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Related papers: BGM: Background Mixup for X-ray Prohibited Items D…

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Automatic X-ray prohibited item detection is vital for public safety. Existing deep learning-based methods all assume that the annotations of training X-ray images are correct. However, obtaining correct annotations is extremely hard if not…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Ruikang Chen , Yan Yan , Jing-Hao Xue , Yang Lu , Hanzi Wang

Detecting the positions of human hands and objects-in-contact (hand-object detection) in each video frame is vital for understanding human activities from videos. For training an object detector, a method called Mixup, which overlays two…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Koya Tango , Takehiko Ohkawa , Ryosuke Furuta , Yoichi Sato

Change detection (CD) is to decouple object changes (i.e., object missing or appearing) from background changes (i.e., environment variations) like light and season variations in two images captured in the same scene over a long time span,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Rui Huang , Ruofei Wang , Qing Guo , Jieda Wei , Yuxiang Zhang , Wei Fan , Yang Liu

Training prohibited item detection models requires a large amount of X-ray security images, but collecting and annotating these images is time-consuming and laborious. To address data insufficiency, X-ray security image synthesis methods…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Jialong Sun , Hongguang Zhu , Weizhe Liu , Yunda Sun , Renshuai Tao , Yunchao Wei

We proposed a new modeling method to promote the performance of prohibited items recognition via X-ray image. We analyzed the characteristics of prohibited items and X-ray images. We found the fact that the scales of some items are too…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Tianze Rong , Hongxiang Cai , Yichao Xiong

A core challenge in background subtraction (BGS) is handling videos with sudden illumination changes in consecutive frames. In this paper, we tackle the problem from a data point-of-view using data augmentation. Our method performs data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Dimitrios Sakkos , Hubert P. H. Shum , Edmond S. L. Ho

Matting with a static background, often referred to as ``Background Matting" (BGM), has garnered significant attention within the computer vision community due to its pivotal role in various practical applications like webcasting and photo…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hanxi Li , Guofeng Li , Bo Li , Lin Wu , Yan Cheng

When editing a video, a piece of attractive background music is indispensable. However, video background music generation tasks face several challenges, for example, the lack of suitable training datasets, and the difficulties in flexibly…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Sizhe Li , Yiming Qin , Minghang Zheng , Xin Jin , Yang Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Tianya Zhang , Yi Ge , Peter J. Jin

Recent innovations in x-ray technology (namely phase-based and energy-resolved imaging) offer unprecedented opportunities for material discrimination, however they are often used in isolation or in limited combinations. Here we show that…

Detecting transparent objects in natural scenes is challenging due to the low contrast in texture, brightness and colors. Recent deep-learning-based works reveal that it is effective to leverage boundaries for transparent object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Yang Cao , Zhengqiang Zhang , Enze Xie , Qibin Hou , Kai Zhao , Xiangui Luo , Jian Tuo

Automated detection of contraband items in X-ray images can significantly increase public safety, by enhancing the productivity and alleviating the mental load of security officers in airports, subways, customs/post offices, etc. The large…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Georgios Batsis , Ioannis Mademlis , Georgios Th. Papadopoulos

Visual surveillance aims to stably detect a foreground object using a continuous image acquired from a fixed camera. Recent deep learning methods based on supervised learning show superior performance compared to classical background…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Jae-Yeul Kim , Jong-Eun Ha

Detection of moving objects in videos is a crucial step towards successful surveillance and monitoring applications. A key component for such tasks is called background subtraction and tries to extract regions of interest from the image…

Computer Vision and Pattern Recognition · Computer Science 2017-10-30 Konstantinos Makantasis , Antonis Nikitakis , Anastasios Doulamis , Nikolaos Doulamis , Yannis Papaefstathiou

Background Remover (BGR) is a novel software tool developed as a plugin to the well-known ImageJ program and designed to address the challenges of analysing fluorescent microscopy images characterized by low signal-to-noise ratios and…

Instrumentation and Detectors · Physics 2026-04-29 Anna Kilian , Paweł Bilski , Małgorzata Sankowska

Traditional cosmic ray filtering algorithms used in X-ray imaging detectors aboard space telescopes perform event reconstruction based on the properties of activated pixels above a certain energy threshold, within 3x3 or 5x5 pixel sliding…

Prohibited items detection in X-ray images often plays an important role in protecting public safety, which often deals with color-monotonous and luster-insufficient objects, resulting in unsatisfactory performance. Till now, there have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Renshuai Tao , Yanlu Wei , Xiangjian Jiang , Hainan Li , Haotong Qin , Jiakai Wang , Yuqing Ma , Libo Zhang , Xianglong Liu

Detecting prohibited items in X-ray security imagery is pivotal in maintaining border and transport security against a wide range of threat profiles. Convolutional Neural Networks (CNN) with the support of a significant volume of data have…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Neelanjan Bhowmik , Qian Wang , Yona Falinie A. Gaus , Marcin Szarek , Toby P. Breckon

The three areas of realistic forward rendering, per-pixel inverse rendering, and generative image synthesis may seem like separate and unrelated sub-fields of graphics and vision. However, recent work has demonstrated improved estimation of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Zheng Zeng , Valentin Deschaintre , Iliyan Georgiev , Yannick Hold-Geoffroy , Yiwei Hu , Fujun Luan , Ling-Qi Yan , Miloš Hašan

Context: Astronomical imaging aims to maximize signal capture while minimizing noise. Enhancing the signal-to-noise ratio directly on detectors is difficult and expensive, leading to extensive research in advanced post-processing…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Rodney Nicolaas , Sascha Caron , Fiorenzo Stoppa , Saptashwa Bhattacharyya , Roberto Ruiz de Austri , Paul J. Groot , Andrew J. Levan
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