• 한국멀티미디어학회논문지
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• 제21권12호
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• pp.1473-1480
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• 2018

The extraction and recognition of human motion characteristics need to combine biometrics to determine and judge human behavior in the movement and distinguish individual identities. The so-called biometric technology, the specific operation is the use of the body's inherent biological characteristics of individual identity authentication, the most noteworthy feature is the invariance and uniqueness. In the past, the behavior recognition technology based on the single characteristic was too restrictive, in this paper, we proposed a mixed feature which combined global silhouette feature and local optical flow feature, and this combined representation was used for human action recognition. And we will use the KTH database to train and test the recognition system. Experiments have been very desirable results.

• 한국정보통신학회:학술대회논문집
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• 한국해양정보통신학회 2002년도 춘계종합학술대회
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• pp.181-184
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• 2002

현재 수많은 의료기관 및 의학기관에서는 실습 및 교육에 대해 만족할 만한 환경이 구축되어 있지 않아 적절한 실습과 교육이 이뤄지지 못하고 있는 실정이다. 본 논문에서는 인체의 골격, 내부 장기 및 심장혈관계와 소화 작용을 인터넷상에서 3차원으로 구현하여 전공의뿐만 아니라 일반인들도 원하는 대상을 직접 관찰해 봄으로써 인터넷이 연결된 곳이라면 언제 어디서든지 인체에 대한 정보획득을 쉽게 할 수 있게끔 하였다. 따라서 본 논문에서는 Web 3D 기술을 대표하는 VRML을 이용해 3차원 영상으로 구현함으로써 인체의 전체 골격과 내부 장기들을 깨닫는데 도움이 될 수 있도록 하였고, 인체를 반투명하게 처리하는 기법을 이용해 소화 작용을 실감나게 제공하여 의학 교육과 의료실습에 효과적으로 이용할 수 있게 하였다.

• 정보처리학회논문지:컴퓨터 및 통신 시스템
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• 제5권6호
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• pp.127-134
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• 2016

무선인체센서네트워크(WBSN: Wireless Body Sensor Network)은 일반적으로 무선인체네트워크(WBAN: Wireless Body Area Networks)라고도 불리는데, 일종의 무선센서네트워크(WSN: Wireless Sensor Network)의 응용 중에 하나로, 인간의 신체에 이식되거나 착용하는 형태의 감지노드들로 인체 가까이에 설치된다. WBSN에 설치된 각 노드로부터 측정된 데이터는 싱크 노드에서 인체 상태를 분석하기 위하여 사용되는데, 다른 무선센서네트워크 응용과 마찬가지로 노드와 싱크 노드는 서로 동기화되어야 한다. 무선센터네트워크에서 동작하는 여러시각 동기화 프로토콜이 제안되어왔으나 WBSN에 적용하기에는 부적합하다. 이 논문에서는 WBSN의 특성을 고려하여 새로운 시각 동기화 프로토콜을 제안한다. 제안한 프로토콜은 간단할뿐만 아니라 전력 소모가 작아 네트워크의 수명을 오랫동안 유지할 수 있게 한다. 제안 방안의 성능을 시뮬레이션을 통해 평가하였으며, WBSN에서 구현하기에 적합함을 보였다.

• 감성과학
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• 제5권4호
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• pp.1-10
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• 2002

개인별 신체 특성을 나타내는 가상피팅모델을 이용하여 제공되는 가상 착용 서비스는 웹을 기반으로 한 인터넷 의류 쇼핑의 흥미를 더해준다. 본 연구의 연구자들은 2000년과 2002년에 개발된 미국의 가상피팅모델과 국내에서 개발되었던 가상피팅모델의 개발 기술의 특성과 변화를 분석하였다. 연구결과는 가상피팅모델의 구축을 위해서는 인체의 치수, 형태, 얼굴의 특징들에 관한 정보 입력이 필요하며, 이때 요구되는 정보는 미국과 한국의 사이트에서 차이가 있음을 밝혔다. 미국의 사이트는 정면이나 측면의 실루엣에 대한 정보의 입력이 요구되는 반면 한국의 사이트는 더 많은 인체 치수 관련 정보를 요구하였다. 2000년에 개발되었던 한국의 가상피팅모델은 길고 좁은 프로포션으로 표현되어 사실적인 표현이 부족하였던 반면 2002년 미국에서 개발한 가상피팅모델은 다양한 인종의 특성을 반영하며, 그래픽 기술의 발전으로 사실적으로 표현된 가상피팅모델을 제공하는 것으로 나타났다.

• 한국정밀공학회지
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• 제28권4호
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• pp.455-462
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• 2011

This paper is about the design of a new gravity compensator for the lower body exo-skeleton device. The exo-skeleton devices is for increasing the torque of the human body joint for the purpose of helping the disabled, workers in the industry, and military soldiers. So far, most of studied exo-skeleton devices are actuated by the motors, but motors are limited in energy such that a short durability is always a big problem. In this paper, a new gravity compensator is proposed to reduce the torque load applied to human body joints due to gravity. The gravity compensator is designed using a tortional bar spring, and its structure and characteristics are studied through the test and computer simulation. A design concept on the exo-skeleton device using the gravity compensator is presented. An analysis and computer simulation on the torque reduction of the proposed exo-skeleton device that applies and non-applies the gravity compensator are performed.

