• Title/Summary/Keyword: marker match

Search Result 20, Processing Time 0.026 seconds

Usability of 2D/2D Match for Image Guided Radiotherapy (IGRT) of Prostate Cancer with Fiducial Markers (전립선 암 환자의 영상유도 방사선 치료 시 Fiducial Marker를 이용한 2D/2D Match의 유용성에 대한 연구)

  • Bae, Sun-Myung;Yang, Oh-Nam;Song, Heung-Kwon;Back, Geum-Mun
    • The Journal of Korean Society for Radiation Therapy
    • /
    • v.22 no.1
    • /
    • pp.19-24
    • /
    • 2010
  • Purpose: To study the efficacy of marker match with using kilovoltage (KV) X-ray among multiple image guidance that referring tree fiducial marker in radiation therapy for prostate cancer patients. Materials and Methods: KV two-dimantional images (anterior-posterior, right-left) and cone-beam CT volumetric images were acquired after setup for patients with three fiducial markers. Compare the position of the fiducial marker of reference plan computed tomography (CT) and of KV, CBCT images; then decide the shift score of X, Y, and Z. This study executed 5 times on 10 patients and analyzed the shift value. Results: In the radiation therapy using fiducial marker, The function of marker match showed the same direction tendency as the CBCT, and showed X, Y, Z difference of about 0.6, 0.7, and 0.8 (unit: mm). Conclusion: Comparing to this, the result of shift value using 2D marker match showed less than 1.0 mm difference. The function of marker match is considered more useful in time-wise and effective dose rather than CBCT. Therefore, Both methods are used to treat patients for prostate cancer.

  • PDF

Hanwoo individual identification with DNA marker information

  • Lee, Jea-Young;Choi, Yu-Mi
    • Journal of the Korean Data and Information Science Society
    • /
    • v.18 no.3
    • /
    • pp.599-608
    • /
    • 2007
  • This study was conducted to establish an individual identification system in Hanwoo cattle. Samples of 33 Hanwoo individuals from Korean elite sire families were used. Thirteen major microsatellite markers were selected from alleles amplified, their frequencies, H(Heterozygosity) and PIC(Polymorphism Information Content) with Hardy-Weinberg equilibrium. Next, in order to evaluate the power of the markers selected on the individual animal identification, MP(Match probability) and R(Relatedness coefficient) with the percentage of animal incorrectly identified were computed. Finally nine microsatellite markers were selected and discussed.

  • PDF

Evaluation of Usability Both Oblique Verification for Inserted Fiducial Marker of Prostate Cancer Patients (Fiducial Marker가 삽입된 전립선암 환자를 대상으로 한 양사방향 촬영의 유용성 평가)

  • Kim, Koon Joo;Lee, Jung Jin;Kim, Sung Gi;Lim, Hyun Sil;Kim, Wan Sun;Kang, Su Man
    • The Journal of Korean Society for Radiation Therapy
    • /
    • v.25 no.2
    • /
    • pp.123-129
    • /
    • 2013
  • Purpose: The way check the movement of the fiducial marker insertion in the treatment of patients with prostate cancer. However the existing methods of fiducial marker verification process difficult to identify the specific location of the marker behind the femur and pelvic bone. So to study the evaluation of maker match with using kilo voltage (KV) X-ray by On-board imager to both oblique verification method. Materials and Methods: Five patients were selected for rectal ballooning and inserted fiducial marker. Compare the position of the fiducial marker of reference plan 2D/2D Anterior/Posterior verification method and 2D/2D both oblique verification method. So to measurement the shift score of X, Y, Z (axis) and measure exposure dose given to patients and compare matching time. Results: 2 dimensional OBI KV X-ray imaging using two-dimensional matching image are orthogonal, so locating fiducial marker matching clear and useful DRR (digital reconstruction radiography) OBI souce angle ($45^{\circ}/315^{\circ}$) matching most useful. 2D/2D both oblique verification method was able to see clearly marker behind the pelvic bone. Also matching time can be reduced accordingly. According to the method of each matching results for each patient in each treatment fraction, X, Y, and Z axis the Mean $value{\pm}SD$ (standard deviation) is X axis (AP/LAT: $0.4{\pm}1.67$, OBLIQUE: $0.4{\pm}1.82$) mm, Y axis (AP/LAT: $0.7{\pm}1.73$, OBLIQUE: $0.2{\pm}1.77$) mm, Z axis (AP/LAT: $0.8{\pm}1.94$, OBLIQUE:$1.5{\pm}2.8$) mm. In addition, the KV X-ray source dose radiation exposure given to the patient taking average when AP/LAT matching is (0.1/2.1) cGY, when $315^{\circ}/45^{\circ}$ matching is (0.27/0.26) cGY. Conclusion: In conclusion for inserted fiducial marker of prostate cancer patients 2D/2D both oblique matching method is more accurate verification than 2D/2D AP/LAT matching method. Also the matching time less than the 2D/2D AP/LAT matching method. Taken as the amount of radiation exposure to patients less than was possible. Suggest would improve the treatment quality of care patients more useful to establish a protocol such as case.

  • PDF

Forensic DNA methylation profiling from evidence material for investigative leads

  • Lee, Hwan Young;Lee, Soong Deok;Shin, Kyoung-Jin
    • BMB Reports
    • /
    • v.49 no.7
    • /
    • pp.359-369
    • /
    • 2016
  • DNA methylation is emerging as an attractive marker providing investigative leads to solve crimes in forensic genetics. The identification of body fluids that utilizes tissue-specific DNA methylation can contribute to solving crimes by predicting activity related to the evidence material. The age estimation based on DNA methylation is expected to reduce the number of potential suspects, when the DNA profile from the evidence does not match with any known person, including those stored in the forensic database. Moreover, the variation in DNA implicates environmental exposure, such as cigarette smoking and alcohol consumption, thereby suggesting the possibility to be used as a marker for predicting the lifestyle of potential suspect. In this review, we describe recent advances in our understanding of DNA methylation variations and the utility of DNA methylation as a forensic marker for advanced investigative leads from evidence materials.

DNA Marker Traceability Techniques for Hanwoo Industry

  • Lee, Jea-Young;Bae, Jung-Hwan;Lee, Yoon-Seok;Yeo, Jung-Sou
    • Journal of the Korean Data and Information Science Society
    • /
    • v.17 no.4
    • /
    • pp.1041-1051
    • /
    • 2006
  • The effectiveness of genetic markers on Hanwoo traceability systems was applied and evaluated from Korean 33 Hanwoo elite sire families. Five microsatellite markers were selected finally, which were located on chromosomes different chromosomes with the end sequencing of 100 HW-YUBAC that were recorded in the NCBI by Yeungnam University. Eleven major microsatellite markers were selected from allele amplified, their frequencies, H(Heterozygosity) and PIC(Polymorphism information content) with Hardy-Weinberg equilibrium. Next, in order to evaluate the power of the markers selected on the individual animal identification with experimental condition, the match probability(MP) and the relatedness coefficient(R) were computed.

  • PDF

DNA marker traceability in Korean Cattle

  • Kwon, Jae-Chul;Choi, Yu-Mi;Lee, Jea-Young
    • 한국데이터정보과학회:학술대회논문집
    • /
    • 2006.11a
    • /
    • pp.155-159
    • /
    • 2006
  • Samples of 33 Hanwoo individuals from Korean elite sire families were used and five microsatellite markers were selected finally, which were located on chromosomes different chromosomes with the end sequencing of 100 HW-YUBAC that were recorded in the NCBI by Yeungnam University. Ten major microsatellite markers were selected from alleles amplified, their frequencies, H(Heterozygosity) and PIC(Polymorphism information content) with Hardy-Weinberg equilibrium. Next, in order to evaluate the Power of the markers selected on the individual animal identification, the match probability(MP) and the relatedness coefficient(R) were computed.

  • PDF

Construction of DNA marker for traceability in Hanwoo

  • Kwon, Jae-Chul;Choi, Yu-Mi;Rhee, Sung-Won;Yeo, Jung-Sou;Lee, Jea-Young
    • 한국데이터정보과학회:학술대회논문집
    • /
    • 2006.04a
    • /
    • pp.213-219
    • /
    • 2006
  • Considering all the factors involved in beef production individual identification using DNA marker testing is the most appropriate solution to give all the breeders' information to the consumers. After taking into account the genealogical information from the Hanwoo, only animals that did not share some parent or grandparent were analysed 33 from the 305 initially sampled. Ten major microsatellite markers were selected from allele amplified and their frequencies, H(Heterozygosity) and PIC(Polymorphism information content) with Hardy-Weinberg equilibrium. Next, in order to evaluate the power of the markers selected on the individual animal identification, the match probability(MP) and the relatedness coefficient(R) were computed.

