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3차원 입체 변환을 위한 MPEG 압축 데이터에서의 영상 처리 기법
김만배 한국방송공학회 1998 한국방송공학회 학술대회 Vol.1 No.1
The conversion of monoscopic video to 3D stereoscopic video has been studied by some pioneering researchers. In spite of the commercial potential of the technology, two problems have bothered the progress of this research area: vertical motion parallax and high computational complexity. The former causes the low 3D perception, while the hardware complexity is required by the latter. The previous research has dealt with NtSC video, thus requiring complex processing steps, one of which is motion estimation. This paper proposes 3D stereoscopic conversion method of MPEG encoded data. Our proposed method has the advantage that motion estimation can be avoided by processing MPEG compressed data for the extraction of motion data as well as that camera and object motion in random directions can be handled.
김만배,박춘근,이숙이,한봉희 한국자원식물학회 2014 한국자원식물학회지 Vol.27 No.5
경상남도 농업기술원에서 육성된 둥굴레 ‘건강백세(Polygonatumodoratum cv. Gungangbeaksea)’를 분양받아 배양하였다. 둥굴레 지하경 절편체를 MS 배지에 BA 3.0 ㎎/L가 첨가된 배지에서 배양하면서 증식된 부정신초괴를 실험재료로 사용하였다. 배양 8주후, 신초의 증식은 TDZ 3.0 ㎎/L 첨가배지에서 2.8개로 가장 많았으며 생체중도 절편체당 2.32 g으로 가장 높게 나타났다. TDZ와 NAA가 첨가된 배지에서는 신초 및 부정신초괴의 증식이 다소 증가하였다. TDZ 3.0 ㎎/L와 NAA 5.0 ㎎/L 첨가배지, TDZ 5.0 ㎎/L와 NAA 3.0 ㎎/L 첨가배지에서 신초수3.7개, 생체중 2.9 g으로 다소 증가하였다. MS 염류농도가 높아질수록 신초 및 부정신초괴의 증식은 저조하였다. 그러나sucrose 농도가 3%에서 7%로 증가함에 따라 신초수, 생체중 및부정신초괴의 형성이 증가하였다. 뿐 만 아니라 둥굴레 부정신초절편체에서 신초 및 부정신초괴의 증식은 MS 배지에 TDZ와 NAA3.0~5.0 ㎎/L와 sucrose 7%가 첨가된 배지가 적합하였다. 발근율은 IBA 3.0 ㎎/L 또는 NAA 2.0 ㎎/L 첨가배지에서 80% 이상으로 높았으며, 발근된 식물체의 순화는 vermiculite 단용 또는 perlite,vermiculite 1:1 혼용처리에서 순화율 100%로 적합하였다 The Polygonatum odoratum cv. Gungangbeaksea, bred in Gyeongsangnam-Do Agricutural Research & Extension Service, was cultured in vitro for micropropagate rapidly through the culture of rhizome explants (5 × 5 ㎜). The 7 × 7 ㎜ explants of adventitious multi-bud clusters (AMC), obtained through the culture of rhizome explants (MS + 3.0 ㎎/L BA) were cultured on MS media with BA and TDZ. The shoot multiplication was favorable on the MS medium containing 3.0 ㎎/L TDZ with 2.8 in shoot number. But the formation of AMC was low in all media tested. The explants of AMC were cultured on MS media containing 1.0~5.0 ㎎/L TDZ and NAA to multiplicate AMC more. The formation of AMC was a little more stimulated on combined MS media of TDZ and NAA, than that with TDZ alone. The multiplication of shoots and AMC was favorable on MS media with 3.0 ㎎/L TDZ and 5.0 ㎎/L NAA, and 5.0 ㎎/L TDZ and 3.0 ㎎/L NAA. As the concentration of MS salts increased, the formation of AMC was decreased. But the formation of AMC was more stimulated, as the concentration of sucrose increased to 7%. Therefore, the multiplication of shoots and AMC was suitable on media containing 3.0~5.0 ㎎/L TDZ and NAA, and 7% of sucrose. The explants of AMC were rooted on media with 3.0 ㎎/L IBA, or 2.0 ㎎/L NAA with more than 80% in rooting ratio. The plantlets were treated at 5 ℃ for 8 weeks, and cultured ex vitro for 8 weeks. The survival ratio of plantlets were 100% in vermiculite, and the mixed soil with perlite 1 volumn and vermiculite 1 volumn.
김만배 경기연구원 2003 경기논단 Vol.5 No.2
The traffic safety management does not seem to be recognized as an important policy issue in the provincial governments differently from the central government. In particular, in the case of the wide area local autonomous entities including Kyonggi province, the above problem is more critical for the reasons that the rights concerning a traffic safety, vehicle management, traffic regulation, etc. belong to the central government, and the improvements concerning the traffic safety related facilities are basically handled by the basic local autonomous entities. Therefore, the role of the wide area local autonomous entities like Kyonggi province is limited. Based on the above background, it is an object of the present research to enhance a role in the traffic safety management that the wide area autonomous entities like Kyonggi province must perform. In addition, this research is focused on the traffic safety management of business vehicles for the reasons that almost traffic safety management businesses of Kyonggi province are involved in the business vehicles. As a result of the analysis which are performed based on a search method through a proceeding research concerning the traffic safety, related laws, etc., this research suggests that it is needed to reinforce the organization of the traffic safety management of Kyonggi province, to establish a detailed plan on the traffic safety, to obtain an execution force concerning the instruction and supervision works with respect to the transportation business companies, and toconstruct a safety management system for local roads.