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Fuzzy Rule Base를 이용한 한국어 연속 음성인식
송정영,Song, Jeong-Young 배재대학교 공학연구소 1997 공학논문집 Vol.2 No.1
본 연구는 연속음성을 인식하기 위하여 특징 Parameter의 변동성을 Fuzzy 변수로 취하여 Membership 함수로 표현한 후, Fuzzy 추론으로 연속음성을 인식하는 연구이다. 특징 Parameter로는 Formant 주파수, Pitch, Log Energy, Zero Crossing Rate등을 사용한다. 연속음성의 Data로서는 한국어의 연속음성을 대상으로 하여 음성인식 system을 구현한다음, 인식실험을 통하여 본 연구의 유교성을 확인한다. This paper describes how to represent varations of feature parameters to improve recognition of continuous speech. For speech recognition, feature parameters, which are formant frequencies, pitches, logarithmic energies and zero crossing retes are used in general. But, their values and variations depend on speakers, for example disparities between man and woman, and on their age. It is difficult to decide a priority the value of the variation width. Hence, we try to represent this variation by introducing fuzziness and recognize a continuous speech by fuzzy inference using fuzzy production rules.
송정영,백남우,Song, Jeong-Young,Back, Nam-Woo 배재대학교 공학연구소 2002 공학논문집 Vol.4 No.1
This paper deals with the scheduling problems which are the most important subtask in High-Level Synthesis. Especially, we have concentrated our attentions on the data-path scheduling which can get the structural informations from the behavioral algorithm as a first step in synthesis procedure. Suggest Forward scheduling methode is executed the ASAP and ALAP scheduling to use the fifth – order elliptic wave filter of a standard benchmark model, and then it is drawing up T.N matrix table by the number of resource and control-step, using the table extract of the simple than down-limit value of the control-step for the number of given resource to use this table. All of existing list scheduling techniques determine the priority functions first, and then do the operation scheduling, But, the suggested forward scheduling technique does the schedule first, and determines the priority functions if needed in scheduling process.
음성인식을 위한 새로운 포만트트랙킹 알고리즘의 제안과 평가
송정영 ( Jeong-young Song ) 한국인터넷정보학회 2002 인터넷정보학회논문지 Vol.3 No.4
본 논문에서는, 음성인식을 위한 한가지 방법으로 새로운 포만트 트랙킹 알고리즘을 제안한다. 본 연구에서는 실험을 위한 인식 데이터로, 한국어 숫자음성을 사용하였다. 새롭게 제안한 알고리즘을 사용하여 인식실험을 한 결과, 숫자음성 300개에 대한 인식률은 91%의 결과를 얻었다. 본 연구의 새로운 알고리즘은, 인식실험을 통하여 그 유효성이 확인되었다. For the speech recognition, this paper proposes a improved new formant tracking algorithm. The recognition data for the simulation on this paper are used with the Korean digit speech. The recognition rate of the improved algorithm for the Korean digit speech shows 91% for 300 digit speech. The effectiveness of this research has been confirmed through recognition simuluations.
송정영 ( Jeong Young Song ),김나래 ( Narae Kim ),남명현 ( Myeong Hyeon Nam ),박범진 ( Beomjin Park ),황의일 ( Eui Il Whang ),최종명 ( Jong Myung Choi ),김홍기 ( Hong Gi Kim ) 한국균학회 2013 韓國菌學會誌 Vol.41 No.4
Slightly acidic hypochlorous water (SAHW) is well known for having a powerful and broad spectrum antimicrobial activity, and is harmless to the environment and humans. SAHW (pH 5~6.5, 20~30 ppm available chlorine concentration) was generated by electrolysis of dilute solution of HCl (4%) in a chamber of a non-membrane electrolytic cell. Our objective was to determine SAHW has a potential fungicidal activity on some phytopathogenic fungi. Spores of Botrytis cinerea, Colletotrichum acutatum and Phytophthora capsici were not culturable on agar media at approximately 10 seconds after treatment by SAHW. However, inactivation of Penicillium hirsutum was required over 3 min. Dilution of SAHW with sterilized distilled water (SDW) at the ratio of 1:1 (SAHW:SDW) against C. acutatum showed 100% inactivation but, the efficacy in 1:2 decreased until 63.2%. Control value of SAHW was 70.4% against C. acutatum on pepper fruits when applied upto 24 h postinoculation. SAHW has a powerful and wide spectrum antifungal activity and could be applied as a potential alternative to fungicidal agent for control of plant disease.