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Contaminants such as dust, dirt and moisture adhering to the camera lens can greatly affect the quality and clarity of the resulting image or video. In this paper, we propose a video restoration method to automatically remove these…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Xiaoyu Li , Bo Zhang , Jing Liao , Pedro V. Sander

This paper introduces a tuning-free method for both object insertion and subject-driven generation. The task involves composing an object, given multiple views, into a scene specified by either an image or text. Existing methods struggle to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Daniel Winter , Asaf Shul , Matan Cohen , Dana Berman , Yael Pritch , Alex Rav-Acha , Yedid Hoshen

Video captioning is a challenging task since it requires generating sentences describing various diverse and complex videos. Existing video captioning models lack adequate visual representation due to the neglect of the existence of gaps…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Mingkang Tang , Zhanyu Wang , Zhenhua Liu , Fengyun Rao , Dian Li , Xiu Li

Matrix completion is one of the key problems in signal processing and machine learning. In recent years, deep-learning-based models have achieved state-of-the-art results in matrix completion. Nevertheless, they suffer from two drawbacks:…

Machine Learning · Computer Science 2018-12-05 Duc Minh Nguyen , Evaggelia Tsiligianni , Nikos Deligiannis

In recent years, video action recognition, as a fundamental task in the field of video understanding, has been deeply explored by numerous researchers.Most traditional video action recognition methods typically involve converting videos…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junlin Chen , Chengcheng Xu , Yangfan Xu , Jian Yang , Jun Li , Zhiping Shi

Video matting aims to predict the alpha mattes for each frame from a given input video sequence. Recent solutions to video matting have been dominated by deep convolutional neural networks (CNN) for the past few years, which have become the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Jiachen Li , Vidit Goel , Marianna Ohanyan , Shant Navasardyan , Yunchao Wei , Humphrey Shi

Existing color sampling based alpha matting methods use the compositing equation to estimate alpha at a pixel from pairs of foreground (F) and background (B) samples. The quality of the matte depends on the selected (F,B) pairs. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-04-26 Jubin Johnson , Ehsan Shahrian Varnousfaderani , Hisham Cholakkal , Deepu Rajan

Recently, convex formulations of low-rank matrix factorization problems have received considerable attention in machine learning. However, such formulations often require solving for a matrix of the size of the data matrix, making it…

Machine Learning · Computer Science 2017-08-29 Benjamin D. Haeffele , Rene Vidal

We propose a method for human action recognition, one that can localize the spatiotemporal regions that `define' the actions. This is a challenging task due to the subtlety of human actions in video and the co-occurrence of contextual…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Yang Wang , Vinh Tran , Gedas Bertasius , Lorenzo Torresani , Minh Hoai

Achieving fine-grained controllability in human image synthesis is a long-standing challenge in computer vision. Existing methods primarily focus on either facial synthesis or near-frontal body generation, with limited ability to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Zhengwentai Sun , Chenghong Li , Hongjie Liao , Xihe Yang , Keru Zheng , Heyuan Li , Yihao Zhi , Shuliang Ning , Shuguang Cui , Xiaoguang Han

Human matting is a foundation task in image and video processing, where human foreground pixels are extracted from the input. Prior works either improve the accuracy by additional guidance or improve the temporal consistency of a single…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Chuong Huynh , Seoung Wug Oh , Abhinav Shrivastava , Joon-Young Lee

This study addresses generating counterfactual explanations with multimodal information. Our goal is not only to classify a video into a specific category, but also to provide explanations on why it is not categorized to a specific class…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Atsushi Kanehira , Kentaro Takemoto , Sho Inayoshi , Tatsuya Harada

Compositional video generation aims to synthesize multiple instances with diverse appearance and motion. However, current approaches mainly focus on binding semantics, neglecting to understand diverse motion categories specified in prompts.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zixuan Wang , Ziqin Zhou , Feng Chen , Duo Peng , Yixin Hu , Changsheng Li , Yinjie Lei

Volumetric video relighting is essential for bringing captured performances into virtual worlds, but current approaches struggle to deliver temporally stable, production-ready results. Diffusion-based intrinsic decomposition methods show…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Elisabeth Jüttner , Janelle Pfeifer , Leona Krath , Stefan Korfhage , Hannah Dröge , Matthias B. Hullin , Markus Plack

We define and address the problem of unsupervised learning of disentangled representations on data generated from independent factors of variation. We propose FactorVAE, a method that disentangles by encouraging the distribution of…

Machine Learning · Statistics 2019-07-10 Hyunjik Kim , Andriy Mnih

Complex software can be hard to read, adapt, and maintain. Refactoring it can create cleaner and self-explanatory code. Refactoring tools try to guide developers towards better code, with more quality. However, most of them take too long to…

Software Engineering · Computer Science 2023-07-21 Sara Fernandes , Ademar Aguiar , André Restivo

Despite the significant progress made by deep learning in natural image matting, there has been so far no representative work on deep learning for video matting due to the inherent technical challenges in reasoning temporal domain and lack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Yanan Sun , Guanzhi Wang , Qiao Gu , Chi-Keung Tang , Yu-Wing Tai

With the explosive growth of video data in real-world applications, a comprehensive representation of videos becomes increasingly important. In this paper, we address the problem of video scene recognition, whose goal is to learn a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xuzheng Yu , Chen Jiang , Wei Zhang , Tian Gan , Linlin Chao , Jianan Zhao , Yuan Cheng , Qingpei Guo , Wei Chu

Traditional nonnegative matrix factorization (NMF) learns a new feature representation on the whole data space, which means treating all features equally. However, a subspace is often sufficient for accurate representation in practical…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Junhang Li , Jiao Wei , Can Tong , Tingting Shen , Yuchen Liu , Chen Li , Shouliang Qi , Yudong Yao , Yueyang Teng

We present a palette-based framework for color composition for visual applications. Color composition is a critical aspect of visual applications in art, design, and visualization. The color wheel is often used to explain pleasing color…

Graphics · Computer Science 2018-06-22 Jianchao Tan , Jose Echevarria , Yotam Gingold