• Title/Summary/Keyword: Human Body Communication

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Automatic Detecting of Joint of Human Body and Mapping of Human Body using Humanoid Modeling (인체 모델링을 이용한 인체의 조인트 자동 검출 및 인체 매핑)

  • Kwak, Nae-Joung;Song, Teuk-Seob
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.15 no.4
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    • pp.851-859
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    • 2011
  • In this paper, we propose the method that automatically extracts the silhouette and the joints of consecutive input image, and track joints to trace object for interaction between human and computer. Also the proposed method presents the action of human being to map human body using joints. To implement the algorithm, we model human body using 14 joints to refer to body size. The proposed method converts RGB color image acquired through a single camera to hue, saturation, value images and extracts body's silhouette using the difference between the background and input. Then we automatically extracts joints using the corner points of the extracted silhouette and the data of body's model. The motion of object is tracted by applying block-matching method to areas around joints among all image and the human's motion is mapped using positions of joints. The proposed method is applied to the test videos and the result shows that the proposed method automatically extracts joints and effectively maps human body by the detected joints. Also the human's action is aptly expressed to reflect locations of the joints

Design of UWB Antenna for the External Receiver of Capsule Endoscopy (캡슐 내시경의 외부 수신기용 UWB 안테나 설계)

  • Kim Hong-Seok;Oh Min-Seok;Cheon Chang-Yul
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.16 no.8 s.99
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    • pp.790-796
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    • 2005
  • In order to accomplish a wireless communication of capsule endoscopy, an environment study in the human body and receiving antenna design have been performed. The proposed antenna is the loop antenna designed to minimize the propagation loss in multi-loss layer such as the human body and utilize the magnetic field. Considering the propagation loss in the human body, the frequency range is from 400 MHz to 500 MHz. Acorrrding to the FCC regulations, the permittivity and conductivity for each human tissue were extracted. We set up an equivalent model and make an aqueous solution which is replaced with the human body. Due to movement of capsule in the human body which propagation loss is extremly severe, an array antenna is required. Irrespective of the location of transmission antenna transmitting a signal of 1 mW, we confirme what it is possible for the enough signal detection as the average signal level of array antenna is -60 dBm.

Study on the Categorical Structure Standardization for Representation of 3D Human Body Position System

  • Choi, Byung-Kwan;Choi, Eun-A;Nam, Moon-Hee
    • Journal of information and communication convergence engineering
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    • v.18 no.4
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    • pp.260-266
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    • 2020
  • This study presents the categorical structure for ther epresentation of a 3D human body position system in the WD stage after NP approval by the International Organization for Standardization (ISO), analyzes the needs of electronic medical record users and establishes future implementation plans for expanding its use in Korea. Research was conducted on the needs of doctors, nurses, health and medical information managers, and radiology departments, which are the main stakeholders of electronic medical records. The overall requirements for electronic medical records were derived from the results, and the requirements for each stage of use of electronic medical records were analyzed. Based on the results of the study, the study proposes plans to expand the use of the categorical structure for the representation of the 3D human body position system, and also aims to establish a standard system for health and medical terminology in Korea and contribute to the development of health and medical information standards through international standardization.

A new Network Coordinator Node Design Selecting the Optimum Wireless Technology for Wireless Body Area Networks

  • Calhan, Ali;Atmaca, Sedat
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.7 no.5
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    • pp.1077-1093
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    • 2013
  • This paper proposes a new network coordinator node design to select the most suitable wireless technology for WBANs by using fuzzy logic. Its goal is to select a wireless communication technology available considering the user/application requirements and network conditions. A WBAN is composed of a set of sensors placed in, on, or around human body, which monitors the human body functions and the surrounding environment. In an effort to send sensor readings from human body to medical center or a station, a WBAN needs to stay connected to a local or a wide area network by using various wireless communication technologies. Nowadays, several wireless networking technologies may be utilized in WLANs and/or WANs each of which is capable of sending WBAN sensor readings to the desired destination. Therefore, choosing the best serving wireless communications technology has critical importance to provide quality of service support and cost efficient connections for WBAN users. In this work, we have developed, modeled, and simulated some networking scenarios utilizing our fuzzy logic-based NCN by using OPNET and MATLAB. Besides, we have compared our proposed fuzzy logic based algorithm with widely used RSSI-based AP selection algorithm. The results obtained from the simulations show that the proposed approach provides appropriate outcomes for both the WBAN users and the overall network.

An Implementation of HBC System for Capsule Endoscope (캡슐내시경을 위한 HBC시스템 구현)

  • Kim, Ki-Yun
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.18 no.3
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    • pp.215-221
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    • 2018
  • In this paper, a comprehensive design of HBC(Human Body Communication) system for capsule endoscope is presented. First, we propose a method of combining the signals received from multiple patches attached to the body of patient through differential operation and derive the signal SNR mathematically. To synchronize HBC transmission signal sent from capsule, we analyzed coarse timing synchronization method using PN code and fine timing synchronization performance among Manchester, NRZ and RZ modulation method using ZCD(Zero Crossing Detector). In addition, we evaluated the equalization performance of HBC signal frame in Rician and Rayleigh channel environments by applying LMS and RLS algorithm.

