Relevant bibliographies by topics / Morphometric analysis

Academic literature on the topic 'Morphometric analysis'

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Published: 4 June 2021
Last updated: 25 January 2023

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Journal articles on the topic "Morphometric analysis"

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Varshney, Anshika, and Dr Sudhakar Shukla. "Morphometric Analysis in Varuna River Basin: A Geoinformatics Based Analysis." International Journal for Research in Applied Science and Engineering Technology 10, no. 3 (March 31, 2022): 343–50. http://dx.doi.org/10.22214/ijraset.2022.40642.

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Abstract: Varuna River is an important tributary of river Ganga. For the present study River Varuna has been chosen for the morphometric analysis and the demarcation of the basinal area of the river has been automatically done through Geospatial tool known as Arc Hydro. The study regarding the morphometry of the river lets us infer about the basin geometry, network system of the drainage and more of the river basin characteristics. Calculations of the morphometry will give us the quantitative description of the drainage system, which is an important aspect of the basins. This will describe the shape, slope, elongation, drainage density and many more important values to further incorporate water management processes in the varuna river basin. GIS tools will help us achieving morphometric analysis. With the help of morphometric analysis we are able to gain knowledge regarding the basin geomorphology and its responses to various hydrological processes. Keywords: Morphometric Analysis, Varuna River Basin, Arc Hydro, DEM, GIS
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Tripathy, Subodh Kumar. "Significance of Traditional and Advanced Morphometry to Fishery Science." Journal of Human, Earth, and Future 1, no. 3 (September 1, 2020): 153–66. http://dx.doi.org/10.28991/hef-2020-01-03-05.

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Morphometric characters of fishes are measurable or metric characters. Morphometrics is a more or less interwoven set of large statistical procedures to analyze variability in the size and shape of organisms. Morphometrics and phylogenetics of a species are combined to utilize existing phylogeny which addresses hypotheses of shape change through evolutionary time. Morphometric differences among stocks of a species are recognized as important to evaluate population structure and form a basis to identify stocks. Advancements in morphometrics used powerful tools for testing and displaying differences in shape, isolated shape from size variation and identifying stocks of species with unique morphological characteristics enabling better management of the species. Traditional or standard morphometry has been improvised from time to time with advanced methods by technological advancements like geometric morphometrics, image analysis, principal component analysis, truss network analysis and multivariate analysis as well as many more to update knowledge and get more accurate information. These advanced methods have strengthened earlier technologies to improve upgrade fishery research throughout the globe. Doi: 10.28991/HEF-2020-01-03-05 Full Text: PDF
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B.G, Geetha rani, Varsha Mokhasi, and Tamsir Rong P. "MORPHOMETRIC ANALYSIS OF CRUCIATE LIGAMENTS." International Journal of Anatomy and Research 7, no. 4.3 (December 5, 2019): 7149–54. http://dx.doi.org/10.16965/ijar.2019.332.

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Corti, M., R. S. Thorpe, L. Sola, V. Sbordoni, and S. Cataudella. "Multivariate Morphometrics in Aquaculture: A Case Study of Six Stocks of the Common Carp (Cyprinus carpio) from Italy." Canadian Journal of Fisheries and Aquatic Sciences 45, no. 9 (September 1, 1988): 1548–54. http://dx.doi.org/10.1139/f88-183.

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Multivariate morphometry was used to investigate the distinctness and interrelationships of six stocks of the common carp (Cyprinus carpio). A "size" component was clearly identified by multiple group principal component analysis. Canonical variate analysis computed only on the "shape" components showed that the stocks were morphometrically distinct and that the phenetic relationships based on allozymic and morphometric data are highly congruent. We therefore suggest that multivariate morphometrics could represent an appropriate and convenient tool to detect variation between strains in carp culture.
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Suthar, Mr Vikas Pradeep. "Watershed Management of Purandar Taluka by Remote Sensing and GIS: A Review." International Journal for Research in Applied Science and Engineering Technology 10, no. 1 (January 31, 2022): 835–38. http://dx.doi.org/10.22214/ijraset.2022.39906.

