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  • AGIQA-3K: An Open Database for AI-Generated Image Quality Assessment

    Chunyi Li, Zicheng Zhang, Haoning Wu, Wei Sun, Xiongkuo Min, Xiaohong Liu, Guangtao Zhai, Weisi Lin

    IEEE Transactions on Circuits and Systems for Video Technology · 2023

    This work extensively considers various popular AGI models, generated AGI through different prompts and model parameters, and collected subjective scores at the perceptual quality and text-to-image alignment, thus building the most comprehensive AGI subjective quality database AGIQA-3K so far.

    263
  • Q-Instruct: Improving Low-Level Visual Abilities for Multi-Modality Foundation Models

    Haoning Wu, Zicheng Zhang, Erli Zhang, Chaofeng Chen, Liang Liao, Annan Wang, Kaixin Xu, Chunyi Li, +6 more

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    The first dataset consisting of human natural language feedback on low-level vision, and a GPT-participated transformation to convert these feedbacks into a rich set of 200K instruction-response pairs, termed Q-Instruct are collected.

    218
  • GMS-3DQA: Projection-Based Grid Mini-patch Sampling for 3D Model Quality Assessment

    Zicheng Zhang, Wei Sun, Haoning Wu, Yingjie Zhou, Chunyi Li, Zijian Chen, Xiongkuo Min, Guangtao Zhai, +1 more

    ACM Transactions on Multimedia Computing Communications and Applications · 2024

    The experimental results show that the proposed GMS-3DQA outperforms existing state-of-the-art NR-3DQA methods on the point cloud quality assessment databases for both accuracy and efficiency.

    78
  • AIGIQA-20K: A Large Database for AI-Generated Image Quality Assessment

    Chunyi Li, Tengchuan Kou, Yixuan Gao, Yuqin Cao, Wei Sun, Zicheng Zhang, Yingjie Zhou, Zhichao Zhang, +5 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2024

    The largest fine-grained AIGI subjective quality database to date with 20,000 AIGIs and 420,000 subjective ratings, known as AIGIQA-20K is released and it is anticipated that this large-scale quality database will inspire robust quality indicators for AIGIs and propel the evolution of AIGC for vision.

    65
  • Subjective-Aligned Dataset and Metric for Text-to-Video Quality Assessment

    Tengchuan Kou, Xiaohong Liu, Zicheng Zhang, Chunyi Li, Haoning Wu, Xiongkuo Min, Guangtao Zhai, Ning Liu

    ACM International Conference on Multimedia (ACM MM) · 2024

    This work proposes a novel transformer-based model for subjective-aligned Text-to-Video Quality Assessment (T2VQA), which extracts features from text-video alignment and video fidelity perspectives, then it leverages the ability of a large language model to give the prediction score.

    60
  • Large multimodal models evaluation: a survey

    Zicheng Zhang, Junying Wang, Farong Wen, Yijin Guo, Xiangyu Zhao, Xinyu Fang, Shengyuan Ding, Ziheng Jia, +22 more

    Science China Information Sciences · 2025

    By unifying general-specialized understanding and modality-specific generation evaluations, this survey clarifies the current landscape and provides guidance for future research in the LMM evaluation field.

    57
  • Learning Hazing to Dehazing: Towards Realistic Haze Generation for Real-World Image Dehazing

    Ruiyi Wang, Yushuo Zheng, Zicheng Zhang, Chunyi Li, Shuaicheng Liu, Guangtao Zhai, Xiaohong Liu

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    A novel hazing-dehazing pipeline consisting of a Realistic Hazy Image Generation framework (HazeGen) and a Diffusion-based Dehazing framework (DiffDehaze), which harnesses robust generative diffusion priors of real-world hazy images embedded in a pre-trained text-to-image diffusion model.

    56
  • Quality Assessment in the Era of Large Models: A Survey

    Zicheng Zhang, Yingjie Zhou, Chunyi Li, Baixuan Zhao, Xiaohong Liu, Guangtao Zhai

    ACM Transactions on Multimedia Computing Communications and Applications · 2025

    A comprehensive review of the development of quality assessment in the era of large models focusing on two key aspects: the assessment of large models and the role of large models in assessment tasks.

    55
  • LMM-PCQA: Assisting Point Cloud Quality Assessment with LMM

    Zicheng Zhang, Haoning Wu, Yingjie Zhou, Chunyi Li, Wei Sun, Chaofeng Chen, Xiongkuo Min, Xiaohong Liu, +2 more

    ACM International Conference on Multimedia (ACM MM) · 2024

    This study investigates the feasibility of imparting PCQA knowledge to LMMs through text supervision, and transforms quality labels into textual descriptions during the fine-tuning phase, enabling LMMs to derive quality rating logits from 2D projections of point clouds.

