• Journal of Multimedia Information System
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• 제8권1호
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• pp.23-30
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• 2021

Palmprint has become a popular biometric modality; however, palmprint recognition has not been conducted in video media. Video palmprint recognition (VPR) has some advantages that are absent in image palmprint recognition. In VPR, the registration and recognition can be automatically implemented without users' manual manipulation. A good-quality image can be selected from the video frames or generated from the fusion of multiple video frames. VPR in contactless mode overcomes several problems caused by contact mode; however, contactless mode, especially mobile mode, encounters with several revere challenges. Double-line-single-point (DLSP) assisted placement technique can overcome the challenges as well as effectively reduce the localization error and computation complexity. This paper modifies DLSP technique to reduce the invalid area in the frames. In addition, the valid frames, in which users place their hands correctly, are selected according to finger gap judgement, and then some key frames, which have good quality, are selected from the valid frames as the gallery samples that are matched with the query samples for authentication decision. The VPR algorithm is conducted on the system designed and developed on mobile device.

• 한국지역지리학회지
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• 제22권3호
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• pp.643-654
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• 2016

도시재생(Urban Regeneration)은 지역의 경제적 발전과 활성화 도모를 궁극적 목표로 한다. 도시재생사업의 목표달성과 지속적 운영을 위해서는, 그 장소를 찾는 사람들의 인식을 살펴야 하며 이러한 인식은 그 장소에 많은 관심과 방문을 유도함으로써 지역 활성화 등의 실현수단이 되는 장소애착(place attachment)으로 대변된다. 이에 본 연구는 도시재생사업을 진행 중인 청주시 중앙동을 중심으로 물리적 환경과 활동 프로그램에 대한 인지도를 측정하였고 다중회귀분석을 실시하여 인지도가 장소애착 형성에 영향을 주었는지 분석하였다. 분석 결과, 이용객은 도시재생사업 요인을 인지함으로써 '나는 이곳에 오래 머무르고 싶다', '나는 현재 장소의 모습이 바뀌면 그리울 것이다'라는 장소애착을 형성하지만 '이곳은 다른 곳과 차별적이다'라는 장소애착은 형성하지 못하고 있다. 결과적으로, 물리적 환경과 활동 프로그램을 동시에 반영하고 보다 풍부한 이용객의 심리를 형성하는 도시재생사업의 방향을 제시하였다.

• 한국지형학회지
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• 제17권2호
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• pp.15-28
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• 2010

재해 유형별로 관련된 재해 지명어를 도출하여 지도 및 문헌, 지명정보서비스 등 전체 6종의 자료에 나타난 재해 관련 지명을 확인하고 수집하여 데이터베이스를 구축하였다. 이를 토대로 지명을 통해 나타나는 재해 유형별 지명의 지역별 분포 특성을 분석하여 현재 급증하고 있는 재난에 대비한 방재대책 수립 및 방재영향평가에 활용될 수 있는 가능성을 탐색하고자 하였다. 자연재해와 방재 관련 지명을 대상으로 총 128개의 재해 유형별 재해 지명어를 먼저 추출하였고, 이후 이 검색어를 중심으로 해동지도, 1872군현도, 오만분지일지형도, 지명총람, 신구대조 조선전도부군면리동명칭일람, 지명정보서비스 등 총 6종의 자료를 대상으로 재해 지명을 검색하여 DB화하였으며, 각 자료별로 지역별·재해 유형별 특성을 분석하였고, 활용방안을 제시하였다.

• 말소리와 음성과학
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• 제6권1호
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• pp.95-101
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• 2014

This paper investigated the effects of frequency band limitation on perceptual characteristics of Korean consonants. Monosyllabic speech (144 syllables of CV type, 56 syllables of VC type, 8 syllables of V type) produced by two announcers were low- and high-pass filtered with cutoff frequencies ranging from 300 to 5000 Hz. Six listeners with normal hearing performed perception test by types of filter and cutoff frequencies. We reported phoneme recognition rates and types of perception error of band-limited Korean consonants to examine how frequency distortion in the process of speech transmission affect listener's perception. The results showed that recognition rates varied with the following factors: position in a syllable, manner of articulation, place of articulation, and phonation types. Consonants in the final position were stronger to the frequency band limitation than those in the initial position. Fricatives and Affricates are stronger than stops. Fortis consonants were less stronger than their lenis or aspirated counterparts. Types of perception error also varied depending on such factors as consonant's place of articulation: In case of bilabial stops, they were perceived as alveolar stops with while in cases of alveolar and velar stops, there were changes in phonation types without any change in the place of articulation.

• 한국음향학회지
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• 제31권6호
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• pp.353-358
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• 2012

논문은 지식기반의 음성인식 시스템에서 비음 위치를 검출하기 위한 음향음성학적 파라미터를 제시하였다. 음향음성학적 파라미터는 앞선 연구자들의 연구내용을 토대로 비강을 통해 음성이 발성될 때 나타나는 특징을 기반으로 하여 선별하였다. 선별된 파라미터들은 대역별 에너지 비율, 대역별 에너지의 차이, 포먼트 그리고 포먼트의 차이로써, 비음 위치에 따라 변화하는 조음기관의 영향을 잘 나타내 주었다. 이러한 음향음성학 파라미터를 이용하여 비음을 순비음(/m/), 치경비음(/n/), 그리고 연구개비음(/ng/)으로 나누는 실험을 진행하였고, TIMIT 데이터베이스로 실험하였을 때 57.5%의 검출률을 얻을 수 있었다.