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Abstract: Morphometric analysis by using RS and GIS has emerged as an effective technique for the investigation and management of the watershed. Morphometric analysis can solve various hydrological problems like flood, drought, soil erosion. In this analysis, linear, aerial, and relief aspects of the watershed are used. Toposheet of a survey of India (SOI), digital elevation model (DEM), software like ArcGIS, satellite data from IRS 1D LISS- 3 sensor are the key resources for measurement of various morphometric parameters. Keywords: Morphometric Analysis, GIS, Remote Sensing, RS, ArcGIS, Morphometry, Watershed Management, Purandar Taluka.
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Torres, Walter, and Kc Bierlich. "MorphoMetriX: a photogrammetric measurement GUI for morphometric analysis of megafauna." Journal of Open Source Software 5, no. 45 (January 16, 2020): 1825. http://dx.doi.org/10.21105/joss.01825.

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Ebisemiju, Fola S. "A morphometric approach to gully analysis." Zeitschrift für Geomorphologie 33, no. 3 (October 5, 1989): 307–22. http://dx.doi.org/10.1127/zfg/33/1989/307.

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Saul, Carlos, João Carlos Prolla, Vinicius D. da Silva, Cláudio R. Teixeira, and Artur A. Parada. "Morphometric digital measurement of the luminal opening area of colonic crypts (pits) can differentiate the adenomas from other colonic lesions." Arquivos de Gastroenterologia 46, no. 2 (June 2009): 107–10. http://dx.doi.org/10.1590/s0004-28032009000200006.

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CONTEXT: Differential diagnosis of hyperplastic vs adenomatous lesions is of crucial importance on the daily practice of colonoscopy. OBJECTIVES: This study aimed at quantifying digital morphometric characteristics of colonoscopic images obtained with magnification and chromoscopy of three different types of colonic lesions: hyperplastic, adenomas and carcinomas, and the normal mucosa surrounding the lesions. METHODS: A total of 2,177 consecutive colonoscopies were analyzed and 105 images were chosen for analysis, divided into 37 hyperplastic lesions, 42 adenomas and 26 carcinomas. Specific digital morphometry was used, to measure the diameter and area of the pits from hyperplastic lesions, adenomatous and carcinomatous lesions, always comparing them with the normal mucosa surrounding pits. RESULTS: Different morphometric measures were performed via image analysis software to measure the mean pit opening diameters and their respective area. The mean pit opening diameters and corresponding area measurements were statistically significant for all groups of lesions examined. CONCLUSIONS: The morphometric characteristics of colonoscopy images allowing the observer to compare differences between hyperplastic and adenomatous polyps and colorectal carcinoma lesions. Digital morphometric studies are feasible like the present study shows. This can help the colonoscopist in clinical decisions. A software with morphometric measures can apply and will permit the digital morphometric analysis. The data generated from the application of software, can provide valuable points in differentiation of various lesions, guiding the conduct clinical, already during the endoscopic procedure. Morphometric analysis is more an instance of decision to the colonoscopist and it has important value not for being subjective, but for being objective, since it generates digits of its measures. In these aspects, and among different characteristics, the measure of the area showed to be the most important measure in the differential aspect. Different lesions have different patterns of morphometric measures and theses patterns can be obtained from the study of the characteristics in databases. The endoscopic removal of adenomatous polyps (polypectomy), or a more detailed study of the neoplastic lesions for helping the decision if endoscopic removal (mucosectomy) or surgical resection, and a conservative position in hyperplastic lesions, are proceedings that morphometrics, with another parameters, can help to decide.
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Bondesan, A., M. Meneghel, and U. Sauro. "Morphometric analysis of dolines." International Journal of Speleology 21, no. 1/4 (January 1992): 1–55. http://dx.doi.org/10.5038/1827-806x.21.1.1.

