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New Techniques For Three Dimensional Surface Measurement And Reconstruction Using Coloured Structured Light
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Book Synopsis New Techniques for Three-dimensional Surface Measurement and Reconstruction Using Coloured Structured Light by : Oleksandr Skydan
Download or read book New Techniques for Three-dimensional Surface Measurement and Reconstruction Using Coloured Structured Light written by Oleksandr Skydan and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Technique for Three Dimensional Surface Measurement and Reconstruction Using Coloured Structured Light by : Oleksandr Skydan
Download or read book New Technique for Three Dimensional Surface Measurement and Reconstruction Using Coloured Structured Light written by Oleksandr Skydan and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 3-D Surface Geometry and Reconstruction: Developing Concepts and Applications by : Chandra Pati, Umesh
Download or read book 3-D Surface Geometry and Reconstruction: Developing Concepts and Applications written by Chandra Pati, Umesh and published by IGI Global. This book was released on 2012-02-29 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides developers and scholars with an extensive collection of research articles in the expanding field of 3D reconstruction, investigating the concepts, methodologies, applications and recent developments in the field of 3D reconstruction"--
Book Synopsis 3D Surface Reconstruction Using Structured Light Technique by : Sze Leong Ong
Download or read book 3D Surface Reconstruction Using Structured Light Technique written by Sze Leong Ong and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Visual Computing by : George Bebis
Download or read book Advances in Visual Computing written by George Bebis and published by Springer. This book was released on 2014-12-02 with total page 989 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volume set LNCS 8887 and 8888 constitutes the refereed proceedings of the 10th International Symposium on Visual Computing, ISVC 2014, held in Las Vegas, NV, USA. The 74 revised full papers and 55 poster papers presented together with 39 special track papers were carefully reviewed and selected from more than 280 submissions. The papers are organized in topical sections: Part I (LNCS 8887) comprises computational bioimaging, computer graphics; motion, tracking, feature extraction and matching, segmentation, visualization, mapping, modeling and surface reconstruction, unmanned autonomous systems, medical imaging, tracking for human activity monitoring, intelligent transportation systems, visual perception and robotic systems. Part II (LNCS 8888) comprises topics such as computational bioimaging , recognition, computer vision, applications, face processing and recognition, virtual reality, and the poster sessions.
Book Synopsis Proceedings of the European Computing Conference by : Nikos Mastorakis
Download or read book Proceedings of the European Computing Conference written by Nikos Mastorakis and published by Springer Science & Business Media. This book was released on 2010-03-16 with total page 789 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Computing Conference offers a unique forum for establishing new collaborations within present or upcoming research projects, exchanging useful ideas, presenting recent research results, participating in discussions and establishing new academic collaborations, linking university with the industry. Engineers and Scientists working on various areas of Systems Theory, Applied Mathematics, Simulation, Numerical and Computational Methods and Parallel Computing present the latest findings, advances, and current trends on a wide range of topics. This proceedings volume will be of interest to students, researchers, and practicing engineers.
Book Synopsis A NURBS Based 3D Object Reconstruction Using Colour-coded Structured Light by : Philippe Lavoie
Download or read book A NURBS Based 3D Object Reconstruction Using Colour-coded Structured Light written by Philippe Lavoie and published by . This book was released on 2004 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time-of-Flight and Structured Light Depth Cameras by : Pietro Zanuttigh
Download or read book Time-of-Flight and Structured Light Depth Cameras written by Pietro Zanuttigh and published by Springer. This book was released on 2016-05-24 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the key technologies and applications related to new cameras that have brought 3D data acquisition to the mass market. It covers both the theoretical principles behind the acquisition devices and the practical implementation aspects of the computer vision algorithms needed for the various applications. Real data examples are used in order to show the performances of the various algorithms. The performance and limitations of the depth camera technology are explored, along with an extensive review of the most effective methods for addressing challenges in common applications. Applications covered in specific detail include scene segmentation, 3D scene reconstruction, human pose estimation and tracking and gesture recognition. This book offers students, practitioners and researchers the tools necessary to explore the potential uses of depth data in light of the expanding number of devices available for sale. It explores the impact of these devices on the rapidly growing field of depth-based computer vision.
Book Synopsis Advanced Image Acquisition, Processing Techniques and Applications by : Dimitrios Ventzas
Download or read book Advanced Image Acquisition, Processing Techniques and Applications written by Dimitrios Ventzas and published by BoD – Books on Demand. This book was released on 2012-03-14 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Advanced Image Acquisition, Processing Techniques and Applications" is the first book of a series that provides image processing principles and practical software implementation on a broad range of applications. The book integrates material from leading researchers on Applied Digital Image Acquisition and Processing. An important feature of the book is its emphasis on software tools and scientific computing in order to enhance results and arrive at problem solution.
