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Recent advances in reasoning-induced image quality assessment (IQA) have demonstrated the power of reinforcement learning to rank (RL2R) for training vision-language models (VLMs) to assess perceptual quality. However, existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xiangyong Chen , Xiaochuan Lin , Haoran Liu , Xuan Li , Yichen Su , Xiangwei Guo

Non-Factoid (NF) Question Answering (QA) is challenging to evaluate due to diverse potential answers and no objective criterion. The commonly used automatic evaluation metrics like ROUGE or BERTScore cannot accurately measure semantic…

Computation and Language · Computer Science 2024-10-01 Sihui Yang , Keping Bi , Wanqing Cui , Jiafeng Guo , Xueqi Cheng

In this paper, we propose a No-Reference Image Quality Assessment (NRIQA) guided cut-off point selection (CPS) strategy to enhance the performance of a fine-grained classification system. Scores given by existing NRIQA methods on the same…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Joseph Smith , Zheming Zuo , Jonathan Stonehouse , Boguslaw Obara

Existing Image Quality Assessment (IQA) methods achieve remarkable success in analyzing quality for overall image, but few works explore quality analysis for Regions of Interest (ROIs). The quality analysis of ROIs can provide fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Zewen Chen , Juan Wang , Wen Wang , Sunhan Xu , Hang Xiong , Yun Zeng , Jian Guo , Shuxun Wang , Chunfeng Yuan , Bing Li , Weiming Hu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

The performance of 3D object detection models over point clouds highly depends on their capability of modeling local geometric patterns. Conventional point-based models exploit local patterns through a symmetric function (e.g. max pooling)…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Jianan Li , Jiashi Feng

Evaluating uncertainty is critical for reliable use of Mobile Laser Scanning (MLS) point clouds in many high-precision applications such as Scan-to-BIM, deformation analysis, and 3D modeling. However, obtaining the ground truth (GT) for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Ziyang Xu , Olaf Wysocki , Christoph Holst

Listwise rerankers based on large language models (LLM) are the zero-shot state-of-the-art. However, current works in this direction all depend on the GPT models, making it a single point of failure in scientific reproducibility. Moreover,…

Computation and Language · Computer Science 2023-12-06 Xinyu Zhang , Sebastian Hofstätter , Patrick Lewis , Raphael Tang , Jimmy Lin

Image quality assessment (IQA) focuses on the perceptual visual quality of images, playing a crucial role in downstream tasks such as image reconstruction, compression, and generation. The rapid advancement of multi-modal large language…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Weiqi Li , Xuanyu Zhang , Shijie Zhao , Yabin Zhang , Junlin Li , Li Zhang , Jian Zhang

Document image quality assessment (DIQA) is an important and challenging problem in real applications. In order to predict the quality scores of document images, this paper proposes a novel no-reference DIQA method based on character…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Hongyu Li , Fan Zhu , Junhua Qiu

Latest advances in Super-Resolution (SR) have been tested with general purpose images such as faces, landscapes and objects, mainly unused for the task of super-resolving Earth Observation (EO) images. In this research paper, we benchmark…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 David Berga , Pau Gallés , Katalin Takáts , Eva Mohedano , Laura Riordan-Chen , Clara Garcia-Moll , David Vilaseca , Javier Marín

In recent years, we have witnessed the presence of point cloud data in many aspects of our life, from immersive media, autonomous driving to healthcare, although at the cost of a tremendous amount of data. In this paper, we present an…

Image and Video Processing · Electrical Eng. & Systems 2024-03-21 Dat Thanh Nguyen , Andre Kaup

Recurrence quantification analysis (RQA) is a well established method of nonlinear data analysis. In this work we present a new strategy for an almost parameter-free RQA. The approach finally omits the choice of the threshold parameter by…

Data Analysis, Statistics and Probability · Physics 2022-11-02 Radim Pánis , Karel Adámek , Norbert Marwan

Recently, increasing interest has been drawn in exploiting deep convolutional neural networks (DCNNs) for no-reference image quality assessment (NR-IQA). Despite of the notable success achieved, there is a broad consensus that training…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Hancheng Zhu , Leida Li , Jinjian Wu , Weisheng Dong , Guangming Shi

In this paper, we propose a deep learning based video quality assessment (VQA) framework to evaluate the quality of the compressed user's generated content (UGC) videos. The proposed VQA framework consists of three modules, the feature…

Image and Video Processing · Electrical Eng. & Systems 2021-06-03 Wei Sun , Tao Wang , Xiongkuo Min , Fuwang Yi , Guangtao Zhai

Zero-shot 3D point cloud understanding can be achieved via 2D Vision-Language Models (VLMs). Existing strategies directly map Vision-Language Models from 2D pixels of rendered or captured views to 3D points, overlooking the inherent and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

No-Reference Image Quality Assessment (NR-IQA) remains a challenging task due to the diversity of distortions and the lack of large annotated datasets. Many studies have attempted to tackle these challenges by developing more accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

A computationally-simplified and descriptor-richer Point Cloud Quality Assessment (PCQA) metric, namely PointPCA+, is proposed in this paper, which is an extension of PointPCA. PointPCA proposed a set of perceptually-relevant descriptors…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Xuemei Zhou , Evangelos Alexiou , Irene Viola , Pablo Cesar

Point cloud registration aims to provide estimated transformations to align point clouds, which plays a crucial role in pose estimation of various navigation systems, such as surgical guidance systems and autonomous vehicles. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Geng Li , Haozhi Cao , Mingyang Liu , Shenghai Yuan , Jianfei Yang
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