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비지도 학습 기반 가짜뉴스 생성 프레임워크 개발 및 데이터셋 품질 평가 지표의 효과성 연구
김중훈,박새란,이지윤,김재희,강필성 대한산업공학회 2024 대한산업공학회지 Vol.50 No.1
With the advent of the internet and social media, fake news has become easily generated and disseminated, causing severe societal issues. The development of robust fake news detection models to mitigate the damages incurred from fake news necessitates a substantial volume of high-quality fake news data. However, there exists a significant shortage of publicly available datasets that embody such quality. In this study, we propose an unsupervised learning-based framework for generating fake news, solely leveraging real news data. This proposed framework is structured into four key phases: similar news exploration, fake news title generation, labeling error filtering, and data quality verification. Moreover, we introduce a novel set of evaluation metrics to assess the quality of the generated fake news data in terms of reliability, diversity, and complexity. Through extensive experiments, we have validated the effectiveness of the proposed framework and evaluation metrics, paving the way for more nuanced approaches to the creation and analysis of fake news datasets. 이 논문은 2023년도 정부의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업(NRF-2022R1A2C2005455)의 성과물임. 또한, 이 논문은 2021년도 정부(과학기술정보통신부)의 재원으로 정보통신기획평가원의 지원을 받아 수행된 연구임(No. 2021-0-00471, 모델링 & 최적화 기반 오류-free 정보인프라 자율제어 기술 개발). †연락저자:강필성 교수, 02841, 서울시 성북구 안암로 145 고려대학교 산업경영공학부, Tel: 02-3290-3383, Fax: 02-929-5888, E-mail: pilsung_kang@korea.ac.kr2023년 10월 17일 접수; 2023년 11월 28일 게재 확정.
사시 환자의 수술 전 기대와 두려움 및 술 후 일상생활로의 복귀 과정에 관한 연구
김중훈,김승현,조윤애,Joong-Hun Kim,Seung-Hyun Kim,Yoonae A Cho 대한안과학회 2012 대한안과학회지 Vol.53 No.3
Purpose: To investigate preoperative concerns and expectations of caretakers and patients who underwent strabismus surgery and the patients course of return to daily life. Methods: Eighty-five strabismus surgery patients were enrolled in this study. We performed a questionnaire survey including 11 questions about the concerns, expectations of strabismus surgery and the course of return to daily life after surgery. In total, 25 adult patients and 60 children with their caretakers were asked to fill out the questionnaire. Results: The results showed that 77% of all patients and their caretakers expected that the strabismus would be cured after a single operation. The greatest concern before surgery was the possibility of strabismus recurrence (60%). Fifty five percent of the patients reported the use of an eye patch for 2 weeks to 1 month after surgery and 88% of them showed a 75-100% increase in performance after the operation. The most common reason for decreased performance was the use of an eye patch (61%). Most patients returned to normal daily activities within 1 to 2 weeks after surgery. Conclusions: Proper preoperative explanation about the possibility of recurrence may reduce concerns and false expectations about surgical outcomes. It appears to take 1 to 2 weeks for patients to return to their daily lives. J Korean Ophthalmol Soc 2012;53(3):440-445
A study on design and implementation of embedded system for speech recognition process
김중훈,강성인,유홍석,이상배 한국지능시스템학회 2004 한국지능시스템학회논문지 Vol.14 No.2
This study attempted to develop a speech recognition module applied to a wheelchair for the physically handicapped. In the proposed speech recognition module, TMS320C32 was used as a main processor and Mel-Cepstrum 12 Order was applied to the pro-processor step to increase the recognition rate in a noisy environment.DTW (Dynamic Time Warping) was used and proven to be excellent output for the speaker-dependent recognition part. In order to utilize this algorithm more effectively, the reference data was compressed to 1/12 using vector quantization so as to decrease memory. In this paper, the necessary diverse technology (End-point detection, DMA processing, etc.) was managed so as to utilize the speech recognition system in real time
비선형계획법을 이용한 수도권 하수처리장의 최적운영에 관한 연구
김중훈,윤용남 한국수자원학회 1996 한국수자원학회논문집 Vol.29 No.4
본 연구에서는 설계기준 및 수질기준에 합당한 제약조건을 고려하여 하수처리장의 최소비용 운영을 위해 비선형계획법을 적용하였으며, 수질변화는 QUAL2E 모형을 이용하여 모델링을 하였다. 한강수계에 위치한 4개의 수도권 하수처리장에 적용한 결과, BOD 수질기준에 따른 하수처리장의 적절한 운영율을 계산할 수 있었으며, 각 하수처리장에서 유입유량에 따라 하수를 처리하는 것보다 한강의 정해진 수질조건을 유지하는 한도내에서 적정하수량을 처리하는 것이 경제적임을 The objective of this study is to develop an optimal operation model for the sewage treatment plants using nonlinear programming (NLP) technique and the QUAL2E model. The model finds the minimum-cost operation of sewage treatment plants while satisfying a