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Natural image matting aims to estimate the alpha matte of the foreground from a given image. Various approaches have been explored to address this problem, such as interactive matting methods that use guidance such as click or trimap, and…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Qinglin Liu , Xiaoqian Lv , Wei Yu , Changyong Guo , Shengping Zhang

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

Image matting is a fundamental computer vision problem and has many applications. Previous algorithms have poor performance when an image has similar foreground and background colors or complicated textures. The main reasons are prior…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Ning Xu , Brian Price , Scott Cohen , Thomas Huang

Cutting out an object and estimating its opacity mask, known as image matting, is a key task in many image editing applications. Deep learning approaches have made significant progress by adapting the encoder-decoder architecture of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Marco Forte , François Pitié

Traditional neural network-driven inpainting methods struggle to deliver high-quality results within the constraints of mobile device processing power and memory. Our research introduces an innovative approach to optimize memory usage by…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Hoyoung Kim , Azimbek Khudoyberdiev , Seonghwan Jeong , Jihoon Ryoo

Action recognition is a key problem in computer vision that labels videos with a set of predefined actions. Capturing both, semantic content and motion, along the video frames is key to achieve high accuracy performance on this task. Most…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Xia Huang , Hossein Mousavi , Gemma Roig

In this paper, we are interested in self-supervised learning the motion cues in videos using dynamic motion filters for a better motion representation to finally boost human action recognition in particular. Thus far, the vision community…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Ali Diba , Vivek Sharma , Luc Van Gool , Rainer Stiefelhagen

Video inpainting aims to restore missing regions of a video and has many applications such as video editing and object removal. However, existing methods either suffer from inaccurate short-term context aggregation or rarely explore…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Ang Li , Shanshan Zhao , Xingjun Ma , Mingming Gong , Jianzhong Qi , Rui Zhang , Dacheng Tao , Ramamohanarao Kotagiri

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…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Subarna Tripathi , Zachary C. Lipton , Serge Belongie , Truong Nguyen

Natural image matting separates the foreground from background in fractional occupancy which can be caused by highly transparent objects, complex foreground (e.g., net or tree), and/or objects containing very fine details (e.g., hairs).…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Yanan Sun , Chi-Keung Tang , Yu-Wing Tai

Future frame prediction in videos is a challenging problem because videos include complicated movements and large appearance changes. Learning-based future frame prediction approaches have been proposed in kinds of literature. A common…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Wonjik Kim , Masayuki Tanaka , Masatoshi Okutomi , Yoko Sasaki

Interactive portrait matting refers to extracting the soft portrait from a given image that best meets the user's intent through their inputs. Existing methods often underperform in complex scenarios, mainly due to three factors. (1) Most…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Siyi Jiao , Wenzheng Zeng , Changxin Gao , Nong Sang

Human matting refers to extracting human parts from natural images with high quality, including human detail information such as hair, glasses, hat, etc. This technology plays an essential role in image synthesis and visual effects in the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Qing Song , Wenfeng Sun , Donghan Yang , Mengjie Hu , Chun Liu

Interactive applications demand believable characters that respond naturally to dynamic environments. Traditional character animation techniques often struggle to handle arbitrary situations, leading to a growing trend of dynamically…

Graphics · Computer Science 2025-10-28 Jose Luis Ponton , Sheldon Andrews , Carlos Andujar , Nuria Pelechano

Interactive autonomous applications require robustness of the perception engine to artifacts in unconstrained videos. In this paper, we examine the effect of camera motion on the task of action detection. We develop a novel ranking method…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Burhan A. Mudassar , Sho Ko , Maojingjing Li , Priyabrata Saha , Saibal Mukhopadhyay

Recently, plain vision Transformers (ViTs) have shown impressive performance on various computer vision tasks, thanks to their strong modeling capacity and large-scale pretraining. However, they have not yet conquered the problem of image…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Jingfeng Yao , Xinggang Wang , Shusheng Yang , Baoyuan Wang

We study the problem of synthesizing a number of likely future frames from a single input image. In contrast to traditional methods that have tackled this problem in a deterministic or non-parametric way, we propose to model future frames…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Tianfan Xue , Jiajun Wu , Katherine L. Bouman , William T. Freeman

Action recognition is an open and challenging problem in computer vision. While current state-of-the-art models offer excellent recognition results, their computational expense limits their impact for many real-world applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Yue Meng , Chung-Ching Lin , Rameswar Panda , Prasanna Sattigeri , Leonid Karlinsky , Aude Oliva , Kate Saenko , Rogerio Feris

Automatic image matting (AIM) refers to estimating the soft foreground from an arbitrary natural image without any auxiliary input like trimap, which is useful for image editing. Prior methods try to learn semantic features to aid the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Jizhizi Li , Jing Zhang , Dacheng Tao

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