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Tesis sobre el tema "Digital image capture method"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 12 de febrero de 2022

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1

Berg, Crispen James. "High speed digital image capture method for a Digital Image-based Elasto-Tomography breast cancer screeing system." Thesis, University of Canterbury. Mechanical Engineering, 2006. http://hdl.handle.net/10092/1163.

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Digital Image-based Elasto-Tomography (DIET) is an emerging technology for non-invasive breast cancer screening. This technology relies on obtaining high resolution images of a breasts surface under high frequency actuation; typically 50-100Hz. Off-the-shelf digital cameras are unable to capture images directly at these speeds and current digital camera set-ups that are potentially capable of high speed image capture are either low in resolution, expensive, or occupy a volume too large to have them placed about the breast in a dense array. A method is presented for obtaining the required high

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2

Šiurna, Žilvinas. "Skaitmeninio vaizdo fiksavimo metodas: teisiniai ir kriminalistiniai aspektai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2007. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20070118_164201-69132.

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The graduating paper focuses on the digital image capture method in criminalistic and also on its legal regulation and practical resort in the law enforcement institutions‘ investigations of criminal acts. The digital image capture is one of the methods of digital image capture in criminalistic. Its structure contains digital photography and digital video recording. The digital photography is used for strategical and investigative photography. The usage of the digital image capture method investigating the criminal acts is not against the provision of the Criminal Procedure Code. This method i

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3

Ifflaender, Sascha, Mario Rüdiger, Arite Koch, and Wolfram Burkhardt. "Three-Dimensional Digital Capture of Head Size in Neonates – A Method Evaluation." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-127121.

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Introduction: The quality of neonatal care is mainly determined by long-term neurodevelopmental outcome. The neurodevelopment of preterm infants is related to postnatal head growth and depends on medical interventions such as nutritional support. Head circumference (HC) is currently used as a two-dimensional measure of head growth. Since head deformities are frequently found in preterm infants, HC may not always adequately reflect head growth. Laser aided head shape digitizers offer semiautomatic acquisition of HC and cranial volume (CrV) and could thus be useful in describing head size more p

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4

Ifflaender, Sascha, Mario Rüdiger, Arite Koch, and Wolfram Burkhardt. "Three-Dimensional Digital Capture of Head Size in Neonates – A Method Evaluation." Public Library of Science, 2013. https://tud.qucosa.de/id/qucosa%3A27279.

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Introduction: The quality of neonatal care is mainly determined by long-term neurodevelopmental outcome. The neurodevelopment of preterm infants is related to postnatal head growth and depends on medical interventions such as nutritional support. Head circumference (HC) is currently used as a two-dimensional measure of head growth. Since head deformities are frequently found in preterm infants, HC may not always adequately reflect head growth. Laser aided head shape digitizers offer semiautomatic acquisition of HC and cranial volume (CrV) and could thus be useful in describing head size more p

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5

Casanueva, Luis. "Minimal motion capture with inverse kinematics for articulated human figure animation." Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1006485.

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Animating an articulated figure usually requires expensive hardware in terms of motion capture equipment, processing power and rendering power. This implies a high cost system and thus eliminates the use of personal computers to drive avatars in virtual environments. We propose a system to animate an articulated human upper body in real-time, using minimal motion capture trackers to provide position and orientation for the limbs. The system has to drive an avatar in a virtual environment on a low-end computer. The cost of the motion capture equipment must be relatively low (hence the use of mi

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6

Apted, Trent Heath. "Cruiser and PhoTable exploring tabletop user interface software for digital photograph sharing and story capture /." Connect to full text, 2008. http://hdl.handle.net/2123/4207.

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Thesis (Ph. D.)--University of Sydney, 2009.<br>Includes graphs and tables. Includes index. Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Information Technologies in the Faculty of Engineering & Information Technologies. Title from title screen (viewed 28 April, 2009) Degree awarded 2009; thesis submitted 2008. Includes bibliographical references. Also issued in print.

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7

Casey, Charles Joseph. "ENHANCEMENTS TO THE MODIFIED COMPOSITE PATTERN METHOD OF STRUCTURED LIGHT 3D CAPTURE." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/226.

