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Journal articles on the topic 'Ridge Orientation'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Schemm, Sebastian, Stefan Rüdisühli, and Michael Sprenger. "The life cycle of upper-level troughs and ridges: a novel detection method, climatologies and Lagrangian characteristics." Weather and Climate Dynamics 1, no. 2 (2020): 459–79. http://dx.doi.org/10.5194/wcd-1-459-2020.

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Abstract. A novel method is introduced to identify and track the life cycle of upper-level troughs and ridges. The aim is to close the existing gap between methods that detect the initiation phase of upper-level Rossby wave development and methods that detect Rossby wave breaking and decaying waves. The presented method quantifies the horizontal trough and ridge orientation and identifies the corresponding trough and ridge axes. These allow us to study the dynamics of pre- and post-trough–ridge regions separately. The method is based on the curvature of the geopotential height at a given isoba

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2

Du, Guoming, Tongbing Guo, and Chen Ma. "Effects of Topographic Factors on Cultivated-Land Ridge Orientation in the Black Soil Region of Songnen Plain." Land 11, no. 9 (2022): 1489. http://dx.doi.org/10.3390/land11091489.

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Topographic factors are essential to the spatial distribution of ridge orientation, yet the literature shows limited exploration of the mechanisms underlying the effects of terrain on cultivated-land ridge orientation in a black soil region. To better understand this subject, interpretation, statistical analyses and field verification were carried out in Songnen Plain, a typical Mollisol area. The results revealed that inclined-ridge cultivation was the most common farming method in the study area. When the slope gradient of cultivated land was greater than 13°, the influence of slope on ridge

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3

Galinde, Ameya, Masoud Koochakzadeh, and Abbas Abbaspour-Tamijani. "Elastic Modes of an Anisotropic Ridge Waveguide." Advances in Acoustics and Vibration 2012 (April 17, 2012): 1–14. http://dx.doi.org/10.1155/2012/685326.

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A semi-analytical method for finding the elastic modes propagating along the edge of an anisotropic semi-infinite plate is presented. Solutions are constructed as linear combinations of a finite number of the corresponding infinite plate modes with the constraint that they decay in the direction perpendicular to the edge and collectively satisfy the free boundary condition over the edge surface. Such modes that are confined to the edge can be used to approximate solutions of acoustic ridge waveguides whose supporting structures are sufficiently far away from the free edge. The semi-infinite pl

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4

Liu, Limin, and Tian-Shyr Dai. "Ridge Orientation Estimation and Verification Algorithm for Fingerprint Enhancement." JUCS - Journal of Universal Computer Science 12, no. (10) (2006): 1426–38. https://doi.org/10.3217/jucs-012-10-1426.

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Fingerprint image enhancement is a common and critical step in fingerprint recognition systems. To enhance the images, most of the existing enhancement algorithms use filtering techniques that can be categorized into isotropic and anisotropic according to the filter kernel. Isotropic filtering can properly preserve features on the input images but can hardly improve the quality of the images. On the other hand, anisotropic filtering can effectively remove noise from the image but only when a reliable orientation is provided. In this paper, we propose a ridge orientation estimation and verifica

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5

Gerling, Gregory J., and Geb W. Thomas. "Two Dimensional Finite Element Modeling to Identify Physiological Bases for Tactile Gap Discrimination." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 49, no. 10 (2005): 891–95. http://dx.doi.org/10.1177/154193120504901004.

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Tactile edge and gap detection are fundamental to performing manual tasks. Because slowly adapting type I (SA-I) mechanoreceptors encode details pertinent to edge localization, understanding low-level encoding is critical to understanding edge perception. Solid mechanics models may help us understand how mechanoreceptors in the skin encode applied surface indentation into neural signals representing edges. Finite element models test whether an indenter separated by a gap creates unique stress/strain distributions in models based upon orientation to fingerprint lines. Results indicate that a ga

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6

Cescon, Anna Lisa, James Andrew Graham Cooper, and Derek W. T. Jackson. "Nature and Distribution of Beach Ridges on the Islands of the Greater Caribbean." Journal of Marine Science and Engineering 12, no. 4 (2024): 565. http://dx.doi.org/10.3390/jmse12040565.

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Beach ridges originate from various depositional processes and occur in a variety of settings. This paper assesses their nature and distribution on the islands of the Greater Caribbean based on a literature review and the identification of sites using Google Earth© 7.3 imagery. The morphological and orientation parameters were measured for each site, and a measure of storm density was developed. These were statistically analysed to develop a classification of beach ridge types. The results show a diversity of beach ridge systems, in terms of setting, morphology, composition and preservation. T

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7

P., S. Aithal, and Prasad K. Krishna. "Fingerprint Image Segmentation: A Review of State of the Art Techniques." International Journal of Management, Technology, and Social Sciences (IJMTS) 2, no. 2 (2017): 28–39. https://doi.org/10.5281/zenodo.848191.

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In Automatic Fingerprint Identification System (AFIS), pre-processing of the image is a crucial process in deciding the quality and performance of the system. Pre-processing is consists many stages as Segmentation, Enhancement, Binarisation, and Thinning. In this segmentation is one of the steps of pre-processing which differentiate foreground and background region of fingerprint images. Segmentation is the separation of the fingerprint region or extraction of the presence of ridges from the background of the initial image. Segmentation is necessary because it constructs the region of interest

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8

Manninen, A. T. "Surface morphology and backscattering of ice-ridge sails in the Baltic Sea." Journal of Glaciology 42, no. 140 (1996): 141–56. http://dx.doi.org/10.1017/s0022143000030604.

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Abstract The triangular shape of an ice-ridge sail in the Baltic Sea was studied statistically. The dimensions and orientation of individual ice blocks were measured in several ridges. All measurements were carried out from the standpoint of backscattering research. The results confirm that given geometrical properties of the two sides of ice ridges are in general not equal. A slight negative correlation was found between the slope angle and width of the sail. All three orientations and all three size parameters of ice blocks on both sides of the ridges studied can be considered as normally di

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9

Manninen, A. T. "Surface morphology and backscattering of ice-ridge sails in the Baltic Sea." Journal of Glaciology 42, no. 140 (1996): 141–56. http://dx.doi.org/10.3189/s0022143000030604.

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AbstractThe triangular shape of an ice-ridge sail in the Baltic Sea was studied statistically. The dimensions and orientation of individual ice blocks were measured in several ridges. All measurements were carried out from the standpoint of backscattering research. The results confirm that given geometrical properties of the two sides of ice ridges are in general not equal. A slight negative correlation was found between the slope angle and width of the sail. All three orientations and all three size parameters of ice blocks on both sides of the ridges studied can be considered as normally dis

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10

Soler, J. D., P. A. R. Ade, F. E. Angilè, et al. "The relation between the column density structures and the magnetic field orientation in the Vela C molecular complex." Astronomy & Astrophysics 603 (July 2017): A64. http://dx.doi.org/10.1051/0004-6361/201730608.

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We statistically evaluated the relative orientation between gas column density structures, inferred from Herschel submillimetre observations, and the magnetic field projected on the plane of sky, inferred from polarized thermal emission of Galactic dust observed by the Balloon-borne Large-Aperture Submillimetre Telescope for Polarimetry (BLASTPol) at 250, 350, and 500 μm, towards the Vela C molecular complex. First, we find very good agreement between the polarization orientations in the three wavelength-bands, suggesting that, at the considered common angular resolution of 3.́0 that correspon

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11

S.Subhashini, Mrs. "A Comparative Study of Various Fingerprint Image Texture Characteristics." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem49997.

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Abstract Fingerprint recognition stands out as one of the most reliable biometric identification methods, primarily due to the unique, universal, and permanent nature of fingerprint patterns. Among the various techniques employed to improve recognition accuracy, texture analysis has emerged as a critical component, especially when dealing with noisy or low-quality fingerprint images. This study conducts a comprehensive comparative analysis of several prominent fingerprint texture feature extraction methods to determine their effectiveness in enhancing recognition performance. The methods explo

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12

Kiss, Péter, and Mária Takácsné Hájos. "The impact of production methods and row orientation on carrot quality in the case of various cultivars." Acta Agraria Debreceniensis, no. 55 (February 25, 2014): 65–69. http://dx.doi.org/10.34101/actaagrar/55/1911.

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Carrot is a wellknown and favoured, really important vegetable. Carrot’s cultivation is important, although its growing field has been reduced in last few years. The suitable cultivar and landstructure are essential to produce good quality carrot. The ridge cultivation is widely spread on plasted soils. At this type of cultivation relationship between line orientations and carrot quality is less studied. That is the reason we tried to examine in our experiment the relationship between ridge highness and line orientation (N-S and E-W) and carrot’s morphological features at different genotipes.

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13

Ji, Luping, and Zhang Yi. "Fingerprint orientation field estimation using ridge projection." Pattern Recognition 41, no. 5 (2008): 1491–503. http://dx.doi.org/10.1016/j.patcog.2007.09.003.

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14

Ram, Surinder, Horst Bischof, and Josef Birchbauer. "Modelling fingerprint ridge orientation using Legendre polynomials." Pattern Recognition 43, no. 1 (2010): 342–57. http://dx.doi.org/10.1016/j.patcog.2009.04.023.

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15

Liu, Manhua, Shuxin Liu, and Weiwu Yan. "Latent Fingerprint Segmentation Based on Ridge Density and Orientation Consistency." Security and Communication Networks 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/4529652.

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Latent fingerprints are captured from the fingerprint impressions left unintentionally at the surfaces of the crime scene. They are often used as an important evidence to identify criminals in law enforcement agencies. Different from the widely used plain and rolled fingerprints, the latent fingerprints are usually of poor quality consisting of complex background with a lot of nonfingerprint patterns and various noises. Latent fingerprint segmentation is an important image processing step to separate fingerprint foreground from background for more accurate and efficient feature extraction and

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16

YOU, XINGE, BIN FANG, YUAN YAN TANG, and ZHENYU HE. "A WAVELET-BASED APPROACH TO RIDGE THINNING IN FINGERPRINT IMAGES." International Journal of Pattern Recognition and Artificial Intelligence 19, no. 05 (2005): 631–45. http://dx.doi.org/10.1142/s0218001405004253.

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As a global feature of fingerprints, the thinning of ridges, extraction of minutiae and computation of orientation field are very important for automatic fingerprint recognition. Many algorithms have been proposed for their computation and estimation, but their results are unsatisfactory, especially for poor quality fingerprint images. In this paper, a robust wavelet-based method to create thinned ridge map of fingerprint for automatic recognition is proposed. Properties of modulus minima based on the spline wavelet function are substantially investigated. Desirable characteristics show that t

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17

Saeed, Sania, Hassan Dawood, Rubab Mehboob, and Hussain Dawood. "Integration of Probability Based Ridge Variation Information with Local Ridge Orientation for Fingerprint Liveness Detection." Vol 4 Issue 1 4, no. 1 (2022): 189–200. http://dx.doi.org/10.33411/ijist/2022040114.

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Fingerprints are commonly used in biometric systems. However, the authentication of these systems became an open challenge because fingerprints can easily be fabricated. In this paper, a hybrid feature extraction approach named Integration of Probability Weighted Spatial Gradient with Ridge Orientation (IPWSGRo) has been proposed for fingerprint liveness detection. IPWSGRo integrates intensity variation and local ridge orientation information. Intensity variation is computed by using probability-weighted moments (PWM) and second order directional derivative filter. Moreover, the ridge orientat

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18

Plaza-Faverola, Andreia, and Marie Keiding. "Correlation between tectonic stress regimes and methane seepage on the western Svalbard margin." Solid Earth 10, no. 1 (2019): 79–94. http://dx.doi.org/10.5194/se-10-79-2019.

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Abstract. Methane seepage occurs across the western Svalbard margin at water depths ranging from < 300 m, landward from the shelf break, to > 1000 m in regions just a few kilometres from the mid-ocean ridges in the Fram Strait. The mechanisms controlling seepage remain elusive. The Vestnesa sedimentary ridge, located on oceanic crust at a depth of 1000–1700 m, hosts a perennial gas hydrate and associated free gas system. The restriction of the occurrence of acoustic flares to the eastern segment of the sedimentary ridge, despite the presence of pockmarks along the entire ridge, indicates

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19

Saparudin, Saparudin, and Ghazali Sulong. "Fingerprint Enhancement Algorithm Based-on Gradient Magnitude for the Estimation of Orientation Fields." Computer Engineering and Applications Journal 4, no. 2 (2015): 81–94. http://dx.doi.org/10.18495/comengapp.v4i2.154.

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An accurate estimation of fingerprint orientation fields is an important step in the fingerprint classification process. Gradient-based approaches are often used for estimating orientation fields of ridge structures but this method is susceptible to noise. Enhancement of fingerprint images improves the ridge-valley structure and increases the number of correct features thereby conducing the overall performance of the classification process. In this paper, we propose an algorithm to improve ridge orientation textures using gradient magnitude. That algorithm has four steps; firstly, normalizatio

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20

Fei, Lunke, Shaohua Teng, Jigang Wu, and Imad Rida. "Enhanced Minutiae Extraction for High-Resolution Palmprint Recognition." International Journal of Image and Graphics 17, no. 04 (2017): 1750020. http://dx.doi.org/10.1142/s0219467817500206.

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A palmprint generally possesses about 10 times more minutiae features than a fingerprint, which could provide reliable biometric-based personal authentication. However, wide distribution of various creases in a palmprint creates a number of spurious minutiae. Precisely and efficiently, minutiae extraction is one of the most critical and challenging work for high-resolution palmprint recognition. In this paper, we propose a novel minutiae extraction and matching method for high-resolution palmprint images. The main contributions of this work include the following. First, a circle-boundary consi

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21

Yi Wang and Jiankun Hu. "Global Ridge Orientation Modeling for Partial Fingerprint Identification." IEEE Transactions on Pattern Analysis and Machine Intelligence 33, no. 1 (2011): 72–87. http://dx.doi.org/10.1109/tpami.2010.73.

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22

Zhu, En. "Fingerprint Ridge Orientation Estimation Based on Machine Learning." Journal of Computer Research and Development 44, no. 12 (2007): 2051. http://dx.doi.org/10.1360/crad20071209.

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23

Singh, Kuldeep, Rajiv Kapoor, and Raunaq Nayar. "Fingerprint denoising using ridge orientation based clustered dictionaries." Neurocomputing 167 (November 2015): 418–23. http://dx.doi.org/10.1016/j.neucom.2015.04.053.

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24

LEHTIHET, RAJA, WAEL EL ORAIBY, and MOHAMMED BENMOHAMMED. "RIDGE FREQUENCY ESTIMATION FOR LOW-QUALITY FINGERPRINT IMAGES ENHANCEMENT USING DELAUNAY TRIANGULATION." International Journal of Pattern Recognition and Artificial Intelligence 28, no. 01 (2014): 1456002. http://dx.doi.org/10.1142/s0218001414560023.

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In this paper, we propose a hybrid computational geometry-gray scale algorithm that enhances fingerprint images greatly. The algorithm extracts the local minima points that are positioned on the ridges of a fingerprint, then, it generates a Delaunay triangulation using these points of interest. This triangulation along with the local orientations give an accurate distance and orientation-based ridge frequency. Finally, a tuned anisotropic filter is locally applied and the enhanced output fingerprint image is obtained. When the algorithm is applied to rejected fingerprint images from FVC2004 DB

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25

Wheat, Heather E., and Antony W. Goodwin. "Tactile Discrimination of Gaps by Slowly Adapting Afferents: Effects of Population Parameters and Anisotropy in the Fingerpad." Journal of Neurophysiology 84, no. 3 (2000): 1430–44. http://dx.doi.org/10.1152/jn.2000.84.3.1430.

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The aim of this study was to determine the acuity of the peripheral tactile system for gaps and to determine how stimulus orientation may impact on this. We quantified the ability of humans to discriminate small differences in gap width using a forced-choice task. Stimuli were presented passively to the distal fingerpad in a region where the skin ridges all run approximately in the same direction. Two standard gap widths were used (2 and 2.9 mm), and the comparison gap widths were larger than the standard gaps. With the gap axis parallel to the skin ridges, the average difference limen was app

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Syahputra, Reza, Felix Muria Hasudungan Sihombing, and Octria Adi Prasojo. "Correlation Between Fracture Azimuth, Surface Lineaments and Regional Tectonics: A case study from Belik District, Central Java, Indonesia." Journal of Geoscience, Engineering, Environment, and Technology 4, no. 1 (2019): 22. http://dx.doi.org/10.25299/jgeet.2019.4.1.2294.

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Two major strike-slip faults with northeast-southwest and northwest-southeast orientation have shifted the southern Central Java, including Belik District. Consequently, many smaller faults that have the same direction as the major faults and west-east direction folding systems were emerged. The orientation of these geologic structures could be observed from morphological features such as ridge and river. A quantitative approach was carried out to unravel the impacts of those geologic structures on the geomorphology of the study area, which is located between Slamet Mountain and Sindoro Mounta

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27

Haralick, Robert M. "Optimal ridge orientation estimator using integrated second directional derivative." Journal of Electronic Imaging 14, no. 2 (2005): 023012. http://dx.doi.org/10.1117/1.1901683.

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28

Rizzetto, Federica. "Textural Characteristics of the Holocene Sandy Ridges in the Eastern Venetian Coastal Plain (North Adriatic Sea, Italy)." Water 14, no. 11 (2022): 1710. http://dx.doi.org/10.3390/w14111710.

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In the lower Piave river coastal plain (northeast of the Venice Lagoon, Italy), evidences of ancient sandy ridges testify to both the local coastline progradation and retrogradation that occurred during the Holocene. Their arrangement is recognizable in aerial photographs as they appear as groups of parallel sandy strips. The orientation of each group of ridges differs from the orientation of the others. Even if the ridges have not preserved their original relief and morphology, weak undulations are still locally present. Through the joint interpretation of textural parameters and geomorpholog

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29

Qiu, Yan, Yingmin Wang, Wenkai Huang, et al. "Jump event of mid-ocean ridge during the eastern subbasin evolution of the South China Sea." Interpretation 4, no. 3 (2016): SP67—SP77. http://dx.doi.org/10.1190/int-2015-0154.1.

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The South China Sea is one of the largest marginal seas in the Western Pacific region, and it has been widely accepted that the evolution of the basin and the development of its oceanic crusts is closely linked to seafloor spreading. A great controversy, however, is around whether or not there was a jump of mid-ocean ridges during seafloor spreading, particularly in the eastern South China Sea subbasin. A tectonostratigraphic interpretation using high-resolution seismic data demonstrated that: (1) a southward jump event of the mid-ocean ridge took place in the eastern subbasin during the seafl

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Szarvas, Adrienn, Margit Szél Hódi, and Tamás Monostori. "The effects of different planting methods on sweet potato." Acta Agraria Debreceniensis, no. 74 (December 28, 2018): 173–77. http://dx.doi.org/10.34101/actaagrar/74/1685.

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The aim of our research program is to develop the production technology and to examine the possibilities of the utilization of sweet potato (Ipomea batatas (L.) Lam.). In 2016 and 2017, production technology experiments were set up with four replications in a randomized block design on an alluvial soil in Deszk, Hungary. In our field experiments, we obtained results of planting material production, planting methods and the optimized fertilization of sweet potato. Experimental plots were set up either with or without ridges. In heavy soils – where usually ridge planting is preferred –, in 2016,

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31

Liao, Yunn Shiuan, M. Y. Tsai, James C. Sung, and Yang Liang Pai. "Single Diamond Dressing Characteristics of CMP Polyurethane Pad." Key Engineering Materials 329 (January 2007): 151–56. http://dx.doi.org/10.4028/www.scientific.net/kem.329.151.

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The fundamental characteristics of dressing action on the polyurethane pad are investigated via dressing by single diamond of different orientations, dressing parameters and dressing path in this study. Experimental results show that a groove with pile-up on both side walls forms as the diamond moves over the pad with a specific dressing depth. The resulting asperities on the pad are strongly affected by the diamond orientation. Plowing is found to be the major mechanism responsible for this surface topology if dressing is conducted by the face of a diamond. On the contrary, cutting action dom

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32

Saleh, Ali. "Measuring and Predicting Ridge-Orientation Effect on Soil Surface Roughness." Soil Science Society of America Journal 58, no. 4 (1994): 1228–30. http://dx.doi.org/10.2136/sssaj1994.03615995005800040033x.

