Relevant bibliographies by topics / Profile Shape Matching

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Profile Shape Matching'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Profile Shape Matching"

1

Yang, Xu, Xiao Long Liu, Ji Ming Liu, Shi Jun Ji, Xing Tian Qu, and Zhi Yu Zhang. "Matching Algorithm for Profile Error Calculation of Blade Surface." Advanced Materials Research 1136 (January 2016): 630–35. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.630.

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The blade is one of the key part of aero engine because its shape precision and surface quality significantly influence the performance, efficiency and reliability of the engine. The blade surface is generally obtained by precision finishing process, which is a repeated work of profile error measurement, profile error calculation and error correction manufacturing. For profile error calculation, the matching of measurement points and ideal blade surface must be firstly performed. However there is few detailed work reported on matching algorithm. In this paper, a new matching algorithm for prof
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Chen, Hengxin, Mingqi Gao, and Bin Fang. "An improved active shape model method for facial landmarking based on relative position feature." International Journal of Wavelets, Multiresolution and Information Processing 15, no. 01 (2017): 1750008. http://dx.doi.org/10.1142/s0219691317500084.

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Active Shape Model (ASM) is a most effective method of facial landmarking. It employs two models, profile model and shape model, to match the position of facial landmark. In this paper, we introduce a new model based on relative position feature (RPF) in local region to improve ASM. We found the fact that landmarks with larger matching error have more shape matching displacement. So, in our method, RPF model is used to adjust the position of landmarks with more shape matching displacement in every matching iteration. STASM (Stacked ASM) is practical standard of ASM and is proved to be the best
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You, You Peng, and Jun He. "A Parametric Interpolator with Smooth Kinematic Profiles for High Speed Machining." Key Engineering Materials 315-316 (July 2006): 169–73. http://dx.doi.org/10.4028/www.scientific.net/kem.315-316.169.

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Smooth kinematic profiles are very important for high speed curve machining. During parametric interpolation, simple adaptive feedrate with confined contour error may cause acceleration and jerk to fluctuate acutely. To avoid the undesirable influence, an interpolation algorithm for parametric curves with smooth kinematic profiles is presented. The interpolator consists of three parts, look-ahead module, feedrate planning module and interpolation module. In look-ahead module, a pre-interpolator is designed to produce the required feedrate profile considering chord error. By feedrate planning,
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Tippetts, Beau, Dah Jye Lee, Kirt Lillywhite, and James K. Archibald. "Hardware-Efficient Design of Real-Time Profile Shape Matching Stereo Vision Algorithm on FPGA." International Journal of Reconfigurable Computing 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/945926.

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A variety of platforms, such as micro-unmanned vehicles, are limited in the amount of computational hardware they can support due to weight and power constraints. An efficient stereo vision algorithm implemented on an FPGA would be able to minimize payload and power consumption in microunmanned vehicles, while providing 3D information and still leaving computational resources available for other processing tasks. This work presents a hardware design of the efficient profile shape matching stereo vision algorithm. Hardware resource usage is presented for the targeted micro-UV platform, Helio-co
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Weir, Jonathan, Raymond Lau, and WeiQi Yan. "Digital Image Splicing Using Edges." International Journal of Digital Crime and Forensics 2, no. 4 (2010): 63–75. http://dx.doi.org/10.4018/jdcf.2010100105.

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In this paper, the authors splice together an image which has been split up on a piece of paper by using duplication detection. The nearest pieces are connected using edge searching and matching and the pieces that have graphics or textures are matched using the edge shape and intersection between the two near pieces. Thus, the initial step is to mark the direction of each piece and put the pieces that have straight edges to the initial position to determine the profile of the whole image. The other image pieces are then fixed into the corresponding position by using the edge information, i.e.
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Smith, D. K., S. Q. Hoyle, and G. G. Johnson. "Phase Identification using Whole-Pattern Matching." Advances in X-ray Analysis 36 (1992): 287–99. http://dx.doi.org/10.1154/s0376030800018905.

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AbstractThe use of whole-pattern matching techniques for phase identification provides increased confidence in the phases determined compared with d-I matching and enhances the potential for determining the existence of phases present in low concentrations. Reference patterns from a database of selected phases were compared with the experimental pattern obtained from an unknown, and the results were ranked using figures-of-merit designed to distinguish the best pattern matches. Several different figures-of-merit have been evaluated, all of which proved successful in recognizing the strongest p
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Helgadóttir, Ásdís, Sylvain Lalot, Francois Beaubert, and Halldór Pálsson. "Mesh Twisting Technique for Swirl Induced Laminar Flow Used to Determine a Desired Blade Shape." Applied Sciences 8, no. 10 (2018): 1865. http://dx.doi.org/10.3390/app8101865.

