3D buildings are the most prominent feature comprising urban scene. A few of mega-cities in the globe are virtually reconstructed in photo-realistic 3D models, which becomes accessible by the public through the state-of-the-art online mapping services. A lot of research efforts have been made to develop automatic reconstruction technique of large-scale 3D building models from remotely sensed data. However, existing methods still produce irregular building polygons due to errors induced partly by uncalibrated sensor system, scene complexity and partly inappropriate sensor resolution to observed object scales. Thus, a geometric regularization technique is urgently required to rectify such irregular building polygons that are quickly captured from low sensory data. This paper aims to develop a new method for regularizing noise building outlines extracted from airborne LiDAR data, and to evaluate its performance in comparison with existing methods. These include Douglas-Peucker's polyline simplication, total least-squared adjustment, model hypothesis-verification, and rule-based rectification. Based on Minimum Description Length (MDL) principal, a new objective function, Geometric Minimum Description Length (GMDL), to regularize geometric noises is introduced to enhance the repetition of identical line directionality, regular angle transition and to minimize the number of vertices used. After generating hypothetical regularized models, a global optimum of the geometric regularity is achieved by verifying the entire solution space. A comparative evaluation of the proposed geometric regulator is conducted using both simulated and real building vectors with various levels of noise. The results show that the GMDL outperforms the selected existing algorithms at the most of noise levels.
The results of testing general components, physical property and physical function after having made steamed rice cake by adding eggplant, which caters to consumers' tastes are as follows. It showed that when eggplant powder content increased, the moisture content of steamed rice cake with eggplant was decreased. It also showed that the lightness value (L) of steamed rice cake with eggplant powder was the highest as 82.75 in the control group. When eggplant powder content increased, the redness (a) and yellowness (b) were increased. From the results of having measured the antioxidant potential over the steamed rice cake with freezing-drying eggplant powder by DPPH radical elimination, we figured out that it was the lowest as 48.30% in the control group. As more eggplant powder was added, its elimination increased accordingly. As per hardness of steamed rice cake with eggplant, the added group with 7% was revealed as the highest at 0.757. It showed that adhesiveness was the lowest as 30.233 in the control group, and springiness and cohesiveness were on the rise as freezing-drying eggplant powder was increased. Furthermore, softness and chewiness were shown to be high in the added group with eggplant powder of 3, 5%. The evaluation over the overall preference was the highest in 5% added group. Judging from this, adding 3~5% eggplant powder against non-glutinous rice powder is considered an optimal quantity in making steamed rice cake with eggplant.
Background: Tourniquet pain has important impacts on anesthesia. Tourniquet pain and accompanying cardiovascular changes are important factors that make patients in distress during anesthesia. As tourniquet pain may be modified by anesthesia, a study on the changes in the neural functions by tourniquet inflation in normal volunteers is important. Methods: Time-dependent changes in tourniquet pain, heart rate, phantom limb sensation, motor function, pain to pressure on upper extremity of 10 healthy and unpremedied volunteers were measured. Each parameter were measured every 5 minutes starting from 10 minutes before inflation to 15 minutes after deflation of tourniquet. Tourniquet was deflated when the subject felt unbearable pain (score 100 with visual analog scale). Results: Subjects manifested time-dependent pain responses to tourniquet inflation, characterized by increase in VAS, systolic and diastolic blood pressure. Mean duration of tourniquet inflation was 36.4 minutes, volunteers experienced motor paralysis at 27.6 minutes and sensory loss at 33.1 minutes. Pain to pressure decreased over time in both arms. The degree of decrease was greater in the arm on which tourniquet was applied than that in the non-applied arm. Phantom limb sensation occurred in 3 subjects. Conclusions: This study demonstrated dynamic changes in the neural functions during tourniquet inflation period. Tourniquet-induced pain and resultant hypertension occurred in all subjects. Appropriate anesthetic management is needed for the surgery using tourniquet.
Ji, Cheong-Il;Cho, Sueng-Mock;Gu, Yeun-Suk;Kim, Seon-Bong
Food Science and Biotechnology
/
제16권4호
/
pp.557-564
/
2007
We prepared caviar analogs encapsulated by calcium-alginate gel membranes as a means to replace higher priced natural caviars. Processing the caviar analogs (beluga type) was optimized by response surface methodology with central composite design. Concentrations of sodium alginate ($X_1$) and $CaCl_2\;(X_2)$ were chosen as the independent variables. In order to compare characteristics of the caviar analogs with the natural caviar, sphericity ($Y_1$), diameter ($Y_2$), membrane thickness ($Y_3$), rupture strength ($Y_4$), rupturing deformation ($Y_5$), and sensory score ($Y_6$) were used as the dependent variables. The sphericity of the caviar analogs showed a similar value to that of natural caviar (over 94%) in the range of independent variables. Generally, the $CaCl_2$ concentration ($X_2$) affected all dependent variables to a greater extent than the sodium alginate concentration ($X_l$), For the multiple response optimization of the 5 dependent variables ($Y_1,\;Y_2,\;Y_4,\;Y_5$, and $Y_6$), the desirability function was defined as the following conditions: target values ($Y_1\;=\;100%,\;Y_2\;=\;3.0\;mm,\;Y_4\;=\;1,470\;g,\;Y_5\;=\;1.1\;mm,\;and\;Y_6\;=\;10\;points$). Membrane thickness ($Y_3$) was eliminated from the dependent variables for multiple response optimization because it could not be measured with an image analyzer. The values of the independent variables as evaluated by multiple response optimization were $X_1\;=\;-0.093$ (78%) and $X_2\;=\;-0.322$ (1.07%), respectively.
Advances in microvascular techniques and refinements in microsurgical tissue transfers have enabled surgeons to combine different tissue components and reconstruction into a single-stage operation in extensive or composite defect following injury. Some problems and consideration for extensive or composite defects are form, shape, function, and dimension of the defect sites. Therefore combination of two or more flaps is required to reconstruct extensive or composite defect. This paper presents our clinical experience of four cases of combined free flaps with or without sequential microanastomosis in reconstruction of upper extremity based on peroneal flowthrough, thoracodorsal, and dorsalis pedis vascular system. Satisfactory results were obtained without flap loss and complications. The free flaps were combined in th following fashion; two cases by bridge fashion, one by chimeric microanastomosis and one by simple chimeric fashion. The median follow-up time on all patients was 21.7 months. Donor site morbidity was minimal. Extensive soft tissue or composite defects can be effectively covered by various combined flaps. Even though the risk for complication exists, the options of combination with or without sequential microanastomosis can add a functional or sensory dimension to reconstruction of complex wounds.
Objective: The purpose of this study was to investigate the effect of the hip joint strengthening exercises using proprioceptive neuromuscular facilitation (PNF) on the clinical symptoms and the treatment effects in balance, sit to stand, and gait abilities in patients with TBI. Design: A single case study. Methods: A 13-year-old adolescent with quadriplegia and hip joint control impairment participated in this four-week training intervention. The patient, diagnosed with TBI, wastreated with hip joint strengthening exercises using PNF. In the first week, we focused on strengthening the body, relaxing the hip flexors and activating the hip extensor muscles in order to solve the patient's physical function and body structure. From the 2nd and 4th week, we improved the motivation through the task-oriented method, and then weight-bearing training of the right lower extremity was proceeded by kicking a soccor ball with the left lower extremity. The exercises were performed for 4 weeks, 5 days a week, for 60 minutes with the exercise intensity gradually increased according to the subject's physical abilities. Results: As a result of the study, the patient demonstrated improvements in the physical examination, which were evaluated before and after intervention and included the manual muscle test, modified Ashworth scale, sensory assessment, coordination assessment, Berg balance scale, 5-time sit to stand test, and the 10 meters walk test. Conclusions: The results of this case suggest that a hip joint strengthening exercise program using PNF may improve hip control ability, balance, sit to stand and gait ability in a patient with TBI.
YoungChu NonYong(靈樞 論勇)seems to be named as such by its explanation in detail about the brave man who can and the coward who cannot stand pain respectively. In the first chapter, it is considered that the factors of diseases are dependent upon the state of skin and flash. In the second chapter, it is put about the problem of standing pain and not. In the third chapter, about the causes of resulting in brave or unbrave man. And in the fourth chapter, about drunken frenzy(酒悖). More concretely speaking, in the first chapter, it is explained that the factors of pathogenesis are related closely with the state of skin and flash, so to speak, though the outer factors which can arouse diseases should exist, the sensitivity of skin and flash which are the first defense tissue in human body, is more important factor. Undoubtedly, the environmental factors existing in physical nature which surrounds human life, have influenced upon human health, especially in ancient times. But, this chapter exhibits some reflections that ultimately the inner conditions of human body decide the attack of diseases. However, this chapter may have some corruptions for it reveals the contents which are not fit with the headline. In the second chapter, it is written that the sensitivity to pain is not only dependent upon the character of bravery but also upon the thickness of skin, the strength of flesh and the speed of response. In this we evidence that the ancient people had the idea that human pain-feeling is more dependent upon the degree of development of sensory neuron of physical body than one's character of bravery. In the third chapter, ti is described that the differences of physical development mainly influence the differences of the degree of mental bravery. In the fourth chapter, the drunken frenzy is explained. The implication is that as civilization has been growing, the drinking culture has made both in dividual and social health affair. The alcohol has the function of pleasing mind improving the quality of human life but it can also destroy both human body and mind when abused. About the harms like this, this part wams by the examples of drunken man's abnormal behaviors.
The present experiment was designed to examine the effects of Jeongjihwan on carecholamines, serotonin, amino acids, lipid peroxide, free radical scavenging activity, malondialdehyde and superoxide dismutase activity in senile brain. It was performed by administering Jeongjihwan extracts of a variety of concentration to senile rats to experimentally determine effects of Jeongjihwan on biochemical changes in senile brain and examine protective effects against neurotoxin. To examine survival rate, the rat's spinal cord sensory ganglion cell pretreated in Jeongjihwan extracts was cultured in oxygen free radical. The results were summarized as follows: 1. Jeongjihwan significantly increased noradrenaline in the hippocampus and hypothalamus of the brain tissue of senile rats, and even though Jeongjihwan increased noradrenaline also in other brain tissue, there was no significance. 2. Jeongjihwan had no effects on dopamine changes in all brain tissue of senile rats. 3. Jeongjihwan significantly increased serotonin, but decreased in other brain tissue. 4. Jeongjihwan increased amino acid in the brain tissue of senile rats. 5. Jeongjihwan significantly decreased lipid peroxide and free radical in the brain tissue of senile rats. 6. Jeongjihwan significantly increased survival rate of nerve cell exposed to oxygen free radical. According to the above results, Jeongjihwan is assumed to improve brain function by reacting on biochemical changes of the senile brain and carries effects of protecting against neurocytotoxicity, and that Jeongjihwan can be used to treat regressive brain disease carrying symptoms of psychoactive disorders.
This study evaluated the storage stability of a variety of sauce products in the Korean market, determined primary quality indices for three typical products, and proposed functional relationships that are useful for determining shelf life at different temperatures. Most of the products examined were found to combine hurdles of low pH, low water activity, and the use of heat processing as methods for producing the required storage stability while maintaining the sensory quality of the products. For a meat extract solution produced for cold noodles (pH=4.3; $a_w=0.98$), the primary quality change determining shelf life was lipid oxidation, determined here by the TBA value. The primary quality index of a soybean paste seasoning mix (pH=4.0; $a_w=0.78$), which had a microbial load of 2.8 log (CFU/g), was a decrease in its pH. The primary quality index for a sandwich spread (pH=4.0; $a_w=0.88$) was changes in its surface color. The temperature dependence of changes in the primary quality indices can be described by the Arrhenius equation, which can estimate the shelf life at any arbitrary limit as a function of temperature. The activation energies for changes in the primary quality indices of the meat extract solution, the soybean paste seasoning, and the sandwich spread were 20.3, 27.2, and 43.5 kJ/mol, respectively.
The neuropeptide substance P(SP) has been recognized to modulate immune systems, with close proximity between peptidergic sensory nerve endings and immune cells. These include the macrophage and neutrophil activation, IL-2 production in T cell, augmentation of Ig synthesis, mast cell degranulation, $PGE_2$ and collagenase secretion in synoviocytes. In this study I examined SP-induced various biological activities such as antimicrobial action, cytokine production, and mast cell degranulation in the presence or absence of other inflammatory cell activators. Antimicrobial studies showed that undifferentiated HL-60 cells were not affected by SP. However, SP significantly enhanced antimicrobial action of TPA-treated or dbcAMP-treated HL-60 cells which had been differentiated into PMN or macrophage/monocyte. I could not find synergistic relationship between SP and LPS in parallel experiments of the above. SP did not induce IL-l production from murine macrophage cell line RAW264.7 whether costimulated with LPS or not. Mast cell degranulation was occured only when stimulated with high dose ($10^{-5}M$) of SP and the degree of this activation was slightly reduced by simultaneous application of $MIP-1{\alpha}$. In addition, CGRP which is known to be a common coexisting neuropeptide with SP within specific fibers did not augment the function of SP on mast cell degranulation. These results suggest that immunoregulatory activities of SP could be mediated through direct upregulation of various functions of immune cells and also upregulation of responsiveness of immune cells to other immune activators.
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