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Due to the diversity of assessment requirements in various application scenarios for the IQA task, existing IQA methods struggle to directly adapt to these varied requirements after training. Thus, when facing new requirements, a typical…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Zewen Chen , Haina Qin , Juan Wang , Chunfeng Yuan , Bing Li , Weiming Hu , Liang Wang

We present a novel quality assessment method which can predict the perceptual quality of point clouds from new scenes without available annotations by leveraging the rich prior knowledge in images, called the Distribution-Weighted…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Yipeng Liu , Qi Yang , Yujie Zhang , Yiling Xu , Le Yang , Zhu Li

Image Quality Assessment (IQA) algorithms evaluate the perceptual quality of an image using evaluation scores that assess the similarity or difference between two images. We propose a new low-level feature based IQA technique, which applies…

多媒体 · 计算机科学 2017-12-04 Navaneeth K. Kottayil , Irene Cheng , Frederic Dufaux , Anup Basu

Image restoration (IR) often faces various complex and unknown degradations in real-world scenarios, such as noise, blurring, compression artifacts, and low resolution, etc. Training specific models for specific degradation may lead to poor…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Yingjie Zhou , Jiezhang Cao , Farong Wen , Zicheng Zhang , Yu Zhou , Yue Shi , Xiaohong Liu , Radu Timofte , Luc Van Gool , Guangtao Zhai

The development of Large Language Models (LLM) and Diffusion Models brings the boom of Artificial Intelligence Generated Content (AIGC). It is essential to build an effective quality assessment framework to provide a quantifiable evaluation…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Xi Fang , Weigang Wang , Xiaoxin Lv , Jun Yan

The impressive multimodal capabilities demonstrated by OpenAI's GPT-4 have generated significant interest in the development of Multimodal Large Language Models (MLLMs). Visual instruction tuning of MLLMs with machine-generated…

机器学习 · 计算机科学 2025-06-03 Biao Wu , Ling Chen

We propose PPLqa, an easy to compute, language independent, information-theoretic metric to measure the quality of responses of generative Large Language Models (LLMs) in an unsupervised way, without requiring ground truth annotations or…

计算与语言 · 计算机科学 2024-11-26 Gerald Friedland , Xin Huang , Yueying Cui , Vishaal Kapoor , Ashish Khetan , Sanjiv Das

Instruction tuning is widely used to improve a pre-trained Multimodal Large Language Model (MLLM) by training it on curated task-specific datasets, enabling better comprehension of human instructions. However, it is infeasible to collect…

计算与语言 · 计算机科学 2025-05-30 Haiyang Guo , Fanhu Zeng , Ziwei Xiang , Fei Zhu , Da-Han Wang , Xu-Yao Zhang , Cheng-Lin Liu

Recent advances in image editing have heightened the need for reliable Image Editing Quality Assessment (IEQA). Unlike traditional methods, IEQA requires complex reasoning over multimodal inputs and multi-dimensional assessments. Existing…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Xinjie Zhang , Qiang Li , Xiaowen Ma , Axi Niu , Li Yan , Qingsen Yan

Current no-reference image quality assessment (NR-IQA) models for enhanced images often struggle to generalize, as they tend to overfit to the distinct patterns of specific enhancement algorithms rather than evaluating genuine perceptual…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Shiqi Gao , Kang Fu , Zitong Xu , Huiyu Duan , Xiongkuo Min , Jia Wang , Guangtao Zhai

Knowledge Graph Question Answering (KGQA) is a crucial task in natural language processing that requires reasoning over knowledge graphs (KGs) to answer natural language questions. Recent methods utilizing large language models (LLMs) have…

计算与语言 · 计算机科学 2025-06-12 Xiujun Zhou , Pingjian Zhang , Deyou Tang

Multi-modal large language models (MLLMs) have made significant strides in various visual understanding tasks. However, the majority of these models are constrained to process low-resolution images, which limits their effectiveness in…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Xiangyu Zhao , Xiangtai Li , Haodong Duan , Haian Huang , Yining Li , Kai Chen , Hua Yang

Post-training quantization (PTQ) is a primary approach for deploying large language models without fine-tuning, and the quantized performance is often strongly affected by the calibration in PTQ. By contrast, in vision-language models…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Zhenhao Shang , Haizhao Jing , Guoting Wei , Haokui Zhang , Rong Xiao , Jianqing Gao , Peng Wang

While Large Language Models (LLMs) can achieve human-level performance in various tasks, they continue to face challenges when it comes to effectively tackling multi-step physics reasoning tasks. To identify the shortcomings of existing…

计算与语言 · 计算机科学 2024-04-16 Avinash Anand , Janak Kapuriya , Apoorv Singh , Jay Saraf , Naman Lal , Astha Verma , Rushali Gupta , Rajiv Shah

Blind Image Quality Assessment (BIQA) aims to develop methods that estimate the quality scores of images in the absence of a reference image. In this paper, we approach BIQA from a distortion identification perspective, where our primary…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Sepehr Kazemi Ranjbar , Emad Fatemizadeh

Despite remarkable progress in Multimodal Large Language Models (MLLMs), these models still struggle with fine-grained understanding tasks. In this work, we propose Procedurally Generated Tasks (PGT), a simple data-driven framework that…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Rim Assouel , Amir Bar , Michal Drozdzal , Adriana Romero-Soriano

Generating editable, parametric CAD models from a single image holds great potential to lower the barriers of industrial concept design. However, current multi-modal large language models (MLLMs) still struggle with accurately inferring 3D…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yinghui Wang , Xinyu Zhang , Peng Du

In recent years, No-Reference Point Cloud Quality Assessment (NR-PCQA) research has achieved significant progress. However, existing methods mostly seek a direct mapping function from visual data to the Mean Opinion Score (MOS), which is…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Yating Liu , Yujie Zhang , Ziyu Shan , Yiling Xu

The rapid advancement of AI-generated image (AIGI) models presents new challenges for evaluating image quality, particularly across three aspects: perceptual quality, prompt correspondence, and authenticity. To address these challenges, we…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Chuan Cui , Kejiang Chen , Zhihua Wei , Wen Shen , Weiming Zhang , Nenghai Yu

Quality assessment for User Generated Content (UGC) videos plays an important role in ensuring the viewing experience of end-users. Previous UGC video quality assessment (VQA) studies either use the image recognition model or the image…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai