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Dissertations / Theses on the topic 'Inpainting Algorithms'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 September 2023

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1

Mahalingam, Vijay Venkatesh. "DIGITAL INPAINTING ALGORITHMS AND EVALUATION." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/55.

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Digital inpainting is the technique of filling in the missing regions of an image or a video using information from surrounding area. This technique has found widespread use in applications such as restoration, error recovery, multimedia editing, and video privacy protection. This dissertation addresses three significant challenges associated with the existing and emerging inpainting algorithms and applications. The three key areas of impact are 1) Structure completion for image inpainting algorithms, 2) Fast and efficient object based video inpainting framework and 3) Perceptual evaluation of

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2

Li, Sheng. "An Evaluation of Image Inpainting Algorithms." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-15045.

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Image inpainting is a technique to repair damaged images or to remove/replace select regions. It was used to repair old artwork. It is also a part of movie special effects. With the extended application of electronic products, a lot of work done on mobile devices. But many algorithms may be unsuitable for mobile devices. The purpose of this work is to present an evaluation of several algorithms of image inpainting created in the past. Two classes of algorithms: Partial Differential Equations (PDEs) based algorithms and Exemplar-Based algorithms. The results show the advantages and disadvantage

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Hocking, Laird Robert. "Shell-based geometric image and video inpainting." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/281805.

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The subject of this thesis is a class of fast inpainting methods (image or video) based on the idea of filling the inpainting domain in successive shells from its boundary inwards. Image pixels (or video voxels) are filled by assigning them a color equal to a weighted average of either their already filled neighbors (the ``direct'' form of the method) or those neighbors plus additional neighbors within the current shell (the ``semi-implicit'' form). In the direct form, pixels (voxels) in the current shell may be filled independently, but in the semi-implicit form they are filled simultaneously

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Esser, John Ernest. "Primal dual algorithms for convex models and applications to image restoration, registration and nonlocal inpainting." Diss., Restricted to subscribing institutions, 2010. http://proquest.umi.com/pqdweb?did=2023768061&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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5

Köhler, Rolf [Verfasser], and Hendrik [Akademischer Betreuer] Lensch. "Advances in computational imaging : Benchmarking Deblurring Algorithms, Deep Neural Inpainting, Depth Estimation from Light Fields / Rolf Köhler ; Betreuer: Hendrik Lensch." Tübingen : Universitätsbibliothek Tübingen, 2016. http://d-nb.info/1164170279/34.

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6

Mach, Václav. "Doplňování chybějících vzorků v audio signálu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-240542.

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V oblasti zpracování signálů se v současné době čím dál více využívají tzv. řídké reprezentace signálů, tzn. že daný signál je možné vyjádřit přesně či velmi dobře aproximovat lineární kombinací velmi malého počtu vektorů ze zvoleného reprezentačního systému. Tato práce se zabývá využitím řídkých reprezentací pro rekonstrukci poškozených zvukových záznamů, ať už historických nebo nově vzniklých. Především historické zvukové nahrávky trpí zarušením jako praskání nebo šum. Krátkodobé poškození zvukových nahrávek bylo doposud řešeno interpolačními technikami, zejména pomocí autoregresního modelov

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Bartlová, Hana. "Doplňování chybějících dat ve zvukových signálech." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232075.

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This thesis deals with audio inpainting problem. Firstly, basic concepts are summarized. Then, sparse representation of signals is introduced along with several algorithms. In the main part dedicated to the audio inpainting, the problem is defined and actual methods are presented and compared. The newest approach using the harmonic strucure of sound signals is then introduced, followed by several experiments and evaluation. Lastly, an algorithm ensuring the maximal computational efficiency is derived.

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8

Paredes, Zevallos Daniel Leoncio. "Multi-scale image inpainting with label selection based on local statistics." Master's thesis, Pontificia Universidad Católica del Perú, 2014. http://tesis.pucp.edu.pe/repositorio/handle/123456789/5578.

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We proposed a novel inpainting method where we use a multi-scale approach to speed up the well-known Markov Random Field (MRF) based inpainting method. MRF based inpainting methods are slow when compared with other exemplar-based methods, because its computational complexity is O(jLj2) (L feasible solutions’ labels). Our multi-scale approach seeks to reduces the number of the L (feasible) labels by an appropiate selection of the labels using the information of the previous (low resolution) scale. For the initial label selection we use local statistics; moreover, to compensate the loss of infor

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9

Gambuti, Serena. "Fotoritocco di immagini tramite algoritmi con la tecnica dell'inpainting." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8894/.

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10

Kolbábková, Anežka. "Algoritmy doplňování chybějících dat v audiosignálech." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231131.