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The use of structured light illumination techniques for three-dimensional data acquisition is, in many cases, limited to stationary subjects due to the multiple pattern projections needed for depth analysis. Traditional Composite Pattern (CP) multiplexing utilizes sinusoidal modulation of individual projection patterns to allow numerous patterns to be combined into a single image. However, due to demodulation artifacts, it is often difficult to accurately recover the subject surface contour information. On the other hand, if one were to project an image consisting of many thin, identical strip

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8

Comeau, Richard G. "Prediction of screener-induced moire in digital halftone pattern generation /." Online version of thesis, 1990. http://hdl.handle.net/1850/11319.

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9

IGLESIAS, JULIO CESAR ALVAREZ. "A METHOD FOR THE CHARACTERIZATION OF IRON ORE SINTER: DIGITAL MICROSCOPY AND IMAGE ANALYSIS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=13047@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Neste trabalho, propõe-se uma metodologia para a caracterização de sínter de minério de ferro através de microscopia digital e análise de imagens. O sínter é um material multifásico, com macro e microestrutura heterogêneas. Em geral, as principais fases são hematita, magnetita, ferritos e silicatos, além de poros. Empregando um microscópio óptico automatizado, imagens individuais em alto aumento, cobrindo toda a área da seção transversal das amostras, foram obtidas. Da mesma forma e cobrindo a mesma área, foram obtidas im

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10

Kauffmann, Hans. "A digital image analysis method for monitoring crack growth in metal fatigue testing / H. Kauffmann." Thesis, North-West University, 2005. http://hdl.handle.net/10394/976.

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Metal fatigue tests are an everyday occurrence that updates existing fatigue libraries, ensuring that structures and components do not fail when in use. The American Society for Testing and Materials (ASTM) provides standard tests whereby certain material properties are obtained by the exact same method for each test, providing designers the information to prevent premature failure. The Fatigue Crack Growth Rate (FCGR) of a standard specimen provides information for situations where a crack may exist in components. The critical size of the crack determines when it is safe to use a component an

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11

Jeong, Gi Young. "Tensile Properties of Loblolly Pine Strands Using Digital Image Correlation and Stochastic Finite Element Method." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/29563.

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Previous modeling of wood materials has included many assumptions of unknown mechanical properties associated with the hierarchical structure of wood. The experimental validation of previous models did not account for the variation of mechanical properties present in wood materials. Little research has explored the uncertainties of mechanical properties in earlywood and latewood samples as well as wood strands. The goal of this study was to evaluate the effect of the intra-ring properties and grain angles on the modulus of elasticity (MOE) and ultimate tensile strength (UTS) of different orien

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12

Hoffenberg, Steven. "The tug function : a method of context sensitive dot structuring for digital halftones /." Online version of thesis, 1990. http://hdl.handle.net/1850/11500.

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13

Peters, Ashton. "Digital Image Elasto-Tomography: Mechanical Property Reconstruction from Surface Measured Displacement Data." Thesis, University of Canterbury. Department of Mechanical Engineering, 2007. http://hdl.handle.net/10092/2775.

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Interest in elastographic techniques for soft tissue imaging has grown as relevant research continues to indicate a correlation between tissue histology and mechanical stiffness. Digital Image Elasto-Tomography (DIET) presents a novel method for identifying cancerous lesions via a three-dimensional image of elastic properties. Stiffness reconstruction with DIET takes steady-state motion captured with a digital camera array as the input to an elastic property reconstruction algorithm, where finite element methods allow simulation of phantom motion at a range of internal stiffness distributions.

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14

Glotzbach, John William. "A Color Filter Array Interpolation Method Based on Sampling Theory." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4785.

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Digital cameras use a single image sensor array with a color filter array (CFA) to measure a color image. Instead of measuring a red, green, and blue value at every pixel, these cameras have a filter built onto each pixel so that only one portion of the visible spectrum is measured. To generate a full-color image, the camera must estimate the missing two values at every pixel. This process is known as color filter array interpolation. The Bayer CFA pattern samples the green image on half of the pixels of the imaging sensor on a quincunx grid. The other half of the pixels measure the red an

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15

Koontz, John Timothy. "Digital image-based finite element modeling : simulation of mechanically-induced bone adaptation." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16474.

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16

Jonsson, Björn. "A digital image correlation method for detection of fatigue cracks in non-load carrying T-joints." Thesis, KTH, Lättkonstruktioner, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234905.

