Journal of the Institute of Convergence Signal Processing
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v.11
no.4
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pp.289-297
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2010
In this paper, A method to prevent the external acoustic noise from being misrecognized as the speech recognition object is presented in the speech activity detection process for the speech recognition. Also this paper confirmed besides the acoustic energy to the lip movement image signals. First of all, the successive images are obtained through the image camera for personal computer and the lip movement whether or not is discriminated. The next, the lip movement image signal data is stored in the shared memory and shares with the speech recognition process. In the mean time, the acoustic energy whether or not by the utterance of a speaker is verified by confirming data stored in the shared memory in the speech activity detection process which is the preprocess phase of the speech recognition. Finally, as a experimental result of linking the speech recognition processor and the image processor, it is confirmed to be normal progression to the output of the speech recognition result if face to the image camera and speak. On the other hand, it is confirmed not to the output the result of the speech recognition if does not face to the image camera and speak. Also, the initial feature values under off-line are replaced by them. Similarly, the initial template image captured while off-line is replaced with a template image captured under on-line, so the discrimination of the lip movement image tracking is raised. An image processing test bed was implemented to confirm the lip movement image tracking process visually and to analyze the related parameters on a real-time basis. As a result of linking the speech and image processing system, the interworking rate shows 99.3% in the various illumination environments.
Pneumoconiosis is one of the major problem in the field of occupational health at Korea. Therefore, the efficient diagnosis of pneumoconiosis is a hot issue on the occupational health program. The author executed this study to estimate the diagnostic value of high resolution computed tomography(HRCT) compared with chest radiography for screening of welder's lung. HRCT was introduced very recently for the diagnosis of pneumoconiosis, however, the diagnostic value for screening of welder's lung - principally nonfibrogenic and reversible - has not been evaluated. The subjects were fifty cases of welder's lung or suspected cases who had been collected between 1989 and 1994 from one shipyard and continuously followed-up on the basis of in-plant periodic health check program. We applied both chest radiography and HRCT on the same subjects from May 1 to 30, 1996. The images were evaluated by two careered radiologists independently. The findings of chest radiography were classified into four category by ILO classification, and the findings of HRCT according to the criteria of Bergin et al. The concordance between two radiologists expressed with Kendall's tau-b was 0.72 by chest radiography and 0.44 by HRCT- that is, interobserver variation of HRCT was bigger than that of chest radiography. The concordance between the two different methods was highly variable as 0.44 by radiologist A and 0.06 by radiologist B - that is, interobserver variation was very big. However, HRCT looked more detectable for the minor parenchymal change. These findings suggested that it is not appropriate to use HRCT routinely for screening of welder's lung due to lack of diagnostic criteria, and feasibility, acceptability and economic aspects. Nevertheless, HRCT might be recommendable in the case of equivocal parenchymal features on the chest radiography, unexplained respiratory symptoms, and/or lung function abnormalities suggestive of interstitial fibrosis.
The production and application of multimedia by domain in accordance with an infant level on the educational spot are some what insufficient to satisfy and difficult to be connected with class activities. Therefore, This essay proposes a way that it products educational program in accordance with a child level using ToolBook II and applies to class activities directly so that the infants can promote learning achievement. The embodied program is to be classified into six domains, a letter world, a figure world, a colorful world, a nursery rhyme world, a nursery tale world and internet site, on the basis of the play domain of infant education course. It is different from the existing CD ROM Title for young children by subject. The program is appropriately applied close multimedia factor for infants, such as images and sounds in order to stimulate their hearing and vision because it is programmed just for young children. And also, it is made up to be able to be applied without suing letters because they are unaccustomed to letter. After it have been applied to infants, A Rating-measure method is chosen in the course of an evaluation. Consequently, It shows that, a letter world, a figure world and a colorful world of each domain have an efficient learning effect and also at the ages of 5~7, 7 year-old infants have the best efficient learning effect.