Design of Radiation Pattern Reconfigurable Antenna for Vital Signal Sensing Device Attached on Wristband and SAR Analysis on Human body (팔목 부착형 생체신호 측정기기에 사용가능한 방사패턴 재구성 안테나 설계 및 인체 SAR 영향 분석)

  • Lee, Chang Min;Jung, Chang Won
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.1
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    • pp.666-670
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    • 2015
  • This paper presents radiation pattern reconfigurable antenna for Fitbit Flex wristband which detects vital signal. Also, the paper presents Specific Absorption Rate (SAR) from the loop-dipole radiation pattern reconfigurable antenna based on the position of human body. The proposed loop-dipole radiation pattern reconfigurable antenna produces two opposite side direction radiation pattern using two RF switches. The resonant frequency of the radiation pattern reconfigurable antenna is Bluetooth communication bandwidth (2.4 - 2.485 GHz) and the maximum gain of the proposed antenna is 1.96 dBi. The proposed antenna satisfied the standard SAR value of 1.6 W/kg in 1 g tissue of the human body when the Bluetooth communication input average power of 0.04 W is excited to five parts of human body (head, chest, stomach, back, wrist). The maximum SAR value of in this simulation is presented in the part of head.

Improvement Method for Human Body Sensing Module and Managing System (인체 감지 센서 모듈 및 관리 시스템의 개선 방안)

  • Ahn, Tae-Won
    • Journal of the Institute of Electronics and Information Engineers
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    • v.51 no.10
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    • pp.223-227
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    • 2014
  • This paper presents an improvement method for human body sensing module and management system, specifically focused on the human body detection module with ultrasonic sensors to detect the usage of toilets and the management system to control the state of the toilets of the entire building. The proposed human body sensing module consists of the detection sensor to detect the movement of human body and the contact sensor to detect the position in a certain distance. The management system is configured of the control unit to process the signal transmitted from sensors, opening and closing valves according to the sensing signal, and the short range wireless communication unit to save the operational status data as well as transmit the data at regular intervals.

Merleau-Ponty's Intertwining as a Theory of Communion (교감 이론으로서 메를로퐁티의 '상호 엮임')

  • Kwon, Teckyoung
    • Journal of English Language & Literature
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    • v.57 no.4
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    • pp.581-598
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    • 2011
  • The recent revival of phenomenology and aesthetics is deeply connected to the development of neuroscience which studies the nervous system and the brain with particular regard to cognition and memory. How are those fields gathered into building up the basis for the communication not only between human beings but also between humanity and its environment? This paper examines the human mind considered unseparable from the body, with reference to Merleau-Ponty's two major works: Phenomenology of Perception (1962) and The Visible and the Invisible (1968). While reading these texts, I investigate the way he overturns the Cartesian cogito and establishes the body as the ground of perception. According to him, human perception is chiefly obtained through the body rather than consciousness. Influenced by William James, who produced the unique concept of cognition and memory through his experiments with the brain, Merleau-Ponty extends Heideggerian Desein to the field of the embodied mind. James also anticipates Bergson, who regards memory as the product of interaction between consciousness and matter (or the body). The intervention of the body which stores the past experiences makes it impossible for us to capture the present moment in itself. This failure, however, is viewed as positive by Merleau-Ponty because the human body is not only a medium of social interaction, but also that of ecological communion.

A Study about the Human Communication of the Oriental Medicine Nurse-Patient : 'Ritual Communication' (한방간호사-환자 관계의 인간커뮤니케이션 이해 : 의례적 커뮤니케이션)

  • Jun Myung-Hee
    • The Journal of Korean Academic Society of Nursing Education
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    • v.4 no.1
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    • pp.107-119
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    • 1998
  • This study tried to answer the question : 'How does the human communication happen at the oriental medicine hospital between nurse and patient?' To answer that, a micro-ethnographic research method was used. Researcher visited T university hospital of oriental medicine and observed nurse-patient communication from September 1997 to December 1997. The data was obtained through participant observation, interview, audio-tape recording, home video camera, field note-taking, and related documents. After reviewing the whole data and deliberate analysis, first, I learned that most oriental medicine nurses communicate with their patients for their routine nursing job like recording, hand-over to the next duty, report to doctor, etc. I named this type of communication as 'ritual communication'. Second, I can define major argument as follow : Human communication of oriental medicine between nurse and patient is performed more frequently and variously when nurse contacts the patient for the routine nursing activities than for the incidental activities. As a result of these understandings, I suggest that oriental nursing need to develop the body of knowledge and expand its role and independent nursing activity. Also the bureaucratic hospital management centered doctors must be changed reasonalbly.

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Analysis of Human Safety and System Effect according to Grounding Scheme in LVDC Distribution System (LVDC 배전계통의 접지방식에 따른 인체안전 및 계통영향 분석)

  • Oh, Yun-Sik;Han, Joon;Gwon, Gi-Hyeon;Kim, Doo-Ung;Noh, Chul-Ho;Jung, Tack-Hyun;Kim, Chul-Hwan
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.63 no.5
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    • pp.608-614
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    • 2014
  • Recent developments and trends in the electric power consumption clearly indicate an increasing use of DC in end-user equipment. According to the trends, new DC power distribution systems have been researched and developed although we presently enjoy a predominantly AC power distribution system. We can use various grounding schemes in DC distribution system as well as in AC distribution system to protect human body and equipments. However, we need to evaluate carefully which grounding scheme is appropriate for a specific system before applying those schemes. In this paper, we analyze the human safety and system effect according to various grounding schemes in Low Voltage DC (LVDC) distribution system. Some components in LVDC distribution system are modeled and computer simulations are conducted by using ElectroMagnetic Transient Program (EMTP).