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Pixel-level Scene Understanding is one of the fundamental problems in computer vision, which aims at recognizing object classes, masks and semantics of each pixel in the given image. Compared with image scene parsing, video scene parsing…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Biao Wu , Diankai Zhang , Si Gao , Chengjian Zheng , Shaoli Liu , Ning Wang

This paper introduces a novel unsupervised approach for image deblurring that utilizes a simple process for training data collection, thereby enhancing the applicability and effectiveness of deblurring methods. Our technique does not…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Bang-Dang Pham , Anh Tran , Cuong Pham , Minh Hoai

Inspired by the classic Sauvola local image thresholding approach, we systematically study it from the deep neural network (DNN) perspective and propose a new solution called SauvolaNet for degraded document binarization (DDB). It is…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Deng Li , Yue Wu , Yicong Zhou

Self-supervised learning has shown great potentials in improving the video representation ability of deep neural networks by getting supervision from the data itself. However, some of the current methods tend to cheat from the background,…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Jinpeng Wang , Yuting Gao , Ke Li , Yiqi Lin , Andy J. Ma , Hao Cheng , Pai Peng , Feiyue Huang , Rongrong Ji , Xing Sun

This work presents an unsupervised and semi-automatic image segmentation approach where we formulate the segmentation as a inference problem based on unary and pairwise assignment probabilities computed using low-level image cues. The…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Ayelet Heimowitz , Yosi Keller

Change detection plays an important role in most video-based applications. The first stage is to build appropriate background model, which is now becoming increasingly complex as more sophisticated statistical approaches are introduced to…

计算机视觉与模式识别 · 计算机科学 2014-05-27 Dong Liang , Shun'ichi Kaneko

Unbiased confidence estimates of neural networks are crucial especially for safety-critical applications. Many methods have been developed to calibrate biased confidence estimates. Though there is a variety of methods for classification,…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Fabian Küppers , Jan Kronenberger , Amirhossein Shantia , Anselm Haselhoff

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…

计算机视觉与模式识别 · 计算机科学 2020-03-18 Marco Forte , François Pitié

Change detection in heterogeneous multitemporal satellite images is an emerging and challenging topic in remote sensing. In particular, one of the main challenges is to tackle the problem in an unsupervised manner. In this paper we propose…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Luigi T. Luppino , Filippo M. Bianchi , Gabriele Moser , Stian N. Anfinsen

Background subtraction is a fundamental task in computer vision with numerous real-world applications, ranging from object tracking to video surveillance. Dynamic backgrounds poses a significant challenge here. Supervised deep…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Fateme Bahri , Nilanjan Ray

Background modeling has emerged as a popular foreground detection technique for various applications in video surveillance. Background modeling methods have become increasing efficient in robustly modeling the background and hence detecting…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Thierry Bouwmans , Caroline Silva , Cristina Marghes , Mohammed Sami Zitouni , Harish Bhaskar , Carl Frelicot

This paper presents a novel unsupervised probabilistic model estimation of visual background in video sequences using a variational autoencoder framework. Due to the redundant nature of the backgrounds in surveillance videos, visual…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Amirreza Farnoosh , Behnaz Rezaei , Sarah Ostadabbas

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Fatemehsadat Saleh , Mohammad Sadegh Ali Akbarian , Mathieu Salzmann , Lars Petersson , Stephen Gould , Jose M. Alvarez

Reflection is common in images capturing scenes behind a glass window, which is not only a disturbance visually but also influence the performance of other computer vision algorithms. Single image reflection removal is an ill-posed problem…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yunfei Liu , Yu Li , Shaodi You , Feng Lu

This paper presents a novel framework in which video/image segmentation and localization are cast into a single optimization problem that integrates information from low level appearance cues with that of high level localization cues in a…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Abhishek Sharma

Given a set of images of a scene taken at different times, the availability of an initial background model that describes the scene without foreground objects is the prerequisite for a wide range of applications, ranging from video…

计算机视觉与模式识别 · 计算机科学 2015-06-15 Lucia Maddalena , Alfredo Petrosino

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

We present in this article the use of probabilistic background constraints in astronomical image deconvolution to approach to a solution as an interval estimate. We elaborate our objective -- the interval estimate of the unknown object from…

天体物理仪器与方法 · 物理学 2015-06-12 Zhuo-xi Huo , Jian-feng Zhou

While image segmentation is crucial in various computer vision applications, such as autonomous driving, grasping, and robot navigation, annotating all objects at the pixel-level for training is nearly impossible. Therefore, the study of…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Cuong Manh Hoang , Byeongkeun Kang

Priors are essential for reconstructing images from noisy and/or incomplete measurements. The choice of the prior determines both the quality and uncertainty of recovered images. We propose turning score-based diffusion models into…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Berthy T. Feng , Jamie Smith , Michael Rubinstein , Huiwen Chang , Katherine L. Bouman , William T. Freeman