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First Morphological Description of a Larval Sleek Unicornfish Naso hexacanthus(Acanthuridae, Perciformes) Identified by COI Barcoding in the East China Sea (COI 바코딩으로 동정한 남방표문쥐치(Naso hexacanthus) 치어의 첫 형태 기재)

  • Choi, Hae-young;Choi, Hee-chan;Kim, Sung;Oh, Hyun-ju;Youn, Seok-hyun
    • Korean Journal of Ichthyology
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    • v.34 no.2
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    • pp.119-126
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    • 2022
  • Here, we present the first morphological description of a larval Naso hexacanthus (5.2 mm in body length) from the East China Sea identified by cytochrome c oxidase subunit I (COI) barcoding. The larva had a kite-shaped body with long serrated first spine of dorsal and anal fins. There were four melanophores on the base of the anal fin, dense melanophores on the caudal peduncle, and scattered melanophores on the surface of the brain. There was one small spine on the snout and behind each eye, with serrations on the head, top of the eye, inner- and outer-preopercle, and on the lower part and side of the opercle. The morphological characteristics of larval N. hexacanthus identified by COI barcoding will be useful for species identification of larval fish.

Style Synthesis of Speech Videos Through Generative Adversarial Neural Networks (적대적 생성 신경망을 통한 얼굴 비디오 스타일 합성 연구)

  • Choi, Hee Jo;Park, Goo Man
    • KIPS Transactions on Software and Data Engineering
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    • v.11 no.11
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    • pp.465-472
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    • 2022
  • In this paper, the style synthesis network is trained to generate style-synthesized video through the style synthesis through training Stylegan and the video synthesis network for video synthesis. In order to improve the point that the gaze or expression does not transfer stably, 3D face restoration technology is applied to control important features such as the pose, gaze, and expression of the head using 3D face information. In addition, by training the discriminators for the dynamics, mouth shape, image, and gaze of the Head2head network, it is possible to create a stable style synthesis video that maintains more probabilities and consistency. Using the FaceForensic dataset and the MetFace dataset, it was confirmed that the performance was increased by converting one video into another video while maintaining the consistent movement of the target face, and generating natural data through video synthesis using 3D face information from the source video's face.

Molecular Identification and Morphological Description of Larva of the Previously Unrecorded Species Lepidotrigla longifaciata (Scopaenoidei: Triglidae) from the Southeastern Sea of Jeju Island of Korea (한국 제주도 남동부해역에서 첫 출현한 성대과(양볼락아목), Lepidotrigla longifaciata 자어의 분자동정 및 형태기재)

  • Jae-hoon Jang;Hwan-Sung Ji;Hyo-Jae Yu;Jin-Koo Kim
    • Korean Journal of Ichthyology
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    • v.36 no.1
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    • pp.101-106
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    • 2024
  • In May 2020, a single larval specimen (5.14 mm in total length) was collected from the southeastern sea of Jeju Island of Korea using bongo net. The specimen was identified as Lepidotrigla longifaciata based on mitochondrial DNA cytochrome c oxidase subunit I sequences. The morphological traits of the L. longifaciata larva are as follows: a long snout, a large mouth, large fan-shaped pectoral fins, and black melanophores scattered on the abdominal cavity and nape. We propose the new Korean name 'Gin-meo-ri-dal-jae' for this species, which was first discovered in Korea.

Physicochemical Characteristics of Silky Fowl(Gallus domesticus var. silkies) (백봉오골계육의 이화학적 특성)

