• Title/Summary/Keyword: organ recognition

Search Result 48, Processing Time 0.029 seconds

Study on Radiation dose in according to Magnification's rate in fluoroscopy (투시 조영 검사 시 확대율에 따른 피폭선량에 관한 고찰)

  • Kang, Kyeong-Mi;Hong, Seon-Sook;Seong, Min-Sook;Song, Woon Heung
    • Korean Journal of Digital Imaging in Medicine
    • /
    • v.15 no.2
    • /
    • pp.39-44
    • /
    • 2013
  • Purpose : The purpose of this study is the magnification rates depending on the area of patient dose (DAP) and glass dosimeter see the change of the dose according to the dose characteristics of low-magnification aims to raise standards. Materials and Method : Direct DR equipment Sonialvision DAR-8000f, Shimadzu was used, the patient entrance dose measurements to the surface of the Rando Phantom of the neck and the abdomen was placed on the Xi unfors. glass dosimeter for measuring organ doses at the same time the Rando Phantom of the major organs in place by inserting a 9 ", 12", 15 ", 17" and 30 seconds for each magnification were measured according in fluoroscopy. DAP meter area of the patient dose was measured. Result : Esophagography at 17" 143% than 9"magnification the average area dose was increased. Organ dose of Esophagography at 17" was decreased 25.32% than 9" magnification. UGI at 17" was increased 129.73% DAP than 9" magnification. Organ dose of UGI at 17" was decreased 23.32% than 9" magnification. Where the major organs of magnification at 17" were decreased(lung -25.96%, stomach -33.09%, spleen -27.81%, liver -4.92%) than 9" magnification. Conclusion : Expected to get better quality image While using the proper magnification, and have recognition that difference Organ doses and DAP meter in fluoroscopy.

  • PDF

Human-Computer Interaction Survey for Intelligent Robot (지능형 로봇을 위한 인간-컴퓨터 상호작용(HCI) 연구동향)

  • Hong, Seok-Ju;Lee, Chil-Woo
    • Proceedings of the Korea Contents Association Conference
    • /
    • 2006.11a
    • /
    • pp.507-511
    • /
    • 2006
  • Intelligent robot is defined as a system that it judges autonomously based on sensory organ of sight, hearing etc.. analogously with human. Human communicates using nonverbal means such as gesture in addition to language. If robot understands such nonverbal communication means, robot may become familiar with human . HCI (Human Computer Interaction) technologies are studied vigorously including face recognition and gesture recognition, but they are many problems that must be solved in real conditions. In this paper, we introduce the importance of contents and give application example of technology stressed on the recent research result about gesture recognition technology as one of most natural communication method with human.

  • PDF

Recognition of Disease in Medical Image (의료영상의 질환인식)

  • 신승수;이상복;조용환
    • The Journal of the Korea Contents Association
    • /
    • v.1 no.1
    • /
    • pp.8-14
    • /
    • 2001
  • In this paper, we suggests a algorithms of recognizing the disease region by extracting particular organ from medical image. This method can extract liver region in spite of input image including many organs and charged format by using multi-threshold of feed-back-structure for segmentation liver region, and suggest the recognition of disease region in extracted liver, using multi-neural network structured by RBF and BP, overcoming the defect of single-neural network. The algorithm in this paper is proficient in adaptation for a multi form change of input medical image. This algorithm can be used at tole-medicine through automatic recognition after recognizing of the disease region by real-tire medical Image.

  • PDF

Recognition Process and Effects of Fragrance(aroma) in Oriental Medicine (한의학에서 바라본 향의 인지 과정과 인체 작용)

  • Uhm, Ji-Tae;Kim, Kyoung-Shin;Kim, Byoung-Soo
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.24 no.6
    • /
    • pp.935-941
    • /
    • 2010
  • Fragrance(aroma) have many effects on body. Recently, aromatherapy was used to treat dementia, atopicdermatitis, alopecia areata, perineal disease, lymphatichydrops, and articularrheumatism. And people are interested in physical and mental effects of aroma, especially in mental. People empirically have been known the effects of aroma on soul and used aroma in life from long ago. They have had a meditation and had a sacrificial rites burning incense. Scholars also burned incense when reading books or tasting tea. Until now, there is no physiological study about recognition process and effects of aroma on body, but only many clinical studies using aromatherapy. Fragrance(aroma) is different from smell and good flavors of herbs. And it goes through nose and has effects on body in harmony on So-mun(素問). Also flavors of herbs are spreaded ki of herbs and have many effects on body. Aroma coming through the nose is recognized by co-operation of five-viscera(五臟), especially heart and lung. The nose and pectoral qi(宗氣) are related with lung. The lung opens into the nose, reflect its physiological and pathological conditions. Pectoral qi(宗氣) is the combination of the essential qi derived from food with the air inhaled, stored in the chest, and serving as the dynamic force of blood circulation, respiration, voice, and bodily movements. Because of the heart-spirit(心神), Heart is the organ can recognize the aroma, although the nose is the first organ of receiving aroma. Five spirits(五神: ethereal soul(魂), spirit(神), ideation(意), corporeal soul(魄), will(志)) and seven emotions(七情: joy(喜), anger(怒), anxiety(憂), thought(思), sorrow(悲), fear(恐), fright(驚)) are rerated with five-viscera(五臟) and essence-spirit (精神) processing steps and express of emotions. And aroma effects on five-viscera(五臟). So aroma have many effects on body, especially mentally.

A Non-invasive Real-time Respiratory Organ Motion Tracking System for Image Guided Radio-Therapy (IGRT를 위한 비침습적인 호흡에 의한 장기 움직임 실시간 추적시스템)

  • Kim, Yoon-Jong;Yoon, Uei-Joong
    • Journal of Biomedical Engineering Research
    • /
    • v.28 no.5
    • /
    • pp.676-683
    • /
    • 2007
  • A non-invasive respiratory gated radiotherapy system like those based on external anatomic motion gives better comfortableness to patients than invasive system on treatment. However, higher correlation between the external and internal anatomic motion is required to increase the effectiveness of non-invasive respiratory gated radiotherapy. Both of invasive and non-invasive methods need to track the internal anatomy with the higher precision and rapid response. Especially, the non-invasive method has more difficulty to track the target position successively because of using only image processing. So we developed the system to track the motion for a non-invasive respiratory gated system to accurately find the dynamic position of internal structures such as the diaphragm and tumor. The respiratory organ motion tracking apparatus consists of an image capture board, a fluoroscopy system and a processing computer. After the image board grabs the motion of internal anatomy through the fluoroscopy system, the computer acquires the organ motion tracking data by image processing without any additional physical markers. The patients breathe freely without any forced breath control and coaching, when this experiment was performed. The developed pattern-recognition software could extract the target motion signal in real-time from the acquired fluoroscopic images. The range of mean deviations between the real and acquired target positions was measured for some sample structures in an anatomical model phantom. The mean and max deviation between the real and acquired positions were less than 1mm and 2mm respectively with the standardized movement using a moving stage and an anatomical model phantom. Under the real human body, the mean and maximum distance of the peak to trough was measured 23.5mm and 55.1mm respectively for 13 patients' diaphragm motion. The acquired respiration profile showed that human expiration period was longer than the inspiration period. The above results could be applied to respiratory-gated radiotherapy.

Attitude on Nursing Ethical Values and on Brain Death Organ Donation of Hospital Nurses (병원간호사의 간호윤리 가치관 및 뇌사자 장기기증에 대한 태도에 관한 연구)

  • Kim, Ye-Jean;Lee, Myung-Nam
    • The Journal of the Korea Contents Association
    • /
    • v.11 no.10
    • /
    • pp.312-323
    • /
    • 2011
  • The purpose of this study was necessary to increase certainty of nursing ethical value and recognition of organs donation in the nurses. Multiple programs are consistently need to educate nursing ethical value. The subjects were 222 nurses in a hospital. Data collection was carried out for seventeen days from 14th January 2011, using a structured questionnaire. The data were analyzed using SPSS program. The mean score of nursing ethical value was $3.22{\pm}0.38$ points. The mean score toward organ donation in brain dead donors was $3.34{\pm}0.48$ points. Nursing ethical values almost never had a correlation(r=.160) toward organ donation in brain dead donors.

Two Fold Aspects of Mind and the Rise of Cultivation in Xunzi's Thought, treated mainly through Xiūshēnpiān, Jiěbìpiān and Zhèngmíng of his Writings (순자에 보이는 마음의 중층적 양상과 수양 문제의 대두 ­- 「수신편」, 「해폐편」 그리고 「정명편」을 중심으로 ­-)

  • Rhee, Myung-Su
    • (The)Study of the Eastern Classic
    • /
    • no.73
    • /
    • pp.281-302
    • /
    • 2018
  • The role of mind is very important in Xunzi's thought. The way is permanent rule of politics that is under the control of mind which is recognizing organ for both thinking and acknowledging things in his thought. Nevertheless the mind in Xunzi's thought has desire as an organ of body to be controlled. On the other hand, the mind has conflicting two fold aspects in the course of its recognition of things like storage and vacancy, movement and calmness, and two kinds of recognizing opinion against one object. And there are various evils in thinking system of mind. In a sense, the mind of human is to be cleaned and cultivated. Xunzi proposed managing energy and cultivating mind as a thinking system. Mengzi proposed to enliven vast-flowing energy and to cultivate mind through shortening desire, while Xunzi did managing energy and caring about mind for controlling other body systems and publicly recognizing things. In Xunzi's idea the mind in the recognition of things is similar to the water in bowl as a mirror for looking at any things, and thus it is imperative for us to sink grounds in mind for becoming good water mirror. In this need the grounds of human mind would be to be sunk and also the cultivation of it would be to be demanded. Ultimately there should need the recognition of mind that is cleaned and cultivated for brightly discovering the great principle and recovering the unchangeable way with a view to preparing the condition for national peace. This thesis, in this context, to approach the meaning of mind, its two fold aspects, and the necessity of it.

