• Title/Summary/Keyword: Hybrid capsule

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Handwritten Indic Digit Recognition using Deep Hybrid Capsule Network

  • Mohammad Reduanul Haque;Rubaiya Hafiz;Mohammad Zahidul Islam;Mohammad Shorif Uddin
    • International Journal of Computer Science & Network Security
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    • v.24 no.2
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    • pp.89-94
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    • 2024
  • Indian subcontinent is a birthplace of multilingual people where documents such as job application form, passport, number plate identification, and so forth is composed of text contents written in different languages/scripts. These scripts may be in the form of different indic numerals in a single document page. Due to this reason, building a generic recognizer that is capable of recognizing handwritten indic digits written by diverse writers is needed. Also, a lot of work has been done for various non-Indic numerals particularly, in case of Roman, but, in case of Indic digits, the research is limited. Moreover, most of the research focuses with only on MNIST datasets or with only single datasets, either because of time restraints or because the model is tailored to a specific task. In this work, a hybrid model is proposed to recognize all available indic handwritten digit images using the existing benchmark datasets. The proposed method bridges the automatically learnt features of Capsule Network with hand crafted Bag of Feature (BoF) extraction method. Along the way, we analyze (1) the successes (2) explore whether this method will perform well on more difficult conditions i.e. noise, color, affine transformations, intra-class variation, natural scenes. Experimental results show that the hybrid method gives better accuracy in comparison with Capsule Network.

Studies on the Production of $F_1$ Hybrid Seed, Using Male Sterile Flue-cured Tobacco(Nicotiana Tabacum L.) I . Effects of the mixed rates of pollen diluent dusts on the F$_1$ hybrid seeds production. (황색종 담배에 있어서 웅성불임 $F_1$ 품종의 종자 생산에 관한 연구 I. 화분과 증량제의 배합비율이 종자 생산성에 미치는 영향)

  • 신승구
    • Journal of the Korean Society of Tobacco Science
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    • v.20 no.2
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    • pp.166-171
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    • 1998
  • In order to improve the efficiency of F$_1$ hybrid seeds production(KF 114), some experiments were carried out in a greenhouse this year. Mother plant(MSNC567) and pollen plant(NC) were grown in some pots (30 x 30cm, WxH). The gathered pollens were mixed with celite, pollen deluent dusts and stored in refrigerator at l$0^{\circ}C$ before pollination. To establish the critical range of the mixed rate and the storage period of pollens, the change in a percent of capsule set, number of seed and seed weight per capsule, weight of 1000 seeds and germination percent of seed resulted of pollination with pollen deluent dusts were investigated. The results are as follows; Percent of capsule set showed the mixed rate 1:5 resulted in no difference and those of 1:10 and 1:20 decreased about 5 ~15% when compared with trials using pollen alone. There was no difference among duration of storage in a same mixed rate. Numbers of seed per capsule showed a significant difference among the mixed rates and among durations of storage. Numbers of seed per capsule were decreased about 55 ~ 90 % as the mixed rate increase, about 2 ~ 28 % as the duration of storage increase. Weight of seed per capsule decreased about 16 ~ 23 % as the duration increase and decreased about 3 ~ 89 % as the mixed rate increase when compared with trials using pollen alone. Weight of 1000 seeds showed non significant difference among duration of storage but were higher than trials used pollen alone as the mixed rate increase.

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An Experimental Study on the Healing Performance of Cement Composites According to Mixing Ratio of Self-Healing Hybrid Capsules (자기치유 하이브리드 캡슐 혼합율에 따른 시멘트 복합재료의 치유성능에 관한 실험적 연구)

  • Yun-Wang, Choi;Jun-Ho, Park;Yong-Jic, Kim;Sung-Rok, Oh
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.10 no.4
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    • pp.531-538
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    • 2022
  • In this study, the self-healing hybrid capsules were prepared, were mixed with 3 %, 5 %, and 7 % based on cement mass. The healing performance were evaluated according to mixing ratio self-healing hybrid capsule. As a result of the experiment, it was found that the crack healing performance improved as the mixing rate of the self-healing hybrid capsule increased, but the quality performance tended to decrease. Therefore, it is judged that using the mixing ratio of the hybrid capsule within 5 % reduces the quality performance to within about 10 % and secures about 90 % or more of the healing performance.

