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Related papers: Hierarchical Opacity Propagation for Image Matting

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Given a graph where every node has certain attributes associated with it and some nodes have labels associated with them, Collective Classification (CC) is the task of assigning labels to every unlabeled node using information from the node…

Machine Learning · Computer Science 2018-11-14 Priyesh Vijayan , Yash Chandak , Mitesh M. Khapra , Srinivasan Parthasarathy , Balaraman Ravindran

Image matting refers to extracting precise alpha matte from natural images, and it plays a critical role in various downstream applications, such as image editing. Despite being an ill-posed problem, traditional methods have been trying to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Jizhizi Li , Jing Zhang , Dacheng Tao

Image matting is a key technique for image and video editing and composition. Conventionally, deep learning approaches take the whole input image and an associated trimap to infer the alpha matte using convolutional neural networks. Such…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Haichao Yu , Ning Xu , Zilong Huang , Yuqian Zhou , Humphrey Shi

Enhancing visual qualities for underexposed images is an extensively concerned task that plays important roles in various areas of multimedia and computer vision. Most existing methods often fail to generate high-quality results with…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Risheng Liu , Long Ma , Yuxi Zhang , Xin Fan , Zhongxuan Luo

This paper reviews recent deep-learning-based matting research and conceives our wider and higher motivation for image matting. Many approaches achieve alpha mattes with complex encoders to extract robust semantics, then resort to the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yu Qiao , Ziqi Wei , Yuhao Liu , Yuxin Wang , Dongsheng Zhou , Qiang Zhang , Xin Yang

In this paper, we address a problem of managing tagged images with hybrid summarization. We formulate this problem as finding a few image exemplars to represent the image set semantically and visually, and solve it in a hybrid way by…

Computer Vision and Pattern Recognition · Computer Science 2013-07-31 Jingdong Wang , Hao Xu , Xian-Sheng Hua , Shipeng Li

Understanding, reasoning, and manipulating semantic concepts of images have been a fundamental research problem for decades. Previous work mainly focused on direct manipulation on natural image manifold through color strokes, key-points,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Seunghoon Hong , Xinchen Yan , Thomas Huang , Honglak Lee

It is always well believed that parsing an image into constituent visual patterns would be helpful for understanding and representing an image. Nevertheless, there has not been evidence in support of the idea on describing an image with a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Ting Yao , Yingwei Pan , Yehao Li , Tao Mei

Texture mapping as a fundamental task in 3D modeling has been well established for well-acquired aerial assets under consistent illumination, yet it remains a challenge when it is scaled to large datasets with images under varying views and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Xiao ling , Rongjun Qin

Unsupervised object discovery and localization aims to detect or segment objects in an image without any supervision. Recent efforts have demonstrated a notable potential to identify salient foreground objects by utilizing self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Xin Zhang , Jinheng Xie , Yuan Yuan , Michael Bi Mi , Robby T. Tan

Despite the recent successes of multi-agent reinforcement learning (MARL) algorithms, efficiently adapting to co-players in mixed-motive environments remains a significant challenge. One feasible approach is to hierarchically model…

Artificial Intelligence · Computer Science 2024-07-15 Yizhe Huang , Anji Liu , Fanqi Kong , Yaodong Yang , Song-Chun Zhu , Xue Feng

Most recent diffusion-based methods still show a large gap compared to non-diffusion methods for video frame interpolation, in both accuracy and efficiency. Most of them formulate the problem as a denoising procedure in latent space…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yang Hai , Guo Wang , Tan Su , Wenjie Jiang , Yinlin Hu

In this paper, we explore a novel image matting task aimed at achieving efficient inference under various computational cost constraints, specifically FLOP limitations, using a single matting network. Existing matting methods which have not…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Qinglin Liu , Zonglin Li , Xiaoqian Lv , Xin Sun , Ru Li , Shengping Zhang

We propose a method that leverages graph neural networks, multi-level message passing, and unsupervised training to enable real-time prediction of realistic clothing dynamics. Whereas existing methods based on linear blend skinning must be…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Artur Grigorev , Bernhard Thomaszewski , Michael J. Black , Otmar Hilliges

In natural image matting, the goal is to estimate the opacity of the foreground object in the image. This opacity controls the way the foreground and background is blended in transparent regions. In recent years, advances in deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Sebastian Lutz , Aljosa Smolic

Image matting is an ill-posed problem that aims to estimate the opacity of foreground pixels in an image. However, most existing deep learning-based methods still suffer from the coarse-grained details. In general, these algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Yuhao Liu , Jiake Xie , Yu Qiao , Yong Tang and , Xin Yang

This paper presents a novel method designed to enhance the efficiency and accuracy of both image retrieval and pixel retrieval. Traditional diffusion methods struggle to propagate spatial information effectively in conventional graphs due…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Guoyuan An , Yuchi Huo , Sung-Eui Yoon

Human-object interaction (HOI) detection often faces high levels of ambiguity and indeterminacy, as the same interaction can appear vastly different across different human-object pairs. Additionally, the indeterminacy can be further…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xiaofei Hui , Haoxuan Qu , Hossein Rahmani , Jun Liu

We present a novel approach of color transfer between images by exploring their high-level semantic information. First, we set up a database which consists of the collection of downloaded images from the internet, which are segmented…

Computer Vision and Pattern Recognition · Computer Science 2016-12-30 Asad Khan , Muhammad Ahmad , Yudong Guo , Ligang Liu

Increasing production and exchange of multimedia content has increased the need for better protection of copyright by means of watermarking. Different methods have been proposed to satisfy the tradeoff between imperceptibility and…

Multimedia · Computer Science 2017-09-12 Majid Mohrekesh , Shekoofeh Azizi , Shahram Shirani , Nader Karimi , Shadrokh Samavi