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Dane, P. J., and J. B. Tucker. "Modulation of epidermal cell shaping and extracellular matrix during caudal fin morphogenesis in the zebra fish Brachydanio rerio." Development 87, no. 1 (1985): 145–61. http://dx.doi.org/10.1242/dev.87.1.145.

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Distinct changes in epidermal cell shaping largely define the overall pattern of growth and form during generation of the ectodermal ridge and early stages of fin fold morphogenesis. The epidermal portion of the ridge and early fin fold are formed from a strip of epidermal cells that is only six to nine cells wide. There is apparently no increase in the number of these cells during initial formation of the ridge and its subsequent conversion into a fin fold which contains extracellular matrix fibres. Epidermal cells adopt a wedge-shaped morphology during ridge production. Distinct changes in t

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Hirtler, Lena, Dominik Rieschl, Sam A. Kandathil, and Patrick Weninger. "Feasibility of Osseous Landmarks for ACL Reconstruction—A Macroscopic Anatomical Study." Applied Sciences 13, no. 12 (2023): 7345. http://dx.doi.org/10.3390/app13127345.

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During knee arthroscopy, easy orientation is important, and possible landmarks include the lateral intercondylar ridge (LIR) and the lateral bifurcate ridge (LBR). The objective was to show the feasibility of the LIR and the LBR as landmarks of the femoral attachment of the anterior cruciate ligament (ACL) among subjects with different levels of training. Thirty-six formalin-phenol-fixed lower extremities were acquired for this prospective macroscopic anatomical study. All soft tissue apart from the ligaments was removed. The two bundles of the ACL and their origins were identified, marked and

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Krishna, Prasad. K., and Aithal Sreeramana. "Literature Review on Fingerprint Level 1 and Level 2 Features Enhancement to Improve Quality of Image." International Journal of Management, Technology, and Social Sciences (IJMTS) 2, no. 2 (2017): 8–19. https://doi.org/10.5281/zenodo.835608.

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Biometrics is the one most popular property in human distinguishing proof based on physical or behavioral features. The different physiological characteristics are Fingerprint, DNA, Face, hand, retina, ear features, and odor, where as behavioral characteristics or features are typing rhythm, gait, gesture, and voice with the basic premise that all are unique and all human beings are identified by these intrinsic traits. In the physiological traits, Fingerprint is most commonly utilized the biometric feature in diverse fields for identification and verification purpose. Fingerprint features can

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Xu, Demin, Yiming Li, Yue Zhang, Hui Xu, Tianlai Li, and Xingan Liu. "Effects of orientation and structure on solar radiation interception in Chinese solar greenhouse." PLOS ONE 15, no. 11 (2020): e0242002. http://dx.doi.org/10.1371/journal.pone.0242002.

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In order to further improve the utilization of solar energy in Chinese Solar Greenhouse (CSG), this paper systematically studied the effects of orientation and structure on solar radiation interception in CSG. A solar radiation model has been developed based on the previous research, which taking solar motion law, meteorological data, and optical properties of materials into consideration. The established model was used to optimize the orientation and structure of CSG. The analysis of structure considered two major structural parameters, which are the ridge height and the horizontal projection

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Pauketat, Timothy R., Robert F. Boszhardt, and Michael Kolb. "Trempealeau’s Little Bluff." Midcontinental Journal of Archaeology 42, no. 2 (2017): 168–99. http://dx.doi.org/10.2307/26599955.

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Abstract Archaeological and geomorphological investigations of Little Bluff (47Tr32), in Trempealeau, Wisconsin, reveal how and, possibly, why this loess-capped sandstone ridge spur was anthropogenically altered in the mid-eleventh century A.D. Project excavation units and trenches dug in 2010–2011 revealed the timing, rate of completion, structure, symmetry, and orientation of the construction. In addition to delineating construction details and associated archaeological features, our research suggests that Cahokians, by sculpting and rebuilding this ridge spur, were actively positioning them

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Sun, Yuting, Xiaojuan Chen, and Yanfeng Tang. "Recovery of Incomplete Fingerprints Based on Ridge Texture and Orientation Field." Electronics 13, no. 14 (2024): 2873. http://dx.doi.org/10.3390/electronics13142873.