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Tato práce se zabývá doplňováním chybějících dat do audio signálů a algoritmy řešícími problém založenými na řídké reprezentaci audio signálu. Práce se zaměřuje na některé algoritmy, které řeší doplňování chybějících dat do audio signálů pomocí řídké reprezentace signálů. Součástí práce je také návrh algoritmu, který používá řídkou reprezentaci signálu a také nízkou hodnost signálu ve spektrogramu audio signálu. Dále práce uvádí implementaci tohoto algoritmu v programu Matlab a jeho vyhodnocení.

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11

Niang, Oumar. "Décomposition Modale Empirique : Contribution à la Modélisation Mathématique et Application en Traitement du Signal et de l'Image." Phd thesis, Université Paris XII Val de Marne, 2007. http://tel.archives-ouvertes.fr/tel-00878354.

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La Décomposition Modale Empirique (EMD), est une méthode de décomposition multi-résolution de signaux en fonctions Modes Intrinsèques (IMF) et cela, de manière auto-adaptative. En la couplant avec la transformée de Hilbert, elle devient une méthode d'analyse Temps-Fréquence , la transformée de Hilbert-Huang, permettant d'étudier bon nombre de classes de signaux. Malgré ces nombreuses applications, l'une des plus importantes limites de l'EMD est son manque de formalisme mathématique. A la place d'une interpolation par splines cubiques utilisée dans l'EMD classique, nous avons estimé l'enveloppe

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12

Kuo, Chi-Yung, and 郭智勇. "On Parallelization of Image Inpainting Algorithms in Multicore CPU Systems." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/m48572.

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碩士<br>靜宜大學<br>資訊碩士在職專班<br>97<br>The multi-core processor capability development has become one of the top business and product for vendors as Intel and AMD. Multi-core processors are widely used across many application domains, including: general-purpose, embedded, network, digital signal processing, and graphics. Just as with single-processor systems, cores in multi-core systems may implement architectures as multithreading. Image inpainting is an important research topic in the area of image restoration. Its main objective is to restore the lost information according to surrounding image in

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13

Jhih-MingLin and 林志明. "Inpainting-based Multi-view Synthesis Algorithms and Its GPU Accelerated Implementation." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/38951848542854512448.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>100<br>In this thesis, inpainting-based multi-view synthesis algorithms for 2-views glasses stereo or 9-views naked-eye display systems are proposed when their inputs are with one color image and depth map. Mostly, the depth-image-based rendering (DIBR) algorithms will produce some holes and cracks in the multi-view synthesized images. How to fill up holes and crack in multi-view synthesized image becomes an important issue for providing high quality 3D views. This work proposes a texture-based interpolation method, which can fix cracks in the image based on textu

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14

Gupta, Pradeep Kumar. "Denoising And Inpainting Of Images : A Transform Domain Based Approach." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/515.

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Many scientific data sets are contaminated by noise, either because of data acquisition process, or because of naturally occurring phenomena. A first step in analyzing such data sets is denoising, i.e., removing additive noise from a noisy image. For images, noise suppression is a delicate and a difficult task. A trade of between noise reduction and the preservation of actual image features has to be made in a way that enhances the relevant image content. The beginning chapter in this thesis is introductory in nature and discusses the Popular denoising techniques in spatial and frequency do

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Gupta, Pradeep Kumar. "Denoising And Inpainting Of Images : A Transform Domain Based Approach." Thesis, 2007. http://hdl.handle.net/2005/515.

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Many scientific data sets are contaminated by noise, either because of data acquisition process, or because of naturally occurring phenomena. A first step in analyzing such data sets is denoising, i.e., removing additive noise from a noisy image. For images, noise suppression is a delicate and a difficult task. A trade of between noise reduction and the preservation of actual image features has to be made in a way that enhances the relevant image content. The beginning chapter in this thesis is introductory in nature and discusses the Popular denoising techniques in spatial and frequency dom

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16

"A tight frame algorithm in image inpainting." 2007. http://library.cuhk.edu.hk/record=b5893356.

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Cheng, Kei Tsi Daniel.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2007.<br>Includes bibliographical references (leaves 45-49).<br>Abstracts in English and Chinese.<br>Abstract --- p.i<br>Acknowledgement --- p.iii<br>Chapter 1 --- Introduction --- p.1<br>Chapter 2 --- Background Knowledge --- p.6<br>Chapter 2.1 --- Image Restoration using Total Variation Norm --- p.6<br>Chapter 2.2 --- An Example of Tight Frame system --- p.10<br>Chapter 2.3 --- Sparse and compressed representation --- p.13<br>Chapter 2.4 --- Existence of minimizer in convex analysis --- p.16<br>Chapter 3 ---

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17

Hsueh, Shyang-lin, and 薛翔霖. "An Efficient Video Inpainting Algorithm with Shadow Enhancement." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/3b2484.