  • Cho, Chae-Min;Park, Chung-Kil;Lee, Min-Young;Lew, In-Deok
    • Food Science of Animal Resources
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    • v.26 no.3
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    • pp.306-314
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    • 2006
  • In this study, the anatomic characteristics and the contents of nutritional ingredients and minerals of silky fowl and yeonsan ogolgye was investigated. Silky fowl is covered with white silky feather. There is a pinch of vertical white tassel on peak of the head, especially a silky fowl cock. The crown of a silky fowl has a nickname of phoenix crown, the crown of a cock is mostly like a rose, while that of a hen like strawberry or mulberry. The ear of silky fowl is mostly peacock green(Light blue turquoise), bronze for a small part. Peacock green is most common for Silky Fowl with a age of $60{\sim}150$ days, over the age of 150 days, the peacock green will be gradually replaced by purplish red. Beaks are leaden blue, short and stout while the face is smooth and fine. The lower jaw of silky fowl has comparatively long tiny hair, similar to beard. The two legs of silky fowl are covered with a handful of feather, or known as 'Putting on trousers'. Each leg of silky fowl has five talons. The whole skin, eyes, mouth, talons of silky fowl are grey black The bone and marrow of silky fowl are light black the periosteum is black. The whole meat, internal organs and abdominal fat of sillry fowl aye black the heart and leg meat are light black. Silky fowl meat had lower moisture and lipids content, but higher Ash and protein content than meats of yeosan ogolgye and general chickens. For mineral contents of leg muscle and breast muscle, silky fowl had higher contents of phosphorus (P), iron (Fe), potassium (K), zinc (Zn) than those of yeonsan ogolgye, while yeonsan ogolgye had higher contents of calcium (Ca) than that of silky fowl. The contents of iron (Fe) and zinc (Zn) is higher in leg muscle than in breast muscle for the silky fowl and yeonsan ogolgye. Leg muscle of silky fowl contains a lot of iron (Fe), about 4 times as much as that of leg muscle of yeonsan ogolgye. For the silky fowl and the yeonsan ogolgye, leg muscles contains a lot of zinc (Zn), about 5 times, 4 times respectively as much as that of breast muscle.

Spawning Behavior and Early Life History of the Elegant Blenny, Omobranchus elegans (Pisces: Blenniidae) (앞동갈베도라치의 산란행동 유도 및 초기생활사)

  • Park, Jae Min;Han, Kyeong Ho;Kim, Na Ri;Oh, Sung Jae;Son, Maeng Hyun;Kim, Kyong Min;Jeon, Min Jee;Kim, Jae Myoung;Park, Sang Hee;Cho, Jae Kwon
    • Korean Journal of Ichthyology
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    • v.26 no.1
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    • pp.25-33
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    • 2014
  • This study was conducted to observe the spawning behavior and early life histroy of elegant blenny, Omobranchus elegans reared in the laboratory. The elegant blenny were caught at Dolsan lsland, Yeosu-si, Jeollanamdo from June in 2012. As a result of observeation, male fish attracted female continuously and guide lead to spawning site and clean the surface of inner pant in oyster shell or barnacle shell. Female left after spawning and male protected their eggs until they had hatched out. The fertilized eggs were spherical in shape (mean diameter: 1.06 mm; mean oil globule diameter: 0.24 mm) and transparent. Larvae hatched at 203 hrs 40 mins after fertilization at $25.5{\sim}28.5^{\circ}C$ (mean $27.0^{\circ}C$). The newly hatched larvae were 3.04~3.09mm(mean 3.06 mm, n=10) in total length and their mouth and anus were already opened. They began to eat rotifer and transformed to postarvae stage. 10 days after hatching postlarvae was measured 6.39~6.45mm(mean 6.42 mm, n=10) in total length. 60 days after hatching juvenile was measured 21.5~22.2 mm (mean 21.8 mm, n=10) in total length with dosal fin rays XI-22; ventral fin rays I-2; anal fin rays II-23; caudal fin rays 21; pectoral fin rays 13.

Name Review, and Production Method of Pyeongjeongmo, Housed by the National Palace Museum of Korea (국립고궁박물관 소장 평정모(平頂帽)의 명칭 검토와 제작방법)

