• Title/Summary/Keyword: Surveillance systems

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Height Prediction Mechanism for Smart Surveillance Systems (지능형 보안 감시 시스템을 위한 높이 예측 메커니즘)

  • Shim, Jaeseok;Lim, Yujin
    • KIPS Transactions on Computer and Communication Systems
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    • v.3 no.7
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    • pp.241-244
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    • 2014
  • Wireless Sensor Network(WSN) has been attracting lots of interest in recent years for smart surveillance systems. WSN-based surveillance systems need to figure out the occurrence or existence of events or objects and to find out where the events have occurred or the objects are present. In our surveillance system, it is needed to give an alarm only when the detected object is human (not pets or rodents) for reducing false alarms and improving the system reliability. In this paper, we propose a height prediction mechanism to determine if the detected object is human using Heron's formula. Finally, we verify the performance of our proposed mechanism through various experiments.

A Novel Image Captioning based Risk Assessment Model (이미지 캡셔닝 기반의 새로운 위험도 측정 모델)

  • Jeon, Min Seong;Ko, Jae Pil;Cheoi, Kyung Joo
    • The Journal of Information Systems
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    • v.32 no.4
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    • pp.119-136
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    • 2023
  • Purpose We introduce a groundbreaking surveillance system explicitly designed to overcome the limitations typically associated with conventional surveillance systems, which often focus primarily on object-centric behavior analysis. Design/methodology/approach The study introduces an innovative approach to risk assessment in surveillance, employing image captioning to generate descriptive captions that effectively encapsulate the interactions among objects, actions, and spatial elements within observed scenes. To support our methodology, we developed a distinctive dataset comprising pairs of [image-caption-danger score] for training purposes. We fine-tuned the BLIP-2 model using this dataset and utilized BERT to decipher the semantic content of the generated captions for assessing risk levels. Findings In a series of experiments conducted with our self-constructed datasets, we illustrate that these datasets offer a wealth of information for risk assessment and display outstanding performance in this area. In comparison to models pre-trained on established datasets, our generated captions thoroughly encompass the necessary object attributes, behaviors, and spatial context crucial for the surveillance system. Additionally, they showcase adaptability to novel sentence structures, ensuring their versatility across a range of contexts.

Exploring Image Processing and Image Restoration Techniques

  • Omarov, Batyrkhan Sultanovich;Altayeva, Aigerim Bakatkaliyevna;Cho, Young Im
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.15 no.3
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    • pp.172-179
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    • 2015
  • Because of the development of computers and high-technology applications, all devices that we use have become more intelligent. In recent years, security and surveillance systems have become more complicated as well. Before new technologies included video surveillance systems, security cameras were used only for recording events as they occurred, and a human had to analyze the recorded data. Nowadays, computers are used for video analytics, and video surveillance systems have become more autonomous and automated. The types of security cameras have also changed, and the market offers different kinds of cameras with integrated software. Even though there is a variety of hardware, their capabilities leave a lot to be desired. Therefore, this drawback is trying to compensate by dint of computer program solutions. Image processing is a very important part of video surveillance and security systems. Capturing an image exactly as it appears in the real world is difficult if not impossible. There is always noise to deal with. This is caused by the graininess of the emulsion, low resolution of the camera sensors, motion blur caused by movements and drag, focus problems, depth-of-field issues, or the imperfect nature of the camera lens. This paper reviews image processing, pattern recognition, and image digitization techniques, which will be useful in security services, to analyze bio-images, for image restoration, and for object classification.

