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Video object segmentation is challenging yet important in a wide variety of applications for video analysis. Recent works formulate video object segmentation as a prediction task using deep nets to achieve appealing state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Despite the rapid advancement of unsupervised learning in visual representation, it requires training on large-scale datasets that demand costly data collection, and pose additional challenges due to concerns regarding data privacy.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 David Junhao Zhang , Mutian Xu , Chuhui Xue , Wenqing Zhang , Xiaoguang Han , Song Bai , Mike Zheng Shou

Auxiliary-free human video matting methods, which rely solely on input frames, often struggle with complex or ambiguous backgrounds. To address this, we propose MatAnyone, a robust framework tailored for target-assigned video matting.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Peiqing Yang , Shangchen Zhou , Jixin Zhao , Qingyi Tao , Chen Change Loy

Given a video and a set of input object masks, an omnimatte method aims to decompose the video into semantically meaningful layers containing individual objects along with their associated effects, such as shadows and reflections. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yao-Chih Lee , Erika Lu , Sarah Rumbley , Michal Geyer , Jia-Bin Huang , Tali Dekel , Forrester Cole

Many videos contain flickering artifacts. Common causes of flicker include video processing algorithms, video generation algorithms, and capturing videos under specific situations. Prior work usually requires specific guidance such as the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Chenyang Lei , Xuanchi Ren , Zhaoxiang Zhang , Qifeng Chen

Large vision-language models (VLMs) have advanced multimodal tasks such as video question answering (QA). However, VLMs face the challenge of selecting frames effectively and efficiently, as standard uniform sampling is expensive and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Martin Q. Ma , Willis Guo , Aditya Agrawal , Ankit Gupta , Paul Pu Liang , Ruslan Salakhutdinov , Louis-Philippe Morency

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Xuanchi Ren , Zian Qian , Qifeng Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Haozhi Huang , Senzhe Xu , Junxiong Cai , Wei Liu , Shimin Hu

We propose an automatic video inpainting algorithm which relies on the optimisation of a global, patch-based functional. Our algorithm is able to deal with a variety of challenging situations which naturally arise in video inpainting, such…

Computer Vision and Pattern Recognition · Computer Science 2017-12-08 Alasdair Newson , Andrés Almansa , Matthieu Fradet , Yann Gousseau , Patrick Pérez

True video understanding requires making sense of non-lambertian scenes where the color of light arriving at the camera sensor encodes information about not just the last object it collided with, but about multiple mediums -- colored…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Jean-Baptiste Alayrac , João Carreira , Andrew Zisserman

A motion-blurred image is the temporal average of multiple sharp frames over the exposure time. Recovering these sharp video frames from a single blurred image is nontrivial, due to not only its strong ill-posedness, but also various types…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Daoyu Li , Liheng Bian , Jun Zhang

Image matting is an ill-posed problem that usually requires additional user input, such as trimaps or scribbles. Drawing a fne trimap requires a large amount of user effort, while using scribbles can hardly obtain satisfactory alpha mattes…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Xin Yang , Yu Qiao , Shaozhe Chen , Shengfeng He , Baocai Yin , Qiang Zhang , Xiaopeng Wei , Rynson W. H. Lau

Image matting is an important computer vision problem. Many existing matting methods require a hand-made trimap to provide auxiliary information, which is very expensive and limits the real world usage. Recently, some trimap-free methods…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Hang Cheng , Shugong Xu , Xiufeng Jiang , Rongrong Wang

Video matting remains limited by the scale and realism of existing datasets. While leveraging segmentation data can enhance semantic stability, the lack of effective boundary supervision often leads to segmentation-like mattes lacking fine…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Peiqing Yang , Shangchen Zhou , Kai Hao , Qingyi Tao

Image matting is a long-standing problem in computer graphics and vision, mostly identified as the accurate estimation of the foreground in input images. We argue that the foreground objects can be represented by different-level…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Yu Qiao , Yuhao Liu , Qiang Zhu , Xin Yang , Yuxin Wang , Qiang Zhang , Xiaopeng Wei

We introduce Magenta Green Screen, a novel machine learning--enabled matting technique for recording the color image of a foreground actor and a simultaneous high-quality alpha channel without requiring a special camera or manual keying…

Graphics · Computer Science 2023-06-27 Dmitriy Smirnov , Chloe LeGendre , Xueming Yu , Paul Debevec

In this paper, we propose an image matting framework called Salient Image Matting to estimate the per-pixel opacity value of the most salient foreground in an image. To deal with a large amount of semantic diversity in images, a trimap is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Rahul Deora , Rishab Sharma , Dinesh Samuel Sathia Raj

There currently exist two main approaches to reproducing visual appearance using Machine Learning (ML): The first is training models that generalize over different instances of a problem, e.g., different images of a dataset. As one-shot…

Graphics · Computer Science 2022-09-29 Michael Fischer , Tobias Ritschel

Frame interpolation is an essential video processing technique that adjusts the temporal resolution of an image sequence. While deep learning has brought great improvements to the area of video frame interpolation, techniques that make use…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Simon Niklaus , Ping Hu , Jiawen Chen

The remastering of vintage film comprises of a diversity of sub-tasks including super-resolution, noise removal, and contrast enhancement which aim to restore the deteriorated film medium to its original state. Additionally, due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Satoshi Iizuka , Edgar Simo-Serra