Occurrence of eye abnormality in cultured red seabream (Pagrus major) and induced hybrid, red seabream Pagrus major(♀) ${\times}$ black seabream Acanthopagrus schlegeli(♂)

  • Iraida, Germogenovna Syasina;Park, In _Seok
    • Journal of fish pathology
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    • v.16 no.2
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    • pp.75-80
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    • 2003
  • Red scabream, Pagrus major , is a valuable aquaculture species in Korea , but spontaneous eye abnormality occurred in cultured individuals . The incidence of eye abnormality was 4% in the group of cultured red scebream. The abnormality was characterized by unilateral and bilateral exophthalmos, opacity and lens pathology. Lense prolapse was found in two cases. Lenses in diseased fishes was considerably small in diameter and eyes were deformed as a whole. In the group of induced hybrid red scabream Pagrus major (♀) x black seabrearn Acanthopagrus schlegeli (♂), the incidence of eye abnormality wa~ the same 4%, but only opacity was registered. Opacity was also found in two of sixteen examined Wild-caught red seabrcam. Histopathological changes of lenses in cultured red seabreem included vecuolated cytoplasm of lens fibers, necrosis of fibers in central part of lens, folding and increase in thickness of lens capsule, and epithelial proliferation beneath the anterior lens capsule. In affected eyes no parasites or gas bubbles were found.

Attention Capsule Network for Aspect-Level Sentiment Classification

  • Deng, Yu;Lei, Hang;Li, Xiaoyu;Lin, Yiou;Cheng, Wangchi;Yang, Shan
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.4
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    • pp.1275-1292
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    • 2021
  • As a fine-grained classification problem, aspect-level sentiment classification predicts the sentiment polarity for different aspects in context. To address this issue, researchers have widely used attention mechanisms to abstract the relationship between context and aspects. Still, it is difficult to effectively obtain a more profound semantic representation, and the strong correlation between local context features and the aspect-based sentiment is rarely considered. In this paper, a hybrid attention capsule network for aspect-level sentiment classification (ABASCap) was proposed. In this model, the multi-head self-attention was improved, and a context mask mechanism based on adjustable context window was proposed, so as to effectively obtain the internal association between aspects and context. Moreover, the dynamic routing algorithm and activation function in capsule network were optimized to meet the task requirements. Finally, sufficient experiments were conducted on three benchmark datasets in different domains. Compared with other baseline models, ABASCap achieved better classification results, and outperformed the state-of-the-art methods in this task after incorporating pre-training BERT.

Experimental Study on the Quality Properties of Precast Concrete Utilizing Self-Healing Capsules as an Essential Technology for Smart City Implementation (스마트 시티 구현을 위한 요소기술로써 균열 자기치유 캡슐 활용 프리캐스트 콘크리트의 품질특성 평가에 관한 실험적 연구)

  • Sung-Rok Oh;Eun-Joon Nam;Neung-Won Yang;Yun-Wang Choi
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.11 no.4
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    • pp.568-575
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    • 2023
  • This paper aims to evaluate the quality characteristics and healing performance of precast concrete incorporating self-healing technology as a key technique for the construction of smart cities. The study found that precast concrete mixed with hybrid capsules exhibited a tendency of reduced slump and air content, impacting the quality characteristics. Specifically, the slump decreased by up to 14 %, and the air content by up to 9 %. Moreover, the inclusion of hybrid capsules in the concrete resulted in a maximum decrease of 16 % in compressive strength and 18 % in flexural strength. However, the introduction of hybrid capsules significantly enhanced the crack healing performance. The assessment through water permeability tests showed that the healing rate of 0.3 mm crack width after a 28-day healing period improved as the mixing ratio increased, with the healing rates at 1 %, 3 %, and 5 % hybrid capsule mixtures observed to increase by approximately 16 %, 25 %, and 32 %, respectively.

MATERNAL HAPLOIDS FROM CROSS OF N. TABACUM WITH N. AFRICANA AND THEIR CHARACTERS (종간교배(N.tabacum ${\times}$ N.africana)에 의한 반수체의 출현빈도와 특성)

  • 금완수;정석훈;정윤화;최상주;이승철
    • Journal of the Korean Society of Tobacco Science
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    • v.7 no.1
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    • pp.93-96
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    • 1985
  • This study was conducted to establish the maternal haploid method for the practical breeding of M tabacum using the interspeciflc hybridization between M tabacum and N. aflicana. The frequency of surviving seedling per seed capsule of interspecific hybridization was 4.15. Among them, the frequencies of maternal haploid and hybrid were 1.20 and 2.95, respectively. The chromosome numbers of n=24 for maternal haploid and 2n=47 for hybrid were identified in surviving seedling from interspecific hybridiztion. Except the chromosome number, distinguishable morphological differences of material haploid from hybrid were observed at seedling stage.