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Smith, David K. "A morphometric analysis ofAllosaurus." Journal of Vertebrate Paleontology 18, no. 1 (April 10, 1998): 126–42. http://dx.doi.org/10.1080/02724634.1998.10011039.

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Dissertations / Theses on the topic "Morphometric analysis"

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Mapp, J. "Morphometric otolith analysis." Thesis, University of East Anglia, 2015. https://ueaeprints.uea.ac.uk/59388/.

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Fish otoliths have long played an important role in sustainable fisheries management. Stock assessment models currently used rely on species specific age profiles obtained from the seasonal patterns of growth marks that otoliths exhibit. We compare methods widely used in fisheries science (elliptical Fourier) with an industry standardised encoding method (MPEG7 - Curvature-Scale-Space) and with a recent addition to shape modelling techniques (time-series shapelets) to determine which performs best. An investigation is carried out into transform methods that retain size-information, and whether the boundary encoding method is impacted be otolith age, performing tests over three 2-class otolith datasets across six discrete and concurrent age groups. Impact of segmentation methods are assessed to determine whether automated or expert segmented methods of boundary extraction are more advantageous, and whether constructed classifiers can be used at different institutions. Tests show that neither time-series shaplets nor Curvature-Scale-Space methods offer any real advantage over Fourier transform methods given mixed age datasets. However, we show that size indices are most indicative of fisheries stock in younger single-age datasets, with shape holding more discriminatory potential in older samples. Whilst commonly used Fourier transform methods generally return best results; we show that classification of otolith boundaries is impacted by the method of boundary segmentation. Hand traced boundaries produce classifiers more robust to test data segmentation methods and are more suited to distributed classifiers. Additionally we present a proof of concept study showing that high energy synchrotron scans are a new, non-invasive method of modelling internal otolith structure, allowing comparison of slices along near infinite numbers of virtual complex planes.
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Kim, Jieun. "Automatic morphometric analysis of neural cells." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251678.

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González, Ballester Miguel Ángel. "Morphometric analysis of brain structures in MRI." Thesis, University of Oxford, 1999. http://ora.ox.ac.uk/objects/uuid:9b70d5d7-5a38-454c-b545-696b726092b8.

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Medical computer vision is a novel research discipline based on the application of computer vision methods to data sets acquired via medical imaging techniques. This work focuses on magnetic resonance imaging (MRI) data sets, particularly in studies of schizophrenia and multiple sclerosis. Research on these diseases is challenged by the lack of appropriate morphometric tools to accurately quantify lesion growth, assess the effectiveness of a drug treatment, or investigate anatomical information believed to be evidence of schizophrenia. Thus, most hypotheses involving these conditions remain unproven. This thesis contributes towards the development of such morphometric techniques. A framework combining several tools is established, allowing for compensation of bias fields, boundary detection by modelling partial volume effects (PVE), and a combined statistical and geometrical segmentation method. Most importantly, it also allows for the computation of confidence bounds in the location of the object being segmented by bounding PVE voxels. Bounds obtained in such fashion encompass a significant percentage of the volume of the object (typically 20-60%). A statistical model of the intensities contained in PVE voxels is used to provide insight into the contents of PVE voxels and further narrow confidence bounds. This not only permits a reduction by an order of magnitude in the width of the confidence intervals, but also establishes a statistical mechanism to obtain probability distributions on shape descriptors (e.g. volume), instead of just a raw magnitude or a set of confidence bounds. A challenging clinical study is performed using these tools: to investigate differences in asymmetry of the temporal horns in schizophrenia. This study is of high clinical relevance. The results show that our tools are sufficiently accurate for studies of this kind, thus providing clinicians, for the first time, with the means to corroborate unproven hypotheses or reliably assess patient evolution.
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Dangata, Yohanna Yanshiyi. "Morphometric analysis of the mammalian optic nerve." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/21185.