  • PDF

Color Recognition and Phoneme Pattern Segmentation of Hangeul Using Augmented Reality (증강현실을 이용한 한글의 색상 인식과 자소 패턴 분리)

  • Shin, Seong-Yoon;Choi, Byung-Seok;Rhee, Yang-Won
    • Journal of the Korea Society of Computer and Information
    • /
    • v.15 no.6
    • /
    • pp.29-35
    • /
    • 2010
  • While diversification of the use of video in the prevalence of cheap video equipment, augmented reality can print additional real-world images and video image. Although many recent advent augmented reality techniques, currently attempting to correct the character recognition is performed. In this paper characters marked with a visual marker recognition, and the color to match the marker color of the characters finds. And, it was shown on the screen by the character recognition. In this paper, by applying the phoneme pattern segmentation algorithm by the horizontal projection, we propose to segment the phoneme to match the six types of Hangul representation. Throughout the experiment sample of phoneme segmentation using augmented reality showed proceeding result at each step, and the experimental results was found to be that detection rate was above 90%.

Evaluation of DNA Markers for Fruit-related Traits and Genetic Relationships Based on Simple Sequence Repeat in Watermelon Accessions

  • Jin, Bingkui;Park, Girim;Choi, Youngmi;Nho, Jaejong;Son, Beunggu;Park, Younghoon
    • Horticultural Science & Technology
    • /
    • v.35 no.1
    • /
    • pp.108-120
    • /
    • 2017
  • Modern watermelon cultivars (Citrullus lanatus [Thunb.] Matsum.& Nakai var. lanatus) have fruits with diverse phenotypes, including fruit shape, rind patterns, and flesh color. Molecular markers enable efficient selection of plants harboring desirable phenotypes. In the present study, publicly available DNA markers tightly linked to fruit shape, rind stripe pattern, and flesh color were evaluated using 85 watermelon accessions with diverse fruit phenotypes. For fruit shape, the dCAPS SUN - Cla011257 marker revealed an 81% of marker - trait match for accessions with elongated or round fruits. For rind stripe pattern, the SCAR wsb6-11marker was effective for selecting Jubilee-type rind pattern from other rind patterns. For flesh color, the Clcyb.600 and Lcyb markers derived from a mutation in the Lycopene ${\beta}$ - cyclase (Lcyb) gene, were effective at selecting red or yellow flesh. Forty-eight accessions possessing diverse fruit - related traits were selected as a reference array and their genetic relationships assessed using 16 SSR markers. At a coefficient of 0.11, the 48 accessions grouped into two major clades: Clade I and Clade II. Clade I subdivided further into subclades I - 1 and I - 2 at a coefficient of 0.39. All accessions with colored flesh were classified into Clade I, whereas those with white - flesh were classified into Clade II. Differences in fruit traits between subclades I - 1 and I - 2 were observed for rind pattern and fruit color; a majority of the accessions with Crimson-type striped or non-striped rind were grouped together in subclade I - 1, while most accessions in subclade I - 2 had a Jubilee - type rind stripe pattern. These results imply that reference array watermelon accessions possess distinguishable genetic structure based on rind stripe pattern. However, no significant grouping pattern was observed based on other fruit-related traits.

Untouched Camera Mouse System for The Disabled Person's Assistant Device (뇌병변 장애인 보조기기용 노터치 카메라 마우스 시스템)

  • Bae, Ki-Tae
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.11 no.9
    • /
    • pp.3465-3471
    • /
    • 2010
  • In this paper, we propose assistant device system based on camera that can perform general mouse function for the physically disabled. Most disabled people use special hardware and rely largely on foreign-made assistance device and the using rate of assistance device was very low because of high price. To solve this problem, we propose effective system based on web camera that can perform general mouse function and can raise accessibility for the physically disabled. In the proposed method, we firstly attach color marker on arbitrary device or body parts and then input the information of color using camera and extract coordinate information of color marker and finally, match processing information(coordinate) to special event(keyboard, mouse) and control various applications. The proposed method shows good performance in price and performance compared with other techniques by real field test.