• Title/Summary/Keyword: a view

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Utility of False Profile View for Screening of Ischiofemoral Impingement

  • Kwak, Dae-Kyung;Yang, Ick-Hwan;Kim, Sungjun;Lee, Sang-Chul;Park, Kwan-Kyu;Lee, Woo-Suk
    • Hip & pelvis
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    • v.30 no.4
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    • pp.219-225
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    • 2018
  • Purpose: Ischiofemoral impingement (IFI)-primarily diagnosed by magnetic resonance imaging (MRI)-is an easily overlooked disease due to its low incidence. The purpose of this study was to evaluate the usefulness of false profile view as a screening test for IFI. Materials and Methods: Fifty-eight patients diagnosed with IFI between June 2013 and July 2017 were enrolled in this retrospective study. A control group (n=58) with matching propensity scores (age, gender, and body mass index) were also included. Ischiofemoral space (IFS) was measured as the shortest distance between the lateral cortex of the ischium and the medial cortex of lesser trochanter in weight bearing hip anteroposterior (AP) view and false profile view. MRI was used to measure IFS and quadratus femoris space (QFS). The receiver operating characteristics (ROC), area under the ROC curve (AUC) and cutoff point of the IFS were measured by false profile images, and the correlation between the IFS and QFS was analyzed using the MRI scans. Results: In the false profile view and hip AP view, patients with IFI had significantly decreased IFS (P<0.01). In the false profile view, ROC AUC (0.967) was higher than in the hip AP view (0.841). Cutoff value for differential diagnosis of IFI in the false profile view was 10.3 mm (sensitivity, 88.2%; specificity, 88.4%). IFS correlated with IFS (r=0.744) QFS (0.740) in MRI and IFS (0.621) in hip AP view (P<0.01). Conclusion: IFS on false profile view can be used as a screening tool for potential IFI.

Lane Departure Detection Using a Partial Top-view Image (부분 top-view 영상을 이용한 차선 이탈 검출)

  • Park, Han-dong;Oh, Jeong-su
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.21 no.8
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    • pp.1553-1559
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    • 2017
  • This paper proposes a lane departure detection algorithm using a single camera equipped in front of a vehicle. The proposed algorithm generates a partial top-view image for a small ROI (region of interest) designated on the top-view space form the image acquired by the camera, detects lanes on the small partial top-view image, and makes a decision on the lane departure by checking overlap between the pre-assigned virtual vehicle and the detected lanes. The proposed algorithm also includes the removal of lines occurred by road symbols (noises) disturbing the lane departure detection between lanes and the prediction of lost lanes using lane information of previous fames. In lane departure detection test using real road videos, the proposed algorithm makes the right decision of 99.0% in lane keeping conditions and 94.7% in lane departure conditions.

The Site of Vision in the Villa Savoye of Le Corbusier -'Fenetre en longueur' and the Internalization of a Distant View - (Le Corbusier 사브와 주택에서의 시각의 자리 - 수평창과 원경의 내면화 -)

  • Chung, Mann-Young
    • Journal of architectural history
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    • v.7 no.2 s.15
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    • pp.77-90
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    • 1998
  • This study on the site of vision in the Villa Savoye of Le Corbusier, concentrates on the precise analysis of the meaning of 'fenetre on longueur' in the living room. A lots of architectural theorists have regarded the Villa Savoye of Le Corbusier as a symbol of modern architecture, and his 'fenetre on longueur' as products of modern technology. But Le Corbusier who defined himself as 'homme visuel', responded keenly to the vision conditions inherent to the human finitude, Indifferent to the modern technology, Such a response would be derived from the experience of Acropolis, where 'the scheme was designed to be seen from a distance.' Generally speaking, 'fenetre en longueur', contra to 'porte-fenetre', makes one to focus on the panorama effect of the horizon, including a distant view. Entering the living room of Villa Savoye, however, we may perceive this window in two ways. Firstly this window acts as a screen to obstruct not to see outside, because of the wall above pressing down the line of view. Secondly this acts as a frame to make us see a distant view as far as eye can reach. These two ways result in the abbreviation of near view, and a sudden shift between a inferiority(derived from 'screen effect') and a distant view(from 'frame effect'). Depending on such a observation, this study can evaluate 'fenetre en longueur' internalizing of a distant view as the highest compressed scene of Le Corbusier's architectural poetics.