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Studies were carried out on the optic nerve of a variety of inbred strains and their F1 hybrids. The postnatal development of a variety of different age groups was also analysed to provide baseline data as part of a study to determine the teratogenic effect of prenatal exposure to alcohol on the postnatal development of the optic nerve in this species. Furthermore, the optic nerve from adult Small eye (Sey) mice was analysed to determine the effects of the Sey gene mutation on the optic nerve of the mouse. Parameters analysed were mean cross-sectional area (csa), mean myelinated nerve fibre count, mean myelinated nerve fibre density and myelinated nerve fibre spectrum. Intra-strain and inter-strain comparisons of these parameters were carried out. Developmental events such as the onset and progression of myelinogenesis were also examined. The findings indicated that there was neither a significant difference in any of the parameters studied between the left and the right optic nerves nor evidence of sexual dimorphism within any of the strains studied, although, a significant degree of inter-strain variation was noted. As has previously been reported, the mouse is similar to other rodents and most primates in that the nerve fibres in the adult optic nerve are all myelinated. These fibres are unimodally distributed (i.e. having only one peak) along the nerve fibre diameter spectrum, which is also positively skewed (i.e. skewing is to the right in favour of the large diameter fibres). However, in the mouse, the mean myelinated nerve fibre count is lower than that reported in all primates so far studied, and the spectrum of distribution of the nerve fibres is narrower. During postnatal development, the optic nerve in the mouse grows rapidly during the early part of the juvenile period (first three postnatal weeks).
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Walker, Andrew Curtis. "A morphometric analysis of the geomorphology of Florida's springs." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001679.

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Al, Shahrani Ibrahim Sulaiman A. "3D geometric morphometric analysis of tooth shape in hypodontia." Thesis, University of Newcastle Upon Tyne, 2012. http://hdl.handle.net/10443/1464.

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Assessment of tooth morphology is essential in the diagnosis and management of hypodontia patients. Several techniques have been used to quantify tooth shape in hypodontia patients and these have revealed smaller tooth dimensions and anomalous tooth shapes in these patients when compared with controls. However, previous studies have mainly used 2D images and have thus provided limited information. The present study adopted a novel three-dimensional geometric morphometric technique to quantify the crown morphology and sizes of teeth of hypodontia patients and compare them with those of control patients. Allometric variations were also investigated in order to determine whether there was any association between the size and shape of teeth. Landmarks were recorded on each clinical crown of all the permanent teeth, apart from third molars, of 3D scanned study models of hypodontia and control subjects. The study sample comprised 120 hypodontia patients (40 patients with mild, 40 with moderate and 40 with severe hypodontia) and 40 age- and sex-matched controls. Procrustes superimposition was utilized to scale and superimpose the landmark coordinate data and were then subjected to principal component analysis (PCA). Subsequently, shape differences were tested statistically using multivariate statistics. Size variation was for the most part found to be significant, especially when the control subjects were compared to the hypodontia groups. The anterior teeth were more affected than the posterior. Generally speaking, the size differences became greater as the severity of the hypodontia increased. The pattern was virtually the same for both sexes. With regard to shape, most teeth were affected by the hypodontia, although the pattern was less clear. When allometry was taken into account, the pattern of size/shape relationship was found to be significant for most teeth, particularly in the anterior region, and shape differences were still significant after controlling, when possible, for allometry. It was found that the degree of variation in tooth shape was associated with the degree of severity of the hypodontia. The findings of the study therefore indicate that quantitative measurement of the tooth shape in hypodontia patients may enhance the multidisciplinary management of those patients.
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Savriama, Yoland. "Geometric morphometric methods for analysis of complex symmetric structures." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491861.