Optimum Region-of-Interest Acquisition for Intelligent Surveillance System using Multiple Active Cameras

  • Kim, Young-Ouk;Park, Chang-Woo;Sung, Ha-Gyeong;Park, Chang-Han;Namkung, Jae-Chan
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2003.09a
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    • pp.628-631
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    • 2003
  • In this paper, we present real-time, accurate face region detection and tracking technique for an intelligent surveillance system. It is very important to obtain the high-resolution images, which enables accurate identification of an object-of-interest. Conventional surveillance or security systems, however, usually provide poor image quality because they use one or more fixed cameras and keep recording scenes without any cine. We implemented a real-time surveillance system that tracks a moving person using four pan-tilt-zoom (PTZ) cameras. While tracking, the region-of-interest (ROI) can be obtained by using a low-pass filter and background subtraction. Color information in the ROI is updated to extract features for optimal tracking and zooming. The experiment with real human faces showed highly acceptable results in the sense of both accuracy and computational efficiency.

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Gait Recognition and Person Identification for Surveillance Robots (걸음걸이 인식을 통한 감시용 로봇에서의 개인 확인)

  • Park, Jin-Il;Lee, Wook-Jae;Cho, Jae-Hoon;Song, Chang-Kyu;Chun, Myung-Geun
    • Journal of Institute of Control, Robotics and Systems
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    • v.15 no.5
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    • pp.511-518
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    • 2009
  • The surveillance robot has been an important component in the field of service robot industry. In the surveillance robot technology, one of the most important technology is to identify a person. In this paper, we propose a gait recognition method based on contourlet and fuzzy LDA (Linear Discriminant Analysis) for surveillance robots. After decomposing a gait image into directional subband images by contourlet, features are obtained in each subband by the fuzzy LDA. The final gait recognition is performed by a fusion technique that effectively combines similarities calculated respectively in each local subband. To show the effectiveness of the proposed algorithm, various experiments are performed for CBNU and NLPR DB datasets. From these, we obtained better classification rates in comparison with the result produced by previous methods.

A new IP-based Multi-Channel Elevator Video Surveillance System (IP 기반의 다채널 엘리베이터 영상감시 시스템)

  • Shin, Jea-Hung;Kim, Hong-Ryul
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.62 no.4
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    • pp.164-168
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    • 2013
  • Recently, in the elevator of the buildings, such as apartment and office building, the visitor monitoring cameras for surveillance, advertising LCD to provide a variety of information, emergency call devices, and safe driving information sensors are installed. A variety of multimedia data from these devices to the central control office, management office, or to guard room are transmitted in real-time. Each sub-systems in the elevator are installed with a separate lines and operated independently and use different management principals, so integrated management for each sub-systems are very difficult. In this study, we develop a new IP-based multi-channel video surveillance system which is integrated surveillance camera, emergency call devices, communications devices, various sensors in the elevator, DVR, ODM, and can manage all devices by two-way communication and integrated interface. And we evaluated the performance of the developed system.

Surveillance of acute Occupational Pesticide-related Illness: The US Experience (급성 직업성 농약중독 및 손상에 대한 감시체계: 미국의 경험)

  • Song, Jae-Chul;Calvert, Geoffrey M.
    • Journal of agricultural medicine and community health
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    • v.27 no.1
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    • pp.1-8
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    • 2002
  • Pest control is required for protecting the food supply and for controlling disease vectors. Unfortunately, there is no perfectly safe form of pest control. Pesticides are commonly used for pest control. Pesticides are defined under the US Federal Insecticide Fungicide and Rodenticide Act(FIFRA) as any substance or mixture of substances intended to prevent, destroy, repel, or mitigate pests, and any substance or mixture of substances intended for use as a plant regulator, defoliant, or dessicant(40 CFR Part 152). Currently in the United States, there are 890 active ingredients registered as pesticides. Approximately one billion pounds of active ingredient are used in the US per year. Unlike most chemicals(anti-neoplastic and anti-micobial medications are the principal exceptions), pesticides are specifically designed to kill and cause harm. Because society allows these chemicals to be disseminated into the environment, it is important to monitor the health effects associated with these releases. This represents an important justification for establishing and maintaining surveillance systems for acute pesticide-related illness and injury. A comprehensive, national surveillance system for acute pesticide-related illness and injury does not currently exist in the US. Although the United States has several surveillance systems for this condition, none provide a complete understanding of the problem of acute pesticide-related illness and injury. The Toxic Exposure Surveillance System(TESS) and Bureau of Labor Statisitics(BLS) are useful for assessing magnitude and trends. The state-based surveillance systems are more useful for timely identification of outbreaks and emerging problems. Efforts are underway to increase the number of states that conduct surveillance, and to broaden the use of the standardized case definition to facilitate aggregation of data across states. Through such efforts, a comprehensive, national surveillance system may be attainable.

