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Validation of CAN-CAN Gateway in the Automotive Network System
Junwon Kim,KeyHo Kwon,JaeWook Jeon 제어로봇시스템학회 2017 제어로봇시스템학회 국제학술대회 논문집 Vol.2017 No.10
Currently, the increasing functions required for the automobile are making the automotive network more complicated. As this complexity grows, the increment of network bus load is one of the problems. To solve this issue, using a gateway is one solution. However, if one behavior in the gateway goes wrong, sending accurate information to the gateway or Electronic Control Unit (ECU) of another domain is impossible, and this will bring malfunctions to the automotive system. Currently there are no definite evaluation entries for gateway behavior, or evaluation standards for the stability and reliability of a network using the gateway. The purpose of this paper is to propose entries for validating CAN-CAN gateway behavior, and a validation method. Also, this paper validates the entries and the method by using an embedded system gateway.
Single-camera dedicated television control system using gesture drawing
Soonmook Jeong,Jungdong Jin,Taehoun Song,Keyho Kwon,Jae Wook Jeon IEEE 2012 IEEE transactions on consumer electronics Vol.58 No.4
<P>As gesture recognition technology has improved, it has been applied to various consumer appliances to provide natural interfaces. Television is a representative system for this kind of interface because of its complex requirements for various functions. Icon-based interfaces are the general method used. However, according to the performed survey, various functions were not required for watching TV. This work found most viewers mainly tend to use some specific functions such as channel or volume. These functions should be controlled easily and quickly since they are frequently used. However, the iconbased interface has difficulty fulfilling this requirement since it is affected by Fitts' law. Hence, this paper proposes a gesturebased method for easy and quick control. User hand gestures are recognized by capturing the motion path when the user draws different symbols in the air. These gestures are used to interact with the TV. It is implemented using a single-camera dedicated hardware system. This system is based on a real time parallel processing structure. The analysis shows that subjects enjoy this TV control system.</P>
송태훈(Taehoun Song),정순묵(Soonmook Jeong),정현욱(Hyunuk Jung),권기호(Keyho Kwon),전재욱(Jaewook Jeon) 한국HCI학회 2009 한국HCI학회 학술대회 Vol.2009 No.2
본 논문은 적외선센서를 이용한 사용자의 손동작 패턴 검출에 관한 연구이다. 사람의 움직임 패턴을 파악하기 위해, 카메라를 이용하여 실시간 영상을 획득하는 방법과, 가속도센서 및 자이로스코프를 이용한 사용자의 모션검출에 관한 연구가 활발히 진행되고 있다. 하지만 이러한 기존의 연구들은 사용자의 모션을 검출하기 위해 고가의 장비와 이를 운용하기 위한 고성능의 모션처리기가 필요하다. 또한 조명이나 피부색, 센서의 정밀도에 따른 모션검출의 한계가 있다. 본 논문은 적외선센서를 이용하여 사용자의 손동작을 간편하게 검출할 수 있는 방법에 대한 연구로써, 적외선센서를 가로·세로 형태로 배치한 기구부와 이를 제어하기 위한 센서보드를 이용하여 사용자의 손동작을 검출한다. 또한 보다 정확한 손동작 검출을 위해 사용자 손동작을 패턴단위로 구분하고, 센서의 감지순서와 감지시간 차이를 이용하여 분류한 손동작 패턴을 매칭시키는 방법을 제안한다. 본 연구의 결과는 이동로봇이나 컴퓨터 어플리케이션을 직접 제어하는 것으로 그 효용성을 검증한다. 컴퓨터 어플리케이션은 웹 기반의 지도 검색 프로그램인 구글어스를 사용한다. This paper proposes a hand posture recognition with pattern-matching method, embedding a simple paradigm using an Infrared sensor array. Our patternmatching based hand posture recognition is specification supports fun and the user experience when communicating between humans and telecommunication devices, including robots. Our non-contact type input device (IR-Sensor Array) transmits commands to control mobile robots. It can also control Google Earth's map searching programs, and other applications.
Generating Music Using a Picture and a Transform System
GiHoon Go,TaeHoon Song,SoonMook Jung,HyunUk Jeong,MyungJin Kim,MinKyung Kim,HyungMin Kim,MiYoung Kang,KeyHo Kwon,JaeWook Jeon 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper introduces a method to generate music using a picture. We outline the transform system we created to do so. We analyze pictures as visual information, and music as acoustical information. We find they have features, such as continuity, in common. We create a transform system based these common features and output the music using MIDI (Musical Instrument Digital Interface). We consider the fundamental features of music when we create the transform system. A stream of music is repetitive, has contrast, and variation. However, in general, pictures lack these features. We generate music by combining rhythm and modulated rhythm. This paper shows how to create the transform system, the process of generating music using a picture, and the algorithms involved. By showing the output’ high degree of freedom, we prove that this system can help the composer compose. The composer can quote some rhythm or melody of generated music, or can obtain inspiration to compose when listening to the outputs.