  • Lee, Eun-Joo;Jin, Duk-Soon;Lee, Jeong-Min
    • Korean Journal of Heritage: History & Science
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    • v.51 no.2
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    • pp.4-21
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    • 2018
  • This paper reviewed the legitimacy of the name of those sixteen pieces of hat artifacts known in Korean as pyeongjeongmo and currently housed by the National Palace Museum. This was undertaken in order to rectify the error of calling them pyeongjeongmo. Also, the paper suggested pyeongjeongmo's production method to apply representation of the artifacts or production of Joseon officials' hats as representation of ritual costumes in the royal court. The name pyeongjeongmo originated from pyeongjeonggeon. Gyeongguk Daejeon recorded that noksas wore yugak-pyeongjeonggeon and seoris wore mugak-pyeongjeonggeon, but the pyeongjeongmo artifacts housed in the National Palace Museum have been found irrelevant to those pyeongjeonggeons put on by both noksas and seoris. Rather, they has been confirmed as corresponding to dugeon or jogeon worn by byeolgams or suboks who served at the palace of the crown prince or princess. Through the investigation of the artifacts, the researchers could find out the tailoring and sewing methods, the finished look, and the folding manner of pyeongjeonggeon. Although the structure of pyeongjeonggeon was generally consistent, the frontal look was slightly different depending on the folding manner, resulting in three distinguished types of pyeongjeonggeon. Regardless, the pyeongjeongmo was made with one piece of fabric by a flat tailoring and folding method to create a three-dimensional hat. The finished shape appeared low in the front and high in the back side structure. The head girth was 55~59 cm, and the height was 19.4~21.5 cm. To make it with one piece of fabric, the head girth part was tailored in the same direction as the strands. Based on the artifact Changdeok 23820, this paper has also suggested a finished reproduction through the processes of preparing the materials, mounting, making the center ornaments, sewing and folding. The tailoring was completed with black silk fabric which was cut in a unique shape designed in advance, and hemp fabric which was mounted to the former. The top part of the head was finished with black threads, and the center line at the back was fixed with decolored cotton threads by blanket stitches with 3.5~4 cm intervals. Bamboo strands were inserted in the inside of the front-folded part, which then was fixed by patterned stitches with white cotton thread. At the back, a small bamboo clasp was attached so that one can lock it to the headband and prevent it from falling off.

Distribution and Favorable Conditions for Mycelial Growth of Cordyceps pruinosa in Korea (한국에 자생하는 붉은자루동충하초(Cordyceps pruinosa)의 분포와 균사생장에 적합한 조건)

  • Shin, Jae-Chul;Shrestha, Bhushan;Lee, Won-Ho;Park, Young-Jin;Kim, Soo-Young;Jeong, Gwang-Ryel;Kim, Ho-Kyung;Kim, Tae-Woong;Sung, Jae-Mo
    • The Korean Journal of Mycology
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    • v.32 no.2
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    • pp.79-88
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    • 2004
  • Cordyceps pruinosa grows upon dead pupae of Lepidoptera and produces one or $3{\sim}4$ club-shaped stromata per host. The stromata have distinct club-shaped head and long stalk. The length of stromata varies from $1{\sim}3\;cm$. Apical head consists of densely crowded semi-immersed perithecia, which are $360{\sim}400\;{\times}\;180{\sim}200\;{\mu}m$ in size. Asci are $150\;{\mu}m$ in length and $2.8{\sim}3\;{\mu}m$ in diameter. Ascospores, which are $124{\sim}141\;{\mu}m$ in length, have thin thread-like structures in the middle with part-spores attached on both sides. Each ascospore does not separate into part-spores after dispersal, but each part-spore germinates and together develops a colony. The imperfect form produces phialides of $15{\sim}24\;{\times}\;2{\sim}3\;{\mu}m$ size, with spherical or spindle shaped conidia of $4{\sim}6\;{\times}\;1.8{\sim}2.4\;{\mu}m$ size, The anamorph was identified as Mariannaea elegans Samson. YMA and SDAY agar media with pH 7 was produced abundant mycelial growth with high density. Best mycelial growth was observed when dextrin was used as a carbon source. Lactose, saccharose and sucrose also produced high mycelial growth. Peptone, yeast extract and tryptone produced abundant mycelial growth, when used as nitrogen sources. Highest mycelial growth and density was observed when C/N ratio was 1 : 1 at the concentration of 12.5 g/l each. $KH_2PO_4$ was the best mineral source for mycelial growth. Highest mycelial dry wt. was produced in YM and SDAY broths. Optimum inoculum for 100 ml of liquid broth was 6 mycelial discs. Similarly, optimum liquid culture period was 7 days.