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碩士<br>國立臺灣科技大學<br>資訊工程系<br>100<br>Video inpainting is the process of repairing lost or deteriorated pixels in a video. Most existing video inpainting techniques are computationally expensive and cannot manage shadow reconstructions. In this work, we propose an efficient video inpainting algorithm with shadow enhancement. We evaluate the performance of our system based on several video sequences taken with a consumer hand-held camcorder. Experimental results show that our system not only provides more realistic inpainted video, but also saves up to 5 times of computational cost when comparing w

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18

Chen, Siou-Mei, and 陳秀梅. "An accelerating algorithm by exemplar-based image inpainting." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/79883943813251161505.

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碩士<br>國立高雄第一科技大學<br>資訊管理所<br>97<br>The application of image inpainting is diversified. By image inpainting, we could not only restore damaged paintings or photographs, but also remove or replace the object that you have selected .Nowadays, most of the researches take exemplar-based inpainting algorithm as a foundation and extend it. However, many researches have focused on visually plausible result, and ignored the time that filling process needs. In order to improve the problem of efficiency, quite a few of researches bring up methods that by narrowing the scope of the sample to reduce the ti

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19

Lin, Hong-Da, and 林宏達. "A FAST ALGORITHM FOR IMAGE INPAINTING VIA TEXTURE SYNTHESIS." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/20585302462631541083.

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碩士<br>大同大學<br>通訊工程研究所<br>94<br>In this thesis, we present a fast algorithm for image inpainting via texture synthesis. This method is categorized as a pixel-based texture synthesis technique. To assign the unknown target pixel in area yet to be filled in, the pixel-based texture synthesis technique requires a matching template which is a square matching window consisting of known pixels in an L-shape region of fixed direction. This technique can be applied efficiently to fill in regions of rectangle shape due to their horizontal searching direction; however, it does not function efficiently to

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20

Lo, Chien-wei, and 羅健瑋. "Am Image Inpainting Technique Based on the Color Difference Algorithm." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/gpcc9a.

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碩士<br>國立臺灣科技大學<br>材料科學與工程系<br>99<br>We can remove objects from digital images and replace them with visually plausible backgrounds via digital image processing. For the purpose of patching up automatically to fill in damaged areas in the image, we choose the region filling and object removal by exemplar- based image inpainting as our main framework. This algorithm searches the entire image to find the highest similarity and effective block to fill the gap. So it is likely to cause long operation time. Besides, if damaged areas are covered by the image foreground, it may cause some error for st

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21

Chen, Ching-Yi, and 陳慶懿. "Image Inpainting Based Algorithm and Architecture Design for Error Concealment." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/28009815697926862757.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>97<br>Error concealment(EC) technique can improve subjective video quality in decoder when the video bitstream is corrupted during transmission. In Chapter 2, a new error concealment algorithm for I-frames is proposed. To achieve perceptually comfortable results, image inpainting algorithm is adopted with structure information generated from edge information. In addition, mixed spatial-temporal inpainting scheme is also proposed for I-frames when the previous frame is available. Moreover, a block-based scheduling is also developed for the proposed algorithm to make

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HanqiangShan and 單漢強. "A Homography-based Inpainting Algorithm for Effective Depth Image-based Rendering." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/30192205624910882723.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>101<br>In the depth-image-based rendering (DIBR), hole-filling is one of the most important procedures for the quality of the DIBR results, especially in modern multi-view 3D-TV systems. To achieve photorealistic performance, in this thesis, we propose a novel inpainting algorithm for hole-filling. Rather than fill the holes by using neighboring pixels, the proposed method makes use of a reference image which contains the occluded information of the input image. The reference image is first segmented according to planes in the image by optical flow and graph cuts

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HU, CHIA-RUEY, and 胡家瑞. "Reversible Data Hiding Algorithm Based on Image Inpainting and Gradient Direction Prediction." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/61078933313149775271.

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碩士<br>開南大學<br>資訊學院碩士在職專班<br>103<br>Reversible data hiding technique enable the embedding of useful information in a host image without any loss of host information. This paper will present a novel reversible data hiding algorithm based on image inpainting and gradient edge direction prediction. We will use Sobel mask to generate the gradient edge direction from the host image, and the predicted image can be derived through image inpainting method. Therefore, we can calculate the differences between estimates and the origin image and transfer into histogram shifting technique. Messages can b

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Shen-TingWei and 魏慎廷. "A Natural Image Inpainting Algorithm by Global and Local Generative Adversarial Networks." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4nw9ha.

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25

Chang, Chih-Chuan, and 張志詮. "A Fast Detection Algorithm for Exemplar-based Image Inpainting Forgeries Using Multi-Region Correlation." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/26320812343362263338.

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碩士<br>國立東華大學<br>資訊工程學系<br>97<br>In the past decades, the issue of digital image forgery becomes more and more important owing to the popularization digital images and the power of image processing software. Digital image forensics concerns about the identification of image authenticity. Recently, many researchers have proposed different methods which could detect forged region effectively. Most of the detection forged images are generated by image processing software. A few researchers pay attention to exemplar-based inpainting technique which can also generate sophisticated forged image. In t

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