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Bilateral symmetry is the simplest and most common type of symmetry in organisms and for this reason it has been extensively studied in many biological contexts. Geometric morphometrics is concerned with the quantification of morphological variation in organisms and has been specifically developed for studies of symmetry and asymmetry. Most studies of symmetry have focused on bilaterally symmetric structures (e.g., human faces). However, bilateral symmetry is not the only type of symmetry in biological shapes and other types of symmetry exist as well (e.g., radial symmetry in flowers). So far, there are no general methods for morphological analysis of these types of symmetry. Here, I propose a new and general approach for norphological analysis of structures with any type of symmetry. This framework combines the tools of geometric morphometries with a mathematical definition of symmetry. Depending on the type of symmetry under study, this method can separate a component of symmetric variation among individuals from one or more asymmetry components.
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Gause, Austin R. J., Lance D. Jessee, and Blaine W. Schubert. "Geometric Morphometric Analysis of Intervertebral Variation in Colubrid Snakes." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/asrf/2019/schedule/199.

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Snake vertebrae are common throughout the Cenozoic fossil record, but identification of isolated vertebrae often proves difficult due to inter- and intra-columnar variability. Most fossil identifications are based on comparisons with disarticulated modern specimens, with a focus on mid-trunk vertebrae. One focus of this study was to determine the necessity of identifying a true mid-trunk vertebra prior to identification and to develop a method of locating the columnar position of an isolated vertebra for both modern and fossil identifications. Colubrid genera Farancia and Heterodon were chosen for the analysis because they share distinct morphological similarities, articulated modern specimens were available, and fossil species in these genera need to be reassessed. Every third pre-cloacal vertebra was selected from each specimen to undergo geometric morphometric analysis on its anterior face. Relative warp analyses detailed the inter-columnar variation of each specimen and found that the only significant difference in the column was between the anterior most vertebrae, which are already identifiable, and the remainder of the pre-cloacal vertebrae. Despite concern, the convention of using mid-trunk vertebrae for identification may prove accurate for these genera. Due to Farancia and Heterodon’s vertebral similarities, a discriminant function analysis was utilized to distinguish the two genera from one another. To evaluate this method’s utility in paleontology, vertebrae of two extinct species, Heterodon brevis and Paleofarancia brevispinosus, will undergo identical morphometric and discriminant analyses. This study also emphasizes the need for more modern snake skeletons in collections and the necessity of stringing the vertebral column prior to disarticulation.
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Jackson, Illiam. "Morphometric analysis of Cambrian fossils and its evolutionary significance." Doctoral thesis, Uppsala universitet, Paleobiologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-319487.

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The Extended Evolutionary Synthesis (EES) is currently emerging as a theoretical alternative to the Modern Synthesis (MS) in which to frame evolutionary observations and interpretations. These alternative frameworks differ fundamentally in their understanding of the relative roles of the genotype, phenotype, development and environment in evolutionary processes and patterns. While the MS represents a gene-centred view of evolution, the EES instead emphasizes the interactions between organism, development and environment. This novel theoretical framework has generated a number of evolutionary predictions that are mutually incompatible with the equivalent of the MS. While research and empirical testing has begun on a number of these in a neontological context, the field of palaeontology has yet to contribute meaningfully to this endeavour. One of the reasons for this is a lack of methodological approaches capable of investigating relevant evolutionary patterns in the fossil record. In this thesis morphometric methods capable of providing relevant data are developed and employed in the analysis of Cambrian fossils. Results of these analyses provide empirical support for the process of evolution through phenotypic plasticity and genetic assimilation hypothesized by the EES. Furthermore, theoretical revision to the species concept in a palaeontological context is suggested. Finally, predictions of the EES specific to the fossil record are made explicit and promising directions of future research are outlined.
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Egger, Bernhard. "A morphometric analysis of experimental cirrhosis in rat liver /." [S.l : s.n.], 1986. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Books on the topic "Morphometric analysis"

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Bennett, Matthew. The cwms of Snowdonia: A morphometric analysis. London: Dept. of Geography, Queen Mary and Westfield College, 1990.

