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Current state-of-the-art approaches to video understanding adopt temporal jittering to simulate analyzing the video at varying frame rates. However, this does not work well for multirate videos, in which actions or subactions occur at…

Computer Vision and Pattern Recognition · Computer Science 2018-10-31 Yi Zhu , Shawn Newsam

Multimodal ML models can process data in multiple modalities (e.g., video, images, audio, text) and are useful for video content analysis in a variety of problems (e.g., object detection, scene understanding). In this paper, we focus on the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Palash Goyal , Saurabh Sahu , Shalini Ghosh , Chul Lee

Detecting activities in untrimmed videos is an important but challenging task. The performance of existing methods remains unsatisfactory, e.g., they often meet difficulties in locating the beginning and end of a long complex action. In…

Computer Vision and Pattern Recognition · Computer Science 2017-03-09 Yuanjun Xiong , Yue Zhao , Limin Wang , Dahua Lin , Xiaoou Tang

Visual question answering (VQA) is an interesting learning setting for evaluating the abilities and shortcomings of current systems for image understanding. Many of the recently proposed VQA systems include attention or memory mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2016-11-24 Allan Jabri , Armand Joulin , Laurens van der Maaten

Quality assessment is a key element for the evaluation of hardware and software involved in image and video acquisition, processing, and visualization. In the medical field, user-based quality assessment is still considered more reliable…

Current work on Visual Question Answering (VQA) explore deterministic approaches conditioned on various types of image and question features. We posit that, in addition to image and question pairs, other modalities are useful for teaching…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Zixu Wang , Yishu Miao , Lucia Specia

We propose a perceptual video quality assessment (PVQA) metric for distorted videos by analyzing the power spectral density (PSD) of a group of pictures. This is an estimation approach that relies on the changes in video dynamic calculated…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Mohammed A. Aabed , Gukyeong Kwon , Ghassan AlRegib

Visual Question Answering (VQA) research is split into two camps: the first focuses on VQA datasets that require natural image understanding and the second focuses on synthetic datasets that test reasoning. A good VQA algorithm should be…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Robik Shrestha , Kushal Kafle , Christopher Kanan

Video Large Language Models (Video-LLMs) are flourishing and has advanced many video-language tasks. As a golden testbed, Video Question Answering (VideoQA) plays pivotal role in Video-LLM developing. This work conducts a timely and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Junbin Xiao , Nanxin Huang , Hangyu Qin , Dongyang Li , Yicong Li , Fengbin Zhu , Zhulin Tao , Jianxing Yu , Liang Lin , Tat-Seng Chua , Angela Yao

Video quality assessment (VQA) is a crucial task in the development of video compression standards, as it directly impacts the viewer experience. This paper presents the results of the Compressed Video Quality Assessment challenge, held in…

This paper introduces temporal image fusion. The proposed technique builds upon previous research in exposure fusion and expands it to deal with the limited Temporal Dynamic Range of existing sensors and camera technologies. In particular,…

Computer Vision and Pattern Recognition · Computer Science 2014-03-04 Francisco J. Estrada

Despite remarkable progress in recent years, Vision Language Models (VLMs) remain prone to overconfidence and hallucinations on tasks such as Visual Question Answering (VQA) and Visual Reasoning. Bayesian methods can potentially improve…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Tobias Jan Wieczorek , Nathalie Daun , Mohammad Emtiyaz Khan , Marcus Rohrbach

Image Quality Assessment (IQA) is a core task in computer vision. Multimodal methods based on vision-language models, such as CLIP, have demonstrated exceptional generalization capabilities in IQA tasks. To address the issues of excessive…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Yongkang Hou , Jiarun Song

There is a growing trend of applying machine learning methods to medical datasets in order to predict patients' future status. Although some of these methods achieve high performance, challenges still exist in comparing and evaluating…

Medical Physics · Physics 2020-03-25 Yiran Li , Takanori Fujiwara , Yong K. Choi , Katherine K. Kim , Kwan-Liu Ma

Visual question answering (VQA) demands simultaneous comprehension of both the image visual content and natural language questions. In some cases, the reasoning needs the help of common sense or general knowledge which usually appear in the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Hui Li , Peng Wang , Chunhua Shen , Anton van den Hengel

In this work, we propose a no-reference video quality assessment method, aiming to achieve high-generalization capability in cross-content, -resolution and -frame rate quality prediction. In particular, we evaluate the quality of a video by…

Image and Video Processing · Electrical Eng. & Systems 2021-06-24 Baoliang Chen , Lingyu Zhu , Guo Li , Hongfei Fan , Shiqi Wang

Visual question answering (VQA) has witnessed great progress since May, 2015 as a classic problem unifying visual and textual data into a system. Many enlightening VQA works explore deep into the image and question encodings and fusing…

Computer Vision and Pattern Recognition · Computer Science 2017-02-23 Yuetan Lin , Zhangyang Pang , Donghui Wang , Yueting Zhuang

While single image shadow detection has been improving rapidly in recent years, video shadow detection remains a challenging task due to data scarcity and the difficulty in modelling temporal consistency. The current video shadow detection…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Shilin Hu , Hieu Le , Dimitris Samaras

Visual Question Answering (VQA) is an evolving research field aimed at enabling machines to answer questions about visual content by integrating image and language processing techniques such as feature extraction, object detection, text…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ngoc Dung Huynh , Mohamed Reda Bouadjenek , Sunil Aryal , Imran Razzak , Hakim Hacid

Video quality assessment (VQA) seeks to predict the perceptual quality of a video in alignment with human visual perception, serving as a fundamental tool for quantifying quality degradation across video processing workflows. The dominant…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Linhan Cao , Wei Sun , Xiangyang Zhu , Kaiwei Zhang , Jun Jia , Yicong Peng , Dandan Zhu , Guangtao Zhai , Xiongkuo Min