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Healing Performance of Concrete Containing Hybrid Self-healing Materials (하이브리드 자기치유 소재를 혼입한 콘크리트의 치유성능)

  • Mih-ho, Hwang;Hyuk, Kwon;Hyung-Suk, Kim;Sung, Choi;Kwang-Myong, Lee
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.10 no.4
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    • pp.569-576
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    • 2022
  • In this study, the healing performance of hybrid self-healing concrete was investigated by mixing bacterial pellets(BP) and solid phase capsules(SC), respectively, based on organic-inorganic self-healing material(MC). Constant water head permeability test was applied as a method of evaluating the healing performance, and the healing rate and the healed crack width calculated by the equivalent crack width were used as evaluation indicies. As a result of the water permeability test, when the initial crack width was 0.3 mm, the healing rates of MC-BP and MC-SC were 2.1~3.0 %pt higher than that of MC, and the healed crack width of hybrid concrete increased by 0.017~0.018 mm. In conclusion, it was found that the self-healing performance was not significantly improved even if the two types of healing materials are used together.

Speciation of Viola albida var. takahashii based on both artificial and natural hybridization between V. albida var. albida and V. albida var. chaerophylloides

  • Songhee AHN;Sung Soo WHANG
    • Korean Journal of Plant Taxonomy
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    • v.52 no.4
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    • pp.226-234
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    • 2022
  • The study aims are to examine the characteristics of artificial and natural hybrids between Viola albida var. albida (= albida, from below) and V. albida var. chaerophylloides (= chaerophylloides, from below), and to confirm if hybrids could be fertile and make populations in their native habitats. The 1st filial (= F1, from below) leaf shape produced by artificial crossing between albida and chaerophylloides was the same as that of V. albida var. takahashii (= takahashii, from below), and F1 bore also both chasmogamous and cleistogamous flowers. F1 seed number was 9.6 per cleistogamous pods, which was remarkably less than the average of 38.2 for albida and chaerophylloides, but the germination rate was all similar. The leaf type of self-crossed 2nd offsprings (= F2, from below) showed all leaf types found in the Viola albida complex, but the ratio of chaerophylloides leaf type was relatively low. Individuals whose F2 leaf type was restored to albida produced an average of 31.4 seeds per capsule, meaning that fertility was restored. On the other hand, individuals of F2 takahashii leaf type come to fruition a low average of 10.4 seeds per capsule, which is similar to that of takahashii. The results of crossbreeding experiment, where is their native habitats, were similar to that of laboratory. Both albida and chaerophylloids in Mt. Bulmyeong distribute extensively, but takahashii make a small population only in places where albida and chaerophylloides grow together. Summarizing the above results is suggesting that the speciation of takahashii was done by hybrid between albida and chaerophylloides, and these have been maintained with relatively small population by cleistogamous capsules.

Lilium longiflorum 'Charm' as a F1 Hybrid for Pot Plant (종자번식 일대잡종 분화용 나팔나리(Lilium longiflorum) 'Charm' 육성)

  • Song, Cheon Young
    • FLOWER RESEARCH JOURNAL
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    • v.16 no.4
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    • pp.304-308
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    • 2008
  • Lilium longiflorum 'Charm' as a $F_1$ hybrid cultivar was released by crossing inbred line '$L_2$-14' and '$L_2$-21' which were obtained from 5 self crosses originated from 'Nellie White', 'Ace' and 'Hinomoto'. The growth and flowering characteristics were evaluated in a greenhouse maintained at a minimum of $13^{\circ}C$ at night during winter in 2006 and 2007. The flower of 'Charm' is white color and horizontal-facing. The flower number of a plant and its diameter is 7.4 and 16.5 cm with 24.5 ornamental(flowering) days. The plant height is 60.3 cm with 70.3 number of leaves. The stem diameter and internode length is 1.2 cm and 1.1 cm, respectively, meaning the plant is compact and sturdy. And the number of seed per a capsule is 251.1. The results of these evaluation, therefore, suggest that seedling Lilium longiflorum 'Charm' can be used as a pot plant due to its short stems, many number of flowers per plant, long ornamental period, strong growth habit with many leaves and thick stem diameter.