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Related papers: Occluded Prohibited Items Detection: an X-ray Secu…

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Security inspection is X-ray scanning for personal belongings in suitcases, which is significantly important for the public security but highly time-consuming for human inspectors. Fortunately, deep learning has greatly promoted the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Renshuai Tao , Yanlu Wei , Hainan Li , Aishan Liu , Yifu Ding , Haotong Qin , Xianglong Liu

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

Instance segmentation of prohibited items in security X-ray images is a critical yet challenging task. This is mainly caused by the significant appearance gap between prohibited items in X-ray images and natural objects, as well as the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Yunhan Ren , Ruihuang Li , Lingbo Liu , Changwen Chen

Automatic security inspection using computer vision technology is a challenging task in real-world scenarios due to various factors, including intra-class variance, class imbalance, and occlusion. Most of the previous methods rarely solve…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Boying Wang , Libo Zhang , Longyin Wen , Xianglong Liu , Yanjun Wu

Prohibited item detection in X-ray images is one of the most essential and highly effective methods widely employed in various security inspection scenarios. Considering the significant overlapping phenomenon in X-ray prohibited item…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Mingyuan Li , Tong Jia , Hao Wang , Bowen Ma , Shuyang Lin , Da Cai , Dongyue Chen

Multi-Object Tracking (MOT) is a crucial computer vision task that aims to predict the bounding boxes and identities of objects simultaneously. While state-of-the-art methods have made remarkable progress by jointly optimizing the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Yukun Su , Ruizhou Sun , Xin Shu , Yu Zhang , Qingyao Wu

The Joint Detection and Embedding (JDE) framework has achieved remarkable progress for multiple object tracking. Existing methods often employ extracted embeddings to re-establish associations between new detections and previously disrupted…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Yaoqi Hu , Axi Niu , Yu Zhu , Qingsen Yan , Jinqiu Sun , Yanning Zhang

Automated X-ray inspection is crucial for efficient and unobtrusive security screening in various public settings. However, challenges such as object occlusion, variations in the physical properties of items, diversity in X-ray scanning…

Multi-object tracking (MOT) involves analyzing object trajectories and counting the number of objects in video sequences. However, 2D MOT faces challenges due to positional cost confusion arising from partial occlusion. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Chunjiang Li , Jianbo Ma , Li Shen , Yanru Chen , Liangyin Chen

X-ray prohibited item detection is an essential component of security check and categories of prohibited item are continuously increasing in accordance with the latest laws. Previous works all focus on close-set scenarios, which can only…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Shuyang Lin , Tong Jia , Hao Wang , Bowen Ma , Mingyuan Li , Dongyue Chen

Automatic security inspection relying on computer vision technology is a challenging task in real-world scenarios due to many factors, such as intra-class variance, class imbalance, and occlusion. Most previous methods rarely touch the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Libo Zhang , Lutao Jiang , Ruyi Ji , Heng Fan

In this paper, we present a large-scale dataset and establish a baseline for prohibited item discovery in Security Inspection X-ray images. Our dataset, named SIXray, consists of 1,059,231 X-ray images, in which 6 classes of 8,929…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Caijing Miao , Lingxi Xie , Fang Wan , Chi Su , Hongye Liu , Jianbin Jiao , Qixiang Ye

Object occlusion boundary detection is a fundamental and crucial research problem in computer vision. This is challenging to solve as encountering the extreme boundary/non-boundary class imbalance during training an object occlusion…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Guoxia Wang , Xiaohui Liang , Frederick W. B. Li

Occlusion poses a major challenge for person re-identification (ReID). Existing approaches typically rely on outside tools to infer visible body parts, which may be suboptimal in terms of both computational efficiency and ReID accuracy. In…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Pengfei Wang , Changxing Ding , Zhiyin Shao , Zhibin Hong , Shengli Zhang , Dacheng Tao

Occlusion between different objects is a typical challenge in Multi-Object Tracking (MOT), which often leads to inferior tracking results due to the missing detected objects. The common practice in multi-object tracking is re-identifying…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Qiankun Liu , Dongdong Chen , Qi Chu , Lu Yuan , Bin Liu , Lei Zhang , Nenghai Yu

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

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

Severe occlusions of objects pose a major challenge for computer vision. We show that two root causes are (1) the loss of visible information and (2) the distracting patterns caused by the occluders. Our approach addresses both causes at…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Kay Gijzen , Gertjan J. Burghouts , Daniël M. Pelt

Instance-aware segmentation of unseen objects is essential for a robotic system in an unstructured environment. Although previous works achieved encouraging results, they were limited to segmenting the only visible regions of unseen…

Robotics · Computer Science 2022-03-01 Seunghyeok Back , Joosoon Lee , Taewon Kim , Sangjun Noh , Raeyoung Kang , Seongho Bak , Kyoobin Lee

Analyzing complex scenes with Deep Neural Networks is a challenging task, particularly when images contain multiple objects that partially occlude each other. Existing approaches to image analysis mostly process objects independently and do…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xiaoding Yuan , Adam Kortylewski , Yihong Sun , Alan Yuille
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