JANG-YOOK-DANG's and Irreverence by casting upon the world (장육당(藏六堂)의 육가(六歌)와 완세불공(玩世不恭))

  • Yoon, Yoeng-Ok
    • Sijohaknonchong
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    • v.25
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    • pp.101-127
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    • 2006
  • JANG-YOOK-DANG(장육당) is the pen-name of Lee, Byeol(이별). His elder brother is Lee, won(이원). He was putted to death by the king Yeon-san(연산군). So abandoning the way of the world, JANG-YOOK-DANG hided himself at mountain valley in Peong-san of Hwng-haedo(황해도 평산). Here he angled for fish and with the persons over sixty years old drunk, sang the songs. Then he composed the poem . This poem spreaded abroad, and came to the ears of Lee, Hwang(이황). He criticized this poem to have irreverence by casting upon the world, not to have gentleness and affability. But imitating the poem he composed intended to be sung. For that gentleness and affability are the instruction of the Poetry, he filled the poems with contents of the gentleness and the affability. But the livings of the two persons were different, and then their poems was intended to be sung were different. In these different contents, we can not say that this or that is right. JANG-YOOK-DANG would do to express his bitter sentiments by his song.

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Spawning Behavior and Early Life History of Aucha Perch, Coreperca kawamebari from Korea (한국산 꺽저기 (Coreoperca kawamebari)의 산란습성(産卵習性) 및 초기생활사(初期生活史))

  • Han, Kyeong-Ho;Park, Joon-Taek;Kim, Byeong-Mu;Oh, Sung-Hyun;Lee, Sung-Hun;Jin, Dong-Soo
    • Korean Journal of Ichthyology
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    • v.12 no.2
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    • pp.129-136
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    • 2000
  • The aucha perch, Coreoperca kawamebari was collected in Tam-jin river from February to June 1998. It was reared in the laboratory and observed the spawning behavior and early life history. Spawning season was from mid of April to the end of May in the Tam-jin river. The fertilized eggs were demersal of adhesive, transparent and spherical in shape. Egg diameter was 2.21~2.65 mm with several oil globule of 0.058~0.343 mm. Hatching occurred about 194 hours 23 minutes after fertilization at water temperature of $18{\sim}22^{\circ}C$. Newly-hatched larvae were 5.09~5.68 mm in total length(TL, mean: 5.38mm) with 10~11+18=28~29 myotomes and opened mouth and anus. Melanophores were distributed on the eye lens, on the head, around the yolk, on the dorsal part and the abdominal region of the trunk. After hatching 5 days larvae attained 6.12~6.68 mm in TL (mean: 6.47 mm), and the yolk sac was completely absorbed and transformed to postlarva stage. The larvae reached to the juvenile stage with all the fins were formed with complete set of fin rays (D. XII-12~13; A. III-8~10; P. 11~13; V. I-4~5) at the 22 days after hatching and of the larvae was 11.54 mm in total length. In 32 days after hatching, the juvenile was 13.05 mm in TL. This period was similar to adult in body form and the spot.

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Egg Development and Morphology of Larvae and Juveniles of Spotted Knifejaw, Oplegnathus punctatus (강담돔 (Oplegnathus punctatus)의 난 발생 및 자치어 형태발달)

  • Park, Jae Min;Lee, Sung Hun;Yun, Seong Min;Na, Hae Choon;Han, Kyeong Ho
    • Korean Journal of Ichthyology
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    • v.27 no.2
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    • pp.71-77
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    • 2015
  • Morphological changes in eggs and larvae of spotted knifejaw, Oplegnathus punctatus were observed by cultivation of fertilized eggs to juvenile stage. Fertilized egg was demersal and transparent. The egg has one oil glouble and its size ranged 1.01~1.15 mm ($1.08{\pm}0.10mm$; $mean{\pm}SD$, n=20). Culture chambers were maintained $22.5{\sim}24.5^{\circ}C$ in water temperature and 33.5~34.5ppt in salinity. It took 25 mins from fertilization to the blastoderm stage, 55 mins to 2 cell stage and 20 hrs 50 mins to hatching. Newly hatched yolksac larvae ranged 2.59~3.02 mm ($2.81{\pm}0.25mm$, n=5) in total length, and mouth and anus were not still open. Yolk and oil globule were absorbed 2 days after hatching (DAH). Flexion larvae in 12 DAH ranged 3.02~3.07 mm TL ($3.04{\pm}0.04mm$), and the caudal fin grew to fan-shaped, melanophores appeared on top of digestive canal.