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The recovery of mutilated fingerprints plays an important role in improving the accuracy of fingerprint recognition and the speed of identity retrieval, so it is crucial to recover mutilated fingerprints efficiently and accurately. In this paper, we propose a method for the restoration of mutilated fingerprints based on the ridge texture and orientation field. First, the part to be restored is identified via the local quality of the fingerprint, and a mask image is generated. Second, a novel dual-stream fingerprint restoration network named IFSR is designed, which contains two branches, namely

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Saparudin, Saparudin, and Ghazali Sulong. "A Technique to Improve Ridge Flows of Fingerprint Orientation Fields Estimation." TELKOMNIKA (Telecommunication Computing Electronics and Control) 14, no. 3 (2016): 987. http://dx.doi.org/10.12928/telkomnika.v14i3.3112.

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G.D, Prasad Reddy. "Towards Accurate Estimation of Fingerprint Ridge Orientation Using BPNN and Ternarization." IOSR Journal of Computer Engineering 13, no. 1 (2013): 90–101. http://dx.doi.org/10.9790/0661-13190101.

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41

Kunimine, Hiroki, and Atsuyuki Okazaki. "Remaining condition and roof ridge orientation of machiya in Ibaraki Prefecture." Reports of the City Planning Institute of Japan 20, no. 4 (2022): 470–71. http://dx.doi.org/10.11361/reportscpij.20.4_470.

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ZiKe, Yu, and Atsuyuki Okazaki. "Remaining condition and roof ridge orientation of machiya in Miyagi Prefecture." Reports of the City Planning Institute of Japan 19, no. 2 (2020): 280–81. http://dx.doi.org/10.11361/reportscpij.19.2_280.

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Maruyama, Soyoka, and Atsuyuki Okazaki. "Remaining condition and roof ridge orientation of machiya in Tochigi Prefecture." Reports of the City Planning Institute of Japan 20, no. 4 (2022): 468–69. http://dx.doi.org/10.11361/reportscpij.20.4_468.

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Watters, Thomas R., and Ted A. Maxwell. "Orientation, relative age, and extent of the Tharsis Plateau Ridge System." Journal of Geophysical Research 91, B8 (1986): 8113. http://dx.doi.org/10.1029/jb091ib08p08113.

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Saparudin, Saparudin, and Ghazali Sulong. "A Technique to Improve Ridge Flows of Fingerprint Orientation Fields Estimation." TELKOMNIKA (Telecommunication Computing Electronics and Control) 14, no. 3 (2016): 987. http://dx.doi.org/10.12928/telkomnika.v14i2.3112.

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Cappelli, R. "Fast and Accurate Fingerprint Indexing Based on Ridge Orientation and Frequency." IEEE Transactions on Systems, Man, and Cybernetics, Part B (Cybernetics) 41, no. 6 (2011): 1511–21. http://dx.doi.org/10.1109/tsmcb.2011.2155648.

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Ruedas, Thomas, and Harro Schmeling. "On the orientation of tensile dikes in a ridge-centered plume." Tectonophysics 447, no. 1-4 (2008): 19–30. http://dx.doi.org/10.1016/j.tecto.2006.01.030.

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Zhu, En, Jianping Yin, Chunfeng Hu, and Guomin Zhang. "A systematic method for fingerprint ridge orientation estimation and image segmentation." Pattern Recognition 39, no. 8 (2006): 1452–72. http://dx.doi.org/10.1016/j.patcog.2006.03.001.

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Sato, Kazuki, and Atsuyuki Okazaki. "Remaining condition and roof ridge orientation of machiya in Chiba Prefecture." Reports of the City Planning Institute of Japan 21, no. 4 (2023): 447–48. http://dx.doi.org/10.11361/reportscpij.21.4_447.

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Ishida, Yuya, and Atsuyuki Okazaki. "Remaining condition and roof ridge orientation of machiya in Akita Prefecture." Reports of the City Planning Institute of Japan 21, no. 4 (2023): 550–51. http://dx.doi.org/10.11361/reportscpij.21.4_550.

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