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Bookstein, Fred L. Morphometric Tools for Landmark Data: Geometry and Biology. Cambridge: Cambridge University Press, 1992.

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Bookstein, Fred L. Morphometric tools for landmark data: Geometry and biology. Cambridge [England]: Cambridge University Press, 1991.

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Alexander, Lois F. A morphometric analysis of geographic variation within Sorex monticolus (Insectivora:Soricidae). Lawrence, Kan: Natural History Museum, University of Kansas, 1996.

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A morphometric analysis of geographic variation within Sorex monticolus (Insectivora:Soricidae). Lawrence, Kan: Natural History Museum, University of Kansas, 1996.

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A morphometric investigation into the origin(s) of anatomically modern humans. Oxford: John and Erica Hedges, 2003.

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Boyd, Jennifer Lorraine Roberta. Morphometric analysis as an aid in distinguishing Cervical Intraepithelial Neoplasia Grade III from Invasive Carcinoma. [S.l: The Author], 1992.

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Poole, Robert W. A revision and cladistic analysis of the Heliothis virescens species-group (Lepidoptera: Noctuidae) with a preliminary morphometric analysis of Heliothis virescens. Mississippi State, MS: Dept. of Information Services, Division of Agriculture, Forestry and Veterinary Medicine, Mississippi State University, 1993.

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Carraway, Leslie N. A morphologic and morphometric analysis of the "Sorex vagrans species complex" in the Pacific Coast region. Lubbock, Tex: Texas Tech University Press, 1990.

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Proebstel, Don S. Taxonomic status of cutthroat trout, Rio Grande suckers, and Arkansas darters: Determined through morphometric, meristic, and mitochondrial DNA analysis. [Colorado?: s.n., 1996.

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Book chapters on the topic "Morphometric analysis"

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Huppertz, Hans-Jürgen. "Morphometric MRI Analysis." In MRI in Epilepsy, 73–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/174_2012_564.

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Ruttner, Friedrich. "Morphometric Analysis and Classification." In Biogeography and Taxonomy of Honeybees, 66–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72649-1_6.

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Brock, John C., and Monica Palaseanu-Lovejoy. "Patch Reefs: Lidar Morphometric Analysis." In Encyclopedia of Modern Coral Reefs, 785–89. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-2639-2_240.

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Pinoli, Jean-Charles. "The Morphometric Geometric Framework." In Mathematical Foundations of Image Processing and Analysis 2, 189–210. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118984574.ch34.

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García-Pérez, Alfonso. "Robust Morphometric Analysis Based on Landmarks." In Studies in Systems, Decision and Control, 165–74. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73848-2_16.

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Egginton, S. "Morphometric Analysis of Tissue Capillary Supply." In Vertebrate Gas Exchange, 73–141. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75380-0_4.

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Egginton, S., Z. Turek, and L. Hoofd. "Morphometric Analysis of Sparse Capillary Networks." In Oxygen Transport to Tissue IX, 1–12. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-7433-6_1.

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Canudo, José I., and Gloria Cuenca-Bescós. "Morphometric approach to Titanosauriformes (Sauropoda, Dinosauria) femora: Implications to the paleobiogeographic analysis." In Morphometrics, 143–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08865-4_11.

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Harvati, Katerina. "3-D geometric morphometric analysis of temporal bone landmarks in Neanderthals and modern humans." In Morphometrics, 245–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08865-4_17.

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Gubányi, András. "Morphometric Analysis of Microscopic Hooks of Taeniid Tapeworms (Cestoda, Taeniidae)." In Advances in Morphometrics, 503–10. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9083-2_43.

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Conference papers on the topic "Morphometric analysis"

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Li, Bingjue, Andrew P. Murray, David H. Myszka, and Gérard Subsol. "Synthesizing Planar Rigid-Body Chains for Morphometric Applications." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59412.

