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We propose an effective deep learning approach to aesthetics quality assessment that relies on a new type of pre-trained features, and apply it to the AVA data set, the currently largest aesthetics database. While previous approaches miss…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Vlad Hosu , Bastian Goldlucke , Dietmar Saupe

Recent advancements in video semantic segmentation have made substantial progress by exploiting temporal correlations. Nevertheless, persistent challenges, including redundant computation and the reliability of the feature propagation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yaoyan Zheng , Hongyu Yang , Di Huang

Detecting maliciously falsified facial images and videos has attracted extensive attention from digital-forensics and computer-vision communities. An important topic in manipulation detection is the localization of the fake regions.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Weinan Guan , Wei Wang , Jing Dong , Bo Peng , Tieniu Tan

Unsupervised/self-supervised time series representation learning is a challenging problem because of its complex dynamics and sparse annotations. Existing works mainly adopt the framework of contrastive learning with the time-based…

Machine Learning · Computer Science 2022-05-31 Ling Yang , Shenda Hong

Temporal information can provide useful features for recognizing facial expressions. However, to manually design useful features requires a lot of effort. In this paper, to reduce this effort, a deep learning technique which is regarded as…

Computer Vision and Pattern Recognition · Computer Science 2015-03-06 Heechul Jung , Sihaeng Lee , Sunjeong Park , Injae Lee , Chunghyun Ahn , Junmo Kim

Image-text matching aims to find matched cross-modal pairs accurately. While current methods often rely on projecting cross-modal features into a common embedding space, they frequently suffer from imbalanced feature representations across…

Information Retrieval · Computer Science 2024-01-19 Zuhui Wang , Yunting Yin , I. V. Ramakrishnan

Accurate and robust LiDAR 3D object detection is essential for comprehensive scene understanding in autonomous driving. Despite its importance, LiDAR detection performance is limited by inherent constraints of point cloud data, particularly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Rui Yu , Runkai Zhao , Cong Nie , Heng Wang , HuaiCheng Yan , Meng Wang

Using offline training schemes, researchers have tackled the event segmentation problem by providing full or weak-supervision through manually annotated labels or self-supervised epoch-based training. Most works consider videos that are at…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Ramy Mounir , Roman Gula , Jörn Theuerkauf , Sudeep Sarkar

Detecting deepfake videos is highly challenging given the complexity of characterizing spatio-temporal artifacts. Most existing methods rely on binary classifiers trained using real and fake image sequences, therefore hindering their…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Dat Nguyen , Marcella Astrid , Anis Kacem , Enjie Ghorbel , Djamila Aouada

Tracking a target of interest in both sparse and crowded environments is a challenging problem, not yet successfully addressed in the literature. In this paper, we propose a new long-term visual tracking algorithm, learning discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Nathanael L. Baisa , Deepayan Bhowmik , Andrew Wallace

Conventional feature extraction techniques in the face anti-spoofing domain either analyze the entire video sequence or focus on a specific segment to improve model performance. However, identifying the optimal frames that provide the most…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Usman Muhammad , Mourad Oussalah , Jorma Laaksonen

This paper presents a new approach for the detection of fake videos, based on the analysis of style latent vectors and their abnormal behavior in temporal changes in the generated videos. We discovered that the generated facial videos…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jongwook Choi , Taehoon Kim , Yonghyun Jeong , Seungryul Baek , Jongwon Choi

Deepfakes are the synthesized digital media in order to create ultra-realistic fake videos to trick the spectator. Deep generative algorithms, such as, Generative Adversarial Networks(GAN) are widely used to accomplish such tasks. This…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Pallabi Saikia , Dhwani Dholaria , Priyanka Yadav , Vaidehi Patel , Mohendra Roy

Video inpainting aims to restore missing regions of a video and has many applications such as video editing and object removal. However, existing methods either suffer from inaccurate short-term context aggregation or rarely explore…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Ang Li , Shanshan Zhao , Xingjun Ma , Mingming Gong , Jianzhong Qi , Rui Zhang , Dacheng Tao , Ramamohanarao Kotagiri

Facial expression recognition has many potential applications which has attracted the attention of researchers in the last decade. Feature extraction is one important step in expression analysis which contributes toward fast and accurate…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 S. L. Happy , Aurobinda Routray

In this paper we revisit feature fusion, an old-fashioned topic, in the new context of text-to-video retrieval. Different from previous research that considers feature fusion only at one end, let it be video or text, we aim for feature…

Multimedia · Computer Science 2022-07-28 Fan Hu , Aozhu Chen , Ziyue Wang , Fangming Zhou , Jianfeng Dong , Xirong Li

We present a novel online depth map fusion approach that learns depth map aggregation in a latent feature space. While previous fusion methods use an explicit scene representation like signed distance functions (SDFs), we propose a learned…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Silvan Weder , Johannes L. Schönberger , Marc Pollefeys , Martin R. Oswald

Human pose estimation plays an important role in many computer vision tasks and has been studied for many decades. However, due to complex appearance variations from poses, illuminations, occlusions and low resolutions, it still remains a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Zhihui Su , Ming Ye , Guohui Zhang , Lei Dai , Jianda Sheng

We propose a late-to-early recurrent feature fusion scheme for 3D object detection using temporal LiDAR point clouds. Our main motivation is fusing object-aware latent embeddings into the early stages of a 3D object detector. This feature…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Tong He , Pei Sun , Zhaoqi Leng , Chenxi Liu , Dragomir Anguelov , Mingxing Tan

3D morphable models are widely used for the shape representation of an object class in computer vision and graphics applications. In this work, we focus on deep 3D morphable models that directly apply deep learning on 3D mesh data with a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Zhixiang Chen , Tae-Kyun Kim