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In dynamical loaded welded structures fatigue life is often a limiting factor. Common practise is to reduce nominal stress by increased material thickness which leads to oversized, heavy structures. Those practises are replaced by improvement of production and designingtechniques to utilize better properties of high strength steels.When improving for example quality of welds, issues can occur that standards today did not consider and new test methods can be valuable.In this thesis a method for crack detection in non-load carrying T-joints have been tested. Specimens are made from 6mm Strenx 96

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17

Charras, Guillaume Thomas. "Digital Image-Based Finite Element Modeling (DIBFEM) : validation and application to biological structures." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17765.

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18

Van, der Westhuizen W. J. (Willem Joseas). "Development of a high speed PCI data capture card for the SUNSAT I ground station." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52763.

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Thesis (MScEng)--University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: The primary payload of the University of Stellenbosch's micro-satellite, SUNSAT I, was a high quality imager, capable of taking stereoscopic images of the surface of the earth. Although the orbit of SUNSAT I will have the satellite pass over the whole earth, contact via the SUNSAT I ground station at the University will only be made for 3% of each day. To be able to photograph any part of the earth onboard memory was provided on the satellite to store the image until it can be downloaded to the ground station. A hig

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19

Emanuelsson, Patrik. "Study of a new method to measure the stresses in rock by image technology : Use of sawn slots and DIgital Image Correlation." Thesis, Luleå tekniska universitet, Geoteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68646.

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In rock constructions and mining it is important to know the current stress situation in the rock due to safety and construction reasons. Two of the widely used stress measurement methods are overcoring and hydraulic fracturing. Both methods are expensive, need new boreholes, and are complex and time consuming. The methods are also limited by the number of successfully achieved measurements series. An alternative method is therefore investigated by locally relieving stresses around the borehole wall using sawn slots. To determine the stresses in the rock, strain measurements will be done using

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20

Appia, Vikram V. "A color filter array interpolation method for digital cameras using alias cancellation." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22542.

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Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Russell Mersereau; Committee Member: Anthony J. Yezzi; Committee Member: Yucel Altunbasak.

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21

Ge, Fei. "The lattice Boltzmann method dedicated to image processing." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI012.

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La méthode de Boltzmann sur réseau est un outil de simulation numérique dont la formulation à l'échelle mésoscopique permet d'éviter la résolution d'une équation différentielle, et repose sur des mécanismes de propagation et de collision au cours du temps, de distributions de particules se propageant sur un réseau régulier. Si les lois de conservation sont imposées en chaque nœud du réseau, alors la solution générée correspondra à la modélisation de phénomènes physiques à l'échelle macroscopique. Dans ce contexte la méthode de Boltzmann est tout à fait adaptée pour résoudre un problème de méca

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22

Mejias, De Pernia Yolibeth. "Prediction of the Optimum Binder Content of Open-Graded Friction Course Mixtures Using Digital Image Processing." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5888.

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Florida Department of Transportation (FDOT) has been using Open Graded Friction Course (OGFC) mixture to improve skid resistance of asphalt pavements under wet weather. The OGFC mixture design strongly depends on the Optimum Binder Content (OBC) which represents if the mixture has sufficient bonding between the aggregate and asphalt binder. At present, the FDOT designs OGFC mixtures using a pie plate visual draindown method (FM 5-588). In this method, the OBC is determined based on visual inspection of the asphalt binder draindown (ABD) configuration of three OGFC samples placed on pie plates

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23

Allard, Christopher E. "Development of a non-destructive optical method to measure residual stress in thin rectangular samples employing digital image processing." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/20645.

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24

Berg, Crispen James. "High speed digital image capture method for a digital image-based elasto-tomography breast cancer screening system : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Mechanical Engineering in the University of Canterbury /." 2006. http://library.canterbury.ac.nz/etd/adt-NZCU20070613.093413.

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25

CHEN, PAO-CHYUAN, and 陳寶全. "All digital color image capture system." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/86279642752940539240.

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26

Chaung, Yu-Sheng, and 莊渝昇. "Computer Vision Method Applied to Financial Account Image Information Capture." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/p5m5dy.