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Morphometrics is a quantitative analysis to compare a set of geometric representations of forms, including shape and size. Analysis of shape variation is useful in systematics, evolutionary biology, biostratigraphy, and developmental biology. Distinguished by the data being analyzed, three forms of morphometrics are commonly recognized. Traditional morphometrics measures the lengths, ratios, angles, etc., of patterns of shape variations. Outline-based morphometrics analyzes the outlines of forms using open or closed curves. Landmark-based geometric morphometrics summarizes shapes in terms of the coordinates of anatomical landmarks. The three morphometric methods are able to capture the variation of forms exactly, but require analyzing numerous variables. As an alternative approach to morphometrics, this paper presents a kinematic synthesis methodology of planar rigid-body chains. This methodology approximates the set of profile curves that represent a series of shapes with a single chain comprised of rigid-body links connected by revolute or prismatic joints. The primary advantage of the presented approach is that a modest number of physical parameters describes the shape and size change between a set of curves. Three morphometric problems are investigated by applying the methodology of synthesizing planar rigid-body chains to match the prescribed shapes. The result validates that the presented methodology might be used as an alternative approach to the analysis of morphological forms.
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Trost, R. C., R. A. Ambros, and S. J. Robboy. "Statistical methods for morphometric analysis." In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1988. http://dx.doi.org/10.1109/iembs.1988.94524.

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Oliveira, Pablo Mariz de, Amanda do Nascimento Oliveira e. Carneiro, Fábio Antônio Serra de Lima Júnior, Daniel Dantas da Silva, Leticia Leite Cavalcante, Desiré Dominique Diniz de Magalhães, and André de Braga Sá de Oliveira. "Morphometric analysis of the sella turcica in Northeastern Brazil." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.509.

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Introduction: The sella turcica is a structure of the median region of the sphenoid bone. Variations in its morphology are relevant as it is a region subjected to several surgical procedures, mainly related to the pituitary gland. Objective: To analyze the morphology of the sella turcica and its sexual dimorphism in Northeastern Brazil. Methods: Fifteen human skulls from the Federal University of Paraíba (UFPB) were used. The qualitative analysis was performed by classifying the shape of the sella turcica into three types: U, J and flattened. Morphometric data was collected and statistically analyzed to evaluate the relationship between sella morphometry and gender, and between sella and skull measurements. Values of p< 0.05) in the sella turcica length (STL) and skull length (SL), with male skulls being larger in both cases. The other linear measurements didn’t show differences between the sexes (p>0.05). There was a positive linear correlation between STL and SL, and a negative linear correlation between sella turcica width (STW) and sella turcica height (STH) and between STH and bitemporal width (BTW). Conclusion: The results point to important differences in the morphometric parameters evaluated with original findings for this population. Knowledge of the morphology of the sella is essential to plan safer surgical approaches in the pituitary gland or related anatomical structures.
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Melis, M. T., M. T. Brunetti, C. Collu, V. Demurtas, S. Fiorucci, S. Podda, M. Scaioni, and A. Zinzi. "Morphometric Analysis of Lunar Sinuous Rilles." In IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8900143.

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Gąsiorowski, Jędrzej, and Elżbieta Bielecka. "Land fragmentation analysis using morphometric parameters." In The 9th International Conference "Environmental Engineering 2014". Vilnius, Lithuania: Vilnius Gediminas Technical University Press “Technika” 2014, 2014. http://dx.doi.org/10.3846/enviro.2014.205.

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Ozic, Muhammet Usame, Seral Ozsen, and Ahmet Hakan Ekmekci. "Voxel based morphometric analysis on MR images." In 2017 International Artificial Intelligence and Data Processing Symposium (IDAP). IEEE, 2017. http://dx.doi.org/10.1109/idap.2017.8090200.

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Zolotarev, Denis. "MORPHOMETRIC ANALYSIS OF RELIEF IN KARST AIMS." In 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b12/s2.080.