Book Synopsis Three-dimensional Object Reconstruction Using Structured Light and Two Two-dimensional Images by : Philippe Lavoie
Download or read book Three-dimensional Object Reconstruction Using Structured Light and Two Two-dimensional Images written by Philippe Lavoie and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For machine vision and for graphical representation of real objects in a computer environment, the three-dimensional (3D) reconstruction of the image of a real object has become a key technique. A few methods such as range finding, which use laser scanners, computer tomography, based on CTR or MRI machines, computational stereo, etc. were developed. Computational stereo is broadly defined as the recovery of 3D characteristics of a scene from a series of images obtained from different points in the three dimensional (Euclidean) space. In this thesis, a new algorithm and system is introduced and developed for the 3D reconstruction of the images of real objects from two 2D images required with two cameras. The algorithm is based on a new matching method, a new procedure for the determination of the fundamental matrix used in stereo vision, and a new technique for stereo fusion. The novelty of the matching procedure, and of the determination of the camera alignment, consists of the projection of a structured light pattern on the real object, the pattern being created using a pseudo-random encoded mesh (PRBA) (34). The novelty of the stereo fusion algorithm consists of the application of the dynamic programming principle (DP) (5) (27) using a cost function which contains the information obtained from the list of matched points. It is also proposed to use an autoregressive (AR) modeling technique for calculating the stereo disparity of each pixel of the two images. The autoregressive filter helps the DP part of the algorithm to calculate the disparity of the pixels when the above pixels are occluded. The above proposed methods offer three distinctive advantages over a conventional stereo system: (1) It easily generates a list of matching points. (2) It adds structure to an object without textures. (3) It is less computational intensive.
Book Synopsis Applications of Structured Light to 3D Surface Topography Using Moire Pattern and to 3D Imaging of Phase Objects by : Haiyun Guo
Download or read book Applications of Structured Light to 3D Surface Topography Using Moire Pattern and to 3D Imaging of Phase Objects written by Haiyun Guo and published by . This book was released on 2021 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-dimensional (3D) reconstruction plays an important role in imaging research filed. Structured light technology has been widely used in 3D imaging, recognition and measurement, indicating great industrial and commercial value. In this thesis, a simple and robust technique of Moiré topography with single-image capture and incorporating digital filtering along with a four-step digitally implemented phase-shifting method is introduced for 3D surface mapping. Feature details in the order of tens to hundreds of microns can be achieved using interferometrically generated structured light to illuminate the object surface. The feasibility of this technique is verified experimentally, and applications to metallic surfaces are demonstrated. Next, a simple non-interferometric incoherent light propagation model is introduced to perform 3D profiling of transparent objects with typical thicknesses in the order of mm to cm by analyzing the distorted captured image behind the object. A two-dimensional (2D) cosine fringe is used as the incident reference image, whose periodicity is markedly altered by the shape of the object. By monitoring the local change in the period, the surface profile is simulated and optimized to achieve minimal error with experimental data to determine the final morphology. Besides, core principles of ghost imaging and optical scan holography are also discussed.
Book Synopsis Coded Optical Imaging by : Jinyang Liang
Download or read book Coded Optical Imaging written by Jinyang Liang and published by Springer Nature. This book was released on with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of 3D Machine Vision by : Song Zhang
Download or read book Handbook of 3D Machine Vision written by Song Zhang and published by Taylor & Francis. This book was released on 2016-04-19 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Choosing from the numerous 3D vision methods available can be frustrating for scientists and engineers, especially without a comprehensive resource to consult. Filling this gap, this handbook gives an in-depth look at the most popular 3D imaging techniques. Written by key players in the field and inventors of important imaging technologies, it helps you understand the core of 3D imaging technology and choose the proper 3D imaging technique for your needs. For each technique, the book provides its mathematical foundations, summarizes its successful applications, and discusses its limitations.
