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돼지의 수 · 포유 행동 I. 수유 행동에서 모돈(랜드레이스×요크셔) 발성음의 특성
장홍희,연성찬 한국임상수의학회 2002 한국임상수의학회지 Vol.19 No.2
The nursing vocalization of domestic pigs(Landrace×Yorkshire) was investigated with respect to common features. All vocalizations uttered during nursings in 5 sows at 5 days after farrowing were recorded and 305 grunts were processed in a spectrograph. The sow's repeated grunting during nursing can be regarded as a contact call and a signal of the mother to start and synchronize the suckling behavior of the piglets. Analysis in the time domain revealed the gross structure of the call, whereas in the frequency domain the fine structure of single grunts was investigated. Nursing interval, duration of nursing behavior, duration of grunt, grunt rate per 10 seconds, fundamental frequency, 1 formant, 2 formant, 3 formant, 4 formant and spectrum were investigated. The results showed that mean interval between the nursing following one another was 25, 4.6min and duration of nursing behavior was 3.20.7min. Average duration of grunt was 203.9 63.6ms. The formant contours could be identified. The nursing behavior might be disturbed by the grunts of alien sow.
돼지의 체온 조절 행동 분류를 위한 영상처리 시스템 개발
장홍희,장동일,임영일,임정택 한국축산시설환경학회 1999 축산시설환경학회지 Vol.5 No.3
This study was conducted to develop an image processing system which can classify the pig's thermoregulatory behavior under the different environmental conditions. The 4 pigs of 25kg were housed in the environmentally controlled chamber(1.4m$\times$2.2m floor space). Postural behavior of the pigs was captured with an CCD color camera. The raw behavioral images were processed by thresholoding, reduction, separation of slightly contacted pigs, labeling, noise removal, computation of number of labels, and classification of the pig's behavior. The correct classification rate of the image processing system was 97.8%(88 out of 90 testing images). The results of this study showed that the image processing system could be used for a behavior-based automatic environmental controller.
장홍희 대한건축학회 1996 建築 Vol.40 No.7
구 국립중앙박물관은 원래 일제의 조선 강점시기에 한반도 경영을 위한 총독부로 지어진 건물이었다. 이 건물은 최근에는 철거가 결정될 때까지 국립중앙박물관으로 쓰였다. 이러한 철거결정은 장기적으로 경복궁복원계획을 전제로 이뤄진 것이다. 이 복원사업 중에는 경복궁의 토대 위에 새 건물들을 지으려는 계획도 포함되어 있다.