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Swirling flow has been shown to increase heat transfer in heat exchangers. However, producing swirl while not presenting a severe pressure drop can be a challenge. In this paper, a desired shape of guidance blades for laminar swirl flow is determined by numerical simulation in OpenFOAM. Emphasis is on the mesh technique, where a predefined blade shape is formed by mesh twisting, or morphing. The validity of numerical simulations on a twisted mesh is shown by comparing it to the theoretical solution of laminar flow in a pipe without swirl and guidance blades. A sensitivity study shows that a ce
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Zhang, Dong, Dah-Jye Lee, and Yung-Ping Chang. "A New Profile Shape Matching Stereovision Algorithm for Real-time Human Pose and Hand Gesture Recognition." International Journal of Advanced Robotic Systems 11, no. 2 (2014): 16. http://dx.doi.org/10.5772/57515.

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Tornos, Lucía, José Antonio Domínguez, Maria C. Moyano, et al. "Assessment of the SASI Spectral Shape Index Time Series for Mapping Rice Ecosystems in the Mediterranean Region." Agronomy 11, no. 7 (2021): 1365. http://dx.doi.org/10.3390/agronomy11071365.

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There is a growing need to map rice ecosystems and to develop methods for monitoring rice distribution in order to account for rapid land use changes worldwide. In this study, we evaluated a methodology based on Vegetation Indices time series derived from an 8-day MODIS composite to identify rice fields and develop rice maps that can be timely updated in the long term. We have assessed the potential of the Spectral Shape Index time series and compared its performance with the Normalized Difference Vegetation Index in two coastal locations and in an inland location in the Mediterranean Region f
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Cui, Ying Min, Hai Wang, and Jian Zhang. "3D Restructuring and Splicing Technology of Shape Space Frame." Applied Mechanics and Materials 644-650 (September 2014): 1438–42. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.1438.

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The 3D Shape Measuring Technology for physical objects has wide application in fields covering automatic detection, physical object profile modelling, automatic production, computer aided design/manufacturing and quality control, etc. Through the matching relations of several feature points between the partial 3D scanning point cloud data and the space frame, the transformation relations between different coordinate systems can be inferred. As for the inferring of the transformation parameters R and T, the SVD matrix decomposition algorithm has been used to acquire a better precision solution.
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Dissertations / Theses on the topic "Profile Shape Matching"

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Tippetts, Beau J. "Real-Time Stereo Vision for Resource Limited Systems." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/2972.

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A significant amount of research in the field of stereo vision has been published in the past decade. Considerable progress has been made in improving accuracy of results as well as achieving real-time performance in obtaining those results. Although much of the literature does not address it, many applications are sensitive to the tradeoff between accuracy and speed that exists among stereo vision algorithms. Overall, this work aims to organize existing efforts and encourage new ones in the development of stereo vision algorithms for resource limited systems. It does this through a review of
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Book chapters on the topic "Profile Shape Matching"

1

Weir, Jonathan, Raymond Lau, and WeiQi Yan. "Digital Image Splicing Using Edges." In Crime Prevention Technologies and Applications for Advancing Criminal Investigation. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1758-2.ch012.

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In this paper, the authors splice together an image which has been split up on a piece of paper by using duplication detection. The nearest pieces are connected using edge searching and matching and the pieces that have graphics or textures are matched using the edge shape and intersection between the two near pieces. Thus, the initial step is to mark the direction of each piece and put the pieces that have straight edges to the initial position to determine the profile of the whole image. The other image pieces are then fixed into the corresponding position by using the edge information, i.e., shape, residual trace and matching, after duplication or sub-duplication detection. In the following steps, the patches with different edge shapes are searched using edge duplication detection. With the reduction of rest pieces, the montage procedure will become easier and faster.
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Conference papers on the topic "Profile Shape Matching"

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Woo, Janine, Muntaseer Kainat, and Samer Adeeb. "Development of a Profile Matching Criteria to Model Dents in Pipelines Using Finite Element Analysis." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65278.

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Current industry standards cite depth and interaction with additional stress risers as the key indicators of pipeline integrity concerns in regards to dents. There have been significant efforts towards the improvement of these benchmarks in recent years. Several dent assessment methods are presented in literature, including research focused on the use of finite element analysis (FEA). The accurate assessment of dents using FEA is heavily reliant on how close the shape produced by the FEA model aligns with the shape of the actual dent. The research presented in this paper has been conducted to
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Li, Jianhua, Zhengchun Du, Ying Zhang, and Yan Wang. "Geometric Descriptor-Based Local Contour Point Set Matching for Cross-Section Profile Measurement of Automotive Sealing Strips." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47127.

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In vision-based measurement, there is a lack of effective methods for local contour matching of flexible automotive rubber product contour due to its flexibility. In this paper, we propose a novel local contour point set matching method based on a geometric descriptor. A geometric descriptor of a local point set includes shape properties of the point set and position information. In local matching process, the geometric descriptor of a standard point set is extracted and a tolerable geometric descriptor for a desired point set is also generated through adding more factors to the standard descr
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Li, Songyang, and Yongjian Zhong. "A Turbofan-Engine Nacelle Shape Design and Optimization Method for Natural Laminar Flow Control." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57463.