Book Synopsis Real-time Full-field Range-sensing for Three-dimensional Surface-shape Measurement by : Peirong Jia
Download or read book Real-time Full-field Range-sensing for Three-dimensional Surface-shape Measurement written by Peirong Jia and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-dimensional (3-D) surface-geometry measurement using structured light is commonly used for digital modeling of an object or environment when the geometry is unknown. Digital fringe projection with phase-shifting has become an increasingly common measurement method as it is a full-field method to improve acquisition speed over point-by-point and line-by-line methods, and it encodes all lines in the pattern to reduce the ambiguity problem that occurs with multiple-line projection methods. However, fringe-projection phase-shifting techniques are still limited in the speed of measurement, partly due to the use of projected light patterns that require complex computation, or that require several steps of repeated measurements with several images in order to reconstruct the 3-D object surface. This doctoral dissertation addresses the development of new methods for real-time full-field range sensing by fringe-projection phase-shifting techniques, to use more efficient algorithms. It also addresses the design, calibration, and measurement-accuracy testing of a new full-field real-time range-sensing system based on the developed methods. A novel 3-D shape measurement technique, called triangular-pattern phase-shifting profilometry, is developed in this research. The proposed method utilizes triangular gray-level-coded fringe patterns and newly developed intensity-ratio generation algorithms, essential to reconstruct a 3-D object surface. The minimum number of measurements required to reconstruct an unknown 3-D object is two, which is less than the minimum number of measurements required for the traditional sinusoidal-pattern and trapezoidal-pattern phase-shifting methods. Compared with the sinusoidal-pattern and trapezoidal-pattern phase-shifting methods, the new method involves less processing because of the simple intensity-ratio computation used and because fewer images or measurement steps are required to reconstruct the 3-D object. Extension of the method by increasing the number of phase-shifting steps was found to increase measurement accuracy. An optimal value of pitch of the projected triangular fringe pattern was found for each extended method. Two error compensation methods, repeated phase-offset and intensity-ratio error compensation, are proposed to reduce the measurement error, mainly caused by fringe projection non-linearity and image defocus. Error reductions of 24.0% and 28.5% were achieved, respectively. An off-line 3-D shape measurement system and a real-time 3-D shape measurement system have been developed with the proposed triangular-pattern phase-shifting method.
Book Synopsis Image Analysis And Processing Iciap 2005 by : Fabio Roli
Download or read book Image Analysis And Processing Iciap 2005 written by Fabio Roli and published by Springer Science & Business Media. This book was released on 2005-08-25 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the Proceedings of the 13th International Conference on Image Analysis and Processing (ICIAP 2005), held in Cagliari, Italy, at the conference centre “Centro della Cultura e dei Congressi”, on September 6–8, 2005. ICIAP 2005 was the thirteenth edition of a series of conferences organized every two years by the Italian group of researchersa?liated to the International Association for Pattern Recognition (GIRPR) with the aim to bring together researchers in image processing and pattern recognition from around the world. As for the previous editions, conference topics concerned the theory of image analysis and processing and its classical and Internet-driven applications. The central theme of ICIAP 2005 was “Pattern Recognition in the Internet and Mobile Communications Era”. The interest for such a theme was con?rmed by the large number of papers dealing with it, the special session devoted to pattern recognition for computer network security, and the emphasis of twoinvited talks on Internet and mobile communication issues. ICIAP 2005 received 217 paper submissions. Fifteen papers were collected into the two special sessions dealing with Pattern Recognition for Computer Network Security and Computer Vision for Augmented Reality and Augmented Environments.
Book Synopsis Three-dimensional Imaging, Optical Metrology, and Inspection IV by : Kevin G. Harding
Download or read book Three-dimensional Imaging, Optical Metrology, and Inspection IV written by Kevin G. Harding and published by SPIE-International Society for Optical Engineering. This book was released on 1998 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topics in this volume include: structured light methods; rangefinding methods; and micromeasurements.
Book Synopsis 3D Surface Reconstruction by : Francesco Bellocchio
Download or read book 3D Surface Reconstruction written by Francesco Bellocchio and published by Springer Science & Business Media. This book was released on 2012-10-28 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: 3D Surface Reconstruction: Multi-Scale Hierarchical Approaches presents methods to model 3D objects in an incremental way so as to capture more finer details at each step. The configuration of the model parameters, the rationale and solutions are described and discussed in detail so the reader has a strong understanding of the methodology. Modeling starts from data captured by 3D digitizers and makes the process even more clear and engaging. Innovative approaches, based on two popular machine learning paradigms, namely Radial Basis Functions and the Support Vector Machines, are also introduced. These paradigms are innovatively extended to a multi-scale incremental structure, based on a hierarchical scheme. The resulting approaches allow readers to achieve high accuracy with limited computational complexity, and makes the approaches appropriate for online, real-time operation. Applications can be found in any domain in which regression is required. 3D Surface Reconstruction: Multi-Scale Hierarchical Approaches is designed as a secondary text book or reference for advanced-level students and researchers in computer science. This book also targets practitioners working in computer vision or machine learning related fields.
