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The development of multimodal large language models (MLLMs) enables the evaluation of image quality through natural language descriptions. This advancement allows for more detailed assessments. However, these MLLM-based IQA methods…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zheng Chen , Xun Zhang , Wenbo Li , Renjing Pei , Fenglong Song , Xiongkuo Min , Xiaohong Liu , Xin Yuan , Yong Guo , Yulun Zhang

The objective of augmented reality (AR) is to add digital content to natural images and videos to create an interactive experience between the user and the environment. Scene analysis and object recognition play a crucial role in AR, as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Vladislav Li , Barbara Villarini , Jean-Christophe Nebel , Thomas Lagkas , Panagiotis Sarigiannidis , Vasileios Argyriou

Recent works in video quality assessment (VQA) typically employ monolithic models that typically predict a single quality score for each test video. These approaches cannot provide diagnostic, interpretable feedback, offering little insight…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Chen Feng , Tianhao Peng , Fan Zhang , David Bull

As it is said by Van Gogh, great things are done by a series of small things brought together. Aesthetic experience arises from the aggregation of underlying visual components. However, most existing deep image aesthetic assessment (IAA)…

Multimedia · Computer Science 2021-04-06 Jingwen Hou , Sheng Yang , Weisi Lin , Baoquan Zhao , Yuming Fang

Research on image quality assessment (IQA) remains limited mainly due to our incomplete knowledge about human visual perception. Existing IQA algorithms have been designed or trained with insufficient subjective data with a small degree of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Lucie Lévêque , Ji Yang , Xiaohan Yang , Pengfei Guo , Kenneth Dasalla , Leida Li , Yingying Wu , Hantao Liu

Learning accurate object detectors often requires large-scale training data with precise object bounding boxes. However, labeling such data is expensive and time-consuming. As the crowd-sourcing labeling process and the ambiguities of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Chengxin Liu , Kewei Wang , Hao Lu , Zhiguo Cao , Ziming Zhang

The effectiveness of Object Detection, one of the central problems in computer vision tasks, highly depends on the definition of the loss function - a measure of how accurately your ML model can predict the expected outcome. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Zhora Gevorgyan

Objective geometry quality assessment of point clouds is essential to evaluate the performance of a wide range of point cloud-based solutions, such as denoising, simplification, reconstruction, and watermarking. Existing point cloud quality…

Multimedia · Computer Science 2022-11-03 Zhiyong Su , Chao Chu , Long Chen , Yong Li , Weiqing Li

Bounding box regression is an important component in object detection. Recent work achieves promising performance by optimizing the Intersection over Union~(IoU). However, IoU-based loss has the gradient vanish problem in the case of low…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Tu Zheng , Shuai Zhao , Yang Liu , Zili Liu , Deng Cai

Automatic multi-class object detection in remote sensing images in unconstrained scenarios is of high interest for several applications including traffic monitoring and disaster management. The huge variation in object scale, orientation,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Seyed Majid Azimi , Eleonora Vig , Reza Bahmanyar , Marco Körner , Peter Reinartz

In recent years, many semantic segmentation methods have been proposed to predict label of pixels in the scene. In general, we measure area prediction errors or boundary prediction errors for comparing methods. However, there is no…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yeong-Jun Cho

Without densely tiled anchor boxes or grid points in the image, sparse R-CNN achieves promising results through a set of object queries and proposal boxes updated in the cascaded training manner. However, due to the sparse nature and the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Jing Zhao , Shengjian Wu , Li Sun , Qingli Li

Scientific images fundamentally differ from natural and AI-generated images in that they encode structured domain knowledge rather than merely depict visual scenes. Assessing their quality therefore requires evaluating not only perceptual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Wenzhe Li , Liang Chen , Junying Wang , Yijing Guo , Ye Shen , Farong Wen , Chunyi Li , Zicheng Zhang , Guangtao Zhai

Evaluation protocols play key role in the developmental progress of text detection methods. There are strict requirements to ensure that the evaluation methods are fair, objective and reasonable. However, existing metrics exhibit some…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yuliang Liu , Lianwen Jin , Zecheng Xie , Canjie Luo , Shuaitao Zhang , Lele Xie

In this paper, we propose to learn a deep fitting degree scoring network for monocular 3D object detection, which aims to score fitting degree between proposals and object conclusively. Different from most existing monocular frameworks…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Lijie Liu , Jiwen Lu , Chunjing Xu , Qi Tian , Jie Zhou

Object recognition using single-point supervision has attracted increasing attention recently. However, the performance gap compared with fully-supervised algorithms remains large. Previous works generated class-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Pengfei Chen , Xuehui Yu , Xumeng Han , Kuiran Wang , Guorong Li , Lingxi Xie , Zhenjun Han , Jianbin Jiao

Image quality assessment (IQA) represents a pivotal challenge in image-focused technologies, significantly influencing the advancement trajectory of image processing and computer vision. Recently, IQA has witnessed a notable surge in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Chengqian Ma , Zhengyi Shi , Zhiqiang Lu , Shenghao Xie , Fei Chao , Yao Sui

Conformal Prediction (CP) is a distribution-free method for constructing prediction sets with marginal finite-sample coverage guarantees, making it a suitable framework for reliable uncertainty quantification in safety-critical object…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Christopher Ries , Moussa Kassem Sbeyti , Nicolas Bianco , Nadja Klein

Learning-based image quality assessment (IQA) has made remarkable progress in the past decade, but nearly all consider the two key components -- model and data -- in isolation. Specifically, model-centric IQA focuses on developing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Peibei Cao , Dingquan Li , Kede Ma

In the field of objective image quality assessment (IQA), the Spearman's $\rho$ and Kendall's $\tau$ are two most popular rank correlation indicators, which straightforwardly assign uniform weight to all quality levels and assume each pair…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Qingbo Wu , Hongliang Li , Fanman Meng , King N. Ngan