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碩士<br>靜宜大學<br>財務工程學系<br>107<br>With the advancement of information and the evolution of the times, many tasks have been replaced by various automated data processing processes. Information technology can provide more convenient and fast problem solving methods. For example, image recognition technology can assist face recognition. Applications provide us with a more convenient life. This study uses image automation processing and digital identification technology to construct an information processing process that can retrieve important digital information such as bank account number on the po

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27

Egoda, Gamage Ruwan Janapriya. "A high resolution 3D and color image acquisition system for long and shallow impressions in crime scenes." Thesis, 2014. http://hdl.handle.net/1805/5906.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>In crime scene investigations it is necessary to capture images of impression evidence such as tire track or shoe impressions. Currently, such evidence is captured by taking two-dimensional (2D) color photographs or making a physical cast of the impression in order to capture the three-dimensional (3D) structure of the information. This project aims to build a digitizing device that scans the impression evidence and generates (i) a high resolution three-dimensional (3D) surface image, and (ii) a co-registered two-dimensional (2D) col

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28

Chen, Yu-Hsiang, and 陳鈺翔. "Strain Measurement Using Digital Image Correlation Method." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/10901417533429290795.

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碩士<br>國立中興大學<br>機械工程學系所<br>99<br>Digital image correlation method is a non-contact, non-destructive optical measuring method, the principle is the second image by comparing each pixel with the first image (reference image) in the fixed point of reference pixel correlation to find images from the second image with the first reference pixel has a maximum correlation of the pixels, the point that this reference in the second pixel of the image of the corresponding points in the statistics there are several kinds of method used to calculate the correlation coefficient, used in digital image correl

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29

ZHOU, YOU-LIANG, and 周祐諒. "Application of the digital image correlation method to image stitching." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/17087065999970008153.

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碩士<br>國立高雄大學<br>土木與環境工程學系碩士班<br>104<br>Unmanned aerial vehicle (UAV) can be used to take aerial photographs, and it has been rapidly developed in many fields in recent years. This study uses digital image correlation method (DIC) to increase precision of image stitching and three-dimensional terrain model. DIC will be applied in two ways. Firstly, DIC is used to locate control points’ image positions in different photos, so that the precision of image stitching and three-dimensional terrain model will increase by raising control points’ precision. Secondly, DIC is used to match feature points

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30

Kumar, Deepak. "Methods for Text Segmentation from Scene Images." Thesis, 2014. http://etd.iisc.ernet.in/handle/2005/2693.

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Recognition of text from camera-captured scene/born-digital images help in the development of aids for the blind, unmanned navigation systems and spam filters. However, text in such images is not confined to any page layout, and its location within in the image is random in nature. In addition, motion blur, non-uniform illumination, skew, occlusion and scale-based degradations increase the complexity in locating and recognizing the text in a scene/born-digital image. Text localization and segmentation techniques are proposed for the born-digital image data set. The proposed OTCYMIST technique

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31

Liao, Jhan-Jhang, and 廖展章. "Digital Image Forensic Method Using Image Invariant Feature and Region Correlation." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/9xum86.

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碩士<br>國立臺北科技大學<br>電機工程系研究所<br>100<br>With the coming of age of the digital era, it brings us a colorful digital life. However, the authenticity of digital image has become an important issue as the digital image is easily modified. Region duplication is a common and simple way to modify or tamper the digital image. The recent methods proposed in literature are based on spare image invariant feature (such as SIFT, SURF), and can effectively detect the geometric and brightness tampering. However, they fail to detect the tampering when the image invariant feature is inadequate, and often misclass

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32

Wu, Yu-Hsin, and 伍玉馨. "Digital Image Sharpening Method Using Fractional Differential Operation." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/52497410611901185183.

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碩士<br>國立高雄第一科技大學<br>電腦與通訊工程所<br>97<br>In many image processing applications, edge enhancement is often accomplished by using integer-order differentiation operators. In this thesis, a new digital image sharpening method is presented by using fractional derivative. First, the definition of fractional derivative is discussed which is a generalized version of conventional integer order derivative in calculus. Then, fractional order differentiators are designed by using least-squares, binomial series expansion and the Grünwald-Letnikov derivative. Next, the fractional order differentiator is used

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33

Chan, Yueh-Chun, and 詹岳鈞. "Digital Image Matting Method Based on Quadratic Programming." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/66885516409280380061.

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碩士<br>國立高雄第一科技大學<br>電腦與通訊工程所<br>97<br>In recent years, the digital image matting method has received great attentions in the applications of image processing. Given a digital image C, it can be composed of foreground object F and background B by the matting equation C=αF+(1-α)B, where α is called matting parameter. The matting problem is how to determine F, B and α from C. In this thesis, the modified Bayesian method is first studied. Experimental results reveal that the performance of Bayesian method depends on the choice of the prescribed trimap. Then, the quadratic programming (QP) method i

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34

Hsu, Cheng-Chien, and 徐誠謙. "Semi-fragile Image Authentication method based on Digital Watermark and Digital Signature." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/81851784271750731691.

