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The data storage has been one of the bottlenecks in surveillance systems. The conventional video compression algorithms such as H.264 and H.265 do not fully utilize the low information density characteristic of the surveillance video. In…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Lirong Wu , Kejie Huang , Haibin Shen , Lianli Gao

We focus on the real-world problem of training accurate deep models for image classification of a small number of rare categories. In these scenarios, almost all images belong to the background category in the dataset (>95% of the dataset…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Ravi Teja Mullapudi , Fait Poms , William R. Mark , Deva Ramanan , Kayvon Fatahalian

We present in this article a new evaluation method for classification and segmentation of textured images in uncertain environments. In uncertain environments, real classes and boundaries are known with only a partial certainty given by the…

Artificial Intelligence · Computer Science 2008-12-18 Arnaud Martin

Foreground detection has been widely studied for decades due to its importance in many practical applications. Most of the existing methods assume foreground and background show visually distinct characteristics and thus the foreground can…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Shuai Li , Dinei Florencio , Yaqin Zhao , Chris Cook , Wanqing Li

Background subtraction is a fundamental pre-processing task in computer vision. This task becomes challenging in real scenarios due to variations in the background for both static and moving camera sequences. Several deep learning methods…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Jhony H. Giraldo , Thierry Bouwmans

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

This paper investigates the principles of embedding learning to tackle the challenging semi-supervised video object segmentation. Different from previous practices that only explore the embedding learning using pixels from foreground object…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Zongxin Yang , Yunchao Wei , Yi Yang

Image harmonization task aims at harmonizing different composite foreground regions according to specific background image. Previous methods would rather focus on improving the reconstruction ability of the generator by some internal…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Jingtang Liang , Chi-Man Pun

Image harmonization aims at adjusting the appearance of the foreground to make it more compatible with the background. Without exploring background illumination and its effects on the foreground elements, existing works are incapable of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Zhongyun Hu , Ntumba Elie Nsampi , Xue Wang , Qing Wang

Common approaches to explainable AI (XAI) for deep learning focus on analyzing the importance of input features on the classification task in a given model: saliency methods like SHAP and GradCAM are used to measure the impact of spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Anne Sielemann , Valentin Barner , Stefan Wolf , Masoud Roschani , Jens Ziehn , Juergen Beyerer

Unsupervised transfer learning-based change detection methods exploit the feature extraction capability of pre-trained networks to distinguish changed pixels from the unchanged ones. However, their performance may vary significantly…

Image and Video Processing · Electrical Eng. & Systems 2024-05-17 Sudipan Saha

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Kumar S. Ray , Soma Chakraborty

We propose a novel unsupervised image segmentation algorithm, which aims to segment an image into several coherent parts. It requires no user input, no supervised learning phase and assumes an unknown number of segments. It achieves this by…

Computer Vision and Pattern Recognition · Computer Science 2016-03-09 Aleksandar Dimitriev , Matej Kristan

Detecting road obstacles is essential for autonomous vehicles to navigate dynamic and complex traffic environments safely. Current road obstacle detection methods typically assign a score to each pixel and apply a threshold to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Youssef Shoeb , Nazir Nayal , Azarm Nowzad , Fatma Güney , Hanno Gottschalk

The problem of foreground material signature extraction in an intimate (nonlinear) mixing setting is considered. It is possible for a foreground material signature to appear in combination with multiple background material signatures. We…

Signal Processing · Electrical Eng. & Systems 2023-03-22 Jarrod Hollis , Raviv Raich , Jinsub Kim , Barak Fishbain , Shai Kendler

Image processing and recognition are an important part of the modern society, with applications in fields such as advanced artificial intelligence, smart assistants, and security surveillance. The essential first step involved in almost all…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Min Chen , Andy Song , Shivanthan A. C. Yhanandan , Jing Zhang

We propose a method that robustly exploits background and foreground in visual identification of individual animals. Experiments show that their automatic separation, made easy with methods like Segment Anything, together with independent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Lukas Picek , Lukas Neumann , Jiri Matas

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…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Bruno Sauvalle , Arnaud de La Fortelle

This work presents a new robust PCA method for foreground-background separation on freely moving camera video with possible dense and sparse corruptions. Our proposed method registers the frames of the corrupted video and then encodes the…

Machine Learning · Statistics 2019-01-07 Brian E. Moore , Chen Gao , Raj Rao Nadakuditi

This paper proposes a foreground-background separation (FBS) method with a novel foreground model based on convolutional sparse representation (CSR). In order to analyze the dynamic and static components of videos acquired under undesirable…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Kazuki Naganuma , Shunsuke Ono