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Using digital image processing for counting whiteflies on soybean leaves
Jayme Garcia Arnal Barbedo 한국응용곤충학회 2014 Journal of Asia-Pacific Entomology Vol.17 No.4
This paper presents a new system, based on digital image processing, to quantify whiteflies on soybean leaves. This approach allows counting to be fully automated, considerably speeding up the process in comparisonwith the manual approach. The proposed algorithm is capable of detecting and quantifying not only adultwhiteflies,but also specimens in the nymph stage. A complete performance evaluation is presented, with emphasis onthe conditions and situations for which the algorithm succeeds, and also on the circumstances that need furtherwork. Although this proposal was entirely developed using soybean leaves, it can be easily extended to otherkinds of crops with little or no changes in the algorithm. The systememploys only widely used image processingoperations, so it can be easily implemented in any image processing software package.
( Cristina Jayme Montiel ) 부산외국어대학교 아세안연구원 2015 Suvannabhumi Vol.7 No.2
Southeast Asia has been a showcase for democratic transitions in the past 30 years. This paper proposes a conceptual lens for studying political shifts in the Southeast Asian region. The argumentative storyline follows two fundamental propositions about democratic transitions. My first proposition is that during democratic transitions, human phenomena arise on nested analytical layers namely the global arena, the state, prodemocracy movements, and individuals. Each layer is conventionally studied by international relations, political science, sociology, and psychology respectively. I propose a multidisciplinary lens that transverses all these analytical layers. A second proposition is that during political shifts, social conditions are historically-situated. Historicity is anchored on stages of democratization, namely the authoritarian regime, toppling the regime, power shift, state building, and nation building. This paper describes a 4 x 5 matrix (analytical layer x historical stage) that may guide a regional agenda on the empirical study of democratic transitions in the Southeast Asian region. It likewise gives examples of research findings in Philippine-based studies that have already begun to provide empirical data about segments of this research matrix.
The Bounce-Back Effect: Checkmating Competitors with the Cold Hand
Nodir Adilov,Heather L.R. Tierney,Jayme V. Gerring,Tao Yu 사람과세계경영학회 2022 Global Business and Finance Review Vol.27 No.6
Purpose: The paper investigates the effect of winning performance streaks (the hot hand) and losing performance streaks (the cold hand) on future performance. Performance streaks have many implications in business settings, such as selecting stocks, hedge fund performance, employee performance, introducing new products, and business strategy. Design/methodology/approach: The paper empirically analyzes the effects of performance steaks. It uses data from world blitz chess championships. Findings: Contrary to some studies in competitive sports, the empirical analysis supports neither the hot hand nor the cold hand hypothesis. Instead, a new effect is discovered; performance increases following a loss. We term this effect to be the bounce-back effect. Research limitation/implications: Future research may conduct field experiments to investigate which business environments are likely to generate this effect. Similar to other studies on performance streaks, the analysis does not control for motivation. Future research may also analyze the role of motivation for performance. Originality/value: The paper identifies a new effect previously not investigated in the literature. In addition, the paper contributes to this literature by looking into competitive blitz chess, where psychological factors are more important than physiological factors. If the bounce-back effect holds more generally in other settings, it might have implications for predicting the performance of employees in competitive business environments.
Pediatric Liver Transplantation: Caregivers' Quality of Life
Tavares, Ana Paula Bastos,Seixas, Lucas Belem Pessoa de Melo Guerra,Jayme, Caren Lopes Wanderlei,Porta, Gilda,Seixas, Renata Belem Pessoa de Melo,Carvalho, Elisa de The Korean Society of Pediatric Gastroenterology 2022 Pediatric gastroenterology, hepatology & nutrition Vol.25 No.6
Purpose: The survival rate of pediatric patients undergoing liver transplantation has increased considerably. Despite this, the period after transplantation is still complex and poses several challenges to the recipient's family, which is responsible for care management. Recently, more attention has been paid to the impact of this complex procedure on the quality of life of caregivers. Hence, this study is aimed at assessing the quality of life of caregivers of patients who have undergone liver transplantation and the aspects that influence it. Methods: This was an observational and cross-sectional study. From November 2020 to January 2021, short-form-36 questionnaires and additional questions were given to the main caregivers of children and adolescents who underwent pediatric liver transplantation. Results: Thirty-eight questionnaires were completed and the results revealed a lower quality of life in comparison to Brazilian standards, primarily in the mental domains (41.8±14.1 vs. 51.1±2.8; p<0.001). It did not show a significant association with socioeconomic or transplant-related factors, but it did show a negative impact on parents' perception of the child's health. Parents who reported worse health status for their children had a lower mental quality of life (44.1±13.8 vs. 33.3±12.6; p<0.05). Conclusion: The caregivers of transplanted children have a lower quality of life than those of the local population. Psychological assistance should be routinely provided to parents for long-term follow-up to mitigate potential negative effects on the transplanted child's care.
Suppression of two tungro viruses in rice by separable traits originating from cultivar Utri Merah.
Encabo, Jaymee R,Cabauatan, Pepito Q,Cabunagan, Rogelio C,Satoh, Kouji,Lee, Jong-Hee,Kwak, Do-Yeon,De Leon, Teresa B,Macalalad, Reena Jesusa A,Kondoh, Hiroaki,Kikuchi, Shoshi,Choi, Il-Ryong APS Press 2009 Molecular plant-microbe interactions Vol.22 No.10
<P>Rice tungro disease (RTD) is caused by Rice tungro spherical virus (RTSV) and Rice tungro bacilliform virus (RTBV) transmitted by green leafhoppers. Rice cv. Utri Merah is highly resistant to RTD. To define the RTD resistance of Utri Merah, near-isogenic lines (NIL, BC(5) or BC(6)) developed from Utri Merah and susceptible cv. Taichung Native 1 (TN1) were evaluated for reactions to RTSV and RTBV. TW16 is an NIL (BC(5)) resistant to RTD. RTBV was able to infect both TN1 and TW16 but the levels of RTBV were usually significantly lower in TW16 than in TN1. Infection of RTSV was confirmed in TN1 by a serological test but not in TW16. However, the global gene-expression pattern in an RTSV-resistant NIL (BC(6)), TW16-69, inoculated with RTSV indicated that RTSV can also infect the resistant NIL. Infection of RTSV in TW16 was later confirmed by reverse-transcription polymerase chain reaction but the level of RTSV was considerably lower in TW16 than in TN1. Examination for virus accumulation in another NIL (BC(6)), TW16-1029, indicated that all plants of TW16-1029 were resistant to RTSV, whereas the resistance to RTBV and symptom severity were segregating among the individual plants of TW16-1029. Collectively, these results suggest that RTD resistance of Utri Merah involves suppression of interacting RTSV and RTBV but the suppression trait for RTSV and for RTBV is inherited separately.</P>