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Related papers: FGSVQA: Frequency-Guided Short-form Video Quality …

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We present LLoVi, a language-based framework for long-range video question-answering (LVQA). Unlike prior long-range video understanding methods, which are often costly and require specialized long-range video modeling design (e.g., memory…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Ce Zhang , Taixi Lu , Md Mohaiminul Islam , Ziyang Wang , Shoubin Yu , Mohit Bansal , Gedas Bertasius

Video question-answering (QA) is a core task in video understanding. Evaluating the quality of video QA and video caption data quality for training video large language models (VideoLLMs) is an essential challenge. Although various methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Hao Liang , Zirong Chen , Hejun Dong , Wentao Zhang

Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

The objective of non-reference video quality assessment is to evaluate the quality of distorted video without access to reference high-definition references. In this study, we introduce an enhanced spatial perception module, pre-trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Zihao Yu , Fengbin Guan , Yiting Lu , Xin Li , Zhibo Chen

Video summarization is among challenging tasks in computer vision, which aims at identifying highlight frames or shots over a lengthy video input. In this paper, we propose an novel attention-based framework for video summarization with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Yen-Ting Liu , Yu-Jhe Li , Yu-Chiang Frank Wang

Despite remarkable recent progress, existing long-form VideoQA datasets fall short of meeting the criteria for genuine long-form video understanding. This is primarily due to the use of short videos for question curation, and the reliance…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Hongjie Zhang , Lu Dong , Yi Liu , Yifei Huang , Yali Wang , Limin Wang , Yu Qiao

Video quality assessment (VQA) aims to objectively quantify perceptual quality degradation in alignment with human visual perception. Despite recent advances, existing VQA models still suffer from two critical limitations: \textit{poor…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Linhan Cao , Wei Sun , Weixia Zhang , Xiangyang Zhu , Jun Jia , Kaiwei Zhang , Dandan Zhu , Guangtao Zhai , Xiongkuo Min

Visual Question Answering (VQA) emerges as one of the most fascinating topics in computer vision recently. Many state of the art methods naively use holistic visual features with language features into a Long Short-Term Memory (LSTM)…

Computer Vision and Pattern Recognition · Computer Science 2015-11-19 Aiwen Jiang , Fang Wang , Fatih Porikli , Yi Li

Video Question Answering (VideoQA) has emerged as a challenging frontier in the field of multimedia processing, requiring intricate interactions between visual and textual modalities. Simply uniformly sampling frames or indiscriminately…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Jianxin Liang , Xiaojun Meng , Yueqian Wang , Chang Liu , Qun Liu , Dongyan Zhao

In response to the rising prominence of the Metaverse, omnidirectional videos (ODVs) have garnered notable interest, gradually shifting from professional-generated content (PGC) to user-generated content (UGC). However, the study of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Fei Zhao , Da Pan , Zelu Qi , Ping Shi

Despite the recent progress made in Video Question-Answering (VideoQA), these methods typically function as black-boxes, making it difficult to understand their reasoning processes and perform consistent compositional reasoning. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Zhaohe Liao , Jiangtong Li , Li Niu , Liqing Zhang

Visual question answering (VQA) in medical imaging aims to support clinical diagnosis by automatically interpreting complex imaging data in response to natural language queries. Existing studies typically rely on distinct visual and textual…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yuanhe Tian , Chen Su , Junwen Duan , Yan Song

Recent advancements in video understanding within visual large language models (VLLMs) have led to notable progress. However, the complexity of video data and contextual processing limitations still hinder long-video comprehension. A common…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yanan Guo , Wenhui Dong , Jun Song , Shiding Zhu , Xuan Zhang , Hanqing Yang , Yingbo Wang , Yang Du , Xianing Chen , Bo Zheng

The data scaling law has been shown to significantly enhance the performance of large multi-modal models (LMMs) across various downstream tasks. However, in the domain of perceptual video quality assessment (VQA), the potential of scaling…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Ziheng Jia , Zicheng Zhang , Zeyu Zhang , Yingji Liang , Xiaorong Zhu , Chunyi Li , Jinliang Han , Haoning Wu , Bin Wang , Haoran Zhang , Guanyu Zhu , Qiyong Zhao , Xiaohong Liu , Guangtao Zhai , Xiongkuo Min

We propose an end-to-end attribute compression method for dense point clouds. The proposed method combines a frequency sampling module, an adaptive scale feature extraction module with geometry assistance, and a global hyperprior entropy…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Xiaolong Mao , Hui Yuan , Tian Guo , Shiqi Jiang , Raouf Hamzaoui , Sam Kwong

Perceptual quality assessment of the videos acquired in the wilds is of vital importance for quality assurance of video services. The inaccessibility of reference videos with pristine quality and the complexity of authentic distortions pose…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Bowen Li , Weixia Zhang , Meng Tian , Guangtao Zhai , Xianpei Wang

We propose a new model for no-reference video quality assessment (VQA). Our approach uses a new idea of highly-localized space-time (ST) slices called Space-Time Chips (ST Chips). ST Chips are localized cuts of video data along directions…

Image and Video Processing · Electrical Eng. & Systems 2021-10-04 Joshua P. Ebenezer , Zaixi Shang , Yongjun Wu , Hai Wei , Sriram Sethuraman , Alan C. Bovik

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Boda Lin , Yongjie Zhu , Wenyu Qin , Meng Wang , Pengfei Wan

The explosion of user-generated videos stimulates a great demand for no-reference video quality assessment (NR-VQA). Inspired by our observation on the actions of human annotation, we put forward a Divide and Conquer Video Quality Estimator…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Zutong Li , Lei Yang

Fine-grained video classification requires understanding complex spatio-temporal and semantic cues that often exceed the capacity of a single modality. In this paper, we propose a multimodal framework that fuses video, image, and text…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Namho Kim , Junhwa Kim