccineRAG: Boosting Multimodal Large Language Models’ Immunity to Harmful RAG Samples

AAAI 2026technical

Retrieval Augmented Generation enhances the response accuracy of Large Language Models (LLMs) by integrating retrieval and generation modules with external knowledge, demonstrating particular strength in real-time queries and Visual Question Answering tasks. However, the effectiveness of RAG is fre

Cited by 0SourcePDFScholar
2025

Attributive Reasoning for Hallucination Diagnosis of Large Language Models

AAAI 2025technical

In recent years, large language models (LLMs) have demonstrated outstanding capabilities in various tasks. However, LLMs also have various drawbacks, especially hallucination. Hallucination refers to the generation of content that does not align with the user input, contradicts previously generated…

2025

DynFocus: Dynamic Cooperative Network Empowers LLMs with Video Understanding

CVPR 2025poster

The challenge in LLM-based video understanding lies in preserving visual and semantic information in long videos while maintaining a memory-affordable token count. However, redundancy and correspondence in videos have hindered the performance potential of existing methods. Through statistical learni…

Cited by 2SourcePDFScholar
2025

Engage for All: Making Ordinary Image Descriptions Appealing Again!

ICCV 2025poster

In recent years, multi-modal large language models (MLLMs) have been successfully adopted to generate humorous and engaging descriptions for internet memes. While, it is challenging for the same approaches to apply to ordinary images which lack of inherent funny or exaggerated contents. Thus, crafti…

2025

SegAgent: Exploring Pixel Understanding Capabilities in MLLMs by Imitating Human Annotator Trajectories

CVPR 2025poster

While MLLMs have demonstrated adequate image understanding capabilities, they still struggle with pixel-level comprehension, limiting their practical applications. Current evaluation tasks like VQA and visual grounding remain too coarse to assess fine-grained pixel comprehension accurately. Though s…

2025

Social Debiasing for Fair Multi-modal LLMs

ICCV 2025poster

Multi-modal Large Language Models (MLLMs) have dramatically advanced the research field and delivered powerful vision-language understanding capabilities. However, these models often inherit deep-rooted social biases from their training data, leading to uncomfortable responses with respect to attrib…

Cited by 0SourcePDFScholar
2025

Unified Video Generation via Next-Set Prediction in Continuous Domain

ICCV 2025poster

Existing video generation strategies can be categorized into two categories, i.e., the diffusion and autoregressive (AR) methods. While AR methods achieves high efficiency by predicting the next token based on known visual cues, they generally fall short of diffusion models in terms of video quality…

Cited by 0SourcePDFScholar
2025

VQAGuider: Guiding Multimodal Large Language Models to Answer Complex Video Questions

ACL 2025long

Complex video question-answering (VQA) requires in-depth understanding of video contents including object and action recognition as well as video classification and summarization, which exhibits great potential in emerging applications in education and entertainment, etc. Multimodal large language m…

2024

EVE: Efficient Zero-Shot Text-Based Video Editing With Depth Map Guidance and Temporal Consistency Constraints

IJCAI 2024poster

Motivated by the superior performance of image diffusion models, more and more researchers strive to extend these models to the text-based video editing task. Nevertheless, current video editing tasks mainly suffer from the dilemma between the high fine-tuning cost and the limited generation capacit…

2024

HOTVCOM: Generating Buzzworthy Comments for Videos

ACL 2024findings

In the era of social media video platforms, popular “hot-comments” play a crucial role in attracting user impressions of short-form videos, making them vital for marketing and branding purpose. However, existing research predominantly focuses on generating descriptive comments or “danmaku” in Englis…

2024

LoTLIP: Improving Language-Image Pre-training for Long Text Understanding

NeurIPS 2024poster

In this work, we empirically confirm that the key reason causing such an issue is that the training images are usually paired with short captions, leaving certain tokens easily overshadowed by salient tokens. Towards this problem, our initial attempt is to relabel the data with long captions, howeve…

2024

Pink: Unveiling the Power of Referential Comprehension for Multi-modal LLMs

CVPR 2024poster

Multi-modal Large Language Models (MLLMs) have shown remarkable capabilities in various multi-modal tasks. Nevertheless their performance in fine-grained image understanding tasks is still limited. To address this issue this paper proposes a new framework to enhance the fine-grained image understand…

2024

Referencing Where to Focus: Improving Visual Grounding with Referential Query

NeurIPS 2024poster

Visual Grounding aims to localize the referring object in an image given a natural language expression. Recent advancements in DETR-based visual grounding methods have attracted considerable attention, as they directly predict the coordinates of the target object without relying on additional effort…

Cited by 1SourcePDFScholar
2024

SyCoCa: Symmetrizing Contrastive Captioners with Attentive Masking for Multimodal Alignment

ICML 2024poster

Multimodal alignment between language and vision is the fundamental topic in current vision-language model research. Contrastive Captioners (CoCa), as a representative method, integrates Contrastive Language-Image Pretraining (CLIP) and Image Caption (IC) into a unified framework, resulting in impre…

Cited by 4SourcePDFScholar
2023

Boundary-Aware Backward-Compatible Representation via Adversarial Learning in Image Retrieval

CVPR 2023poster

Image retrieval plays an important role in the Internet world. Usually, the core parts of mainstream visual retrieval systems include an online service of the embedding model and a large-scale vector database. For traditional model upgrades, the old model will not be replaced by the new one until th…

2023

CNVid-3.5M: Build, Filter, and Pre-Train the Large-Scale Public Chinese Video-Text Dataset

CVPR 2023poster

Owing to well-designed large-scale video-text datasets, recent years have witnessed tremendous progress in video-text pre-training. However, existing large-scale video-text datasets are mostly English-only. Though there are certain methods studying the Chinese video-text pre-training, they pre-train…

2022

Switch-BERT: Learning to Model Multimodal Interactions by Switching Attention and Input

ECCV 2022poster

"The ability to model intra-modal and inter-modal interactions is fundamental in multimodal machine learning. The current state-of-the-art models usually adopt deep learning models with fixed structures. They can achieve exceptional performances on specific tasks, but face a particularly challenging…

2021

LPSNet: A Lightweight Solution for Fast Panoptic Segmentation

CVPR 2021poster

Panoptic segmentation is a challenging task aiming to simultaneously segment objects (things) at instance level and background contents (stuff) at semantic level. Existing methods mostly utilize two-stage detection network to attain instance segmentation results, and fully convolutional network to p…

Cited by 45PDFScholar