• 한국자동차공학회논문집
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• 제21권1호
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• pp.1-8
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• 2013

Recently, the automotive technology has developed with electronics and information technology as convergence technology while vehicles had been regarded as machines. Moreover, vehicles are becoming more intelligent and safer devices, assembly of advanced technologies by customers' demand. Even though all of installations of vehicle have attracted as diverting devices, it cause drivers' mistakes like delay of response on traffic condition. Here, we proposed the Field Operational Test (FOT) environment which could be used as driving and road conditions collector(Vehicle motion, Traffic condition, Driver input, Driver state, etc.) for researches about Driver Friendly Intelligent System(SCC, LDWS, etc.), Human Vehicle Interface(Driving Workload, etc.) and Economic Drive Model. Furthermore driving patten and fuel consumption patten of drivers were analyzed by measured data and direction of future research was suggested.

• International journal of advanced smart convergence
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• 제11권3호
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• pp.72-78
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• 2022

The aim of this research is to improve the effectiveness of digital media advertising because current advertisements -in digital signage - indiscriminately appeals to the general public rather than to a specific target. In order to deliver efficient and customized advertisement information, an IoT human body detection sensor mounted on digital signage detected human faces and then classified them firstly by gender. The digital signage here is a smart digital signage that can analyze facial signals, discriminate them based on patterns, and apply the extracted data by displaying the corresponding information to the user. In addition, by identifying the customer's location approaching the smart digital signage and displaying the optimized content information for the customer's location through an algorithm, the digital signage can dramatize the advertisement Thus, this is a study meant forimproving information efficiency while reducing noise and driving power waste generated from unnecessary digital information reproduction.

• 한국생활과학회지
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• 제18권3호
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• pp.719-727
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• 2009

The ultimate success of commercial applications of body scan data in the apparel industry will be consumers' substantial applications such as automated custom fit, size prediction, virtual try-on, personal shopper services (Loker, S. et al., 2004). In this study, we surveyed fifty consumers and forty-seven apparel industry workers about their recognition and interest in 3D body scanning and virtual try-on. The results are as follows: 55% of the apparel industry workers has recognized 3D body scanning as a convenient technology, but do not know how to use it. To the questions regarding virtual try-on, 53% of the workers give positive answers. The consumers have a more positive view on virtual try-on than the workers do. The workers predict that the application of 3D body scan technology to the apparel industry could offer customers helpful information in their clothing selection by using virtual images of various size and style, and increase mass production of MTM(Made-To-Measure). The answers from the male consumers in their twenties indicate that virtual try-on is useful by 88% on offline shopping and by 100% on online shopping. 53% of the workers and 68% of the consumers gave answers that just by virtual try-on they could judge the quality of the apparel products and purchase them. Absolutely 3D virtual try-on is an effective tool for online shoppers. 85% of the workers anticipate applications of the 3D body scanning also in 'body measurement', 'custom pattern development' as well as 'virtual try-on' in the near future. With the positive reactions and the stimulating interests in virtual try-on, the conditions of contemporary world encourage more active researches and wide usages of the technology in apparel industry.

• 한국의류학회지
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• 제33권1호
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• pp.68-79
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• 2009

It is inevitable to have cutting line to get the 2D pattern from 3D body surface. In this paper the efficiency of curvature plot as a cutting line in the process of flattening 3D surface was investigated. As reference, basic clothing construction line was adopted to divide the 3D surface into small blocks to make the flattening process easy. Female dummy as well as human body were scanned and surface of the upper body was segmented using curvature plot and basic constructing line. 2D tight-fit pattern was developed using three software, the RapidForm 2004, 2C-AN and Yuka CAD. Gap between clothes and body, and the clothing pressure on the body was observed to determine the fit of the clothes. As results, clothes constructed with blocks divided by curvature plot displayed a similar level of tight fit as compared with those by basic construction line. It was found that curvature plot is effective method as a segmentation of the 3D surface even for the actual body which does not have any previous reference line. It is expected that application of curvature plot will be expanded in 3D apparel technology.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제10권10호
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• pp.5112-5128
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• 2016

Tracking human body is an important problem in computer vision field. Tracking failures caused by occlusion can lead to wrong rectification of the target position. In this paper, a robust human tracking algorithm is proposed to address the problem of occlusion, rotation and improve the tracking accuracy. It is based on Tracking-Learning-Detection framework. The key auxiliary information is used in the framework which motivated by the fact that a tracking target is usually embedded in the context that provides useful information. First, face localization method is utilized to find key face location information. Second, the relative position relationship is established between the auxiliary information and the target location. With the relevant model, the key face information will get the current target position when a target has disappeared. Thus, the target can be stably tracked even when it is partially or fully occluded. Experiments are conducted in various challenging videos. In conjunction with online update, the results demonstrate that the proposed method outperforms the traditional TLD algorithm, and it has a relatively better tracking performance than other state-of-the-art methods.