The main difference between mono-volume rendering and multi-volume rendering is data intermixing. In this paper, we first propose a selective rendering method for fast visualizing specific volume according to the surface level and then present data intermixing method for multiple volumes. The selective rendering method is to generate distance transformed volume using a distance transform to determine the minimum distance to the nearest interesting part and then render it. The data intermixing method for multiple volumes is to combine several volumes using intensity weighted intermixing method, opacity weighted intermixing method, opacity weighted intermixing method with depth information and then render it. We show the results of selective rendering of left ventricle and right ventricle generated from EBCT cardiac images and of data intermixing for combining original volume and left ventricular volume or right ventricular volume. Our method offers a visualization technique of specific volume according to the surface level and an acceleration technique using a distance transformed volume and the effective visual output and relation of multiple images using three different intermixing methods in three-dimensional space.
Mi Fu, who was associated with Wen Tong, invented the Mijoem Technique (Dotting Technique) in landscape painting with his son Mi Youren. His landscapes, which referred to Dong Yuan's landscape technique and was inspired by the scenery of Jiang Nan, illustrate the mood of a cloud-covered foggy landscape by liberally applying dots with ink. 'Chunsansoesong' which is considered done by Mi Fu, clearly shows the virtues of ink painting's spreading, absorbing and omission techniques. This simply rendered landscape - whose mountains and hills are wrapped in both clouds and fog - displays exquisiteness by using small dots. In 'Chunsansoesong', the characteristics of Song painting: a 'vital energy', a 'poem within the painting', a 'beauty of margin', a 'beauty of one brush stroke, and a 'display of inner meanings' are implicatively expressed This is because it's simple but connotatively delineative. There is the characteristic of a 'poem within the painting' when analyzing the both fragmented and combined 'Chunsansoesong'. The margins support an imaginative space as the height of the mountains get higher which result in deepening both the width and depth of the landscape space. Furthermore, the soft thickness of ink, clouds, pine trees, and pavilion evoke delineative feelings and a desire to write a poem Every thing in 'Chunsansoesong' is enveloped in both clouds and fog regardless of its distance and this delivers boundless feelings of Oriental mystery and urges a desire for 'writing a poem'. The pavilion that faces the cloud and fog-bound mountains especially flames the poetic urge further by inducing viewers' poetic imaginations. As we reviewed above, 'Chunsansoesong's cloud and fog-covered landscape is a good example that clearly showcases the characteristics of a 'Poem within the Painting'.
This study was to evaluate the effects of oral health education conducted on air force personnel according to the use of disclosing solution. They were divided into 3 groups: Group A: oral health education was not conducted, Group B: oral health education was conducted without using disclosing solution, and Group C: oral health education was conducted using disclosing solution. The subjects who had not participated in the education at least once were excluded, and the remaining 83 subjects received oral health education four times and one time each week. The probing depth, plaque index, gingival index, and bleeding on probing were measured one week before the implementation of the first oral health education and one week after the implementation of the fourth oral health education. The results of verifying the homogeneity of the clinical indices before the oral health education showed statistically significant differences in bleeding on probing among the three groups. The results of comparing the clinical indices among the three groups after the oral health education exhibited statistically significant differences in the plaque and gingival indices among the three groups. Groups B and C showed lower values than Group A. The comparison of the clinical indices before and after the oral health education showed statistically significant improvements in all clinical indices after the education in Group C. The results suggested that the oral health education using disclosing solution could maximize that visual effects and encourage self-motivation, consequently improve the oral hygiene of the patients.
Color, an important visual cue, can cross-modally affect odor association and odor quality identification Here, this research investigates aspects of the cross-modal associations between color and fragrance in greater depth, delving into the topic of whether the degree-of-association of fragrances with hue and tone of colors varies systematically. For 33 color stimuli (10 hues, 3 tones, and 3 achromatic colors), 67 subjects judged the degree-of-association of four typical fragrance families (fresh, floral, oriental, and woody) on a 7-point scale. The statistical analysis showed that fragrance associations of the all families had characteristic distributions across ten hues of the color stimuli. The cross-modal relationship between color tone (especially, lightness attribute) and fragrance association appeared to be dimensional (e.g. a positive linear relationship between the floral family and the lightness). More specifically, as colors became warmer and brighter, the associated floral scents were stronger, while the woody scents was less associated. Brighter or more vivid cool colors were associated with stronger fresh scents. These findings confirm the systematic existence of synthetic interactions between vision and olfaction in perfumery.
