• Title/Summary/Keyword: Caption evaluation

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A Study on the Embodying the Sense of Place in Children's Libraries (어린이 도서관에 있어서 장소성 구현에 관한 연구)

  • Lee, Jeong-Mi;Kwack, Dong-Wha;Cheon, Hye-Sun
    • Korean Institute of Interior Design Journal
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    • v.19 no.5
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    • pp.198-208
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    • 2010
  • The purpose of this study is to elicit the planning factors for the embodiment of sense of place in public library. This study analyzes qualitatively the good places where the children seek for and evaluate in children's library. The primary method of survey in this study is the caption evaluation. The survey is conducted in libraries of three types. In the caption evaluation, children take good places into photograph by themselves and are asked for reasons, features and physical characteristics for the pictures on good places. Through the study of the preceding studies, this study takes four analysis frames, Path, Occupancy Place, Edge and Mark. According to four analysis frames, the principal features, physical characteristics and the examples in libraries of domestic and foreign country are put in order. The meanings of this study are summarized as followings; presenting the method of user's positive evaluation, studying the sense of place in children's view point, and presenting the interrelation pattern for embodiment of the rich sense of place.

A Study On Web Contents Accessibility of Hospital Web Sites in Korea (국내 의료기관의 규모별 웹 콘텐츠 접근성 현황에 관한 연구)

  • Kim, Jong-Min;Ryu, Hwang-Gun
    • The Korean Journal of Health Service Management
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    • v.4 no.2
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    • pp.33-46
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    • 2010
  • In this study, we investigated web contents accessibility of 60 hospital web sites in Korea. The eight evaluation criteria were used for estimating the web contents accessibility of the web sites. These criteria were as follows: providing an alternative text, providing caption for moving picture, providing a skip navigation, usage of pop-up windows, usage of a summary or a caption tag for data table, providing a page title, providing a label for online form, and usage of java scripts. K-WAH 3.0 was used for estimating five evaluation criteria. According to Internet web contents accessibility guideline 1.0, we estimated the rest three evaluation criteria manually and described good or bad examples for the evaluation results technically. The results show that the web accessibility of hospital web sites is generally insufficient and the constant interests in improvement for accessibility are urgently needed.

Methods for Video Caption Extraction and Extracted Caption Image Enhancement (영화 비디오 자막 추출 및 추출된 자막 이미지 향상 방법)

  • Kim, So-Myung;Kwak, Sang-Shin;Choi, Yeong-Woo;Chung, Kyu-Sik
    • Journal of KIISE:Software and Applications
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    • v.29 no.4
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    • pp.235-247
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    • 2002
  • For an efficient indexing and retrieval of digital video data, research on video caption extraction and recognition is required. This paper proposes methods for extracting artificial captions from video data and enhancing their image quality for an accurate Hangul and English character recognition. In the proposed methods, we first find locations of beginning and ending frames of the same caption contents and combine those multiple frames in each group by logical operation to remove background noises. During this process an evaluation is performed for detecting the integrated results with different caption images. After the multiple video frames are integrated, four different image enhancement techniques are applied to the image: resolution enhancement, contrast enhancement, stroke-based binarization, and morphological smoothing operations. By applying these operations to the video frames we can even improve the image quality of phonemes with complex strokes. Finding the beginning and ending locations of the frames with the same caption contents can be effectively used for the digital video indexing and browsing. We have tested the proposed methods with the video caption images containing both Hangul and English characters from cinema, and obtained the improved results of the character recognition.

Efficient Object Classification Scheme for Scanned Educational Book Image (교육용 도서 영상을 위한 효과적인 객체 자동 분류 기술)

  • Choi, Young-Ju;Kim, Ji-Hae;Lee, Young-Woon;Lee, Jong-Hyeok;Hong, Gwang-Soo;Kim, Byung-Gyu
    • Journal of Digital Contents Society
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    • v.18 no.7
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    • pp.1323-1331
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    • 2017
  • Despite the fact that the copyright has grown into a large-scale business, there are many constant problems especially in image copyright. In this study, we propose an automatic object extraction and classification system for the scanned educational book image by combining document image processing and intelligent information technology like deep learning. First, the proposed technology removes noise component and then performs a visual attention assessment-based region separation. Then we carry out grouping operation based on extracted block areas and categorize each block as a picture or a character area. Finally, the caption area is extracted by searching around the classified picture area. As a result of the performance evaluation, it can be seen an average accuracy of 83% in the extraction of the image and caption area. For only image region detection, up-to 97% of accuracy is verified.

The Evaluation Structure of Auditory Images on the Streetscapes - The Semantic Issues of Soundscape based on the Students' Fieldwork - (거리경관에 대한 청각적 이미지의 평가구조 - 대학생들의 음풍경 체험을 통한 의미론적 고찰 -)

  • Han Myung-Ho
    • The Journal of the Acoustical Society of Korea
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    • v.24 no.8
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    • pp.481-491
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    • 2005
  • The purpose of this study is to interpret the evaluation structure of auditory images about streetscapes in urban area on the basis of the semantic view of soundscapes. Using the caption evaluation method. which is a new method, from 2001 to 2005, a total of 45 college students participated in a fieldwork to find out the images of sounds while walking on the main streets of Namwon city. It was able get various data which include elements, features, impressions, and preferences about auditory scene. In Namwon city, the elements of the formation of auditory images are classified into natural sound and artificial sound which include machinery sounds, community sounds. and signal sounds. Also, the features of the auditory scene are classified by kind of sound, behavior, condition, character, relationship of circumference and image. Finally, the impression of auditory scene is classified into three categories, which are the emotions of humans, atmosphere of the streets, and the characteristics of the sound itself. From the relationship between auditory scene and estimation, the elements, features and impressions of auditory scene consist of the items which are positive, neutral, and negative images. Also, it was able to grasp the characteristics of auditory image of place or space through the evaluation model of streetscapes in Namwon city.

Interaction Between Seasons and Auditory Elements, Features and Impressions of Soundscape in Influencing Auditory Preferences (청각선호도에 미치는 청각적 경관의 요소, 특징, 인상 요인과 계절의 상호작용 효과)

  • Han, Myung-Ho;Oh, Yang-Ki
    • The Journal of the Acoustical Society of Korea
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    • v.26 no.7
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    • pp.306-316
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    • 2007
  • Based on a concept of soundscape, this study aims to investigate Koreans' preference for auditory elements, features, and impressions depending upon the season, and examine how these auditory factors of soundstape and seasons interact with each other and attempt to discover their influence on people's auditory preferences. According to an environmental psychological approach called the caption evaluation method, 45 college students examined the soundscape of Namwon City while racing the streets in four seasons. In order to analyze the interactions between seasons and such auditory factors as elements, features, and impressions, it was conducted the GLM univariate analysis and the NPAR tests for independent samples. The results of the analyses show that there are interactive effects between seasons and auditory factors like elements, features, and impressions and that the auditory factors have an effect on auditory preference. Moreover, as for seasonal preference for auditory elements, it was found that people prefer natural sound in spring, summer, and fall while they prefer social sound in winter. Concerning seasonal preference for auditory features, people place a focus on the behaviors in spring, summer, and winter while they stress the surroundings in autumn, as for seasonal preference for auditory impressions, they make much of sound characteristics in spring and winter but they value the atmosphere of streets in summer and fall. The results of this study can he utilized as useful data in determining which auditory factors among elements, features, and impressions to take into consideration in a soundscape design.

Development of Instructional Activity Support Model for Capstone Design to Creative Engineering Education (창의적 공학교육을 위한 캡스톤 디자인(Capstone Design) 교수활동지원모형 개발)

  • Park, Su-Hong;Jung, Ju-Young;Ryu, Young-Ho;KIM, Seong-Ok
    • Journal of Fisheries and Marine Sciences Education
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    • v.20 no.2
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    • pp.184-200
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    • 2008
  • The purpose of this paper is to develop instructional activity support model for capstone design in order for improving creative engineering education. To do this, having extracted the core idea of capstone design, and elicited core learning activity process, and grasped core supportive factors according to each core learning activity process that elicited, an improved instructional design model for capstone design was then developed through formative evaluation with respect to the draft of the instructional system development model for capstone design. As to major research methods, case analysis, requirements analysis through interview, and formative evaluation by experts were employed, and then research studies were undertaken. The formative evaluation by experts was carried out for two hours in 2007, and the experts participated in the evaluation consisted of total 6 persons: two specialists of capstone design contents, two professionals in field works, and two expert instructional designers in education engineering. Interview results had been reflected in this research when developing final instructional design model for capstone design. The core learning activity process of the final instructional design model for caption design, which developed in this research, comprises following stages: (1) Team building $\rightarrow$ (2) Integrated meeting between industry and academy $\rightarrow$ (3) Analysis of tasks $\rightarrow$ (4) Clarification of tasks $\rightarrow$(5) Seeking solutions for issues $\rightarrow$ (6) Eliciting priority of solutions $\rightarrow$ (7) Designing solutions and construction $\rightarrow$ (8) Exhibiting outcomes and presentation $\rightarrow$(9) Gaining comprehensive insights Also, in the core learning activity process, supportive factors that support implementation of each step were presented having been categorized into facilitator (teacher, and professionals in field works), learner and tool, etc.

The Examination of Reliability of Lower Limb Joint Angles with Free Software ImageJ

  • Kim, Heung Youl
    • Journal of the Ergonomics Society of Korea
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    • v.34 no.6
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    • pp.583-595
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    • 2015
  • Objective: The purpose of this study was to determine the reliability of lower limb joint angles computed with the software ImageJ during jumping movements. Background: Kinematics is the study of bodies in motion without regard to the forces or torques that may produce the motion. The most common method for collecting motion data uses an imaging and motion-caption system to record the 2D or 3D coordinates of markers attached to a moving object, followed by manual or automatic digitizing software. Above all, passive optical motion capture systems (e.g. Vicon system) have been regarded as the gold standards for collecting motion data. On the other hand, ImageJ is used widely for an image analysis as free software, and can collect the 2D coordinates of markers. Although much research has been carried out into the utilizations of the ImageJ software, little is known about their reliability. Method: Seven healthy female students participated as the subject in this study. Seventeen reflective markers were attached on the right and left lower limbs to measure two and three-dimensional joint angular motions. Jump performance was recorded by ten-vicon camera systems (250Hz) and one digital video camera (240Hz). The joint angles of the ankle and knee joints were calculated using 2D (ImageJ) and 3D (Vicon-MX) motion data, respectively. Results: Pearson's correlation coefficients between the two methods were calculated, and significance tests were conducted (${\alpha}=1%$). Correlation coefficients between the two were over 0.98. In Vicon-MX and ImageJ, there is no systematic error by examination of the validity using the Bland-Altman method, and all data are in the 95% limits of agreement. Conclusion: In this study, correlation coefficients are generally high, and the regression line is near the identical line. Therefore, it is considered that motion analysis using ImageJ is a useful tool for evaluation of human movements in various research areas. Application: This result can be utilized as a practical tool to analyze human performance in various fields.