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Model-based Inter-view Mismatch Compensation Algorithm for Multi-view Video Coding (다시점 영상 부호화를 위한 모형 기반 시점간 비정합 보상 알고리즘)

  • Jeon, Yeong-Il;Lee, Si-Woong
    • The Journal of the Korea Contents Association
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    • v.8 no.7
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    • pp.1-8
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    • 2008
  • In this paper, an algorithm to compensate the inter-view mismatch in the multi-view video according to the different characteristics of cameras is presented. Interview mismatches make it difficult to merge the multi-view images and decrease the coding performance. So, a preprocessing operation to compensate the mismatches is requisite in the multi-view video coding. It is shown that the mismatch in the outputs of multi-view cameras with different electro-optical transfer functions can be approximated with a linear model of a gain and an offset. In addition, a new algorithm for estimating and compensating the inter-view mismatch based on the detection of the overlapped region is presented. Experimental results using various rectified stereo images show that the proposed method compensates inter-view mismatches more accurately compared to the conventional approach.

Perspectives of Game in Terms of Interactivity between Game Texts and Players (게임 텍스트와 플레이어의 인터랙티브적 관점에서 본 게임의 시점)

  • Kihl, Tae-Suk;Chang, Jun-O
    • Journal of Korea Game Society
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    • v.8 no.3
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    • pp.51-59
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    • 2008
  • This article focuses on perspectives of game in terms of interactivity between game texts and players. There are many points of view which have been discussed, such as first person point of view, third person point of view, top-down point of view, side-view point of view, quarter-view point of view, and isometric point of view, but they are too insufficient to fully explain the perspectives of game from the viewpoint of the interactivity. This paper examines the function of player and game manufacturer as implied authors on interactive point of view, and discusses the perspectives of game through a sense of distance between players as implied author and player characters.

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View Synthesis and Coding of Multi-view Data in Arbitrary Camera Arrangements Using Multiple Layered Depth Images

  • Yoon, Seung-Uk;Ho, Yo-Sung
    • Journal of Multimedia Information System
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    • v.1 no.1
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    • pp.1-10
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    • 2014
  • In this paper, we propose a new view synthesis technique for coding of multi-view color and depth data in arbitrary camera arrangements. We treat each camera position as a 3-D point in world coordinates and build clusters of those vertices. Color and depth data within a cluster are gathered into one camera position using a hierarchical representation based on the concept of layered depth image (LDI). Since one camera can cover only a limited viewing range, we set multiple reference cameras so that multiple LDIs are generated to cover the whole viewing range. Therefore, we can enhance the visual quality of the reconstructed views from multiple LDIs comparing with that from a single LDI. From experimental results, the proposed scheme shows better coding performance under arbitrary camera configurations in terms of PSNR and subjective visual quality.

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The study about "view" in product esthetics (상품미학에 내재된 시선에 관한 고찰- 근 대적 시선의 형성과정을 중심으로 -)

  • 조현주
    • Archives of design research
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    • v.11 no.3
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    • pp.137-146
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    • 1998
  • Historically, with change of life' s environment, The view to see object and person has been changed. So, as the conception that visual design is a help to produce and spread heteronomous view, this study analyse the view character of recent society as follows. A cityscape, fashion, product, prints(paper goods), advertising give a person special view and a person see the object with the view to be infected to capitalistic consumer' s custom. This origin has been started with the view that in the end of 19 c, capitalism has a visible system to build up capital and that in the make-up of modern civil society, the view was activated as the power of system maintenance and it internalized a person heteronomous view as the object of the power. The product esthetics as to make an effective demand in consumer capitalism after 70' s has shaped the way to produce the 'view desire" through the absorption. When the object is changed to 'the show" , opposite the activation of product esthetics make a person the consumer or outlooker with view of voyeurism. As to this study, the reverse ability of "product esthetics view" in the image to be produced to visual design is revealed through investigating the view as the power. So, an autonomous visual expression way and self-discipline criticism are needed.riticism are needed.

