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We tackle the problem of person re-identification in video setting in this paper, which has been viewed as a crucial task in many applications. Meanwhile, it is very challenging since the task requires learning effective representations…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Xinxing Su , Yingtian Zou , Yu Cheng , Shuangjie Xu , Mo Yu , Pan Zhou

Given the vast amounts of video available online, and recent breakthroughs in object detection with static images, object detection in video offers a promising new frontier. However, motion blur and compression artifacts cause substantial…

计算机视觉与模式识别 · 计算机科学 2016-07-20 Subarna Tripathi , Zachary C. Lipton , Serge Belongie , Truong Nguyen

The proliferation of mobile devices and social media has revolutionized content dissemination, with short-form video becoming increasingly prevalent. This shift has introduced the challenge of video reframing to fit various screen aspect…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Jiawang Cao , Yongliang Wu , Weiheng Chi , Wenbo Zhu , Ziyue Su , Jay Wu

We propose the first approach for the decomposition of a monocular color video into direct and indirect illumination components in real time. We retrieve, in separate layers, the contribution made to the scene appearance by the scene…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Abhimitra Meka , Mohammad Shafiei , Michael Zollhoefer , Christian Richardt , Christian Theobalt

We present a system that automatically brings street view imagery to life by populating it with naturally behaving, animated pedestrians and vehicles. Our approach is to remove existing people and vehicles from the input image, insert…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Mengyi Shan , Brian Curless , Ira Kemelmacher-Shlizerman , Steve Seitz

Despite many advances in deep-learning based semantic segmentation, performance drop due to distribution mismatch is often encountered in the real world. Recently, a few domain adaptation and active learning approaches have been proposed to…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Yu-Ting Chen , Wen-Yen Chang , Hai-Lun Lu , Tingfan Wu , Min Sun

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Video portraits relighting is critical in user-facing human photography, especially for immersive VR/AR experience. Recent advances still fail to recover consistent relit result under dynamic illuminations from monocular RGB stream,…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Longwen Zhang , Qixuan Zhang , Minye Wu , Jingyi Yu , Lan Xu

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki

We present MultiPly, a novel framework to reconstruct multiple people in 3D from monocular in-the-wild videos. Reconstructing multiple individuals moving and interacting naturally from monocular in-the-wild videos poses a challenging task.…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zeren Jiang , Chen Guo , Manuel Kaufmann , Tianjian Jiang , Julien Valentin , Otmar Hilliges , Jie Song

In this paper, a simple yet efficient activity recognition method for first-person video is introduced. The proposed method is appropriate for representation of high-dimensional features such as those extracted from convolutional neural…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Reza Kahani , Alireza Talebpour , Ahmad Mahmoudi-Aznaveh

We introduce a simple yet effective algorithm that uses convolutional neural networks to directly estimate object poses from videos. Our approach leverages the temporal information from a video sequence, and is computationally efficient and…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Apoorva Beedu , Zhile Ren , Varun Agrawal , Irfan Essa

Videos captured in the wild often suffer from rain streaks, blur, and noise. In addition, even slight changes in camera pose can amplify cross-frame mismatches and temporal artifacts. Existing methods rely on optical flow or heuristic…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Shuning Sun , Jialang Lu , Xiang Chen , Jichao Wang , Dianjie Lu , Guijuan Zhang , Guangwei Gao , Zhuoran Zheng

Motion blur in videos captured by autonomous vehicles and robots can degrade their perception capability. In this work, we present a novel approach to video deblurring by fitting a deep network to the test video. Our key observation is that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Xuanchi Ren , Zian Qian , Qifeng Chen

Tracking Facial Points in unconstrained videos is challenging due to the non-rigid deformation that changes over time. In this paper, we propose to exploit incremental learning for person-specific alignment in wild conditions. Our approach…

计算机视觉与模式识别 · 计算机科学 2016-09-12 Xi Peng , Qiong Hu , Junzhou Huang , Dimitris N. Metaxas

The state of the art in video super-resolution (SR) are techniques based on deep learning, but they perform poorly on real-world videos (see Figure 1). The reason is that training image-pairs are commonly created by downscaling a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Noam Elron , Alex Itskovich , Shahar S. Yuval , Noam Levy

Human motion generation involves creating natural sequences of human body poses, widely used in gaming, virtual reality, and human-computer interaction. It aims to produce lifelike virtual characters with realistic movements, enhancing…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Jiayi Zhao , Dongdong Weng , Qiuxin Du , Zeyu Tian

Rendering 3D human appearance from a single image in real-time is crucial for achieving holographic communication and immersive VR/AR. Existing methods either rely on multi-camera setups or are constrained to offline operations. In this…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Yuanwang Yang , Qiao Feng , Yu-Kun Lai , Kun Li

We present REM, a framework for segmenting a wide range of concepts in video that can be described through natural language. Our method leverages the universal visual-language mapping learned by video diffusion models on Internet-scale data…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Anurag Bagchi , Zhipeng Bao , Yu-Xiong Wang , Pavel Tokmakov , Martial Hebert