Relevant bibliographies by topics / Geodesic morphological

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Academic literature on the topic 'Geodesic morphological'

Author: Grafiati
Published: 7 June 2025
Last updated: 16 July 2025

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Journal articles on the topic "Geodesic morphological"

1

Peyrega, Charles, and Dominique Jeulin. "ESTIMATION OF TORTUOSITY AND RECONSTRUCTION OF GEODESIC PATHS IN 3D." Image Analysis & Stereology 32, no. 1 (2013): 27. http://dx.doi.org/10.5566/ias.v32.p27-43.

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The morphological tortuosity of a geodesic path in a medium can be defined as the ratio between its geodesic length and the Euclidean distance between its two extremities. Thus, the minimum tortuosity of all the geodesic paths into a medium in 2D or in 3D can be estimated by image processing methodsusing mathematical morphology. Considering a medium, the morphological tortuosities of its internal paths are estimated according to one direction, which is perpendicular to both starting and ending opposite extremities of the geodesicpaths. The used algorithm estimates the morphological tortuosities from geodesic distance maps, which are obtained from geodesic propagations. The shape of the propagated structuring element used to estimate the geodesic distance maps on a discrete grid has a direct influence on the morphological tortuosity and has to be chosen very carefully. The results of our algorithm is an image with pixels p having a value equal to the length of the shortest path containing p and connected to two considered opposite boundaries A and B of the image. The analysis of the histogram of the morphological tortuosities gives access to their statistical distribution. Moreover, for each tortuosity the paths can be extracted from the original image, which highlights the location of them into the sample. However, these geodesic paths have to be reconstructed for further processing. The extraction, because applying a threshold on the tortuosities, results in disconnected components, especially for highly tortuous paths. This reconstruction consists in reconnecting these components to the geodesic path linking the two opposite faces, by means of a backtracking algorithm.
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Decencière Ferrandière, E., S. Marshall, and J. Serra. "Application of the morphological geodesic reconstruction to image sequence analysis." IEE Proceedings - Vision, Image, and Signal Processing 144, no. 6 (1997): 339. http://dx.doi.org/10.1049/ip-vis:19971559.

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Rinku, Kalotra, and Kumar Kaushal. "Gaussian filter and fuzzy filter based historical document with geodesic morphology." Global Journal of Engineering and Technology Advances 19, no. 1 (2024): 143–47. https://doi.org/10.5281/zenodo.13691401.

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The technique of image restoration involves recovering an image from a damaged state, typically a distorted and noisy image. In image processing image restoration is a core issues. This paper based on historical documents and these are discovered by archaeologist. Important information about the tradition, religion science, literature. In this Paper, we will use the geodesic morphological model with the fuzzy filter for the purpose of historical document restoration and compare them on the basis of various performance parameters.
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Yang, Shuo, and Jian-Xun Li. "SPATIAL-VARIANT MORPHOLOGICAL FILTERS WITH NONLOCAL-PATCH-DISTANCE-BASED AMOEBA KERNEL FOR IMAGE DENOISING." Image Analysis & Stereology 33, no. 2 (2015): 63. http://dx.doi.org/10.5566/ias.1098.

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Filters of the Spatial-Variant amoeba morphology can preserve edges better, but with too much noise being left. For better denoising, this paper presents a new method to generate structuring elements for Spatially-Variant amoeba morphology. The amoeba kernel in the proposed strategy is divided into two parts: one is the patch distance based amoeba center, and another is the geodesic distance based amoeba boundary, by which the nonlocal patch distance and local geodesic distance are both taken into consideration. Compared to traditional amoeba kernel, the new one has more stable center and its shape can be less influenced by noise in pilot image. What’s more important is that the nonlocal processing approach can induce a couple of adjoint dilation and erosion, and combinations of them can construct adaptive opening, closing, alternating sequential filters, etc. By designing the new amoeba kernel, a family of morphological filters therefore is derived. Finally, this paper presents a series of results on both synthetic and real images along with comparisons with current state-of-the-art techniques, including novel applications to medical image processing and noisy SAR image restoration.
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Pastore, Juan Ignacio, Emilce Moler, and Virginia Ballarin. "Multiscale Morphological Operators and Geodesic Distance applied to Computed Axial Tomography Segmentation." IEEE Latin America Transactions 5, no. 1 (2007): 28–31. http://dx.doi.org/10.1109/t-la.2007.4444529.