Proceedings of the Korea Concrete Institute Conference
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2004.05a
/
pp.794-797
/
2004
In this study, tensile adhesive strength(TAS) test was carreid out for evaluated the effects of temperature conditions (-20, -10, 0, 5, 10, 20, 30, $40^{\circ}C$) on the tensile adhesive characteristics about 4 type waterproofing membranes which were commercially used in bridge decks. And, failure appeariences of waterproofing systems in each temperature after TAS test were observed the sawing surfaces of waterproofing systems for whether or not damaged of waterproofing membranes. Also, correction coefficient of TAS with temperature were calculated using 4 type waterproofing membrane. It could be shown that the higher TAS and shear adhesive strength, the lower temperature, regardless of the type of waterproofing membrane. Temperature sensibility of TAS was especially remarkable in epoxy membrane. Failure type was occurred the ductile failure in $30^{\circ}C\;and\;40^{\circ}C$. From these results, it was shown that if ambient temperature above $30^{\circ}C$ maintains for a long time, waterproofing membrane will be deformed by softening. Otherwise, waterproofing membrane in temperature below $20^{\circ}C$ shown that occurred the brittle failure. From the results of visual observation of cutting surface for specimen, the thin waterproofing membranes shown indented by hot aggregate of the asphalt mixtures. Therefore, it could be known that the specification of waterproofing membrane thickness is necessary by waterproofing membrane type. As temperature change varied with pavement depth, the interface temperature was more important than ambient temperature in TAS test. Now, TAS test results were limited only in $-10^{\circ}C\;and\;20^{\circ}C$ temperature, but correction coefficient of TAS by ambient temperature could be used as a solution to deal with this problem.
Objective : There are a few reports on the complications of surgery for epilepsy. We surveyed our data to present complications of epilepsy surgeries from the neurosurgeon's point of view and compare our results with other previous reports. Methods : A total of 179 surgical procedures for intractable epilepsy (41 diagnostic, 138 therapeutic) were performed in 92 consecutive patients (10 adults, 82 children) during the last 9.2 years (February. 1997-April. 2006). Their medical records and radiological findings were reviewed to identify and analyze the surgical complications. Results : The diagnostic procedures encompassed various combinations of subdural grid, subdural strips, and depth electrodes. Four minor transient complications developed in 41 diagnostic procedures (4/41=9.8%). A total of 138 therapeutic procedures included 28 anterior temporal lobectomies, 21 other lobectomies, 6 lesionectomies, 21 topectomies, 13 callosotomies, 20 vagus nerve stimulations, 13 multiple subpial transections, and 16 hemispherectomies. Twenty-six complications developed in therapeutic procedures (26/138=18.8%). Out of the 26 complications, 21 complications were transient and reversible (minor; 21/138=15.2%), and 5 were serious complications (major; 5/138=3.6%). Five major complications were one visual field defect, two mortality cases and two vegetative states. There were 2 additional mortality cases which were not related to the surgery itself. Conclusion : Our results indicate that complication rate was higher than previous other reports in minor complications and was comparable in major complications. However, our results show relatively high frequency of mortality cases and severe morbidity case compared to other previous reports. The authors would like to emphasize the importance of acute postoperative care in young pediatric patients as well as meticulous surgical techniques to reduce morbidity and mortality in epilepsy surgery.
The purpose of this study is to propose a space design plan for brand experience that can enhance consumer satisfaction and brand awareness by conducting a survey on the consumer satisfaction with space expression methods in an eyewear flagship store. Through theoretical review, brand experience was defined as the 'process and outcome of experiences caused by stimulations associated with the brand in a series of processes. After reviewing previous studies, 5 elements of brand experience such as the sensory, emotional, behavioral, cognitive and relational experiences were extracted. Upon deriving a checklist through these elements, a survey was conducted. The analysis of the survey showed that the process composed of cognitive experiences that promoted to remember the brand was intensively expressed in spaces. Thus, the results of this study are as follows. First, the process composed of cognitive experience should be applied with a higher priority to increase brand awareness, and such a process accompanied by the behavioral and sensory experiences. Second, beyond a simple visual experience, various senses such as olfactory and auditory senses should be stimulated, and behavioral experience provided as an experience factor. Third, brand image and sales spaces should be composed under a single theme with a connectivity. Fourth, in external spaces, the curiosity of consumers should be stimulated with a theme matching the brand image. Fifth, it was found that the visitor satisfaction was higher when formative elements consisted of not only static but also dynamic features. Sixth, among the elements of brand experience, emotional experience should be improved to complete the 'process and outcome of experiences'. It is considered that further studies are needed, which expand the cases of eyewear flagship stores not only in Korea but also overseas, and propose more specific plans and design strategies through in-depth interview methods in the future.
This paper intends to introduce more objective and qualitative rock mass classification method easily applicable to the excavation of gneissic masses showing corestone weathering profiles. It is proven that corestone weathering profile could be divided with reasonable accuracy into digging, ripping and blasting layers using visual and simple mechanical techniques such as Schmidt hammer rebound test on cut slopes, taking into consideration strength and spacial distribution of corestone, workability and work efficiency of excavation. Also, seismic refraction surveys were employed for shallow investigations (down to $20{\sim}30m$ depth) in corestone weathering profile and conducted across the top of vertical exposures where the underlying geology could be directly inspected. Some discrepancies ($3{\sim}4m$ in average and 6 m occasionally) between the actual and assumed materials with respect to seismic velocities were observed. Thus it can be concluded that field geotechnical mapping and field seismic test should be used together in order to get a relatively good accuracy in assessing likely excavation conditions of corestone weather-ing profiles.
Journal of the Korean Society for information Management
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v.33
no.4
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pp.225-244
/
2016
As technology progresses, the supply and use of smartphones has become increasingly popular and has significantly transformed modern life. However, users still feel uncomfortable running some mobile apps, as many are created without a thoughtful consideration of usability. Usability evaluations involve several methodologies to identify specific problems in light of various principles. Although usability testing was initially centered on physical services, it has gradually evolved to consider user satisfaction as its main concern. Public transportation applications should be accessible to everyone, and studies should focus on the user's perspective. However, previous user surveys have concentrated on applications' technical aspects or visual design. As a result, there has been a lack of general usability evaluations. This study aimed to evaluate the usability of mobile transportation applications in real life, with a focus on public transportation in Seoul. All the participants were asked to complete a task, an in-depth interview, and a questionnaire survey. In summary, the results suggest that users do not find inappropriate information attractive when it does not satisfy their purpose of use, but rather tend to consider it as interference.
The Danish-Icelandic artist, Olafur Eliasson who was born in 1967 is known for installation projects employing materials such as colour, fog, mirror and light to rethink the relationship between human and surrounding. Since he started the early projects, Eliasson has been interested in the relationship between an art, a viewer and space. He has used the medium from nature because he thought nature is very common subject to derive new idea of relationship between human and surrounding. Eliasson revealed the idea of relationship between human and surrounding by three characteristics of spatial design such as 'reinterpretation of placeness by juxtaposition of mediums and defamilarization', 'ambiguity and extensity of depth distance of space by mediums' and 'change in spatiality by movement of viewers and time'. This paper focused on four case projects : The mediated motion in 2001, The weather project in 2003, The blind pavilion in 2003, Your rainbow panorama in 2011. It is aimed to discover relationship between human and surrounding in the case projects under three characteristics. This study found that three characteristics were differently applied in the case projects in terms of spatial experience and design methods. Inside & outside locations, formal quality, visual-perceptual relationships in and around each case are crucial elements and tools. The unique relationship between human and surrounding of Eliasson and three characteristics are applicable to architecture and spatial design.
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