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Related papers: Patch alignment manifold matting

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An important step of many image editing tasks is to extract specific objects from an image in order to place them in a scene of a movie or compose them onto another background. Alpha matting describes the problem of separating the objects…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Thomas Germer , Tobias Uelwer , Stefan Conrad , Stefan Harmeling

We present a novel, purely affinity-based natural image matting algorithm. Our method relies on carefully defined pixel-to-pixel connections that enable effective use of information available in the image. We control the information flow…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Yağız Aksoy , Tunç Ozan Aydın , Marc Pollefeys

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

We introduce in-context matting, a novel task setting of image matting. Given a reference image of a certain foreground and guided priors such as points, scribbles, and masks, in-context matting enables automatic alpha estimation on a batch…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 He Guo , Zixuan Ye , Zhiguo Cao , Hao Lu

Over the last few years, deep learning based approaches have achieved outstanding improvements in natural image matting. Many of these methods can generate visually plausible alpha estimations, but typically yield blurry structures or…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Yaoyi Li , Hongtao Lu

Image learning and colorization are hot spots in multimedia domain. Inspired by the learning capability of humans, in this paper, we propose an automatic colorization method with a learning framework. This method can be viewed as a hybrid…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Zhenfeng Xue , Jiandang Yang , Jie Ren , Yong Liu

Image matting refers to the estimation of the opacity of foreground objects. It requires correct contours and fine details of foreground objects for the matting results. To better accomplish human image matting tasks, we propose the Cascade…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Zijian Yu , Xuhui Li , Huijuan Huang , Wen Zheng , Li Chen

This study proposes a framework for manifold learning of image patches using the concept of equivalence classes: manifold modeling in quotient space (MMQS). In MMQS, we do not consider a set of local patches of the image as it is, but…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Tatsuya Yokota , Hidekata Hontani

Image matting requires high-quality pixel-level human annotations to support the training of a deep model in recent literature. Whereas such annotation is costly and hard to scale, significantly holding back the development of the research.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yanda Li , Zilong Huang , Gang Yu , Ling Chen , Yunchao Wei , Jianbo Jiao

Image matting is a longstanding problem in computational photography. Although, it has been studied for more than two decades, yet there is a challenge of developing an automatic matting algorithm which does not require any human efforts.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Vikas Gupta , Shanmuganathan Raman

In this paper, we propose the Matting Anything Model (MAM), an efficient and versatile framework for estimating the alpha matte of any instance in an image with flexible and interactive visual or linguistic user prompt guidance. MAM offers…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Jiachen Li , Jitesh Jain , Humphrey Shi

Natural image matting is a fundamental and challenging computer vision task. Conventionally, the problem is formulated as an underconstrained problem. Since the problem is ill-posed, further assumptions on the data distribution are required…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Rui Wang , Jun Xie , Jiacheng Han , Dezhen Qi

The current state of the art alpha matting methods mainly rely on the trimap as the secondary and only guidance to estimate alpha. This paper investigates the effects of utilising the background information as well as trimap in the process…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Hossein Javidnia , François Pitié

Recognising and locating image patches or sets of image features is an important task underlying much work in computer vision. Traditionally this has been accomplished using template matching. However, template matching is notoriously…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 M. W. Spratling

Image inpaiting is an important task in image processing and vision. In this paper, we develop a general method for patch-based image inpainting by synthesizing new textures from existing one. A novel framework is introduced to find several…

Computer Vision and Pattern Recognition · Computer Science 2016-05-06 Tao Zhou , Brian Johnson , Rui Li

Real-world image matting is essential for applications in content creation and augmented reality. However, it remains challenging due to the complex nature of scenes and the scarcity of high-quality datasets. To address these limitations,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Rui Liu

It is challenging to align multi-exposed images due to large illumination variations, especially in presence of saturated regions. In this paper, a novel image alignment algorithm is proposed to cope with the multi-exposed images with…

Image and Video Processing · Electrical Eng. & Systems 2020-12-22 Jun Jiang , Zhengguo Li , Shoulie Xie , Shiqian Wu , Liangcai Zeng

Human instance matting aims to estimate an alpha matte for each human instance in an image, which is challenging as it easily fails in complex cases requiring disentangling mingled pixels belonging to multiple instances along hairy and thin…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Siyi Jiao , Wenzheng Zeng , Yerong Li , Huayu Zhang , Changxin Gao , Nong Sang , Mike Zheng Shou

Natural image matting, which separates foreground from background, is a very important intermediate step in recent computer vision algorithms. However, it is severely underconstrained and difficult to solve. State-of-the-art approaches…

Computer Vision and Pattern Recognition · Computer Science 2014-04-16 Philip G. Lee , Ying Wu

In the portrait matting, the goal is to predict an alpha matte that identifies the effect of each pixel on the foreground subject. Traditional approaches and most of the existing works utilized an additional input, e.g., trimap, background…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Dogucan Yaman , Hazım Kemal Ekenel , Alexander Waibel