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Pastore, Juan I., Emilce G. Moler, and Virginia L. Ballarin. "Segmentation of brain magnetic resonance images through morphological operators and geodesic distance." Digital Signal Processing 15, no. 2 (2005): 153–60. http://dx.doi.org/10.1016/j.dsp.2004.12.002.

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Wang, Ziyun, Eric A. Mitchell, Volkan Isler, and Daniel D. Lee. "Geodesic-HOF: 3D Reconstruction Without Cutting Corners." Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 4 (2021): 2844–51. http://dx.doi.org/10.1609/aaai.v35i4.16390.

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Single-view 3D object reconstruction is a challenging fundamental problem in machine perception, largely due to the morphological diversity of objects in the natural world. In particular, high curvature regions are not always represented accurately by methods trained with common set-based loss functions such as Chamfer Distance, resulting in reconstructions short-circuiting the surface or "cutting corners." To address this issue, we propose an approach to 3D reconstruction that embeds points on the surface of an object into a higher-dimensional space that captures both the original 3D surface as well as geodesic distances between points on the surface of the object. The precise specification of these additional "lifted" coordinates ultimately yields useful surface information without requiring excessive additional computation during either training or testing, in comparison with existing approaches. Our experiments show that taking advantage of these learned lifted coordinates yields better performance for estimating surface normals and generating surfaces than using point cloud reconstructions alone. Further, we find that this learned geodesic embedding space provides useful information for applications such as unsupervised object decomposition.
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Liang, Jie, Mingzhe Liu, Xunyang Wang, and Peiyu Wang. "Morphological Adjustments on Cable-Net Supporting the Reflector Panels of FAST Based on Rotation Axis Matrices and Geodesic Tracing Algorithm." Highlights in Science, Engineering and Technology 51 (May 16, 2023): 71–78. http://dx.doi.org/10.54097/hset.v51i.8240.

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The key of FAST active reflection panel cable-net adjustment technology is to regulate the reflection sphere to the working paraboloid. The principle is to realize the position change by stretching the pull-down cable's control node through the actuator. In this paper, based on the rotation axis transformation equation of the working paraboloid in the ground state, combined with the constraint conditions of actuator expansion, the geodesic tracing algorithm was used to map the geodesic nodes of the spatial cable-net quickly and efficiently. Through numerical verification of 2336 cable points from area A-E, the model quickly and stably adjusts the cable-net layout according to different star observation angles, so that the working face approaches to the standard paraboloid, and the optimal layout scheme of the cable-net displacement pulling of the active reflective surface of FAST can be obtained under any observation angle.
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Delarue, Arnaud, and Dominique Jeulin. "3D MORPHOLOGICAL ANALYSIS OF COMPOSITE MATERIALS WITH AGGREGATES OF SPHERICAL INCLUSIONS." Image Analysis & Stereology 22, no. 1 (2011): 153. http://dx.doi.org/10.5566/ias.v22.p153-161.

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Composite materials containing aggregates of spherical inclusions are studied from 3D images obtained by X-ray microtomography. Using two point statistics in different directions, and the empirical distribution of orientations of pairs of inclusions, interesting details concerning the anisotropy of the distribution of inclusions are obtained and are related to the method of construction for these materials. Some 3D morphological properties, available on the 3D images, give new information on the shape and the distribution of aggregates: tortuosity of shortest paths in the matrix, local volume fraction, geodesic distance function, local histograms of numbers of objects.
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Beucher, Serge. "GEODESIC RECONSTRUCTION, SADDLE ZONES & HIERARCHICAL SEGMENTATION." Image Analysis & Stereology 20, no. 3 (2011): 137. http://dx.doi.org/10.5566/ias.v20.p137-141.