    55
  • Advancing Zero-Shot Digital Human Quality Assessment Through Text-Prompted Evaluation

    Zicheng Zhang, Wei Sun, Yingjie Zhou, Haoning Wu, Chunyi Li, Xiongkuo Min, Xiaohong Liu, Guangtao Zhai, +1 more

    IEEE Transactions on Image Processing · 2025

    A zero-shot DHQA approach that focuses on no-reference scenarios to ensure generalization capabilities while mitigating database bias is proposed and the Digital Human Quality Index (DHQI) is introduced, which demonstrates significant improvements in zero-shot performance.

    50
  • Quality-of-Experience Evaluation for Digital Twins in 6G Network Environments

    Zicheng Zhang, Yingjie Zhou, Long Teng, Wei Sun, Chunyi Li, Xiongkuo Min, Xiao-Ping Steven Zhang, Guangtao Zhai

    IEEE Transactions on Broadcasting · 2024

    50
  • MISC: Ultra-Low Bitrate Image Semantic Compression Driven by Large Multimodal Model

    Chunyi Li, Guo Sheng Lu, Donghui Feng, Haoning Wu, Zicheng Zhang, Xiaohong Liu, Guangtao Zhai, Weisi Lin, +1 more

    IEEE Transactions on Image Processing · 2024

    Experimental results show that the proposed MISC is suitable for compressing both traditional Natural Sense Images (NSIs) and emerging AI-Generated Images (AIGIs) content and can achieve optimal consistency and perception results while saving 50% bitrate.

    47
  • Q-Eval-100K: Evaluating Visual Quality and Alignment Level for Text-to-Vision Content

    Zicheng Zhang, Tengchuan Kou, Shushi Wang, Chunyi Li, Wei Sun, Wei Wang, Xiaoyu Li, Zongyu Wang, +4 more

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    Experimental results indicate that the proposed Q-Eval-Score achieves superior performance on both visual quality and alignment, with strong generalization capabilities across other benchmarks, highlighting the significant value of the Q-EVAL-100K dataset.

    41
  • VQA 2 : Visual Question Answering for Video Quality Assessment

    Ziheng Jia, Zicheng Zhang, Jiaying Qian, Haoning Wu, Wei Sun, Chunyi Li, Xiaohong Liu, Weisi Lin, +2 more

    ACM International Conference on Multimedia (ACM MM) · 2025

    This work provides a foundation and feasible approach for integrating low-level video quality assessment and understanding with LMMs, and presents the VQA² series models, which exceeds the renowned GPT-4o in visual quality understanding tasks while maintaining strong competitiveness in quality scoring tasks.

    33
  • Towards Open-Ended Visual Quality Comparison

    Haoning Wu, Hanwei Zhu, Zicheng Zhang, Erli Zhang, Zhaofeng Chen, Liang Liao, Chunyi Li, Annan Wang, +6 more

    Lecture notes in computer science · 2024

    31
  • Image Quality Assessment: From Human to Machine Preference

    Chunyi Li, Yuan Tian, Xiaoyue Ling, Zicheng Zhang, Haodong Duan, Haoning Wu, Ziheng Jia, Xiaohong Liu, +4 more

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    The subjective preferences of machines are defined, including downstream tasks, test models, and evaluation metrics, and the Machine Preference Database is established, which contains 2.25M fine-grained annotations and 30k reference/distorted image pair instances.

    28
  • A Reduced-Reference Quality Assessment Metric for Textured Mesh Digital Humans

    Zicheng Zhang, Yingjie Zhou, Chunyi Li, Kang Fu, Wei Sun, Xiaohong Liu, Xiongkuo Min, Guangtao Zhai

    IEEE International Conference on Acoustics Speech and Signal Processing · 2024

    28
  • Benchmarking Multi-dimensional AIGC Video Quality Assessment: A Dataset and Unified Model

    Zhichao Zhang, Wei Sun, Xinyue Li, Jun Jia, Xiongkuo Min, Zicheng Zhang, Chunyi Li, Zijian Chen, +4 more

    ACM Transactions on Multimedia Computing Communications and Applications · 2025

    The Unify Generated Video Quality Assessment (UGVQ) model is proposed, designed to accurately evaluate the multi-dimensional quality of AIGC videos, and established a benchmark for evaluating existing quality assessment metrics on the LGVQ dataset.