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A correctly profiled engine nacelle can delay the transition in the boundary layer and allow laminar flow to extend back, resulting in a substantial drag reduction. Therefore, the laminar flow nacelle has lower fuel consumption than current turbulent designs. In this paper, aerodynamic shape optimization of natural laminar flow nacelle has been studied by using a novel nacelle shape design method and transition prediction with CFD. First, the 2D longitudinal profile-line of nacelle is optimized, in order to extend its laminar region and achieve minimum drag coefficient within the design space.
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Bataineh, Ahmad M., and Mohammad I. Younis. "Dynamics of an Imperfect Microbeam Considering its Exact Shape." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34917.

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We study the static and dynamic behavior of electrically actuated micromachined arches. First, we conduct experiments on micromachined polysilicon beams by driving them electrically and varying their amplitude and frequency of voltage loads. The results reveal several interesting nonlinear phenomena of jumps, hysteresis, and softening behaviors. Next, we conduct analytical and theoretical investigation to understand the experiments. First, we solve the Eigen value problem analytically. We study the effect of the initial rise on the natural frequency and mode shapes, and use a Galerkin-based pr
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Giovannini, Matteo, Filippo Rubechini, Michele Marconcini, Daniele Simoni, Vianney Yepmo, and Francesco Bertini. "Secondary Flows in LPT Cascades: Numerical and Experimental Investigation of the Impact of the Inner Part of the Boundary Layer." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76737.

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Due to the low level of profile losses already reached in the design of modern low-pressure turbines for turbofan applications, a renewed interest is devoted to the other sources of loss, and namely to the secondary losses. At the same time, the importance of secondary losses has been reinforced by the current design trend towards high-lift profiles. A great attention, therefore, is dedicated to reliable and effective prediction methods as well as on the correct understanding of the mechanisms that drive the secondary flows. In this context, a systematic numerical and experimental campaign was
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Frohnapfel, Dustin J., K. Todd Lowe, and Walter F. O’Brien. "Development, Analysis, and Validation of a Simultaneous Inlet Total Pressure and Swirl Distortion Generator." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16125.

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Abstract Over the last decade, the Turbomachinery and Propulsion Research Laboratory at Virginia Tech has researched, invented, developed, computationally analyzed, experimentally tested, and improved turbofan engine inlet distortion generators. This effort began with modernizing and improving inlet total pressure distortion screens originally conceived over half a century ago; continued with the invention of inlet swirl distortion generators (StreamVanes™) made possible only through advances in modern additive manufacturing technology; and has, thus far, culminated in a novel combined device
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Kahveci, Harika S. "Investigation of a Rotor Blade With Tip Cooling Subject to a Nonuniform Temperature Profile." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15529.

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Abstract One of the challenges in the design of a high-pressure turbine blade is that a considerable amount of cooling is required so that the blade can survive high temperature levels during engine operation. Another challenge is that the addition of cooling should not adversely affect blade aerodynamic performance. Besides, the tip region of a blade is exposed to further complexities due to tip leakage flow that is known to affect flow features and to cause additional pressure losses. The typical flat tips used in designs have evolved into squealer form that implements rims on the tip, which
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Zhang, Zhengyu, Yongxiang Hu, and Zhenqiang Yao. "An Experiment-Based Model to Determine Eigenstrain in Fibre Metal Laminates Induced by Laser Peen Forming." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8544.

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Fibre metal laminates are new sorts of composite materials with superior fatigue and impact properties. Forming parts from FMLs is very attractive to reduce the process cycle and labor cost. Laser peen forming (LPF) is a promising method to form FMLs with its design flexibility and adaptability to produce complex shapes. To predict the deformed shape of FMLs after laser peen forming, eigenstrain-based modelling is a helpful method with advantage in spending less computational time, but it is difficult to precisely determine eigenstrain distribution regarding material with layered structure. In
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Sundararaman, Shankar, David Saldana, Suneel Patel, et al. "Interference Assessment Between Top Tensioned Risers Using a Comprehensive Screening Approach." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41466.

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Interference between top tensioned risers (TTRs) is a key design challenge. Due to TTR tensioner stroke limits combined with large vessel offsets, the space out of wellheads is limited. Therefore, riser-to-riser contact is more likely to occur in extreme current conditions. Riser clearance between adjacent risers is evaluated accounting for the effects of wake, vortex-induced vibrations, current directionality (including variation through-depth), vessel offset, riser configuration, and drilling sequence. Accounting for all of these effects simultaneously and in detail when assessing TTR interf
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Angrish, Atin, Benjamin Craver, Xiwen Xu, and Binil Starly. "A Search Engine for Manufacturers Using Product Manufacturing Information (PMI) Enhanced 3D Model Search." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6649.

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The type and complexity of products designed by small and large teams have drastically changed due to advancements in digital design tools, manufacturing process technology and connectivity afforded by the internet. Finding available and reliable manufacturers is time consuming and is often tasked to sourcing agents who scour through existing supplier databases or found using keywords through web search. In this paper, we investigate 3D shapes augmented with product manufacturing information (PMI) as the key source to match user request to appropriate manufacturers who are capable of completin
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