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Finger-Pointing Gesture Analysis for Slide Presentation
Harika, Maisevli,Setijadi P, Ary,Hindersah, Hilwadi,Sin, Bong-Kee Korea Multimedia Society 2016 멀티미디어학회논문지 Vol.19 No.8
This paper presents a method for computer-assisted slide presentation using vision-based gesture recognition. The proposed method consists of a sequence of steps, first detecting a hand in the scene of projector beam, then estimating the smooth trajectory of a hand or a pointing finger using Kalman Filter, and finally interfacing to an application system. Additional slide navigation control includes moving back and forth the pages of the presentation. The proposed method is to help speakers for an effective presentation with natural improved interaction with the computer. In particular, the proposed method of using finger pointing is believed to be more effective than using a laser pointer since the hand, the pointing or finger are more visible and thus can better grab the attention of the audience.
Finger-Pointing Gesture Analysis for Slide Presentation
Maisevli Harika,Ary Setijadi Prihatmanto,Hilwadi Hindersah,신봉기 한국멀티미디어학회 2016 멀티미디어학회논문지 Vol.19 No.8
This paper presents a method for computer-assisted slide presentation using vision-based gesture recognition. The proposed method consists of a sequence of steps, first detecting a hand in the scene of projector beam, then estimating the smooth trajectory of a hand or a pointing finger using Kalman Filter, and finally interfacing to an application system. Additional slide navigation control includes moving back and forth the pages of the presentation. The proposed method is to help speakers for an effective presentation with natural improved interaction with the computer. In particular, the proposed method of using finger pointing is believed to be more effective than using a laser pointer since the hand, the pointing or finger are more visible and thus can better grab the attention of the audience.
Finger -Pointing Gestur e Analysis for Slide Presentation
Maisevli Harika,Ary Setijadi Prihatmanto,Hilwadi Hindersah,Bong-Kee Sin 한국멀티미디어학회 2016 멀티미디어학회논문지 Vol.19 No.8
This paper presents a method for computer-assisted slide presentation using vision-based gesture recognition. The proposed method consists of a sequence of steps, first detecting a hand in the scene of projector beam, then estimating the smooth trajectory of a hand or a pointing finger using Kalman Filter, and finally interfacing to an application system. Additional slide navigation control includes moving back and forth the pages of the presentation. The proposed method is to help speakers for an effective presentation with natural improved interaction with the computer. In particular, the proposed method of using finger pointing is believed to be more effective than using a laser pointer since the hand, the pointing or finger are more visible and thus can better grab the attention of the audience.
Quality Based Solution for Adaptable and Scalable Access Control in Cloud Computing
A. Varalakshmi Harika,Haleema P. K.,R. Jaya subalakshmi,N. Ch. S. N. Iyengar 보안공학연구지원센터 2014 International Journal of Grid and Distributed Comp Vol.7 No.6
Cloud Computing Environment, the data presides over a set of networked resources and these data centers may be located in any part of the world and access of the data provided through Internet. Cloud computing facilitates computing assets on demand by the use of a service provider. In the Current Scenario, Security and privacy challenges are facing in this cloud environment. We implement our scheme and show that it is both efficient and flexible in dealing with access control for outsourced data in cloud computing with comprehensive experiments using the technique Hierarchical Attribute Based Encryption to protect data of the users and analyze its performance.
Jalal Faraj,Elias Harika,Mohamed Ramadan,Samer Ali,Fabien Harambat,Mahmoud Khaled 한국자동차공학회 2020 International journal of automotive technology Vol.21 No.3
The present work concerns an experimental study of the aerodynamic drag on a simplified vehicle body in relation to the underhood architecture, especially the engine block and cooling module positions. To proceed, measurements are carried out in wind tunnel for different geometric configurations. The simplified body includes a real cooling module and a simplified engine block. The measured coefficients concern the aerodynamic drag, the cooling drag and the lift in relation. It was shown that the aerodynamic drag can be reduced up to 1.4 % when the spacing in the vehicle length between the engine block and cooling module is well regulated. According to the results obtained, it was noticed that new configurations could reduce the fuel consumption by up to 0.177 L/100 kms.
Pradyumna Agasthi,Sai Harika Pujari,Farouk Mookadam,Andrew Tseng,Nithin R. Venepally,Panwen Wang,Mohamed Allam,John Sweeney,Mackram Eleid,Floyd David Fortuin,David R. Holmes Jr,Nirat Beohar,Reza Arsan 연세대학교의과대학 2020 Yonsei medical journal Vol.61 No.6
Purpose: Cardiac power (CP) index is a product of mean arterial pressure (MAP) and cardiac output (CO). In aortic stenosis, however, MAP is not reflective of true left ventricular (LV) afterload. We evaluated the utility of a gradient-adjusted CP (GCP) index in predicting survival after transcatheter aortic valve replacement (TAVR), compared to CP alone. Materials and Methods: We included 975 patients who underwent TAVR with 1 year of follow-up. CP was calculated as (CO×MAP)/[451×body surface area (BSA)] (W/m2). GCP was calculated using augmented MAP by adding aortic valve mean gradient (AVMG) to systolic blood pressure (CP1), adding aortic valve maximal instantaneous gradient to systolic blood pressure (CP2), and adding AVMG to MAP (CP3). A multivariate Cox regression analysis was performed adjusting for baseline covariates. Receiver operator curves (ROC) for CP and GCP were calculated to predict survival after TAVR. Results: The mortality rate at 1 year was 16%. The mean age and AVMG of the survivors were 81±9 years and 43±4 mm Hg versus 80±9 years and 42±13 mm Hg in the deceased group. The proportions of female patients were similar in both groups (p=0.7). Both CP and GCP were independently associated with survival at 1 year. The area under ROCs for CP, CP1, CP2, and CP3 were 0.67 [95% confidence interval (CI), 0.62–0.72], 0.65 (95% CI, 0.60–0.70), 0.66 (95% CI, 0.61–0.71), and 0.63 (95% CI 0.58–0.68), respectively. Conclusion: GCP did not improve the accuracy of predicting survival post TAVR at 1 year, compared to CP alone.
Update on Gastrointestinal Stromal Tumors for Radiologists
Sree Harsha Tirumani,Akshay D. Baheti,Harika Tirumani,Ailbhe O’Neill,Jyothi P. Jagannathan 대한영상의학회 2017 Korean Journal of Radiology Vol.18 No.1
The management of gastrointestinal stromal tumors (GISTs) has evolved significantly in the last two decades due to better understanding of their biologic behavior as well as development of molecular targeted therapies. GISTs with exon 11 mutation respond to imatinib whereas GISTs with exon 9 or succinate dehydrogenase subunit mutations do not. Risk stratification models have enabled stratifying GISTs according to risk of recurrence and choosing patients who may benefit from adjuvant therapy. Assessing response to targeted therapies in GIST using conventional response criteria has several potential pitfalls leading to search for alternate response criteria based on changes in tumor attenuation, volume, metabolic and functional parameters. Surveillance of patients with GIST in the adjuvant setting is important for timely detection of recurrences.