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碩士<br>南台科技大學<br>資訊工程系<br>94<br>Image authentication technologies can be classified into three categories: Robust, Fragile and Semi-fragile. Currently, robust authentication schemes allowed any kind of image modifications. Fragile authentication schemes are sensitive for common attacks, in other words, it is fragile to any kind of image modification. Semi-fragile image authentication method is different between the above methods. It may allow the non-malicious modifications (such as JPEG, scaling), but can’t allow the malicious modifications (such as tamper, pasting). In this thesis, we present

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35

Shao-PangPai and 白紹邦. "Detection of Beam Damage Using Digital Image Correlation Method." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/48885129284748283799.

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碩士<br>國立成功大學<br>土木工程學系碩博士班<br>100<br>This thesis used a digital camera and the testing machine (Instron 8801) for experiments applied the digital image correlation method to detect the beam damage. This experiment had three parts: (1) Using images of the specimens before and after the force, we calculated the displacement through a computer program written by the digital image correlation theory directly. (2) Cutting a slit at the central of specimens with the same experimental methods and programs to analyze the results and discuss their relationship, the results revealed that more displaceme

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36

Chu, Pei-Fang, and 祝珮芳. "A Method of Bicolor Image Watermark by Digital Halftoning." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/z4b8ej.

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37

Shen, Min-Chien, and 沈旻建. "Strain and Morphology Measurement by Digital Image Correlation Method." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/61983871064415332864.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>99<br>Digital image correlation (DIC) is a whole-field, non-contact and non-destructive strain measuring method. This method captures the surface image of a specimen before and after the deformation, and then the displacement as well as strain information about the surface of the specimen can be obtained by analyzing the change of the images. In this work, a two-step DIC is presented. In the first step, the coarse-fine iterative technique is used to search the displacement of an interested region of the specimen, and then the strain can be obtained by utilizing th

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38

Wu, Wan-cheng, and 吳宛錚. "Application of the digital image correlation method to the micro Hole-Drilling method." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/40613710154500254081.

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碩士<br>國立高雄大學<br>土木與環境工程學系碩士班<br>98<br>After the components of structure or machinery are processed, the proceeding such as high-temperature forging might generate the residual stress. Residual stress will reduce the strength or service life of component; hence, the measurement of residual stress is important to ensure the safety of structure and machinery. The Hole-Drilling method described in ASTM-E837-01 is a semi-destructive measurement method, strain gauges are attached around the hole to measure the surface strain in various drilling depth. With the decreasing of diameter, the destruction

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39

Chen, Wei-Ting, and 陳威廷. "Digital Image Correlation Method and Deflection Measurements for Structure Members." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/79191880243838091751.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>99<br>Digital image correlation methods (DICM) are important tools in experimental solid mechanics. DICM is becoming very versatile and cost effective due to the dramatic improvement over the digital cameras. Current study applies DICM to displacement measurements of full-scale concrete beams. Computer programs are implemented and tested against the contact measurements using a linear variable differential transformer (LVDT). The calculated displacements agree with the LVDT measurements that the difference is mostly within 3%. The DICM programs produce similar displ

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40

Wang, Shou-Hsueh, and 王守學. "Investigation of Displacement Measurement Error of Digital Image Correlation Method." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/uhv86p.

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41

Chen, Bo-Fu, and 陳柏甫. "NEW CALIBRATION PROCEDURES OF THREE-DIMENSIONAL DIGITAL IMAGE CORRELATION METHOD." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/24527800875719144019.

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42

Nguyen, Thi-Mong-Cam, and 阮氏夢琴. "Measurement of Structure Deformation by the Digital Image Correlation Method." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4vmz78.

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碩士<br>國立中央大學<br>土木工程學系<br>106<br>Recently, the Digital Image Correlation (DIC) technique has been developed for structural deformation measurement. This system could provide information for field monitoring and greatly enhance the accuracy which able to do the whole field non-contact measurements of the structural engineering experiments. This technology takes over the conventional method at data acquisition system mobility and cost-effective. This study used the full-scale experiment of different structure and building material to investigate the precision of DIC system in both two and three

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Tsai, Feng-Jen, and 蔡豐任. "Application of Digital Image Correlation Method to Structural Health Monitoring." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/86247557119646119366.