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Concept Design for the Intelligent Surveillance System for Urban Transit (도시철도 지능형 종합감시시스템 개념설계)

  • An, Tae-Ki;Shin, Jeong-Ryol;Lee, Woo-Dong;Han, Seok-Yoon
    • Proceedings of the KSR Conference
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    • 2008.06a
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    • pp.653-658
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    • 2008
  • Service areas in the urban transit need to construct the intelligent integrated surveillance system, because they are the public places that many people get together at one time. In past, analogue, closed-circuit televisions and analogue video recorders are used to construct the surveillance system. Now, a lot parts of the analogue systems that depend on the images have been changed to the complicated system, which consists of sensors and images and also, to be digitalized. In past, the surveillance system was used as an inspection devices to examine the spots after happening some events. But, with a high level of the computer and communication technologies, it is possible that the digitalized data leads the intelligence systems to prevent some accidents by using the various analysis techniques. And the data could be used to decide surveillance policies and provide some information on the safety and management policies as well as surveillance policies. In this paper, we define the intelligent surveillance system and suggest the major functions of the system. Also, we suggest the fundamental functions that every part should get and describe the way to develop the system.

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A Study on Standardization of Middleware Interface between heterogenous video surveillance systems (이기종 영상보안시스템 간 미들웨어 인터페이스 표준화 연구)

  • Lee, Daesung
    • Convergence Security Journal
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    • v.15 no.3_2
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    • pp.21-30
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    • 2015
  • Current video surveillance system that is being used in the country are composed of different video surveillance s ystem that is produced in a number of domestic and foreign manufacturers and perform a service. These video surv eillance systems are using different protocols and interfaces, operating method, it provides such performance without interworking and interoperability between the video surveillance systems, in accordance with the purpose of operatin g the subject is being operated separately. Therefore, in order to provide an image with a more systematic and effici ent security service, many operational constraints are requested. The present study defines the standardization for a unified standard interfaces and protocols to ensure the interworking and interoperability between the different individ ual video security system.

Compliance Commitment and Compliance Support System: Focused on the Perceived Usefulness and Surveillance Concerns (준법몰입과 준법지원시스템 사용의도: 지각된 유용성 및 감시우려를 중심으로)

  • Lee, Sung-Jin;Kim, Sang-Soo
    • The Journal of Information Systems
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    • v.27 no.4
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    • pp.97-114
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    • 2018
  • Purpose Compliance support system (CSS) aims to support employees' voluntary compliance activities, however, it requires a different approach from the acceptance of other general information systems. In other words, the user's concern that his/her compliance activities recorded in the system are monitored may hinder the active use of the system. In this regard, we set up a research model to investigate the factors that affect the intention to use CSS, by including perceived usefulness, compliance commitment, and surveillance concern. Design/methodology/approach A questionnaire survey was conducted for the employees of a domestic oil-company, who operates their own CSS. Based on the 865 data collected, a structural model analysis using PLS was conducted. As a result, all four hypotheses were accepted. It was found that perceived usefulness of CSS has a positive effect on the intention to use CSS. Compliance commitment has a positive effect both on perceived usefulness and intention to use CSS. In contrast, surveillance concern of one's non-compliance recorded in the CSS was shown to have a negative effect on the relationship between compliance commitment and perceived usefulness. Findings This study has academic implications in that it extends the viewpoint of the existing technology acceptance mechanism by examining the two aspects, i.e., compliance commitment and surveillance concern. This study may also provide practical directions to strengthen the use of the active compliance support system by the employees.