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Video prediction is a challenging computer vision task that has a wide range of applications. In this work, we present a new family of Transformer-based models for video prediction. Firstly, an efficient local spatial-temporal separation…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Xi Ye , Guillaume-Alexandre Bilodeau

Compositing is one of the most important editing operations for images and videos. The process of improving the realism of composite results is often called harmonization. Previous approaches for harmonization mainly focus on images. In…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Haozhi Huang , Senzhe Xu , Junxiong Cai , Wei Liu , Shimin Hu

We propose a general framework for self-supervised learning of transferable visual representations based on Video-Induced Visual Invariances (VIVI). We consider the implicit hierarchy present in the videos and make use of (i) frame-level…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Michael Tschannen , Josip Djolonga , Marvin Ritter , Aravindh Mahendran , Xiaohua Zhai , Neil Houlsby , Sylvain Gelly , Mario Lucic

We propose a self-supervised learning approach for videos that learns representations of both the RGB frames and the accompanying audio without human supervision. In contrast to images that capture the static scene appearance, videos also…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Simon Jenni , Alexander Black , John Collomosse

In this paper, we focus on the self-supervised learning of visual correspondence using unlabeled videos in the wild. Our method simultaneously considers intra- and inter-video representation associations for reliable correspondence…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Ning Wang , Wengang Zhou , Houqiang Li

Visual Transformers (VTs) are emerging as an architectural paradigm alternative to Convolutional networks (CNNs). Differently from CNNs, VTs can capture global relations between image elements and they potentially have a larger…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yahui Liu , Enver Sangineto , Wei Bi , Nicu Sebe , Bruno Lepri , Marco De Nadai

Video watermarking embeds a message into a cover video in an imperceptible manner, which can be retrieved even if the video undergoes certain modifications or distortions. Traditional watermarking methods are often manually designed for…

多媒体 · 计算机科学 2021-04-27 Xiyang Luo , Yinxiao Li , Huiwen Chang , Ce Liu , Peyman Milanfar , Feng Yang

In recent years, the proliferation of multimedia applications and formats, such as IPTV, Virtual Reality (VR, 360-degree), and point cloud videos, has presented new challenges to the video compression research community. Simultaneously,…

图像与视频处理 · 电气工程与系统科学 2023-10-23 Thomas Amestoy , Naty Sidaty , Wassim Hamidouche , Pierrick Philippe , Daniel Menard

Adversarial Training (AT) has been shown to significantly enhance adversarial robustness via a min-max optimization approach. However, its effectiveness in video recognition tasks is hampered by two main challenges. First, fast adversarial…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Songping Wang , Hanqing Liu , Yueming Lyu , Xiantao Hu , Ziwen He , Wei Wang , Caifeng Shan , Liang Wang

Despite remarkable progress in image translation, the complex scene with multiple discrepant objects remains a challenging problem. The translated images have low fidelity and tiny objects in fewer details causing unsatisfactory performance…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Liyun Zhang , Photchara Ratsamee , Bowen Wang , Zhaojie Luo , Yuki Uranishi , Manabu Higashida , Haruo Takemura

In this paper, we study a practical space-time video super-resolution (STVSR) problem which aims at generating a high-framerate high-resolution sharp video from a low-framerate low-resolution blurry video. Such problem often occurs when…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Jiezhang Cao , Jingyun Liang , Kai Zhang , Wenguan Wang , Qin Wang , Yulun Zhang , Hao Tang , Luc Van Gool

In recent years we have witnessed tremendous progress in unpaired image-to-image translation methods, propelled by the emergence of DNNs and adversarial training strategies. However, most existing methods focus on transfer of style and…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Oren Katzir , Dani Lischinski , Daniel Cohen-Or

In this work, we study the image transformation problem, which targets at learning the underlying transformations (e.g., the transition of seasons) from a collection of unlabeled images. However, there could be countless of transformations…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kaiwen Zha , Yujun Shen , Bolei Zhou

Even with the growing interest in problems at the intersection of Computer Vision and Natural Language, grounding (i.e. identifying) the components of a structured description in an image still remains a challenging task. This contribution…

计算与语言 · 计算机科学 2019-10-08 Jean-Benoit Delbrouck , Stéphane Dupont

Video-Text Retrieval (VTR) aims to search for the most relevant video related to the semantics in a given sentence, and vice versa. In general, this retrieval task is composed of four successive steps: video and textual feature…

计算机视觉与模式识别 · 计算机科学 2023-02-27 Cunjuan Zhu , Qi Jia , Wei Chen , Yanming Guo , Yu Liu

The use of accurate scanning transmission electron microscopy (STEM) image simulation methods require large computation times that can make their use infeasible for the simulation of many images. Other simulation methods based on linear…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Nick Lawrence , Mingren Shen , Ruiqi Yin , Cloris Feng , Dane Morgan

Most self-supervised video representation learning approaches focus on action recognition. In contrast, in this paper we focus on self-supervised video learning for movie understanding and propose a novel hierarchical self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Fanyi Xiao , Kaustav Kundu , Joseph Tighe , Davide Modolo

Performance on the most commonly used Visual Question Answering dataset (VQA v2) is starting to approach human accuracy. However, in interacting with state-of-the-art VQA models, it is clear that the problem is far from being solved. In…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Sasha Sheng , Amanpreet Singh , Vedanuj Goswami , Jose Alberto Lopez Magana , Wojciech Galuba , Devi Parikh , Douwe Kiela

Learning to transfer visual attributes requires supervision dataset. Corresponding images with varying attribute values with the same identity are required for learning the transfer function. This largely limits their applications, because…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Taeksoo Kim , Byoungjip Kim , Moonsu Cha , Jiwon Kim

With the recent boom of video-based social platforms (e.g., YouTube and TikTok), video retrieval using sentence queries has become an important demand and attracts increasing research attention. Despite the decent performance, existing…

信息检索 · 计算机科学 2022-02-11 Jinpeng Wang , Bin Chen , Dongliang Liao , Ziyun Zeng , Gongfu Li , Shu-Tao Xia , Jin Xu