• 한국중재학회지:중재연구
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• 제27권1호
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• pp.37-57
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• 2017

An arbitrator in Pakistan is required to file an arbitral award in a civil court of competent jurisdiction for its recognition and enforcement if an arbitral award is domestic or before the concerned High Court if the arbitral award is international. The court of law is required to issue a decree upon submitted arbitral award if an interested party do not apply for modification or remission of an arbitral award and do not challenge it for setting it aside or for revocation of its recognition and enforcement within a prescribed time limit. The challenging process of an arbitral award can be started by the aggrieved party of an arbitration agreement at the seat of arbitration or at the place where recognition and enforcement of an arbitral award is sought. The aggrieved party to an arbitration agreement is required to challenge an arbitral award within a prescribed time limit if contracting parties have not excluded the right to challenge an arbitral award. Limitation for challenging an arbitral award in Pakistan is 30 days under article 158 of the Limitation Act 1908, starting from the date of service of notice of filling of an arbitral award before the court of law. Generally, 90 days are given for an appeal against decision of the civil court of law under section 96 of the Code of Civil Procedure 1908, it is therefore highly recommended that challenging time of an arbitral award should be increased from 30 to 90 days.

• 대한음성학회:학술대회논문집
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• 대한음성학회 2002년도 11월 학술대회지
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• pp.81-85
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• 2002

We present a statistical analysis of Korean phonological variations using automatic generation of phonetic transcription. We have constructed the automatic generation system of Korean pronunciation variants by applying rules modeling obligatory and optional phonemic changes and allophonic changes. These rules are derived from knowledge-based morphophonological analysis and government standard pronunciation rules. This system is optimized for continuous speech recognition by generating phonetic transcriptions for training and constructing a pronunciation dictionary for recognition. In this paper, we describe Korean phonological variations by analyzing the statistics of phonemic change rule applications for the 60,000 sentences in the Samsung PBS(Phonetic Balanced Sentence) Speech DB. Our results show that the most frequently happening obligatory phonemic variations are in the order of liaison, tensification, aspirationalization, and nasalization of obstruent, and that the most frequently happening optional phonemic variations are in the order of initial consonant h-deletion, insertion of final consonant with the same place of articulation as the next consonants, and deletion of final consonant with the same place of articulation as the next consonants. These statistics can be used for improving the performance of speech recognition systems.

• 교육시설
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• 제16권1호
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• pp.59-68
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• 2009

In the knowledge-base 21st century, schools are required functions as a place of education for student as well as a place of life-long education for community. Therefore schools are needed to be open and to be multiple. The purpose of this study is to analysis of open-facilities to community of twenty elementary schools in Busan and to suggest a design guideline for open -facilities of school plan at the base of this analysis. The main contents of this study are as follows: 1) Study for general ideals and necessity of opening school facilities to community. 2) Establish the study objects of the opening facilities by existing studies and a questionnaire. 3) Focused on twenty elementary schools in Busan, analysis of the characteristics of opening facilities in terms of the using efficiency, that is, the approachability, the recognition and the territoriality. 4) At the base of 1) 2) 3), results are as follows: $\circ$ In consideration of approachability, the block plan of the open-facilities should be designed at making a circulation system without interruption of the student's educational area. $\circ$ In consideration of recognition, the form and detail of external and internal of the open-facilities should be designed at making distinction with the student's educational area. $\circ$ In consideration of territoriality, the zone of the open-facilities should be designed at composing exclusive hall, staircase and sanitation.

• 반도체디스플레이기술학회지
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• 제18권4호
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• pp.57-61
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• 2019

Nowadays, portable digital cameras such as smart phone cameras are being popularly used for entertainment and visual information recording. Given a database of geo-tagged images, a visual location recognition system can determine the place depicted in a query photo. One of the most common visual location recognition approaches is the bag-of-words method where local image features are clustered into visual words. In this paper, we propose a new bag-of-words-based visual location recognition algorithm using time-series streetview database. The proposed algorithm selects only a small subset of image features which will be used in image retrieval process. By reducing the number of features to be used, the proposed algorithm can reduce the memory requirement of the image database and accelerate the retrieval process.

• 한국멀티미디어학회논문지
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• 제13권2호
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• pp.225-236
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• 2010

본 논문은 카메라 영상 정보와 기울기 센서 정보를 통합한 바이모달 응급상황 인식방법을 제안한다. 제안된 방법은 어느 한 센서가 오작동 하거나 사용자가 착용형 기울기 센서를 착용하지 않거나, 영상 획득의 어려움이 있는 욕실과 같은 곳에 있는 경우에도 응급 상황을 감지하여 센서 간에 상호 협력과 보완을 함으로써 응급 상황을 인식할 수 있다. 본 논문에서는 HMM 학습 및 인식을 통해 걷는 동작, 바닥에 앉는 동작, 소파에 앉는 동작, 눕는 동작, 기절 동작을 판단할 수 있도록 하였다. 영상의 특징 벡터와 기울기 센서의 특징 벡터를 결합하여 학습하고 인식했을 때, 인식률의 향상을 가져올 수 있었다. 또한 다양한 조명의 변화에도 적응적 배경 모델을 통해 움직이는 객체를 강건하게 검출할 수 있어서 높은 인식률을 유지할 수 있었다.