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Obtained by moving object detection, the foreground mask result is unshaped and can not be directly used in most subsequent processes. In this paper, we focus on this problem and address it by constructing an optical flow based moving…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Junjie Huang , Wei Zou , Zheng Zhu , Jiagang Zhu

Learning to recognize pedestrian attributes at far distance is a challenging problem in visual surveillance since face and body close-shots are hardly available; instead, only far-view image frames of pedestrian are given. In this study, we…

计算机视觉与模式识别 · 计算机科学 2015-04-30 Yubin Deng , Ping Luo , Chen Change Loy , Xiaoou Tang

Even after decades of research, dynamic scene background reconstruction and foreground object segmentation are still considered as open problems due various challenges such as illumination changes, camera movements, or background noise…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Bruno Sauvalle , Arnaud de La Fortelle

Background modeling is widely used for intelligent surveillance systems to detect moving targets by subtracting the static background components. Most roadside LiDAR object detection methods filter out foreground points by comparing new…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Tianya Zhang , Yi Ge , Peter J. Jin

Wearable cameras stand out as one of the most promising devices for the upcoming years, and as a consequence, the demand of computer algorithms to automatically understand the videos recorded with them is increasing quickly. An automatic…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Alejandro Betancourt , Natalia Díaz-Rodríguez , Emilia Barakova , Lucio Marcenaro , Matthias Rauterberg , Carlo Regazzoni

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

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

计算机视觉与模式识别 · 计算机科学 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

Texture is the term used to characterize the surface of a given object or phenomenon and is an important feature used in image processing and pattern recognition. Our aim is to compare various Texture analyzing methods and compare the…

计算机视觉与模式识别 · 计算机科学 2012-10-30 Pooja Maknikar

Unsupervised learning poses one of the most difficult challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large quantities of unlabeled…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

Pedestrian detection methods have been significantly improved with the development of deep convolutional neural networks. Nevertheless, robustly detecting pedestrians with a large variant on sizes and with occlusions remains a challenging…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Tianrui Liu , Jun-Jie Huang , Tianhong Dai , Guangyu Ren , Tania Stathaki

Active perception and foveal vision are the foundations of the human visual system. While foveal vision reduces the amount of information to process during a gaze fixation, active perception will change the gaze direction to the most…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Alexandre M. F. Dias , Luís Simões , Plinio Moreno , Alexandre Bernardino

We present Context Forest (ConF), a technique for predicting properties of the objects in an image based on its global appearance. Compared to standard nearest-neighbour techniques, ConF is more accurate, fast and memory efficient. We train…

计算机视觉与模式识别 · 计算机科学 2015-03-04 Davide Modolo , Alexander Vezhnevets , Vittorio Ferrari

In light of the success of contrastive learning in the image domain, current self-supervised video representation learning methods usually employ contrastive loss to facilitate video representation learning. When naively pulling two…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Shuangrui Ding , Maomao Li , Tianyu Yang , Rui Qian , Haohang Xu , Qingyi Chen , Jue Wang , Hongkai Xiong

We present a generative model of images based on layering, in which image layers are individually generated, then composited from front to back. We are thus able to factor the appearance of an image into the appearance of individual objects…

机器学习 · 计算机科学 2016-02-17 Jonathan Huang , Kevin Murphy

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and matching process. In…

计算机视觉与模式识别 · 计算机科学 2014-02-03 V. Karthikeyan , Manjupriya , C. K. Chithra , M. Divya

Treating images as data has become increasingly popular in political science. While existing classifiers for images reach high levels of accuracy, it is difficult to systematically assess the visual features on which they base their…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Stefan Scholz , Nils B. Weidmann , Zachary C. Steinert-Threlkeld , Eda Keremoğlu , Bastian Goldlücke

Concealed object detection (COD) in cluttered scenes is significant for various image processing applications. However, due to that concealed objects are always similar to their background, it is extremely hard to distinguish them. Here,…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yuhan Kang , Qingpeng Li , Leyuan Fang , Jian Zhao , Xuelong Li

Alpha matting aims to estimate the translucency of an object in a given image. The resulting alpha matte describes pixel-wise to what amount foreground and background colors contribute to the color of the composite image. While most methods…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Thomas Germer , Tobias Uelwer , Stefan Conrad , Stefan Harmeling

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

The segmentation of video sequences into foreground and background regions is a low-level process commonly used in video content analysis and smart surveillance applications. Using a multispectral camera setup can improve this process by…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Pierre-Luc St-Charles , Guillaume-Alexandre Bilodeau , Robert Bergevin