A Study on the Virtual Experience Evaluation(VEE) of Space Design through the Web3D - Focus on the Evaluation Criteria - (Web을 통한 공간설계의 가상체험평가(VEE)에 관한 연구 - 평가기준을 중심으로 -)

  • Lee Sang-Ho;Kim Tae-Hwan
    • Korean Institute of Interior Design Journal
    • /
    • v.14 no.4 s.51
    • /
    • pp.122-133
    • /
    • 2005
  • This study could begin with the improvement of computer graphic technology The graphic technology is the standards of computer technology level and up-to-date technology intensive. Above all, the technology of virtual reality has developed rapidly and the development of the program has changed from professional one only for the experts to easy of access ones for the space designers. Moreover, the program which major internet user's can experience the virtual model has been made, as the development of virtual reality technology that is based on the web. These graphic technology and the development of the web helped to extract human experiences on the space design step. However, to find the meeting point with real recognition is not easy though the virtual reality technology develops. Because the real space is made up of various senses that people feel in their surroundings. But, this study was possible because most of the space recognition is based on the visual organ, even though it can't satisfy all sensible factors that we feel in reality. Therefore, the significant of this study is the standards and criteria of evaluation, the technological proposal, expecting to make more advanced alternative design than before.

A Study on Radio-Protection Mechanism of Platelet Cells After Injection of Alliin (알리인 투여 후 혈소판의 방사선 방어기전 연구)

  • Ji, Tae-Jeong
    • Journal of radiological science and technology
    • /
    • v.33 no.3
    • /
    • pp.185-192
    • /
    • 2010
  • Platelets originating from Megakaryocyte are sensitive to radiation along with white blood cells, and thus these platelets are used as an index of radiation hazard as they decrease in advance. Thus, when there is a scarcity of platelets, dot hemorrhage occurs and it leads to decrease of blood corpuscle and a decline in immunity. In particular, when 4~6 Gy whole body irradiation is received, after three weeks, the platelets will decrease to the lowest level, which can be a cause of death by bleeding and anemia. Therefore, this study tried to identify the mechanism of platelet damage and protection effect. The protection substance used in the experiment is Alliin, which is a component of garlic, and it was observed by an Transmission Electron Microscope(TEM) after its injection to the rat's tail vein. In the study, it was found that the cell membrane was severely damaged in a 10-day progressed platelet organ after receiving 5 Gy irradiation. It billowed as balloon-like figure and the glycocalyx became hyperplasia. The minute organ was damaged to the point that it was beyond recognition in a 20-day progressed platelet organ after receiving irradiation, and the cytoplasmic contents were exposed to epilepsy parts and outrageously damaged. Furthermore, the form of granules could also not be observed. A hole was formed in the middle, and the damaged organ was found in a 30-day progressed platelet. However, the form of granules was consistently maintained in the experiment group injecting Alliin, as with the control group, and there was no damage to the cell membrane recognized. Thus, it was possible to verify the effectiveness of radiation protection of the platelet when Alliin was injected to the blood vessel.

Iatrogenic Ureteral Injury: When and How to Treat? (의인성 요관손상: 언제, 어떻게 치료할 것인가?)

  • Seo, Kang Il;Lee, Jong Bouk
    • Journal of Trauma and Injury
    • /
    • v.21 no.1
    • /
    • pp.8-14
    • /
    • 2008
  • Iatrogenic ureteral injury is a complication that can occur during a variety of pelvic or abdominal surgeries. The most frequent causes are gynecological ones, followed by colon and vascular surgeries. Management of ureteric injury depends on the time of diagnosis and the severity of organ damage. Injuries diagnosed intraoperatively should be treated immediately. Occasionally, intraoperative ureteral injury is overlooked, and symptoms of the late diagnosis of ureteral injury are usually nonspecific; therefore, the diagnosis is delayed for days or weeks postoperatively. Management of injuries diagnosed postoperatively is more complex. There are differing opinions on whether an initial conservative or immediate operative intervention is the best line of action. Delayed repair is suggested on the grounds that it will reduce inflammation and tissue edema. However, many authors are in favor of early repair, perhaps because tissue planes are easier to find before fibrosis becomes too dense. Ureteral injuries occurring at the level of the pelvic brim should be best managed with an end-to-end anastomosis, preferably around a ureteric stent. More distal injuries also should be ideally managed with an end-to-end anastomosis, after excision of the crushed or compromised segments. However, if the remaining distal segment is short, ureteral reimplantation is the procedure of choice. The Boari flap technique for ureteral reimplantation is invaluable in cases with a short proximal segment. Delayed recognition of iatrogenic ureteral injury may be associated with serious complications, so prompt recognition of ureteral injuries is important. Recognition of the injury before closure is the key to easy, successful, and complications-free repair. Increased awareness of the risk for ureteral damage during certain operative maneuvers is vital to prevent injury, and to decrease the incidence of iatrogenic injury. A sound knowledge of abdominal and pelvic anatomy is the best prevention.