Kim, Ji-Yoon;Lee, Seung-Chul;Cheon, Geum-Seong;Kim, Young-Jae
Journal of the Korean Society of Radiology
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v.15
no.5
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pp.723-730
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2021
This study tries to compare dose distribution between arc radiation therapy and Tomotherapy, which are main radiation therapy modalities. The subjects of this study are lung cancer patients. For planning target volume (PTV), a dose of 60.0 Gy was set as a basis. The PTVmean of Arc was 61.04 Gy, and that of Tomotherapy was 58.50 Gy. The total lung capacities of Arc and Tomotherapy were 3.0 Gy and 4.24 Gy, respectively. The mean heart doses of Arc and Tomotherapy were 0.13 and 0.34, respectively; the mean trachea dose of Arc and Tomotherapy were 1.35 and 2.58, respectively; the mean esophagus dose of Arc and Tomotherapy were 0.41 and 0.86, respectively; the mean spinal cord dose of Arc and Tomotherapy were 3.65 and 4.68, respectively. With regard to the appropriateness of therapeutic effect in DHV, both modalities seemed appropriate. Tomotherapy protected normal tissues better than Arc radiation therapy. In Tomotherapy, patients need to have treatment long in a limited space. If such a point is overcome, Tomotherapy is better. Otherwise, Arc radiation therapy can be applied. This study was conducted with treatment planning images. Therefore, the results of this study are different from actual treatment results. If more research is conducted to overcome the limitation, the effects of radiation therapy are expected to increase further.
According to "Jinjak-yigwe(進爵儀軌)", a special banquet was held at Yungyungdang(演慶堂, a kind of royal theatre) to celebrate the 40th birthday of Queen Soonwon(純元王后) in 1828. This banquet is famous for the presentation of nineteen new Jungjae(呈才) repertoires that the Crown Prince Hyomyung(孝明) created. In order to explore the theoretical basis for the reproduction and presentation of Yungyungdang(演慶堂) Jinjak(進爵, a type of royal banquets), in this article, the imagination and experience of the presentation of Yungyungdang Jinjak are pursued, while focussing on audience's reception. In Yungyungdang Jinjak, King Soonjo(純祖), Queen Soonwon and the prince were the special audience; they participated in the procedure of Ye(禮, etiquette of ceremony) and also were considered as the characters of certain repertoire of Jungjae. Hyomyung arranged the spectacles from the myths of Taoist gods and immortal hermits, as well as historic episodes of the past emperors' elegant tastes of music. These mythic and historic images lead the audience toward the imagination and experience on the transcendental world. Hyomyung, managing the administration as the representative of King Soonjo, tried to show absolute royal authority through the splendid performances of Yungyungdang Jinjak, so as to overcome the politicaly difficult situation. He set up the sacred world for his father King Soonjo, distinct from the secular ordinary world, and emphasized his position as the bridge between the two sides. He expressed his filial duty through the devotion of performing arts to display absolute royal authority.
The Journal of Korea Institute of Information, Electronics, and Communication Technology
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v.12
no.3
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pp.179-185
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2019
This paper proposes a block-type classification based image binarization for the implementation of the low-power feature extraction algorithm. The proposed method can be implemented with threshold value re-use technique approach when the image divided into $64{\times}64$ macro blocks size and calculating the threshold value for each block type only once. The algorithm is validated based on quantitative results that only a threshold value change rate of up to 9% occurs within the same image/block type. Existing algorithms should compute the threshold value for 64 blocks when the macro block is divided by $64{\times}64$ on the basis of $512{\times}512$ images, but all suggestions can be made only once for best cases where the same block type is printed, and for the remaining 63 blocks, the adaptive threshold calculation can be reduced by only performing a block type classification process. The threshold calculation operation is performed five times when all block types occur, and only the block type separation process can be performed for the remaining 59 blocks, so 93% adaptive threshold calculation operation can be reduced.
Lee, Hee Young;Lee, Jung Hun;Jeon, Hyeok Jin;Kim, Ho Jung;Kim, Sang Chul;Youn, Young Han;Lee, Kang Hyun
Journal of Auto-vehicle Safety Association
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v.10
no.4
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pp.7-12
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2018
Injury mechanisms of lower extremity injuries in motor vehicle accidents are focused on fractures, sprains, and contusions. The purpose of this study is to evaluate the analysis of lower extremity injury mechanism in occupant motor vehicle accident by using Hospital Information System (HIS) and reconstruction program, based on the materials related to motor vehicle accidents. Among patients who visited the emergency department of Wonju Severance Christian Hospital due to motor vehicle accidents from August 2012 to February 2014, we collected data on patients with agreement for taking the damaged vehicle's photos. After obtaining the verbal consent from the patient, we asked about the cause of the accident, information on vehicle involved in the accident, and the location of car repair shop. The photos of the damaged vehicle were taken on the basis of front, rear, left side and right side. Damage to the vehicle was presented using the CDC code by analytical study of photo-images of the damaged vehicle, and a trauma score was used for medical examination of the severity of the patient's injury. Among the 1,699 patients due to motor vehicle crashes, 88 (5.2%) received a diagnosis of lower extremity fracture and 141 (8.3%) were the severe who had ISS over 15. Nevertheless during 19 months for research, it was difficult to build up in-depth database about motor vehicle crashes. It has a limitation on collecting data because not only the system for constructing database about motor vehicle crash is not organized but also the process for demanding materials is not available due to prevention of personal information. For accurate analysis of the relationship between occupant injury and vehicle damage in motor vehicle crashes, build-up of an in-depth database through carrying out various policies for motor vehicle crashes is necessary for sure.