    27
  • HazeCLIP: Towards Language Guided Real-World Image Dehazing

    Ruiyi Wang, Wenhao Li, Xiaohong Liu, Chunyi Li, Zicheng Zhang, Xiongkuo Min, Guangtao Zhai

    IEEE International Conference on Acoustics Speech and Signal Processing · 2025

    HazeCLIP is introduced, a language-guided adaptation framework designed to enhance the real-world performance of pre-trained dehazing networks, Inspired by the Contrastive Language-Image Pre-training (CLIP) model’s ability to distinguish between hazy and clean images, and leverage it to evaluate dehazing results.

    18
  • Towards All-in-One Medical Image Re-Identification

    Yuan Tian, Kaiyuan Ji, Rongzhao Zhang, Yankai Jiang, Chunyi Li, Xiaosong Wang, Guangtao Zhai

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2025

    This paper introduces a thorough benchmark and a unified model for medical image re-identification and proposes a novel Continuous Modality-based Parameter Adapter (ComPA), which condenses medical content into a continuous modality representation and dynamically adjusts the modality-agnostic model with modalityspecific parameters at runtime.

    12
  • T2I-Scorer: Quantitative Evaluation on Text-to-Image Generation via Fine-Tuned Large Multi-Modal Models

    Haoning Wu, Xiele Wu, Chunyi Li, Zicheng Zhang, Chaofeng Chen, Xiaohong Liu, Guangtao Zhai, Weisi Lin

    ACM International Conference on Multimedia (ACM MM) · 2024

    The T2I-Scorer is introduced, a novel two-stage training methodology aimed at fine-tuning LMMs for T2I evaluation that has reached superior accuracy on T2I evaluation than all kinds of existing T2I metrics under zero-shot settings.

    12
  • G-Refine: A General Quality Refiner for Text-to-Image Generation

    Chunyi Li, Haoning Wu, Hongkun Hao, Zicheng Zhang, Tengchuan Kou, Chaofeng Chen, Lei Bai, Xiaohong Liu, +2 more

    ACM International Conference on Multimedia (ACM MM) · 2024

    G-Refine is introduced, a general image quality refiner designed to enhance low-quality images without compromising the integrity of high-quality ones, and significantly contributes to the practical application of contemporary T2I models, paving the way for their broader adoption.

    11
  • MM-PCQA+: Advancing Multi-Modal Learning for Point Cloud Quality Assessment

    Zicheng Zhang, Yingjie Zhou, Chunyi Li, Wei Sun, Xiongkuo Min, Xiaohong Liu, Guangtao Zhai

    ACM Transactions on Multimedia Computing Communications and Applications · 2025

    This work presents an advanced no-reference Multi-Modal Point Cloud Quality Assessment (MM-PCQA+) metric, which surpasses all state-of-the-art methods and significantly advances beyond previous no-reference PCQA methods.

    10
  • Free-GVC: Towards Training-Free Extreme Generative Video Compression with Temporal Coherence

    Xiaoyue Ling, Chuqin Zhou, Chunyi Li, Yunuo Chen, Yuan Tian, Guo Lu, Wenjun Zhang

    arXiv · 2026

    This paper proposes Free-GVC, a training-free generative video compression framework that reformulates video coding as latent trajectory compression guided by a video diffusion prior, and introduces an Adaptive Quality Control module that dynamically constructs an online rate-perception surrogate model to predict the optimal diffusion step for each GOP.

    8
  • GeoX-Bench: Benchmarking Cross-View Geo-Localization and Pose Estimation Capabilities of Large Multimodal Models

    Yushuo Zheng, Jiangyong Ying, Huiyu Duan, Chunyi Li, Zicheng Zhang, Jing Liu, Xiaohong Liu, Guangtao Zhai

    arXiv · 2025

    The benchmark demonstrate that while current LMMs achieve impressive performance in geo-localization tasks, their effectiveness declines significantly on the more complex pose estimation tasks, highlighting a critical area for future improvement, and instruction-tuning LMMs on the training data of GeoX-Bench can significantly improve the cross-view geo-sense abilities.

    8

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Publication data from OpenAlex; citation counts are the higher of OpenAlex and Semantic Scholar, last synced 2026-10-12. One-sentence summaries under some papers are written by Semantic Scholar’s model. Citation counts may be lower than on Google Scholar, which indexes more sources.

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