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The morphological reconstruction based on geodesic operators, is a powerful tool in mathematical morphology. The general definition of this reconstruction supposes the use of a marker function f which is not necessarily related to the function g to be built. However, this paper deals with operations where the marker function is defined from given characteristic regions of the initial function f, as it is the case, for instance, for the extrema (maxima or minima) but also for the saddle zones. Firstly, we show that the intuitive definition of a saddle zone is not easy to handle, especially when digitised images are involved. However, some of these saddle zones (regional ones also called overflow zones) can be defined, this definition providing a simple algorithm to extract them. The second part of the paper is devoted to the use of these overflow zones as markers in image reconstruction. This reconstruction provides a new function which exhibits a new hierarchy of extrema. This hierarchy is equivalent to the hierarchy produced by the so-called waterfall algorithm. We explain why the waterfall algorithm can be achieved by performing a watershed transform of the function reconstructed by its initial watershed lines. Finally, some examples of use of this hierarchical segmentation are described.
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Book chapters on the topic "Geodesic morphological"

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Soille, Pierre. "Geodesic Transformations." In Morphological Image Analysis. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03939-7_6.

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Soille, Pierre. "Geodesic Metrics." In Morphological Image Analysis. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03939-7_7.

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Soille, Pierre. "Geodesic Transformations." In Morphological Image Analysis. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-05088-0_6.

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Soille, Pierre. "Geodesic Metrics." In Morphological Image Analysis. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-05088-0_7.

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Michikawa, Takashi, and Satoshi Wada. "Extended Morphological Closing Using Geodesic Filtering." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95588-9_76.

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Brigger, P., M. Kunt, and F. Meyer. "The Geodesic Morphological Skeleton and Fast Transformation Algorithms." In Computational Imaging and Vision. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1040-2_18.

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Dasgupta, Avijit, Sudipta Mukhopadhyay, Shrikant A. Mehre, and Parthasarathi Bhattacharyya. "Morphological Geodesic Active Contour Based Automatic Aorta Segmentation in Thoracic CT Images." In Advances in Intelligent Systems and Computing. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2107-7_17.

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Medeiros, Aldísio G., Lucas de O. Santos, Roger Moura Sarmento, Elizângela de Souza Rebouças, and Pedro P. Rebouças Filho. "New Adaptive Morphological Geodesic Active Contour Method for Segmentation of Hemorrhagic Stroke in Computed Tomography Image." In Intelligent Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61380-8_41.

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Symonds, Philip A., and Gregory F. Moore. "Characteristics of Continental Margins." In Continental Shelf Limits. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195117820.003.0008.

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Two major types of morphological features dominate the surface of the Earth—the continents and the oceans, the latter being by far the most significant in that they cover about 71% of the surface. These features are separated by the coastline, which is a transitory boundary. A much more fundamental subdivision of the Earth's surface is in terms of geological provinces composed of either continental or oceanic lithosphere (crust and uppermost mantle), each with their own characteristic lithological, geochemical, and physical properties. The continental margin is the zone separating the thin oceanic crust of the deep ocean basins from the thick continental crust. Continental margins underlie about 28% of the oceans, with the transition from continental to oceanic crust commonly occurring beneath the outer part of continental margins. Thus, a substantial proportion of continental crust (about 20%) lies beneath the oceans. The boundary between these crustal provinces marks the real physical outer edge of the prolongation of the continent beneath the ocean. It is this boundary that is commonly viewed as the absolute natural limit of a claim that a coastal state can make for sovereign rights to explore and exploit the natural resources of the deep seabed and subsoil. The geomorphological and geological characteristics of a continental margin are a function of its tectonic, magmatic, and sedimentary history. Continental margins can differ greatly in their dimensions and style depending on their age and their tectono-magmatic and depositional setting. Important province boundaries, such as the continent-ocean boundary (COB), are always difficult to define with any accuracy on a map because of their complexity and transitional nature. Given this, and the development of legal thought over the last 50 years on defining the various marine jurisdictional zones, it is little wonder that the definition of the outer limit of the seabed and subsoil resource regime on continental margins, the "legal" continental shelf, is a complex blend of legal, geomorphological, geological, and geodetic concepts that can be confusing even to experts in the individual fields.
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Conference papers on the topic "Geodesic morphological"

1

Youkana, Imane, Rachida Saouli, Jean Cousty, and Mohamed Akil. "Morphological operators on graph based on geodesic distance map." In 2015 International Conference on Computer Vision and Image Analysis Applications (ICCVIA). IEEE, 2015. http://dx.doi.org/10.1109/iccvia.2015.7351899.