Recently, Disk array is widely used as a long term storage device in PACS, but reliability is not enough in relation to annual failure rate of disk. Between October 2016 and February 2017, we scanned the serial port of the hard disk while reading or storing medical images on a PACS reader. The data rate was calculated from the data stored in HDD 99ea that were used in the PCAS image storage device and in HDD 101ea that were used in the Personal Computer. When a CT image was read from a PACS reader, Reading was 87.8% and Writing was 12.2% in units of several tens of megabytes or less. When the CT image was stored in the PACS reader, Reading was 11.4% and Writing was 88.6% in units of several tens of megabytes or less. While reading the excel file on the personal computer, Reading was 75% and Writing was 25% in less than 3 MB, and In the process of storing the excel file on the personal computer, Reading was carried out by 38% and Writing was carreid out 62% in the units of 3 MB or less. The transfer rate of the hard disk used in the PACS image storage device was 10 GB/h, and the transfer rate per hour of the hard disk of the personal computer was 5 GB / h. Annual failure rate of hard disk of image storage system is 0.97 ~ 1.13%, Annual failure rate of Hard Disk of personal computer is 0.97 ~ 1.13%. the higher transfer rate is, the higher annual failure rate is. These results will be used as a basis for predicting the life expectancy of the hard disk and the annual failure rate.
Currently, in China, mobile live broadcasts are more popular compared to online live broadcasts. Accordingly, this research focused on Wanghong, SNS's flagship live broadcasting app. In other words, Wanghong refers to an internet celebrity who acts online on social network services (SNS) influencing many other people. This study specifically focused on one social network service and conducted a study on live app users. The study first analyzed the quality factors of an SNS to users using China's live app. Secondly, the research investigated in finding out the impact of quality on the satisfaction of live app users and how this affects the live app user's satisfaction on their intention of continuous use. Studies have shown that information quality, system quality, and social quality among SNS quality have a positive influence on live app user satisfaction. However, the quality of service and the quality of emotion was rejected by the hypothesis. Throughout this study, we hope to create an app that allows users to share more satisfying mobile images, thereby establishing various episodes holding beautiful places of their life on a real-time basis. It is hoped that live broadcasting businesses will spread a significant impact around the world. Finally, in the future, research on the study of collective comparison between Korea and China on SNS is believed to be meaningful.
In the late Joseon Dynasty, ideas in folk religions were closely related to Daoist themes. There were, for instance, folk ideas centered on Prophecies of Jeong Gam (鄭鑑錄 jeonggamrok) that developed into 'raising island-armies (海島起兵說 hado gibyeongseol),' the future utopian movement known as the 'South Joseon Faith (南朝鮮信仰 namjoseon sinang),' and faith around 'Maitreya's Descensionist-Birth (彌勒下生 mireuk hasaeng).' People aimed to transform their country based on these ideas. Associated folklore tended to come from fengshui (風水) and books on prophecies and divination (圖讖 docham), and both of these drew heavily upon Daoist concepts. On the other hand, Daoist texts began being translated as national projects under King Cheoljong (哲宗), and many more were translated and published later under King Gojong (高宗). The nature of these Daoist texts mostly consisted of either morality books (善書 seonseo) or precious scrolls (寶卷 bogeon). The problem was that these ordinances and the Daoist texts of regents were among the main causes of civil war during the Qing Dynasty. In this regard, the translation of the Daoist texts conducted as a national project provided a theoretical basis for the people wishing to foment civil war or transformation. This raises the question of why King Gojong implemented a Daoist translation project in his nation. In an effort to answer this question, this article summarizes the popular ideas of the late Joseon Dynasty and explains how they were closely related to Daoism. In addition, this article summarizes the facts about how Daoism has emerged from a national crisis but developed a function of protecting the state (鎭護) in Korean history. Further described is the situation under which Daoism was summoned during the Japanese Invasion of Joseon (壬辰倭亂). Analysis is provided to show that King Gojong's intention was to translate Daoism due to Daoism's role in protecting the state. In addition, the relationship between current Daoist rites and customs in Korea and King Gojong's dissemination of Daoist oaths and vouchers is confirmed.
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