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Image manipulation localization aims at distinguishing forged regions from the whole test image. Although many outstanding prior arts have been proposed for this task, there are still two issues that need to be further studied: 1) how to…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Wei-Yun Liang , Jing Xu , Xiao Jin

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

计算机视觉与模式识别 · 计算机科学 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue

Recently, many detection methods based on convolutional neural networks (CNNs) have been proposed for image splicing forgery detection. Most of these detection methods focus on the local patches or local objects. In fact, image splicing…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Bo Liu , Ranglei Wu , Xiuli Bi , Bin Xiao , Weisheng Li , Guoyin Wang , Xinbo Gao

While videos can be falsified in many different ways, most existing forensic networks are specialized to detect only a single manipulation type (e.g. deepfake, inpainting). This poses a significant issue as the manipulation used to falsify…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Tai D. Nguyen , Matthew C. Stamm

Ultrasound video-based breast lesion segmentation provides a valuable assistance in early breast lesion detection and treatment. However, existing works mainly focus on lesion segmentation based on ultrasound breast images which usually can…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Zhengzheng Tu , Zigang Zhu , Yayang Duan , Bo Jiang , Qishun Wang , Chaoxue Zhang

Continuous sign language recognition (cSLR) is a public significant task that transcribes a sign language video into an ordered gloss sequence. It is important to capture the fine-grained gloss-level details, since there is no explicit…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Pan Xie , Zhi Cui , Yao Du , Mengyi Zhao , Jianwei Cui , Bin Wang , Xiaohui Hu

In this paper we address the problem of human action recognition from video sequences. Inspired by the exemplary results obtained via automatic feature learning and deep learning approaches in computer vision, we focus our attention towards…

计算机视觉与模式识别 · 计算机科学 2017-04-06 Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

This paper describes a network that captures multimodal correlations over arbitrary timestamps. The proposed scheme operates as a complementary, extended network over a multimodal convolutional neural network (CNN). Spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Novanto Yudistira , Takio Kurita

Person re-identification aims at identifying a certain pedestrian across non-overlapping camera networks. Video-based re-identification approaches have gained significant attention recently, expanding image-based approaches by learning…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Jiawei Liu , Zheng-Jun Zha , Xierong Zhu , Na Jiang

Videos can be manipulated by duplicating a sequence of consecutive frames with the goal of concealing or imitating a specific content in the same video. In this paper, we propose a novel coarse-to-fine framework based on deep Convolutional…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Chengjiang Long , Arslan Basharat , Anthony Hoogs

Convolutional Neural Network (CNN) and Transformer have attracted much attention recently for video post-processing (VPP). However, the interaction between CNN and Transformer in existing VPP methods is not fully explored, leading to…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Tong Zhang , Wenxue Cui , Shaohui Liu , Feng Jiang

Convolutional neural networks have enabled accurate image super-resolution in real-time. However, recent attempts to benefit from temporal correlations in video super-resolution have been limited to naive or inefficient architectures. In…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Jose Caballero , Christian Ledig , Andrew Aitken , Alejandro Acosta , Johannes Totz , Zehan Wang , Wenzhe Shi

With the advancement of deep learning-driven video editing technology, security risks have emerged. Malicious video tampering can lead to public misunderstanding, property losses, and legal disputes. Currently, detection methods are mostly…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Pengfei Pei

Three key challenges hinder the development of current deepfake video detection: (1) Temporal features can be complex and diverse: how can we identify general temporal artifacts to enhance model generalization? (2) Spatiotemporal models…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Zhiyuan Yan , Yandan Zhao , Shen Chen , Mingyi Guo , Xinghe Fu , Taiping Yao , Shouhong Ding , Li Yuan

Image operation chain detection techniques have gained increasing attention recently in the field of multimedia forensics. However, existing detection methods suffer from the generalization problem. Moreover, the channel correlation of…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Yakun Niu , Lei Tan , Lei Zhang , Xianyu Zuo

High-quality video inpainting that completes missing regions in video frames is a promising yet challenging task. State-of-the-art approaches adopt attention models to complete a frame by searching missing contents from reference frames,…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Yanhong Zeng , Jianlong Fu , Hongyang Chao

The key success factor of the video deblurring methods is to compensate for the blurry pixels of the mid-frame with the sharp pixels of the adjacent video frames. Therefore, mainstream methods align the adjacent frames based on the…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Huicong Zhang , Haozhe Xie , Hongxun Yao

Deep learning has demonstrated tremendous break through in the area of image/video processing. In this paper, a spatial-temporal residue network (STResNet) based in-loop filter is proposed to suppress visual artifacts such as blocking,…

多媒体 · 计算机科学 2018-04-09 Chuanmin Jia , Shiqi Wang , Xinfeng Zhang , Shanshe Wang , Siwei Ma

In this work, we propose a technique that utilizes a fully convolutional network (FCN) to localize image splicing attacks. We first evaluated a single-task FCN (SFCN) trained only on the surface label. Although the SFCN is shown to provide…

计算机视觉与模式识别 · 计算机科学 2018-02-26 Ronald Salloum , Yuzhuo Ren , C. -C. Jay Kuo

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou