• Journal of the Korean Institute of Telematics and Electronics
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• v.26 no.11
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• pp.1867-1871
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• 1989

One of the most common problems in pattern recognition and image processing is filling the interior of a region when its contour is given. The existing algorithms of the filling are parity check technique, seeding technique, and technique based on chain coding the boundaries. In this paper, a very simple but effective technique for filling the interior of bounded region is proposed. This algorithm is based on the information of binary-coded boundary direction and covers some of the drawbacks reported in the earlier relevant works.

• Korean Journal of Soil Science and Fertilizer
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• v.29 no.3
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• pp.270-274
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• 1996

To estimate the suitable method of phosphorus application in puddled-soil drill seeding of rice, available phosphorus, appearance of algal water bloom, and rice yield were investigated in paddy soil of Honam area from 1994 to 1995. Available phosphorus content with different regions was the highest in the east-west inland region of Noryeong mountain range and the inland region of Honam area and it was the lowest in the Charyeong south plains region. Available phosphorus content was the highest in the alluvial plains. and it was the lowest in dilluvial terrace. Frations of phosphorus in Jeonbug series were high in the order of Ca-P, Fe-P, and Al-P, respectively. Algal water bloom occurred highly in 100% and 70% basal applications before seeding, and slightly in no-fertilizer and 100% application of 3-leaf stage in puddled-soil drill seeding of rice. Suitable amount of phosphorus application was 21kg/ha in the single cropping paddy field of Fluvio-marine plain, and rice yield was increased 6% at 50% basal application.

• Progress in Superconductivity and Cryogenics
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• v.1 no.1
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• pp.1-6
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• 1999

The microstructures of top seed mult processde $\textrm{YBa}_2\textrm{Cu}_3\textrm{O}_7$.$\delta$ single crystal were studied. Although shape of the seed was not faceted. the growth shape of Y123 single crystal was faceted. It was observed that Y211 phases were trapped in specific spaces of the faceted region. From the microstructural investigation. it was suggested that the segregation of Y211 is due to the difference of growth rates in crystal direction. When a single crystal was grown by the single seed with stepped multi surfaces. a microstrue was grown from multi-seed. The microstructure show the possibility of multi-seed growth. Corn kernel like structure without Y211 phase was observed and seemed to be formed by the diffusion reaction between Y211 phase in crystal and liquid wetted on the crystal. the diagonal line on Y123 crystal was observed that it was formed by the corn kernel like structure.

• Proceedings of the Korean Society of Agricultural Engineers Conference
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• 2000.10a
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• pp.120-125
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• 2000

This study analyzes agricultural water demand nationwide which calculated by the estimation system for agricultural water demand(ESAD) with the data are observed in the other Studies. The results are as follows. Maximum, minimum and average values of annual evapotranspiration in paddy in 1,767 boundaries covering all the country are estimated as 819.2mm, 595.2mm and 702.9mm respectively. In the case of transplant seeding, the annual effective rainfall is estimated as 834.7mm to 464.3mm, while the average is 635.3mm. The amount of effective rainfall is largest in case of transplant seedlings and then come watered direct seeding and dry direct seeding regardless of region. Maximum, minimum and average values of annual evapotranspiration in upland in 1,767 boundaries are estimated as 659.97mm, 129.3mm and 411.8mm respectively. The annual effective rainfall is estimated as 607.2mm to 68.3mm while the average is 257.4mm. infiltration ratio in paddy in 1,767 boundaries applied in ESAD is 5.06mm/day in average, varying from 12.0mm/day to 2.0mm/day. Applied conveyance loss is 12.8% in average, varying from 18.0% to 8.0%.

• Journal of The Korean Society of Grassland and Forage Science
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• v.42 no.1
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• pp.41-46
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• 2022

To investigate the domestic seed production potential of Italian ryegrass, it was sown in autumn in the southern region and harvested in the spring of the following year to investigate the productivity and quality of seeds and straw. Italian ryegrass (Lolium multiflorum Lam.) 'GreenCall' variety was sown in Jinju, Gyeongnam in the fall of 2020 with three seeding rates (20, 30 and 40 kg/ha). The experiment was arranged consisted of a randomized block design with three replications. The ryegrass was sown on October 17, 2020, and the harvest was on May 31, about 60 days from the heading stage. The heading stage of Italian ryegrass was April 28, and there was no difference among treatments. Plant height was significantly shorter in the 40 kg/ha seeding treatment group, and there was no significant difference in the remaining treatments. The resistance of lodging, disease, and cold did not show significant differences among treatments. Spike length and number of seeds per spike were highest at 20 kg/ha seeding amount, and there was no difference in the remaining treatments. The seed yield was the highest at 1,956 kg/ha in the 20 kg/ha seeding rate, and there was no difference in the 30 and 40 kg/ha seeding rates. The dry matter content of seeds and straws was 45.60 and 41.83% on average, and there was no significant difference among treatments. The amount of remaining straw after seed harvesting was found to be 7,689 kg/ha on average on a dry basis, and it was high in the 40 kg/ha sowing area, but there was no significant difference among treatments. According to the above results, it was found that it is most advantageous to sow at 20 kg/ha when producing Italian ryegrass seeds through autumn sowing in the southern region.

• Journal of the Korean Institute of Telematics and Electronics
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• v.25 no.8
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• pp.950-958
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• 1988

We have implemented a RTA system using W-halogen lamps and tried to recrystallize the phosphorus ion implanted amorphous silicon on insultor (SOI) taking advantages of seeding window. The purpose of this study is to investigate the possibility of a typical crystalline orientation occurred during the solidifying process of molten amorphous silicon layer. Experimental results show that several twin boundaries are found on the seeding window region after annealing for 15 sec at 1040\ulcorner. These twin boundaries represent that the recrystallization is partialy possible and when the annealing is done at 1150\ulcorner, (100) etch pits with <110> facets are found on the solidified amorphous silicon layer. Consequently, Hall mobility of recrystallized silicon film is measured and the thermal behavior of grain boundary is also observed by SEM.

• KOREAN JOURNAL OF CROP SCIENCE
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• v.39 no.5
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• pp.512-518
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• 1994

One of most laborious work in rice farming is transplanting of rice seedling which has been required preparation of nursury bed and care of seedling during one month period. In this research, direct seeding in dry paddy(DS) was practiced to compare with traditional tansplanting(TP) in Suwon and Milyang. Growth stages in DS were delayed as its planting time was about 36 days later than TP. Heading stage of DS at Suwon was delayed about 15 days as compared to transplanting culture. Rice yield in DS was decreased 8.2%(Suwon) and 0.11%(Milyang), repectively. Working-hour saving in DS was about 34.0%(Suwon) and 54.0%(Milyang). Production cost of DS was decreased 19%(Suwon) and 29% (Milyang), repectively. Amount of rice production per a unit working-hour in DS could incresed 37%(Suwon) and 113%(Milyang) compared to that of TP, respectively. Therefore, DS was decreased little in rice yield, but it could save working hour and production cost, significantly. Warm region like Milyang had more advantage in DS than Suwon. But, DS needs varietal selection for better emergence in low temperature, and more research in weed control and water management.

• Journal of The Korean Society of Grassland and Forage Science
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• v.27 no.3
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• pp.183-188
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• 2007

This study was conducted to determine the effects of seeding date on agronomic characteristics, productivity and feed value of Italian ryegrass, barley and rye during cropping after rice in Suwon, middle region of Korea, during 2004 and 2005. In general, early seeding (26 September) showed longer plant length and branch numbers per square meter than late sowing (11 October). Italian ryegrass had more early seeding effect than barley and rye. The yield of each plant was affected by sowing date in all experiments: the earlier seeding had higher yields than late seeding. In case of Italian ryegrass and barley as late-heading varieties showed more early seeding effect than rye. On the other hand, feed value tended to respond differently to yields. The feed value of each plant were based on liquid swine manure (12%) > composted cattle manure (7%) > composted swine manure (2%). The present results highlight the earlier planting obtained higher yield compared to those planted conventionally.

• Journal of The Korean Society of Grassland and Forage Science
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• v.24 no.3
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• pp.231-236
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• 2004

In order to identify the growth characteristics, the yield and chemical composition of Jeju native sorghum(Sorghum bicolor L.) based on seeding date in Jeju region. Seeding carried out the 10-day intervals from March 27 to May 27 in 2000, respectively. Plant height was 222.9 cm, Showing the highest on seeding date, April 7 among that of any other seeding date. On the other hand, those of early and late seeding gradually decreased. The results of stem diameter, number of leaves were similar to those of the plant height. The yield of fresh, dry matter forage, crude protein and TDN found the highest on April 7 seeding, 48.0 MT/ha, 12.0 MT/ha, 1.0 MT/ha, 5.3 MT/ha, respectively. In early and late seeding, the yield was gradually decreased. According to delaying the seeding date, March 27 to May 27, the contents of crude protein (from 7.8 to $11.4\%$) ether extract(from 1.7 to $3.3\%$), nitrogen free extract(from 34.1 to $40.0\%$) and TDN(from 42.9 to $52.5\%$) were gradually increased, respectively. On the other hand, those of crude fiber (from 40.6 to $32.3\%$) and crude ash (from 10.3 to $7.6\%$) were decreased. These results showed that April 7 was the optimum seeding date with the sole object of feed production of Jeju native sorghum.

• International Journal of Computer Science & Network Security
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• v.21 no.5
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• pp.1-8
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• 2021

Prostate cancer is one of the most diagnosed malignancies found across the world today. American cancer society in recent research predicted that over 174,600 new prostate cancer cases found and nearly 31,620 death cases recorded. Researchers are developing modest and accurate methodologies to detect and diagnose prostate cancer. Recent work has been done in radiology to detect prostate tumors using ultrasound imaging and resonance imaging techniques. Transrectal ultrasound and Magnetic resonance images of the prostate gland help in the detection of cancer in the prostate gland. The proposed paper is based on comparison and analysis between two novel image segmentation approaches. Seed region growing and cluster based image segmentation is used to extract the region from trans-rectal ultrasound prostate and MR prostate images. The region of extraction represents the abnormality area that presents in men's prostate gland. Detection of such abnormalities in the prostate gland helps in the identification and treatment of prostate cancer