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碩士<br>國立高雄第一科技大學<br>營建工程所<br>98<br>Structural health monitoring techniques are gaining new attention in the field of structural engineering, as they are applicable to on-line structural monitoring, seismic evaluation, and retrofit of old buildings. Structural health diagnosis includes three processes: beginning with the structural state measurement, then identification of the system mode and physical parameters, and finally the structural health condition assessment. In the past, acceleration sensors play an important role to measurement for system identification because of its relatively high

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Lan, Jian-Hao, and 藍健豪. "High Strain Area Measurement by Using Digital Image Correlation Method." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/30295957314686874151.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>95<br>Digital image correlation (DIC) method is a whole-field, non-contact, and non-destructive strain measuring method. This method compares the digital images of the surface of a specimen taken before and after deformation to find the displacement and strain of a selected subset. This study applies adaptive real-parameter genetic algorithm (ARGA) to seek for the optimum solutions. To improve the digital image correlation method, the previous program has been modified to reduce its error, and the effects of population size, generation number, and iteration number

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Chao, Chung-Min, and 趙崇閔. "Appling Digital Image Correlation Method on Extracting In-plane Displacement." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/80231145715310154809.

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碩士<br>國立中興大學<br>機械工程學系所<br>94<br>This research is based on digital image processing technology where the in-plane deformation/displacement can be computed based on image correlation method with the sequential surface images of the object and could be acquired by a CCD camera. The advantage of implementing digital image correlation method on displacement/deformation measurement includes a measuring scale without limit as well as its utility for extremely large scale image acquisition purposes obtained by synthetic aperture radar for analysis of earth''s crust plate displacement and for SEM ima

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LIU, HUI-TANG, and 劉輝堂. "A method for digital image coding with high compression ratio." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/22526252403728701410.

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Chen, Yen-an, and 陳彥安. "Application of Digital Image Correlation Method to Identify the Landsliding based on Satellite Image." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/31477500094119556863.

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碩士<br>國立高雄大學<br>土木與環境工程學系碩士班<br>99<br>The satellite image has following characteristics: short capture period, ability to detect the change of the earth surface rapidly, large coverage, large amount of information, multiple spectra and the ability of repeating observations. Therefore, instead of the traditional method of site investigation, which is limited by weather conditions, expenditure, and traffic situation, the remote sensing technology based on satellite image is gradually used to determine the occurrence locations of landslide disasters and their quantities. In this study, we appl

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KUONG, TAM IO, and 譚耀光. "Color Filter Array Interpolation Method and Digital Image Watermark Technique for Digital Still Cameras." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/18904262571141547270.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>88<br>Digital still cameras have been widely used as image input device nowadays. Before a color image is generated, a lot of color image processes must be performed. Among these color image processes, the Color Filter Array (CFA) interpolation maybe the most important image process in digital still cameras. In this dissertation, we study the CFA interpolation problem, and we also develop an effective CFA interpolation algorithm. Recently, the idea of trustworthy digital camera is proposed. Digital cameras with automatic watermark function will be a new trend i

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LIANG, CHING-WEN, and 梁景文. "Development of object edge measurement method using digital image correlation principle." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/2fq5g3.

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博士<br>國立臺北科技大學<br>機電科技研究所<br>105<br>This study presents a development of precision 3-D profile speckle measurement system for intelligent machine tool including a compact random laser speckle measuring probe and a 3-D edge detection algorithm. Digital image correlation (DIC) has been surged as a full-field speckle measurement technique for in-plane and out-of-plane dynamic mechanical structure analyses. However, up to date, one of the key issues in DIC is still remained in boundary edge detection since a surface edge is not detectable between two discrete neighboring height jumps due to undesi

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Ceng, Wen-Zhong, and 曾文鍾. "Digital image correlation method of the two-dimensional static displacement measurement." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/22143733916499701243.

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碩士<br>國立中興大學<br>機械工程學系所<br>101<br>In this paper, digital image correlation method was employed to developed the measuring system, this research was focus on measure 2 dimension object it was mainly used to measuring target displacement and angle rotation. The digital image correlation method’s advantages have: simple structure, smaller environmental factors effect than other measurement method. It can use as local measurement or global measurement of non-contact. As research priorities in this thesis, via reduce the digital image correlation method of computation is a key to improved computing

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