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Ragheb, Hossein, and Neil Thacker. "Morphometric Shape Analysis with Measurement Covariance Estimates." In British Machine Vision Conference 2011. British Machine Vision Association, 2011. http://dx.doi.org/10.5244/c.25.131.

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Tennakoon, Shamindri, Roger W. Portell, Roger W. Portell, Roger W. Portell, Michał Kowalewski, Michał Kowalewski, Michał Kowalewski, et al. "MORPHOMETRIC ANALYSIS OF CENOZOIC CASSIDS (MOLLUSCA: GASTROPODA)." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323424.

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Fuhrmann, T., J. Pletzer, and A. Uhl. "Computer assisted morphometric analysis of TEM images." In IET 3rd International Conference MEDSIP 2006. Advances in Medical, Signal and Information Processing. IEE, 2006. http://dx.doi.org/10.1049/cp:20060362.

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Reports on the topic "Morphometric analysis"

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Allen, Tom, Luca Taraborelli, and Robyn Grant. Morphometric Analysis to Determine How the Shape of Tennis Rackets has Developed. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317470.

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Norton, William N. Acute Exposure of Medaka to Carcinogens: An Ultrastructural, Cytochemical and Morphometric Analysis of Liver and Kidney. Fort Belvoir, VA: Defense Technical Information Center, February 1991. http://dx.doi.org/10.21236/ada242950.

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Baker, William H., David R. Mattie, and Kathleen L. MacMahon. Effects of Ammonium Perchlorate Exposure in Pregnant Rats: A Morphometric Analysis of the Thyroid Gland of Rat Pups. Fort Belvoir, VA: Defense Technical Information Center, December 1998. http://dx.doi.org/10.21236/ada453097.

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Tsybekmitova, G. Ts, L. D. Radnaeva, N. A. Tashlykova, V. G. Shiretorova, A. K. Tulokhonov, B. B. Bazarova, and M. O. Matveeva. THE EFFECT OF CLIMATIC SHIFTS ON BIODIVERSITY OF PHYTOCENOSIS: LAKE ARAKHLEY (EASTERN SIBERIA, RUSSIA). DOICODE, 2020. http://dx.doi.org/10.18411/0973-7308-2020-35-3-77-90.

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Lake Arakhley is located within the Lake Baikal basin in Eastern Siberia, Russia. The area is characterized by continental subarctic climate with considerate diurnal temperature range, long cold dry winters and short hot summers with more precipitation occurring during the latter half of the summer. Climatic shifts in high water years and low water years result in morphometric changes in the lake and in the chemical and physical parameters of the ecosystem. During low water years, concentrations of ammonium nitrogen and nitrite nitrogen are decreased, whereas nitrate concentration increases. High water years feature average concentrations of ammonium ions 1.5–2 times higher than the values of recent dry years. Redundancy analysis (RDA) of abiotic factors and biotic community indicated that the community structure shows the greatest correlation with physical and chemical parameters of water and biogenic elements (nitrites, ammonium, phosphates) along the first axis, and with the lake depth and transparency along the second axis. Changes in abiotic factors induce functioning and formation of characteristic communities of the primary producers in the trophic structure of the ecosystem. During low water years, with increased level of autochthonous organic matter, Lindavia comta dominance is observed, while during high water years, with increased allochthonous organic matter Asterionella formosa appeared as dominant. Currently, during low water years, the hydrophytes community is monodominant and composed of Ceratophyllum demersum. Meanwhile, such species indicating eutrophic conditions as Myriophyllum sibiricum, Potamogeton pectinatus are found in the lake vegetation.
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Collins, Charles M. Morphometric Analyses of Recent Channel Changes on the Aanana River in the Vicinity of Fairbanks, Alaska. Fort Belvoir, VA: Defense Technical Information Center, June 1990. http://dx.doi.org/10.21236/ada229511.

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