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A Study on the Selection for View Target and View Points of Townscape Planning in Chung-ju City (충주시 경관계획 수립을 위한 조망대상 및 조망점 선정에 관한 연구;거주기간을 포함한 사용자 특성을 중심으로)

  • Lee, Yun-Jeong;Bak, Ji-Ae;Kim, Gi-Soo
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2006.11a
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    • pp.253-259
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    • 2006
  • Since townscape planning zones were introduced in 2000 by a revised Urban Planning Law, interest and understanding on townscape have been enhanced in Korea. Driven by this trend of the time, interest in townscape planning has been growing in the area of urban planning, and local governments have been expressing their interest in townscape management. This study is intended to provide criteria for setting goals of constructing desirable urban environments in harmony with existing condition in Chung-ju City. To this end, questionnaire surveys and awareness research were administered and following findings were obtained in relation to user-specific preferences on view targets and view points for townscape planning in Chung-ju City. In general, citizens of Chung-ju City were found to prefer townscape frequently in use practically, while residents in other areas preferred such townscape as linked with the city' s overall reputation. Both groups were found to prefer natural landscape (Gaemyeongsan, Namsan, etc.) to artificial one as a view target, and Chung-ju Terminal and the neighborhoods and downtown(Seongseo-dong) were presumably preferred as a view point.

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Relationship between University students' Marriage View and Quality of Life

  • Kim, Jungae;Cho, Euiyoung
    • International Journal of Advanced Culture Technology
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    • v.8 no.4
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    • pp.129-136
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    • 2020
  • This study was a cross-sectional descriptive study that analyzed the effect of quality of life on marriage views in college students. The purpose of this study was to identify the relationship between quality of life and marriage view. The study targets were 195 male and female university students aged between 20 and 25. The data collection was done only by those who voluntarily agreed to the study using online questionnaires, and the data collection period was from October 1 to October 30, 2020. Data analysis was performed using SPSS 18.0 for frequency analysis, χ2 analysis, Pearson correction, t-test, and simple regression analysis. The result of the study that men had higher conservative marriage view (M=3.22, SD=.716) than women (M=2.21, SD=.903, p<0.01), women had higher active marriages (M=3.94, SD=.955) than men (M=3.41, SD=.933, p<0.01), and women had higher exclusive marriage views (M=3.94, SD=.955) than men (M=3.41, SD=.933, p<0.01). And people with high quality of life positively influenced romantic marriage view (R2=.029, p<0.05), but negatively affected passive marriage view (R2=.029, p<0.05) and conservative marriage view (R2=.034, p<0.05). Based on the results of this study, a program is needed to create a positive marriage view for the married age group, create an environment for married people to positively engage in social and economic activities, and propose a program for creating healthy family relationships.

The adaptive partition method of skin-tone region for side-view face detection (측면 얼굴 검출을 위한 적응적 영역 분할 기법)

  • 송영준;장언동;김관동
    • Proceedings of the Korea Contents Association Conference
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    • 2003.11a
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    • pp.223-226
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    • 2003
  • When we detect side-view face in color image, we decide a candidate face region using skin-tone color, and confirm to the face by template matching. Cang Wei use a left and a right template of face, calculate to similarity value by hausdorff method, and decide the final side-view face. It has a characteristic that side-view face is wide spreading neck region. To get exactly result, face region is separated vertically by 3 pixel unit, and matched template. In this paper, we assume that a side-view face is a right side-view or a left side-view face. We separate a half of the candidate face region vertically, and regard a left side as left candidate face, a right side as right candidate face by template matching. This method detect faster than Gang Wei method.

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