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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

This paper addresses the problem of how to exploit spatio-temporal information available in videos to improve the object detection precision. We propose a two stage object detector called FANet based on short-term spatio-temporal feature…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Daniel Cores , Víctor M. Brea , Manuel Mucientes

This paper introduces the system we developed for the Google Cloud & YouTube-8M Video Understanding Challenge, which can be considered as a multi-label classification problem defined on top of the large scale YouTube-8M Dataset. We employ a…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Shaoxiang Chen , Xi Wang , Yongyi Tang , Xinpeng Chen , Zuxuan Wu , Yu-Gang Jiang

One of the key challenges of deep learning based image retrieval remains in aggregating convolutional activations into one highly representative feature vector. Ideally, this descriptor should encode semantic, spatial and low level…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

Video inpainting aims to fill spatio-temporal "corrupted" regions with plausible content. To achieve this goal, it is necessary to find correspondences from neighbouring frames to faithfully hallucinate the unknown content. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Xueyan Zou , Linjie Yang , Ding Liu , Yong Jae Lee

Recent advances in content generation technologies (widely known as DeepFakes) along with the online proliferation of manipulated media content render the detection of such manipulations a task of increasing importance. Even though there…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Polychronis Charitidis , Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Kompatsiaris

Multimodal models have achieved remarkable success in natural image segmentation, yet they often underperform when applied to the medical domain. Through extensive study, we attribute this performance gap to the challenges of multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Wenjun Yu , Yinchen Zhou , Jia-Xuan Jiang , Shubin Zeng , Yuee Li , Zhong Wang

Learning descriptive spatio-temporal object models from data is paramount for the task of semi-supervised video object segmentation. Most existing approaches mainly rely on models that estimate the segmentation mask based on a reference…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Sergi Caelles , Albert Pumarola , Francesc Moreno-Noguer , Alberto Sanfeliu , Luc Van Gool

We propose a self-supervised contrastive learning approach for facial expression recognition (FER) in videos. We propose a novel temporal sampling-based augmentation scheme to be utilized in addition to standard spatial augmentations used…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Shuvendu Roy , Ali Etemad

In recent years, advances in Artificial Intelligence have significantly impacted computer science, particularly in the field of computer vision, enabling solutions to complex problems such as video frame prediction. Video frame prediction…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Jose M. Sánchez Velázquez , Mingbo Cai , Andrew Coney , Álvaro J. García- Tejedor , Alberto Nogales

Existing semi-supervised video object segmentation methods either focus on temporal feature matching or spatial-temporal feature modeling. However, they do not address the issues of sufficient target interaction and efficient parallel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Deshui Miao , Xin Li , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Recent multimodal deepfake detection methods designed for generalization conjecture that single-stage supervised training struggles to generalize across unseen manipulations and datasets. However, such approaches that target generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Ashutosh Anshul , Shreyas Gopal , Deepu Rajan , Eng Siong Chng

Compared to facial expression recognition, expression synthesis requires a very high-dimensional mapping. This problem exacerbates with increasing image sizes and limits existing expression synthesis approaches to relatively small images.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Nazar Khan , Arbish Akram , Arif Mahmood , Sania Ashraf , Kashif Murtaza

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

Computer Vision and Pattern Recognition · Computer Science 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

Video objection detection (VID) has been a rising research direction in recent years. A central issue of VID is the appearance degradation of video frames caused by fast motion. This problem is essentially ill-posed for a single frame.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Haiping Wu , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

Foreground segmentation is an essential task in the field of image understanding. Under unsupervised conditions, different images and instances always have variable expressions, which make it difficult to achieve stable segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Xi Li , Huimin Ma , Hongbing Ma , Yidong Wang

Unsupervised multi-object scene decomposition is a fast-emerging problem in representation learning. Despite significant progress in static scenes, such models are unable to leverage important dynamic cues present in video. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Polina Zablotskaia , Edoardo A. Dominici , Leonid Sigal , Andreas M. Lehrmann

Spatio-temporal feature encoding is essential for encoding facial expression dynamics in video sequences. At test time, most spatio-temporal encoding methods assume that a temporally segmented sequence is fed to a learned model, which could…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Wissam J. Baddar , Yong Man Ro

Recently, deep neural network has shown promising performance in face image recognition. The inputs of most networks are face images, and there is hardly any work reported in literature on network with face videos as input. To sufficiently…

Computer Vision and Pattern Recognition · Computer Science 2016-03-23 Zhen Dong , Su Jia , Chi Zhang , Mingtao Pei

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros