• Title/Summary/Keyword: texture modified

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Framework for Reconstructing 2D Data Imported from Mobile Devices into 3D Models

  • Shin, WooSung;Min, JaeEun;Han, WooRi;Kim, YoungSeop
    • Journal of the Semiconductor & Display Technology
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    • v.20 no.4
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    • pp.6-9
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    • 2021
  • The 3D industry is drawing attention for its applications in various markets, including architecture, media, VR/AR, metaverse, imperial broadcast, and etc.. The current feature of the architecture we are introducing is to make 3D models more easily created and modified than conventional ones. Existing methods for generating 3D models mainly obtain values using specialized equipment such as RGB-D cameras and Lidar cameras, through which 3D models are constructed and used. This requires the purchase of equipment and allows the generated 3D model to be verified by the computer. However, our framework allows users to collect data in an easier and cheaper manner using cell phone cameras instead of specialized equipment, and uses 2D data to proceed with 3D modeling on the server and output it to cell phone application screens. This gives users a more accessible environment. In addition, in the 3D modeling process, object classification is attempted through deep learning without user intervention, and mesh and texture suitable for the object can be applied to obtain a lively 3D model. It also allows users to modify mesh and texture through requests, allowing them to obtain sophisticated 3D models.

Fabrication of oxide buffer layers for coated conductors (MOD 공정에 의한 산화물 완충층 제조)

  • Km Young-Kuk;Yoo Jai-Moo;Ko Jae-Woong;Chung Kuk-Chae
    • Progress in Superconductivity and Cryogenics
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    • v.8 no.3
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    • pp.37-40
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    • 2006
  • Oxide buffer layers for YBCO coated conductors were fabricated using MOD processing and development of microstructure and texture were investigated. A $CeO_2$ buffer layers were formed on RABiTS tape. Acetate-based precursor solution was employed to synthesize the precursor solution. Subsequently, the precursor solution was stabilized and modified with triethanolamine. $CeO_2$ precursor gel film was coated and annealed in $Ar/H_2$ atmosphere at high temperature. An annealed $CeO_2$ film shows mixed orientation with high (001) texturing. It was shown that (111) texture of $CeO_2$ layers were enhanced by multiple coating. This degradation was attributed to development of microcracks in the multiply coated $CeO_2$ films. Also discussed are the synthesis and the characterization of $La_2Zr_2O_7$ (LZO) buffer layers on RABiTS tape. A biaxially textured LZO buffer layer was fabricated with MOD processing method using metal alkoxide based precursor solution. It was shown that the LZO film were epitaxially grown on RABiTS tape and crack-free & uniform surface was obtained after annealing in $Ar/H_2$ atmosphere.

Measuring the Effect of Disgust with Meat Mediating the Factors Influencing Meat Consumption (육류 소비에 영향을 미치는 요인들을 매개하는 육류 혐오감의 효과 평가)

  • Bae, Seong-Sik;Kang, Jong-Heon
    • Journal of the Korean Society of Food Culture
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    • v.22 no.4
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    • pp.414-419
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    • 2007
  • The purpose of this study was to measure the effect of disgust with meat mediating the factors influencing meat consumption. Structural equation model was used to measure the causal relationships among constructs. The structural analysis Result of the data indicated excellent model fit. The effects of moral concerns for animals, meat texture and satiety from meat on disgust with meat were statistically significant. The effects of color in meat and negative body esteem on disgust with meat were not statistically significant. As expected, disgust with meat had a significant effect on meat consumption. Moreover, disgust with meat played a mediating role in the relationship between moral concerns for animals and meat consumption. Disgust with meat played a mediating role in the relationship between satiety from meat and meat consumption. Disgust with meat did not play a mediating role in the relationship between color in meat and meat consumption. Disgust with meat did not play a mediating role in the relationship between body esteem and meat consumption. In conclusion, based on structural analysis, a model was proposed of interrelations among constructs. It should be noted that the original model was modified and should, preferably, be validated in future research.

Effect of Compression Test Conditions on Texture Profile Analysis of Surimi-based Products (압착실험조건이 어육연제품의 조직감 면모분석에 미치는 영향)

  • Lee, Young-Seung;Yoo, Byoung-Seung
    • Korean Journal of Food Science and Technology
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    • v.32 no.1
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    • pp.225-230
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    • 2000
  • The texture profile analysis (TPA) parameters of commercial surimi-based products were evaluated at various compression test conditions. Cylindrical specimens of diameter to length (D/L) ratio of 1.0, 1.5, B.() cm/min were compressed to 50, 65 and 80% using crosshead speeds of 1.7, 3.3, 6.7 cm/min. TPA parameters of three surimi-based products (hardness-1, hardness-2, cohesiveness, springiness, chewiness and gumminess) were analyzed statistically. The TPA parameters were modified by dividing with cross section area and strain. The TPA parameters were affected by D/L and compression ratio except for crosshead speed for all three surimi-based products. The ecommended test conditions for TPA of surimi-based products seem to be D/L of 1.5, compression ratio of 80%, and crosshead speed of 1.7 to 6.7 cm/min.

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Preparation and Quality Characteristics of Rice Breads (쌀이 주재료인 식빵의 제조 및 품질특성)

  • Kim, So-Joong;Kim, Hang-Jung;Ma, Seung-Jin;Kim, Seon-Jae
    • Journal of the Korean Society of Food Culture
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    • v.20 no.4
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    • pp.433-437
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    • 2005
  • The characteristic properties of rice breads produced from several conditions were investigated. The rice bread made in control condition (wheat flour), RF 3 (rice and wheat flour mixing) condition and RF 1 (rice, gluten and modified starch mixing) showed relatively higher volumethan others. The crust and crumb color were measured by Humter colory meter. The rice breads making on RF 5 and RF 6 condition showed higher crust L-value and the crumb L-value of the bread from RF 1 condition was higher than that from other condition. On the texture measuring by texture analyzer, hardness of the bread made from RF 1 and RF 2 conditions and cohesiveness of that from RF 3 condition were lower than control. However the significant higher level of the springiness and chewiness were showed in the bread from RF 1, RF 2 and RF 3 condition. The bread containing 85% of rice, 5% of rice, 5% of gluten and 10% of modified starch which was made in RF 1 condition obtained significant high overall acceptance score by sensory evaluation.

Quality Characteristics of a Korean Rice Cake (Karedduk) with Mixture of Trehalose and Modified Starch by Using Response Surface Methodology (반응표면분석을 이용한 트레할로스와 변성전분 혼합사용 떡의 품질 특성)

  • Kim, Sang-Sook;Chung, Hae-Young
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.38 no.3
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    • pp.377-383
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    • 2009
  • Texture and descriptive sensory characteristics of a Korean rice cake (Karedduk) added with mixture of trehalose and Sun-Tender were investigated after 2, 24, and 48 hrs of storage at $5^{\circ}C$. A central composite design was used for treatment arrangement. The trehalose were added in 0, 3, 6, 9 and 12% levels and Sun-Tender added in 0, 0.3, 0.6, 0.9, and 1.2% levels to dry rice flour. The mixture amounts of trehalose and Sun-Tender on texture and descriptive sensory characteristics of a Korean rice cake (Karedduk) were optimized using response surface methodology (RSM). The two independent variables selected for the RSM were amounts of trehalose ($X_1$) and amounts of Sun-Tender ($X_2$). The predicted value at stationary point or a minimum for texture hardness by RSM was found as 591.5440 after 24 hrs of storage at $5^{\circ}C$. Also the adhesiveness, hardness, cohesiveness and sweetness by sensory characteristics were significantly different as compared to the control. The results suggested that a Korean rice cake (Karedduk) added with mixture of trehalose and Sun-Tender can be made from the mixture amounts of trehalose 9.5826% and Sun-Tender 0.2216% in retarding retrogradation.

Deposition of Copper Film on Polytetrafluoroethylene (PTFE) Modified by 1 keV Ion Irradiation (1 keV $Ar^+$이온빔으로 개질된 polytetrafluoroethylene (PTFE) 위의 구리 박막 증착)

  • Cho, Jun-Sik;Yoon, Ki-hyun;Koh, Seok-Keun
    • Korean Journal of Materials Research
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    • v.10 no.1
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    • pp.77-82
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    • 2000
  • A surface of polytetrafluoroethylene(PTFE) was modified with changing ion doses by 1 keV $Ar^+$ ion irradiation and Cu films having thickness $5000\;{\AA}$ were deposited on the modified PTFE. The SEM study showed that the surface texture of modified PTFE was in the form of cones whose height increased depending on ion doses. Through XPS spectra, it was found that the intensity of F ls peaks decreased with ion doses by preferential sputtering of F atoms and the C-C and / or C-F chains were formed by the crosslinking in the newly unstable chains. Cu films were deposited uniformly along the filaments formed on the modified PTFE. In x-ray diffraction (XRD) spectra of deposited Cu films on modified PTFE, a preferred orientation along (111) and (200) planes was found and the peak intensity of (111) plane increased as surface roughness of modified PTFE increased. The resistivity of Cu films was changed from $2.7{\mu}{\Omega}cm$ of unmodified PTFE to $4.3{\mu}{\Omega}cm$ of modified PTFE at ion dose of $1{\times}10^{16}/\textrm{cm}^2$ and the abrupt increase of resistivity in the modified PTFE at ion dose of $1{\times}10^{17}/\textrm{cm}^2$ was due to being cut off the film which resulted from the increased surface roughness.

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Post-Processing for JPEG-Coded Image Deblocking via Sparse Representation and Adaptive Residual Threshold

  • Wang, Liping;Zhou, Xiao;Wang, Chengyou;Jiang, Baochen
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.11 no.3
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    • pp.1700-1721
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    • 2017
  • The problem of blocking artifacts is very common in block-based image and video compression, especially at very low bit rates. In this paper, we propose a post-processing method for JPEG-coded image deblocking via sparse representation and adaptive residual threshold. This method includes three steps. First, we obtain the dictionary by online dictionary learning and the compressed images. The dictionary is then modified by the histogram of oriented gradient (HOG) feature descriptor and K-means cluster. Second, an adaptive residual threshold for orthogonal matching pursuit (OMP) is proposed and used for sparse coding by combining blind image blocking assessment. At last, to take advantage of human visual system (HVS), the edge regions of the obtained deblocked image can be further modified by the edge regions of the compressed image. The experimental results show that our proposed method can keep the image more texture and edge information while reducing the image blocking artifacts.

Magnetic Properties and Microstructure of Nanocrystalline NdFeB Magnets Fabricated by a Modified Hot Working Process

  • Kim, Hyoung-Tae;Kim, Yoon-Bae;Jeon, Woo-Yong;Kim, Hak-Shin
    • Journal of Magnetics
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    • v.7 no.4
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    • pp.138-142
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    • 2002
  • Magnetic properties, microstructure and texture of NdFeB magnets fabricated by a modified hot working process from commercial melt-spun powders (Magnequench; MQPA, MQPB and MQPB+) have been investigated. The hot-pressed isotropic magnet made from MQPA powder, which contains higher Nd content than that of MQPB or MQPB+, shows higher coercivity. The magnet also shows homogenous and fine grains with higher coercivity for higher consolidation pressure. The hot-deformed MQPA magnet shows a strong anisotropy along the press direction with homogeneous platelet Nd$_2$Fe$_{14}$B grains of 50∼100nm in thickness and 200∼500nm in length. The hot-deformed MQPB+ magnet, however, shows low remanence and low coercivity. The microstructure of the magnet consists of two areas; undeformed Nd$_2$Fe$_{14}$B grains and well-aligned but large grains with 3∼4 $\mu$m in length. Low Nd content attributes to the formation of the two different area.

A Study on Edge Detection Algorithm using Modified Mask in Salt and Pepper Noise Images (Salt and Pepper 잡음 영상에서 변형된 마스크를 이용한 에지 검출 알고리즘에 관한 연구)

  • Lee, Chang-Young;Kim, Nam-Ho
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.18 no.1
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    • pp.210-216
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    • 2014
  • The edge in the image is a part which the brightness changes rapidly between the object and the object or objects and background, and includes information of the features such as size, position, orientation, and texture of the object. The edge detection is the technique that acquires these information of the images, and now the researches to detect edges are making steady progress. Typical conventional edge detection methods are Sobel, Prewitt, Roberts using the first derivative operator and Laplacian method using the second derivative operator and so on. These methods is more or less insufficient that the characteristics of the edge detection in the image added salt and pepper noise. therefore, in this paper, an edge detection algorithm using modified mask that applies different size mask according to noise density of local mask is proposed.