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한국어 음성인식을 위한 음성학 기반의 유사음소단위 집합 설계
홍혜진,김선희,정민화,Hong, Hye-Jin,Kim, Sun-Hee,Chung, Min-Hwa 대한음성학회 2008 말소리 Vol.65 No.-
This paper presents the effects of different phone-like-unit (PLU) sets in order to propose an optimal PLU set for the performance improvement of Korean automatic speech recognition (ASR) systems. The examination of 9 currently used PLU sets indicates that most of them include a selection of allophones without any sufficient phonetic base. In this paper, a total of 34 PLU sets are designed based on Korean phonetic characteristics arid the effects of each PLU set are evaluated through experiments. The results show that the accuracy rate of each phone is influenced by different phonetic constraint(s) which determine(s) the PLU sets, and that an optimal PLU set can be anticipated through the phonetic analysis of the given speech data.
홍혜진 ( Hye-jin Hong ),김소현 ( So-hyeon Kim ),이지항 ( Jee Hang Lee ) 한국정보처리학회 2021 한국정보처리학회 학술대회논문집 Vol.28 No.2
본 논문은 사전 학습된 심층생성모델을 기반으로 가수 별 가사의 특성을 반영하여 새로운 가사를 생성하는 모델을 소개한다. 베이스 모델로 한국어 사전 학습 모델 KoGPT-2 를 사용하였으며, 총 가수 10 명의 노래 823 곡을 수집하여 미세조정 기법을 바탕으로 학습하였다. 특히, 가수 별로 구분한 가사를 학습 데이터로 구축하여, 가수 별로 독특하게 나타나는 가사 스타일이 전이되도록 하였다. 가수의 이름과 시작 단어를 입력으로 주고 작사를 수행한 실험 결과, (i) 가수 별로 생성되는 가사의 어휘와 스타일이 그 가수의 기존 곡들의 가사와 유사함을 확인하였고, (ii) 작사 결과 가수 별 차이를 확인하였다. 추후 설문을 통해, 개별 가수들의 가사와 생성된 가사의 어휘와 스타일 유사성을 확인하고, 가수 별 차이 또한 확인하고자 한다.
구간척도를 사용하는 경우 신뢰도 할당 가중치의 결정방법
홍혜진 ( Hye Jin Hong ),김경미 ( Kyung Mee Kim ) 한국경영공학회 2013 한국경영공학회지 Vol.18 No.3
Reliability allocation is a procedure that apportions the system reliability goal into the constituent subsystems during the design stage of a system. Previously, different reliability allocation methods have been developed based on the ten-point interval scales. In this paper, we point out theoretical limitations of previous methods, and three methods are suggested considering the degree of dependability on the obtained ten-point values. If a difference of two interval values is meaningful to the designer, then a modified Karmiol method is recommended. Otherwise if not the difference but only the rank of values is meaningful, a rank-based method is useful. Finally, if a difference of two values can be transformed into a ratio scale, then the well known AHP method can be applied. An example is given to illustrate the proposed methods.
홍혜진 ( Hye Jin Hong ) 문창어문학회 2008 문창어문논집 Vol.45 No.-
This study focuses on discussing the anxiety of characters and its epic characteristics revealed remarkably in Kang Shin-jae`s full-length novels in 1960`s. Unfortunately, conventional studies on his fiction works have focused primarily on short story, and there has been not yet any in- depth discussion on internal aspects of his full-length novels. Kang is a prolific novelist but is yet to be further reviewed in his works. So this study focused on a period of his full-scale novel writing and sought to find potential implications of Kang`s fiction in the history of Korean modern and contemporary novel by examining his full-length novels titled "Your Scent in Forest" and "Today and Tomorrow." In the aspect of consciousness, this study discussed the concept of anxiety in characters, in associations with psychological and philosophical thinking, and prepared a pathway to analyzing his novels in contextual awareness of 1960`s. Here, this study could not help but to consider social subject of characters, since the historical backgrounds in 1960`s gave a significant opportunity to interpret their individual anxiety from social perspectives, rather than in the aspect of meanings implied in anxiety. Chapter 2 made further discussions on fundamental causes and aspects of anxiety revealed in fiction characters. As a result, it was found that the anxiety across whole story of novel became a psychological core so that it could focus on specificity revealed uniformly in form of neurosis on special culture or age in 1960`s, which is different from contemporary anxiety. First, it means anxiety about devotion, that is, typical anxiety one feels from concerns about any threat against his own place as well as from violations of his inviolability. In other words, it means anxiety about potential access of neighbors. Second, in case of one`s desires to live his overwhelming devotional life while avoiding becoming himself, his partners - ``you`` - get overestimated and even appear as depressive characters. Third, there is a sort of anxiety about changes, which means anxiety about potential modifications of inner topography in oneself on the way to changing or even stopping aspiration for continuity. Finally, there is a sort of anxiety about inevitability, which involves ambivalent yearning for intimate stability and somewhere remote to change us beyond familiar paradigm, resulting in anxiety about something unavoidable and anxiety about potential restrictions of inevitability and free desires. Chapter 3 focused on certain epic characteristics in which the anxiety of characters, as discussed in previous chapter, was embodied on story. As a result, first, it is found that characters` anxious behaviors on the way to possession of desires on a repetitive basis appear in two aspects, i.e. their spatial departure from home and corresponding introduction and filling. Kang`s characters try to escape their home which involves a cycle of stereotyped daily life or troubled situations. Here, they reveal patterned attempts to escape home. Second, it is found that the motif of symbolic murder via demolition of body appears in restoration of primeval consciousness by ontological fear resulting from anxiety in reality, and images of human and animal corporal demolition create an atmosphere of anxiety overall in Kang`s fiction, plus anxiety of his characters. Third, a literary technique of contextual irony reveals certain psychology of characters possessed by inner anxiety. As described above, novel reflects our society from different angles. So this study took microscopic approach to the distinction of anxiety shown in Kang`s fiction in 1960`s from the angle of anxiety. With even personal relationships overwhelmed by radical social changes in uncertain industrial society of 1960`s, Kang paid attention to the permeation of materialistic values into a gap of such changes. Human and social anxiety is shown across various spectra in 1960`s, while Kang`s spectrum refers to a prospect closer to personal relationships and inner world. Also, Kang`s fiction has implications in that it maximizes anxiety even in epic techniques, not limited only to content including character languages and depiction, narrator`s position, viewpoint and backgrounds. Kang`s characters in novel reflect his consciousness of desires to reveal people`s inner world toward life through filtering instrument called ``novel`` in historical backgrounds of 1960`s, beyond simple depiction of individual characteristics, and this discussion on aspects of anxiety in Kang`s novels become a significant academic work on the 1960`s.