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In object recognition applications, object images usually appear with different quality levels. Practically, it is very important to indicate object image qualities for better application performance, e.g. filtering out low-quality object…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Jing Lu , Baorui Zou , Zhanzhan Cheng , Shiliang Pu , Shuigeng Zhou , Yi Niu , Fei Wu

Although 3D generated content (3DGC) offers advantages in reducing production costs and accelerating design timelines, its quality often falls short when compared to 3D professionally generated content. Common quality issues frequently…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Yingjie Zhou , Zicheng Zhang , Farong Wen , Jun Jia , Yanwei Jiang , Xiaohong Liu , Xiongkuo Min , Guangtao Zhai

Texture-based classification solutions have proven their significance in many domains, from industrial inspections to health-related applications. New methods have been developed based on texture feature learning and CNN-based architectures…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Vijay Pandey , Trapti Kalra , Mayank Gubba , Mohammed Faisal

We introduce GQA, a new dataset for real-world visual reasoning and compositional question answering, seeking to address key shortcomings of previous VQA datasets. We have developed a strong and robust question engine that leverages scene…

Computation and Language · Computer Science 2019-07-12 Drew A. Hudson , Christopher D. Manning

The question of representation of 3D geometry is of vital importance when it comes to leveraging the recent advances in the field of machine learning for geometry processing tasks. For common unstructured surface meshes state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Isaak Lim , Alexander Dielen , Marcel Campen , Leif Kobbelt

This paper aims to compare between four different types of feature extraction approaches in terms of texture segmentation. The feature extraction methods that were used for segmentation are Gabor filters (GF), Gaussian Markov random fields…

Computer Vision and Pattern Recognition · Computer Science 2016-01-05 Omar S. Al-Kadi

Recent years have witnessed remarkable achievements in perceptual image restoration (IR), creating an urgent demand for accurate image quality assessment (IQA), which is essential for both performance comparison and algorithm optimization.…

Image and Video Processing · Electrical Eng. & Systems 2026-04-01 Xiangfei Sheng , Xiaofeng Pan , Zhichao Yang , Pengfei Chen , Leida Li

In the European Union, buildings account for 42% of energy use and 35% of greenhouse gas emissions. Since most existing buildings will still be in use by 2050, retrofitting is crucial for emissions reduction. However, current building…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Etienne Chassaing , Florent Forest , Olga Fink , Malcolm Mielle

With recent advances in deep learning, numerous algorithms have been developed to enhance video quality, reduce visual artifacts, and improve perceptual quality. However, little research has been reported on the quality assessment of…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Tianhao Peng , Chen Feng , Duolikun Danier , Fan Zhang , Benoit Vallade , Alex Mackin , David Bull

Face video quality assessment (FVQA) deserves to be explored in addition to general video quality assessment (VQA), as face videos are the primary content on social media platforms and human visual system (HVS) is particularly sensitive to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Sijing Wu , Yunhao Li , Ziwen Xu , Yixuan Gao , Huiyu Duan , Wei Sun , Guangtao Zhai

We develop a quantum statistical framework for passive optical surface metrology. Modelling a surface as an incoherent ensemble of point emitters imaged through a diffraction-limited system, we employ techniques from quantum parameter…

Quantum Physics · Physics 2026-03-12 Jernej Frank , George Brumpton , Tommaso Tufarelli , Gerardo Adesso , Samanta Piano

Image based Deep Feature Quality Metrics (DFQMs) have been shown to better correlate with subjective perceptual scores over traditional metrics. The fundamental focus of these DFQMs is to exploit internal representations from a large scale…

Image and Video Processing · Electrical Eng. & Systems 2023-03-01 Darren Ramsook , Anil Kokaram

Recent advances of large multi-modality models (LMM) have greatly improved the ability of image quality assessment (IQA) method to evaluate and explain the quality of visual content. However, these advancements are mostly focused on overall…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Chaofeng Chen , Sensen Yang , Haoning Wu , Liang Liao , Zicheng Zhang , Annan Wang , Wenxiu Sun , Qiong Yan , Weisi Lin

Modern face recognition (FR) models excel in constrained scenarios, but often suffer from decreased performance when deployed in unconstrained (real-world) environments due to uncertainties surrounding the quality of the captured facial…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Žiga Babnik , Peter Peer , Vitomir Štruc

A key problem in blind image quality assessment (BIQA) is how to effectively model the properties of human visual system in a data-driven manner. In this paper, we propose a simple and efficient BIQA model based on a novel framework which…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Da Pan , Ping Shi , Ming Hou , Zefeng Ying , Sizhe Fu , Yuan Zhang

BIQA (Blind Image Quality Assessment) is an important field of study that evaluates images automatically. Although significant progress has been made, blind image quality assessment remains a difficult task since images vary in content and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Muhammad Azeem Aslam , Xu Wei , Hassan Khalid , Nisar Ahmed , Zhu Shuangtong , Xin Liu , Yimei Xu

Point clouds and polygonal meshes are widely used when modeling real-world scenarios. Here, point clouds arise, for instance, from acquisition processes applied in various surroundings, such as reverse engineering, rapid prototyping, or…

Computational Geometry · Computer Science 2025-11-24 Henriette Lipschütz , Ulrich Reitebuch , Konrad Polthier , Martin Skrodzki

Point clouds in 3D applications frequently experience quality degradation during processing, e.g., scanning and compression. Reliable point cloud quality assessment (PCQA) is important for developing compression algorithms with good…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Ryosuke Watanabe , Keisuke Nonaka , Eduardo Pavez , Tatsuya Kobayashi , Antonio Ortega

Video quality assessment (VQA) is an important processing task, aiming at predicting the quality of videos in a manner highly consistent with human judgments of perceived quality. Traditional VQA models based on natural image and/or video…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Qi Zheng , Yibo Fan , Leilei Huang , Tianyu Zhu , Jiaming Liu , Zhijian Hao , Shuo Xing , Chia-Ju Chen , Xiongkuo Min , Alan C. Bovik , Zhengzhong Tu

The Diffusion model, a prevalent framework for image generation, encounters significant challenges in terms of broad applicability due to its extended inference times and substantial memory requirements. Efficient Post-training Quantization…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yushi Huang , Ruihao Gong , Jing Liu , Tianlong Chen , Xianglong Liu