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Jain, Sammit, Suvadip Mukherjee, Lydia Danglot, and Jean-Christophe Olivo-Marin. "Morphological Reconstruction of Detached Dendritic Spines via Geodesic Path Prediction." In 2021 IEEE 18th International Symposium on Biomedical Imaging (ISBI). IEEE, 2021. http://dx.doi.org/10.1109/isbi48211.2021.9433981.

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Burnashov, Evgenii, Evgenii Burnashov, Konstantin Karmanov, and Konstantin Karmanov. "COMPARATIVE ANALYSIS OF THE INFLUENCE OF NATURAL AND ANTHROPOGENIC FACTORS ON THE VISTULA SPIT FOREDUNE EROSION (THE BALTIC SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93da333dd5.38561507.

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The study gives quantitative estimation of natural landforms sensitivity of accumulative type coasts exposed to human influence. Foredune is an essential element of a morphological structure of thebarrier spits located at the Baltic Sea sand coasts. The study compares contribution of the beach erosion and deflation (soil drifting) to the foredune degradation on the sea shore of the barrier spit with or without the recreational impact. The analysis is performed for three typical polygons located on the Russian part of the Vistula Spit. Chosen polygons present shore segments with various intensity of tourism: visitors from the village, unregulated camp tourism, and nearly natural conditions. Detailed geodesic survey was carried out on these three polygons (length 515 m, 265 m, and 521 m respectively; total area – 125000 m2) in July of 2015. It was done with single-frequency geodesic GPS Trimble 5700L1 (base station) and TrimbleR3 (rover). Two DEMs were developed using the results of laser scanning of 2007 and the survey of 2015. Volume deformation for whole polygons and its particular parts (beach and foredune ridge) was made by comparison of the DEMs. In the case of touristic load the effect of deflation is 5-15 times higher than the marine erosion of foredune edge. If not affected by an anthropogenic factor the foredune erosion is caused mainly by the sea, and its impact is 6 times higher than that of the natural deflation.
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Burnashov, Evgenii, Evgenii Burnashov, Konstantin Karmanov, and Konstantin Karmanov. "COMPARATIVE ANALYSIS OF THE INFLUENCE OF NATURAL AND ANTHROPOGENIC FACTORS ON THE VISTULA SPIT FOREDUNE EROSION (THE BALTIC SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315ce62ab.

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The study gives quantitative estimation of natural landforms sensitivity of accumulative type coasts exposed to human influence. Foredune is an essential element of a morphological structure of thebarrier spits located at the Baltic Sea sand coasts. The study compares contribution of the beach erosion and deflation (soil drifting) to the foredune degradation on the sea shore of the barrier spit with or without the recreational impact. The analysis is performed for three typical polygons located on the Russian part of the Vistula Spit. Chosen polygons present shore segments with various intensity of tourism: visitors from the village, unregulated camp tourism, and nearly natural conditions. Detailed geodesic survey was carried out on these three polygons (length 515 m, 265 m, and 521 m respectively; total area – 125000 m2) in July of 2015. It was done with single-frequency geodesic GPS Trimble 5700L1 (base station) and TrimbleR3 (rover). Two DEMs were developed using the results of laser scanning of 2007 and the survey of 2015. Volume deformation for whole polygons and its particular parts (beach and foredune ridge) was made by comparison of the DEMs. In the case of touristic load the effect of deflation is 5-15 times higher than the marine erosion of foredune edge. If not affected by an anthropogenic factor the foredune erosion is caused mainly by the sea, and its impact is 6 times higher than that of the natural deflation.
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