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The visual quality of point clouds has been greatly emphasized since the ever-increasing 3D vision applications are expected to provide cost-effective and high-quality experiences for users. Looking back on the development of point cloud…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Zicheng Zhang , Wei Sun , Xiongkuo Min , Quan Zhou , Jun He , Qiyuan Wang , Guangtao Zhai

The rapid advancement of large multimodal models (LMMs) has led to the rapid expansion of artificial intelligence generated videos (AIGVs), which highlights the pressing need for effective video quality assessment (VQA) models designed…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Jiarui Wang , Huiyu Duan , Guangtao Zhai , Juntong Wang , Xiongkuo Min

Perceptual video quality assessment (VQA) is an integral component of many streaming and video sharing platforms. Here we consider the problem of learning perceptually relevant video quality representations in a self-supervised manner.…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

In this paper, we present a novel method of no-reference image quality assessment (NR-IQA), which is to predict the perceptual quality score of a given image without using any reference image. The proposed method harnesses three functions…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Diqi Chen , Yizhou Wang , Tianfu Wu , Wen Gao

Video-Question-Answering (VideoQA) comprises the capturing of complex visual relation changes over time, remaining a challenge even for advanced Video Language Models (VLM), i.a., because of the need to represent the visual content to a…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Sofian Chaybouti , Walid Bousselham , Moritz Wolter , Hilde Kuehne

Recent advances in Multimodal Large Language Models (MLLMs) have introduced a paradigm shift for Image Quality Assessment (IQA) from unexplainable image quality scoring to explainable IQA, demonstrating practical applications like quality…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Wenjie Liao , Jieyu Yuan , Yifang Xu , Chunle Guo , Zilong Zhang , Jihong Li , Jiachen Fu , Haotian Fan , Tao Li , Junhui Cui , Chongyi Li

Neural View Synthesis (NVS), such as NeRF and 3D Gaussian Splatting, effectively creates photorealistic scenes from sparse viewpoints, typically evaluated by quality assessment methods like PSNR, SSIM, and LPIPS. However, these…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Qiang Qu , Yiran Shen , Xiaoming Chen , Yuk Ying Chung , Weidong Cai , Tongliang Liu

Image Quality Assessment (IQA) has long been a research hotspot in the field of image processing, especially No-Reference Image Quality Assessment (NR-IQA). Due to the powerful feature extraction ability, existing Convolution Neural Network…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Jinsong Shi , Pan Gao , Jie Qin

Video Question Answering (VQA) inherently relies on multimodal reasoning, integrating visual, temporal, and linguistic cues to achieve a deeper understanding of video content. However, many existing methods rely on feeding frame-level…

This paper introduces a Video Quality Assessment (VQA) problem that has received little attention in the literature, called the latent resolution prediction problem. The problem arises when images or videos are upscaled from their native…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Rittwika Kansabanik , Adrian Barbu

Measuring the perceptual quality of images automatically is an essential task in the area of computer vision, as degradations on image quality can exist in many processes from image acquisition, transmission to enhancing. Many Image Quality…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Jing Wang , Haotian Fan , Xiaoxia Hou , Yitian Xu , Tao Li , Xuechao Lu , Lean Fu

Video-quality measurement is a critical task in video processing. Nowadays, many implementations of new encoding standards - such as AV1, VVC, and LCEVC - use deep-learning-based decoding algorithms with perceptual metrics that serve as…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Anastasia Antsiferova , Sergey Lavrushkin , Maksim Smirnov , Alexander Gushchin , Dmitriy Vatolin , Dmitriy Kulikov

We propose the LEHA-CVQAD (Large-scale Enriched Human-Annotated Compressed Video Quality Assessment) dataset, which comprises 6,240 clips for compression-oriented video quality assessment. 59 source videos are encoded with 186 codec-preset…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Aleksandr Gushchin , Maksim Smirnov , Dmitriy Vatolin , Anastasia Antsiferova

Completely blind video quality assessment (VQA) refers to a class of quality assessment methods that do not use any reference videos, human opinion scores or training videos from the target database to learn a quality model. The design of…

图像与视频处理 · 电气工程与系统科学 2024-06-25 Shankhanil Mitra , Rajiv Soundararajan

Following the major successes of self-attention and Transformers for image analysis, we investigate the use of such attention mechanisms in the context of Image Quality Assessment (IQA) and propose a novel full-reference IQA method, Vision…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Andrei Chubarau , James Clark

Video quality is a primary concern for video service providers. In recent years, the techniques of video quality assessment (VQA) based on deep convolutional neural networks (CNNs) have been developed rapidly. Although existing works…

图像与视频处理 · 电气工程与系统科学 2022-10-11 Ao-Xiang Zhang , Yuan-Gen Wang , Weixuan Tang , Leida Li , Sam Kwong

Traditional video quality assessment (VQA) methods evaluate localized picture quality and video score is predicted by temporally aggregating frame scores. However, video quality exhibits different characteristics from static image quality…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Munan Xu , Junming Chen , Haiqiang Wang , Shan Liu , Ge Li , Zhiqiang Bai

Video Quality Assessment (VQA) is evolving beyond single-number mean opinion score toward richer, multi-faceted evaluations of video content. In this paper, we present a large-scale multi-dimensional VQA dataset UltraVQA that encompasses…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Boda Lin , Yongjie Zhu , Wenyu Qin , Meng Wang , Pengfei Wan

With the new generation of satellite technologies, the archives of remote sensing (RS) images are growing very fast. To make the intrinsic information of each RS image easily accessible, visual question answering (VQA) has been introduced…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Tim Siebert , Kai Norman Clasen , Mahdyar Ravanbakhsh , Begüm Demir

In user-generated content (UGC) transcoding, source videos typically suffer various degradations due to prior compression, editing, or suboptimal capture conditions. Consequently, existing video compression paradigms that solely optimize…

图像与视频处理 · 电气工程与系统科学 2026-03-27 Zihao Qi , Chen Feng , Fan Zhang , Xiaozhong Xu , Shan Liu , David Bull